vue 使用TradingView制作K线图(模仿火币)详解

蔚落 2023-02-21 02:28 25阅读 0赞

**前言：**  
项目需求要写K线图，echarts图表实现不了里面的功能，所以要用到TradingView，这个真心让人头疼，百度的东西也很少，花了很久才实现出来了。  
**效果图：**  
k线是实时更新的，可以正常根据数据跳动  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center]

### index.html 引入js和css文件 ###

我这里是vue-cli4 ，vue-cli4和vue-cli2文件夹不一样  
如果你是vue-cli4 里面的css和js 记得放在public文件夹里面 ，vue-cli2的话就是正常使用  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70]

### 创建容器 ###

先建立一个div，用来保存k线图 （样式根据自己项目修改）

**父组件截图**

引入组件 并将需要的参数传给子组件

![在这里插入图片描述][20210708174349720.png_pic_left]

> 剩下的都是子组件

**props希望父组件穿的值**

props: { 
        symbol: { 
          type: String,
          required: true,
          default: "BTC/USDT", //币种类型
        },
        currency_id: { 
          type: Number,
          required: true,  //id
        },
      },

**监听父组件传过来的类型**

watch: { 
        listenState: function (a, b) { 
          //监听交易对
          if (a != b && b != "") { 
            this.widget.setSymbol(
              a,
              localStorage.getItem("tim"),
              function onReadyCallback() { }
            ); //切换币种
          }
        },
        symbol: { 
          handler(n) { 
          // 这个地方是socket的用法 不会的请看socket那篇文章
            this.$socket.on("reconnect");
          },
          deep: true, // 深度监听父组件传过来对象变化
          immediate: true,
        },
      },

**data() 里面的数据**

widget: null, //创建的实例
          symbolInfo: null, //信息
          priceScale: 100000, //价格精度
          aa: null,
          time1: null,

**创建 createWidget（） 函数**

createWidget() { 
          let _this = this;
          this.$nextTick(function () { 
            let widget = (_this.widget = new TradingView.widget({ 
              symbol: _this.symbol,
              interval: 1,
              debug: false,
              fullscreen: false,
              autosize: true,
              container_id: "tv_chart_container",
              datafeed: _this.createFeed(),
              library_path: "static/tradeview/charting_library/",
              custom_css_url: "bundles/new.css",
              locale: "zh",
              width: "100%",
              allow_symbol_change: true,
              drawings_access: { 
                type: "black",
                // tools: [{name: "Regression Trend"}]//todo: moje
                tools: [
                  {  name: "Trend Line", grayed: true },
                  {  name: "Trend Angle", grayed: true },
                ], //todo: bb
              },
              disabled_features: [
                // 禁用的功能
                "left_toolbar", //左侧菜单栏
                "widget_logo", //底部logo
                "header_saveload", //头部保存功能
                "compare_symbol",
                "display_market_status",
                "go_to_date",
                "header_chart_type", //头部类型 下面有自定义
                "header_compare",
                "header_interval_dialog_button",
                "header_resolutions",
                "header_screenshot", //图片上传
                "header_symbol_search",
                "header_undo_redo",
                // "legend_context_menu", //显示币种名称
                "show_hide_button_in_legend",
                "show_interval_dialog_on_key_press",
                // "symbol_info",
                "timeframes_toolbar", //底部时间信息
                "use_localstorage_for_settings",
                "volume_force_overlay",
              ],
              enabled_features: [
                // 启用的功能（备注：disable_resolution_rebuild 功能用于控制当时间范围为1个月时，日期刻度是否都是每个月1号
                "dont_show_boolean_study_arguments",
                "use_localstorage_for_settings",
                "remove_library_container_border",
                "save_chart_properties_to_local_storage",
                "side_toolbar_in_fullscreen_mode",
                "hide_last_na_study_output",
                "constraint_dialogs_movement",
                "legend_widget",
              ],
              charts_storage_url: "http://saveload.tradingview.com",
              charts_storage_api_version: "1.1",
              toolbar_bg: "transparent",
              timezone: "Asia/Shanghai",
              studies_overrides: { 
                "volume.precision": "1000",
              },
              overrides: _this.overrides(),
            }));
    
            widget.MAStudies = [];
            widget.selectedIntervalButton = null;
            widget.onChartReady(function () { 
              let buttonArr = [
                { 
                  value: "5",
                  period: "5min",
                  text: "5分",
                  chartType: 1,
                  type: "5min",
                },
                { 
                  value: "15",
                  period: "15min",
                  text: "15分",
                  chartType: 1,
                  type: "15min",
                },
                { 
                  value: "30",
                  period: "30min",
                  text: "30分",
                  chartType: 1,
                  type: "30min",
                },
                { 
                  value: "60",
                  period: "60min",
                  text: "60分",
                  chartType: 1,
                  type: "60min",
                },
                { 
                  value: "1D",
                  period: "1D",
                  text: "1天",
                  chartType: 1,
                  type: "1day",
                },
                { 
                  value: "1W",
                  period: "1W",
                  text: "1周",
                  chartType: 1,
                  type: "1week",
                },
                { 
                  value: "1M",
                  period: "1mon",
                  text: "1月",
                  chartType: 1,
                  type: "1mon",
                },
              ];
              let btn = { };
              let nowTime = "";
    
              buttonArr.forEach((v, i) => { 
                let button = widget.createButton();
                button.attr("title", v.text).addClass("my2").text(v.text);
                if (v.text === "5分") { 
                  button.css({ 
                    color: "#5786d2",
                    "border-bottom": "1px solid #5786d2",
                  });
                  localStorage.setItem("tim", "5");
                }
                btn = button.on("click", function (e) { 
                  $(this).parents(".left").children().find(".my2").removeAttr("style");
                  handleClick(e, v.value, v.type);
                  button.css({ 
                    color: "#5786d2",
                    "border-bottom": "1px solid #5786d2",
                  });
                  _this.$store.commit("upType", v.type);
                  widget.chart().setChartType(v.chartType); //改变K线类型
                });
              });
              let handleClick = (e, value, type) => { 
                _this.setSymbol = function (symbol, value) { 
                  gh.chart().setSymbol(symbol, value);
                };
                widget.chart().setResolution(value, function onReadyCallback() { }); //改变分辨率
                $(e.target)
                  .addClass("mydate")
                  .closest("div.space-single")
                  .siblings("div.space-single")
                  .find("div.button")
                  .removeClass("mydate");
              };
            });
    
            _this.widget = widget;
          });
        },

> createWidget（） 函数 里面的注意事项

**1.** 如果你是vue-cli4 的话 **library\_path** 和 **custom\_css\_url** 的路径必须要和我的一样，如果用相对路径会报错，vue-cli2的话就是正常使用

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 1]  
**2.** 禁用的功能和启用的功能的选择 代码中用到的是一部分功能 根据我的备注 可自行删减 没有的可去文档中寻找

> TradingView 中文开发文档 （功能集地址）  
> https://aitrade.ga/books/tradingview/book/Featuresets.htm

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 2]

**3.** 自定义导航栏周期

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 3]  
设置默认时间样式以及切换  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_left]  
**创建 createFeed（） 函数**

createFeed() { 
          let this_vue = this;
          let Datafeed = { };
    
          Datafeed.DataPulseUpdater = function (datafeed, updateFrequency) { 
            this._datafeed = datafeed;
            this._subscribers = { };
    
            this._requestsPending = 0;
            var that = this;
    
            var update = function () { 
              if (that._requestsPending > 0) { 
                return;
              }
    
              for (var listenerGUID in that._subscribers) { 
                var subscriptionRecord = that._subscribers[listenerGUID];
                var resolution = subscriptionRecord.resolution;
    
                var datesRangeRight = parseInt(new Date().valueOf() / 1000);
    
                // BEWARE: please note we really need 2 bars, not the only last one
                // see the explanation below. `10` is the `large enough` value to work around holidays
                var datesRangeLeft =
                  datesRangeRight - that.periodLengthSeconds(resolution, 10);
    
                that._requestsPending++;
    
                (function (_subscriptionRecord) { 
                  // eslint-disable-line
                  that._datafeed.getBars(
                    _subscriptionRecord.symbolInfo,
                    resolution,
                    datesRangeLeft,
                    datesRangeRight,
                    function (bars) { 
                      that._requestsPending--;
    
                      // means the subscription was cancelled while waiting for data
                      if (!that._subscribers.hasOwnProperty(listenerGUID)) { 
                        return;
                      }
    
                      if (bars.length === 0) { 
                        return;
                      }
    
                      var lastBar = bars[bars.length - 1];
                      if (
                        !isNaN(_subscriptionRecord.lastBarTime) &&
                        lastBar.time < _subscriptionRecord.lastBarTime
                      ) { 
                        return;
                      }
    
                      var subscribers = _subscriptionRecord.listeners;
    
                      // BEWARE: this one isn't working when first update comes and this update makes a new bar. In this case
                      // _subscriptionRecord.lastBarTime = NaN
                      var isNewBar =
                        !isNaN(_subscriptionRecord.lastBarTime) &&
                        lastBar.time > _subscriptionRecord.lastBarTime;
    
                      // Pulse updating may miss some trades data (ie, if pulse period = 10 secods and new bar is started 5 seconds later after the last update, the
                      // old bar's last 5 seconds trades will be lost). Thus, at fist we should broadcast old bar updates when it's ready.
                      if (isNewBar) { 
                        if (bars.length < 2) { 
                          throw new Error(
                            "Not enough bars in history for proper pulse update. Need at least 2."
                          );
                        }
    
                        var previousBar = bars[bars.length - 2];
                        for (var i = 0; i < subscribers.length; ++i) { 
                          subscribers[i](previousBar);
                        }
                      }
    
                      _subscriptionRecord.lastBarTime = lastBar.time;
    
                      for (var i = 0; i < subscribers.length; ++i) { 
                        subscribers[i](lastBar);
                      }
                    },
    
                    // on error
                    function () { 
                      that._requestsPending--;
                    }
                  );
                })(subscriptionRecord);
              }
            };
    
            if (typeof updateFrequency != "undefined" && updateFrequency > 0) { 
              setInterval(update, updateFrequency);
            }
          };
    
          Datafeed.DataPulseUpdater.prototype.periodLengthSeconds = function (
            resolution, requiredPeriodsCount
          ) { 
            var daysCount = 0;
            if (resolution === "D") { 
              daysCount = requiredPeriodsCount;
            } else if (resolution === "M") { 
              daysCount = 31 * requiredPeriodsCount;
            } else if (resolution === "W") { 
              daysCount = 7 * requiredPeriodsCount;
            } else { 
              daysCount = (requiredPeriodsCount * resolution) / (24 * 60);
            }
    
            return daysCount * 24 * 60 * 60;
          };
    
          Datafeed.DataPulseUpdater.prototype.subscribeDataListener = function (
            symbolInfo, resolution, newDataCallback, listenerGUID
          ) { 
            this._datafeed._logMessage("Subscribing " + listenerGUID);
    
            if (!this._subscribers.hasOwnProperty(listenerGUID)) { 
              this._subscribers[listenerGUID] = { 
                symbolInfo: symbolInfo,
                resolution: resolution,
                lastBarTime: NaN,
                listeners: [],
              };
            }
    
            this._subscribers[listenerGUID].listeners.push(newDataCallback);
          };
    
          Datafeed.DataPulseUpdater.prototype.unsubscribeDataListener = function (
            listenerGUID
          ) { 
            this._datafeed._logMessage("Unsubscribing " + listenerGUID);
            delete this._subscribers[listenerGUID];
          };
    
          Datafeed.Container = function (updateFrequency) { 
            this._configuration = { 
              supports_search: false,
              supports_group_request: false,
              supported_resolutions: ["5", "15", "30", "60", "1D", "1W", "1M"],
              supports_marks: true,
              supports_timescale_marks: true,
              exchanges: ["gh"],
            };
    
            this._barsPulseUpdater = new Datafeed.DataPulseUpdater(
              this,
              updateFrequency || 10 * 1000
            );
            // this._quotesPulseUpdater = new Datafeed.QuotesPulseUpdater(this);
    
            this._enableLogging = true;
            this._callbacks = { };
    
            this._initializationFinished = true;
            this._fireEvent("initialized");
            this._fireEvent("configuration_ready");
          };
    
          Datafeed.Container.prototype._fireEvent = function (event, argument) { 
            if (this._callbacks.hasOwnProperty(event)) { 
              var callbacksChain = this._callbacks[event];
              for (var i = 0; i < callbacksChain.length; ++i) { 
                callbacksChain[i](argument);
              }
    
              this._callbacks[event] = [];
            }
          };
    
          Datafeed.Container.prototype._logMessage = function (message) { 
            if (this._enableLogging) { 
              var now = new Date();
            }
          };
    
          Datafeed.Container.prototype.on = function (event, callback) { 
            if (!this._callbacks.hasOwnProperty(event)) { 
              this._callbacks[event] = [];
            }
    
            this._callbacks[event].push(callback);
            return this;
          };
    
          Datafeed.Container.prototype.onReady = function (callback) { 
            let that = this;
            if (that._configuration) { 
              setTimeout(function () { 
                callback(that._configuration);
              }, 0);
            } else { 
              this.on("configuration_ready", function () { 
                callback(that._configuration);
              });
            }
          };
    
          Datafeed.Container.prototype.resolveSymbol = function (
            symbolName, onSymbolResolvedCallback, onResolveErrorCallback
          ) { 
            this._logMessage("GOWNO :: resolve symbol " + symbolName);
            Promise.resolve().then(() => { 
              onSymbolResolvedCallback({ 
                name: this_vue.symbol,
                timezone: "Asia/Shanghai",
                pricescale: this_vue.priceScale,
                minmov: 1, //minmov(最小波动), pricescale(价格精度), minmove2, fractional(分数)
                minmov2: 0, //这是一个神奇的数字来格式化复杂情况下的价格。
                ticker: this_vue.symbol,
                description: "",
                type: "bitcoin",
                volume_precision: 8,
                // "exchange-traded": "sdt",
                // "exchange-listed": "sdt",
                //现在，这两个字段都为某个交易所的略称。将被显示在图表的图例中，以表示此商品。目前此字段不用于其他目的。
                has_intraday: true,
                has_weekly_and_monthly: true,
                has_no_volume: false, //布尔表示商品是否拥有成交量数据。
                session: "24x7",
                supported_resolutions: ["5", "15", "30", "60", "1D", "1W", "1M"],
              });
            });
          };
    
          //初始化数据
          Datafeed.Container.prototype.getBars = async function (
            symbolInfo, resolution, rangeStartDate, rangeEndDate, onHistoryCallback, onErrorCallback
          ) { 
            if (
              resolution.indexOf("D") == -1 &&
              resolution.indexOf("W") == -1 &&
              resolution.indexOf("M") == -1
            ) { 
              resolution = resolution + "min";
            } else if (resolution.indexOf("W") != -1 || resolution.indexOf("M") != -1) { 
              resolution = resolution;
            }
            //this_vue.newTimeshar 我请求历史数据的封装方法 换成自己的
            const res = await this_vue.newTimeshar({ 
              from: rangeStartDate,
              to: rangeEndDate,
              symbol: symbolInfo.name,
              period: resolution,
              currency_id: this_vue.currency_id,
            });
    
            if (res.code == 1 && res.data.length > 0) { 
              this_vue.$store.commit("upSma1", res.data[res.data.length - 2].sma1);
              this_vue.$store.commit("upSma2", res.data[res.data.length - 2].sma2);
              //我是实时传送数据到后台 如果用不到自己删除
              this_vue.time1 = setInterval(function () { 
                this_vue.$socket.emit("sub", this_vue.emitData); //触发socket连接
              }, 1000);
              //清楚计时器
              this_vue.$once("hook:beforeDestroy", () => { 
                clearInterval(this_vue.time1);
              });
              res.data.forEach((item, i) => { 
                item.open = Number(item.open);
                item.close = Number(item.close);
                item.high = Number(item.high);
                item.low = Number(item.low);
              });
              onHistoryCallback(res.data, {  noData: false });
              onHistoryCallback([], {  noData: true });
            }
            if (!res.data || res.code == -1) { 
              onHistoryCallback([], {  noData: true });
            }
            if (res.data && res.data.length == 0) { 
              onHistoryCallback([], {  noData: true });
            }
          };
          //实时数据
          Datafeed.Container.prototype.subscribeBars = function (
            symbolInfo, resolution, onRealtimeCallback, listenerGUID, onResetCacheNeededCallback
          ) { 
            this_vue.connect(onRealtimeCallback);
    
            //this._barsPulseUpdater.subscribeDataListener(symbolInfo, resolution, onRealtimeCallback, listenerGUID, onResetCacheNeededCallback);
          };
    
          Datafeed.Container.prototype.unsubscribeBars = function (listenerGUID) { 
            this._barsPulseUpdater.unsubscribeDataListener(listenerGUID);
          };
    
          return new Datafeed.Container();
        },

> createFeed（） 函数 里面的注意事项

**1.** 获取历史数据

this\_vue.newTimeshar（）是我封装的获取数据的接口 换成你自己的就可  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 5]  
**2.** 实时更新数据  
this\_vue.connect（）实时回调![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 6]

**创建 overrides（） 函数**

overrides() { 
          let style = { 
            up: "#12b886", //升
            down: "#fa5252", //降
            bg: "#061f46",  //背景
            grid: "rgba(122, 152, 247, .2)",
            cross: "#fff", //十字线
            border: "rgba(122, 152, 247, .2)",
            text: "rgba(122, 152, 247, .6)", //文字
            areatop: "rgba(122, 152, 247, .2)",
            areadown: "rgba(122, 152, 247, .2)",
            line: "rgba(122, 152, 247, .2)",
          };
          return { 
            volumePaneSize: "medium", //large, medium, small, tiny
            "paneProperties.topMargin": "20",
            "scalesProperties.lineColor": style.text,
            "scalesProperties.textColor": style.text,
            "paneProperties.background": style.bg, //改变背景色的重要代码
            "paneProperties.vertGridProperties.color": style.grid,
            "paneProperties.horzGridProperties.color": style.grid,
            "paneProperties.crossHairProperties.color": style.cross,
            "paneProperties.crossHairProperties.lineType": 2,
            "paneProperties.legendProperties.showLegend": true,
            "paneProperties.legendProperties.showStudyArguments": true,
            "paneProperties.legendProperties.showStudyTitles": true,
            "paneProperties.legendProperties.showStudyValues": true,
            "paneProperties.legendProperties.showSeriesTitle": true,
            "paneProperties.legendProperties.showSeriesOHLC": true,
            "mainSeriesProperties.candleStyle.upColor": style.up,
            "mainSeriesProperties.candleStyle.downColor": style.down,
            "mainSeriesProperties.candleStyle.drawWick": true,
            "mainSeriesProperties.candleStyle.drawBorder": true,
            "mainSeriesProperties.candleStyle.borderColor": style.border,
            "mainSeriesProperties.candleStyle.borderUpColor": style.up,
            "mainSeriesProperties.candleStyle.borderDownColor": style.down,
            "mainSeriesProperties.candleStyle.wickUpColor": style.up,
            "mainSeriesProperties.candleStyle.wickDownColor": style.down,
            "mainSeriesProperties.candleStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.hollowCandleStyle.upColor": style.up,
            "mainSeriesProperties.hollowCandleStyle.downColor": style.down,
    
            "mainSeriesProperties.hollowCandleStyle.drawWick": true,
            "mainSeriesProperties.hollowCandleStyle.drawBorder": true,
            "mainSeriesProperties.hollowCandleStyle.borderColor": style.border,
            "mainSeriesProperties.hollowCandleStyle.borderUpColor": style.up,
            "mainSeriesProperties.hollowCandleStyle.borderDownColor": style.down,
            "mainSeriesProperties.hollowCandleStyle.wickColor": style.line,
            "mainSeriesProperties.haStyle.upColor": style.up,
            "mainSeriesProperties.haStyle.downColor": style.down,
            "mainSeriesProperties.haStyle.drawWick": true,
            "mainSeriesProperties.haStyle.drawBorder": true,
            "mainSeriesProperties.haStyle.borderColor": style.border,
            "mainSeriesProperties.haStyle.borderUpColor": style.up,
            "mainSeriesProperties.haStyle.borderDownColor": style.down,
            "mainSeriesProperties.haStyle.wickColor": style.border,
            "mainSeriesProperties.haStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.barStyle.upColor": style.up,
            "mainSeriesProperties.barStyle.downColor": style.down,
            "mainSeriesProperties.barStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.barStyle.dontDrawOpen": false,
            "mainSeriesProperties.lineStyle.color": style.border,
            "mainSeriesProperties.lineStyle.linewidth": 2,
            "mainSeriesProperties.lineStyle.styleType": 2,
            "mainSeriesProperties.lineStyle.linestyle": 2,
            "mainSeriesProperties.lineStyle.priceSource": "close",
            "mainSeriesProperties.areaStyle.color1": style.areatop,
            "mainSeriesProperties.areaStyle.color2": style.areadown,
            "mainSeriesProperties.areaStyle.linecolor": style.border,
            "mainSeriesProperties.areaStyle.linewidth": 2,
            "mainSeriesProperties.areaStyle.linestyle": 2,
            "mainSeriesProperties.areaStyle.priceSource": "close",
          };
        },

> overrides（） 函数 里面的注意事项

颜色根据自己的项目进行修改 （其他样式参考中文文档）

> TradingView 中文开发文档 （形状与覆盖地址）  
> https://aitrade.ga/books/tradingview/book/Shapes-and-Overrides.html

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3B4aGluZw_size_16_color_FFFFFF_t_70_pic_center 7]

**tv全部完整代码：**  
我里面用的是socket.io连接的后台，进行的实时对接数据，  
如果你是用的其他方法，直接把socket.io里面的东西替换就行。  
如果你对socket.io感兴趣，请看链接: [https://blog.csdn.net/pxhing/article/details/106191646][https_blog.csdn.net_pxhing_article_details_106191646].

<template>
      <div class="tvContent">
        <div id="tv_chart_container"></div>
      </div>
    </template>
    
    <style scoped>
    .tvContent { 
      width: 100%;
      height: 800px;
      background: #061f46;
      border: 1px solid #4390e4;
      border-radius: 5px;
      padding: 20px;
      box-sizing: border-box;
    }
    #tv_chart_container { 
      width: 100%;
      height: 100%;
    }
    </style>
    <script>
    import {  mapActions } from "vuex";
    export default { 
      name: "tv",
      props: { 
        symbol: { 
          type: String,
          required: true,
          default: "BTC/USDT",
        },
        currency_id: { 
          type: Number,
          required: true,
        },
      },
      data() { 
        return { 
          widget: null, //创建的实例
          symbolInfo: null, //信息
          priceScale: 100000, //价格精度
          aa: null,
          time1: null, 
        };
      },
      // 我使用的socket
      sockets: { 
        //查看socket是否渲染成功
        connect() { },
        disconnect() { 
          console.log("断开链接");
        }, //检测socket断开链接
        reconnect() { 
          console.log("重新链接");
          // this.$socket.emit("connection", 1);
          this.$socket.open();
        },
        //客户端接收后台传输的socket事件
        kline: function (msg) { 
          let obj = { };
          var that = this;
          let type = that.$store.state.type;
    
          if (that.symbol == msg.symbol && msg.period == type) { 
            obj.open = Number(msg.open);
            obj.low = Number(msg.low);
            obj.high = Number(msg.high);
            obj.close = Number(msg.close);
            obj.volume = Number(msg.volume);
            obj.time = Number(msg.time);
            if (that.$store.state.nextId != msg.id) { 
              that.$store.commit("upId", msg.id);
              that.$store.commit("upSma1", msg.sma1);
              that.$store.commit("upSma2", msg.sma2);
            }
    
            this.aa && this.aa(obj);
          }
        },
      },
      computed: { 
        listenState() { 
          //监听交易对
          return this.symbol;
        },
        kind() { 
          return this.symbol.split("/")[0].toLowerCase();
        },
        // 我传给后台的东西 自己进行删减
        emitData() { 
          return (
            this.kind +
            "-" +
            this.$store.state.type +
            "-" +
            this.$store.state.sma1 +
            "-" +
            this.$store.state.sma2
          );
        },
      },
      watch: { 
        listenState: function (a, b) { 
          //监听交易对
          if (a != b && b != "") { 
            this.widget.setSymbol(
              a,
              localStorage.getItem("tim"),
              function onReadyCallback() { }
            ); //切换币种
          }
        },
        symbol: { 
          handler(n) { 
            this.$socket.on("reconnect");
          },
          deep: true, // 深度监听父组件传过来对象变化
          immediate: true,
        },
      },
      mounted() { 
        this.createWidget();
      },
      destroyed() { 
        this.removeWidget();
      },
    
      methods: { 
        ...mapActions({ 
          newTimeshar: "home/newTimeshar",
        }),
        connect(real) { 
          this.aa = real;
          let that = this;
          //实时数据进行回调链接socket
          this.$socket.on("connect", function () { 
            this.$socket.on("kline", (msg) => { 
              let obj = { };
              let type = that.$store.state.type;
              if (that.symbol == msg.symbol && msg.period == type) { 
                obj.open = Number(msg.open);
                obj.low = Number(msg.low);
                obj.high = Number(msg.high);
                obj.close = Number(msg.close);
                obj.volume = Number(msg.volume);
                obj.time = Number(msg.time);
                if (that.$store.state.nextId != msg.id) { 
                  that.$store.commit("upId", msg.id);
                  that.$store.commit("upSma1", msg.sma1);
                  that.$store.commit("upSma2", msg.sma2);
                }
    
                real(obj);
              }
            });
          });
        },
        createWidget() { 
          let _this = this;
          this.$nextTick(function () { 
            let widget = (_this.widget = new TradingView.widget({ 
              symbol: _this.symbol,
              interval: 1,
              debug: false,
              fullscreen: false,
              autosize: true,
              container_id: "tv_chart_container",
              // datafeed: new Datafeeds.UDFCompatibleDatafeed(
              // "http://demo_feed.tradingview.com"
              // ),
              datafeed: _this.createFeed(),
              library_path: "static/tradeview/charting_library/",
              custom_css_url: "bundles/new.css",
              locale: "zh",
              width: "100%",
              allow_symbol_change: true,
              drawings_access: { 
                type: "black",
                // tools: [{name: "Regression Trend"}]//todo: moje
                tools: [
                  {  name: "Trend Line", grayed: true },
                  {  name: "Trend Angle", grayed: true },
                ], //todo: bb
              },
              disabled_features: [
                // 禁用的功能
                // "left_toolbar", //左侧菜单栏
                "widget_logo", //底部logo
                "header_saveload", //头部保存功能
                "compare_symbol",
                "display_market_status",
                "go_to_date",
                "header_chart_type", //头部类型 下面有自定义
                "header_compare",
                "header_interval_dialog_button",
                "header_resolutions",
                "header_screenshot", //图片上传
                "header_symbol_search",
                "header_undo_redo",
                // "legend_context_menu", //显示币种名称
                "show_hide_button_in_legend",
                "show_interval_dialog_on_key_press",
                // "symbol_info",
                "timeframes_toolbar", //底部时间信息
                "use_localstorage_for_settings",
                "volume_force_overlay",
              ],
              enabled_features: [
                // 启用的功能（备注：disable_resolution_rebuild 功能用于控制当时间范围为1个月时，日期刻度是否都是每个月1号
                "dont_show_boolean_study_arguments",
                "use_localstorage_for_settings",
                "remove_library_container_border",
                "save_chart_properties_to_local_storage",
                "side_toolbar_in_fullscreen_mode",
                "hide_last_na_study_output",
                "constraint_dialogs_movement",
                "legend_widget",
              ],
              charts_storage_url: "http://saveload.tradingview.com",
              charts_storage_api_version: "1.1",
              toolbar_bg: "transparent",
              timezone: "Asia/Shanghai",
              studies_overrides: { 
                "volume.precision": "1000",
              },
              overrides: _this.overrides(),
            }));
    
            widget.MAStudies = [];
            widget.selectedIntervalButton = null;
            widget.onChartReady(function () { 
              let buttonArr = [
                { 
                  value: "1",
                  period: "1min",
                  text: "1分",
                  chartType: 1,
                  type: "1min",
                },
                { 
                  value: "5",
                  period: "5min",
                  text: "5分",
                  chartType: 1,
                  type: "5min",
                },
                { 
                  value: "30",
                  period: "30min",
                  text: "30分",
                  chartType: 1,
                  type: "30min",
                },
                { 
                  value: "60",
                  period: "60min",
                  text: "60分",
                  chartType: 1,
                  type: "60min",
                },
                { 
                  value: "1D",
                  period: "1D",
                  text: "1天",
                  chartType: 1,
                  type: "1day",
                },
                { 
                  value: "1W",
                  period: "1W",
                  text: "1周",
                  chartType: 1,
                  type: "1week",
                },
                { 
                  value: "1M",
                  period: "1mon",
                  text: "1月",
                  chartType: 1,
                  type: "1mon",
                },
              ];
              let btn = { };
              let nowTime = "";
    
              buttonArr.forEach((v, i) => { 
                let button = widget.createButton();
                button.attr("title", v.text).addClass("my2").text(v.text);
                if (v.text === "5分") { 
                  button.css({ 
                    color: "#5786d2",
                    "border-bottom": "1px solid #5786d2",
                  });
                  localStorage.setItem("tim", "5");
                }
                btn = button.on("click", function (e) { 
                  $(this).parents(".left").children().find(".my2").removeAttr("style");
                  handleClick(e, v.value, v.type);
                  button.css({ 
                    color: "#5786d2",
                    "border-bottom": "1px solid #5786d2",
                  });
                  _this.$store.commit("upType", v.type);
                  widget.chart().setChartType(v.chartType); //改变K线类型
                });
              });
              let handleClick = (e, value, type) => { 
                _this.setSymbol = function (symbol, value) { 
                  gh.chart().setSymbol(symbol, value);
                };
                widget.chart().setResolution(value, function onReadyCallback() { }); //改变分辨率
                $(e.target)
                  .addClass("mydate")
                  .closest("div.space-single")
                  .siblings("div.space-single")
                  .find("div.button")
                  .removeClass("mydate");
              };
            });
    
            _this.widget = widget;
          });
        },
        createFeed() { 
          let this_vue = this;
          let Datafeed = { };
    
          Datafeed.DataPulseUpdater = function (datafeed, updateFrequency) { 
            this._datafeed = datafeed;
            this._subscribers = { };
    
            this._requestsPending = 0;
            var that = this;
    
            var update = function () { 
              if (that._requestsPending > 0) { 
                return;
              }
    
              for (var listenerGUID in that._subscribers) { 
                var subscriptionRecord = that._subscribers[listenerGUID];
                var resolution = subscriptionRecord.resolution;
    
                var datesRangeRight = parseInt(new Date().valueOf() / 1000);
    
                // BEWARE: please note we really need 2 bars, not the only last one
                // see the explanation below. `10` is the `large enough` value to work around holidays
                var datesRangeLeft =
                  datesRangeRight - that.periodLengthSeconds(resolution, 10);
    
                that._requestsPending++;
    
                (function (_subscriptionRecord) { 
                  // eslint-disable-line
                  that._datafeed.getBars(
                    _subscriptionRecord.symbolInfo,
                    resolution,
                    datesRangeLeft,
                    datesRangeRight,
                    function (bars) { 
                      that._requestsPending--;
    
                      // means the subscription was cancelled while waiting for data
                      if (!that._subscribers.hasOwnProperty(listenerGUID)) { 
                        return;
                      }
    
                      if (bars.length === 0) { 
                        return;
                      }
    
                      var lastBar = bars[bars.length - 1];
                      if (
                        !isNaN(_subscriptionRecord.lastBarTime) &&
                        lastBar.time < _subscriptionRecord.lastBarTime
                      ) { 
                        return;
                      }
    
                      var subscribers = _subscriptionRecord.listeners;
    
                      // BEWARE: this one isn't working when first update comes and this update makes a new bar. In this case
                      // _subscriptionRecord.lastBarTime = NaN
                      var isNewBar =
                        !isNaN(_subscriptionRecord.lastBarTime) &&
                        lastBar.time > _subscriptionRecord.lastBarTime;
    
                      // Pulse updating may miss some trades data (ie, if pulse period = 10 secods and new bar is started 5 seconds later after the last update, the
                      // old bar's last 5 seconds trades will be lost). Thus, at fist we should broadcast old bar updates when it's ready.
                      if (isNewBar) { 
                        if (bars.length < 2) { 
                          throw new Error(
                            "Not enough bars in history for proper pulse update. Need at least 2."
                          );
                        }
    
                        var previousBar = bars[bars.length - 2];
                        for (var i = 0; i < subscribers.length; ++i) { 
                          subscribers[i](previousBar);
                        }
                      }
    
                      _subscriptionRecord.lastBarTime = lastBar.time;
    
                      for (var i = 0; i < subscribers.length; ++i) { 
                        subscribers[i](lastBar);
                      }
                    },
    
                    // on error
                    function () { 
                      that._requestsPending--;
                    }
                  );
                })(subscriptionRecord);
              }
            };
    
            if (typeof updateFrequency != "undefined" && updateFrequency > 0) { 
              setInterval(update, updateFrequency);
            }
          };
    
          Datafeed.DataPulseUpdater.prototype.periodLengthSeconds = function (
            resolution, requiredPeriodsCount
          ) { 
            var daysCount = 0;
            if (resolution === "D") { 
              daysCount = requiredPeriodsCount;
            } else if (resolution === "M") { 
              daysCount = 31 * requiredPeriodsCount;
            } else if (resolution === "W") { 
              daysCount = 7 * requiredPeriodsCount;
            } else { 
              daysCount = (requiredPeriodsCount * resolution) / (24 * 60);
            }
    
            return daysCount * 24 * 60 * 60;
          };
    
          Datafeed.DataPulseUpdater.prototype.subscribeDataListener = function (
            symbolInfo, resolution, newDataCallback, listenerGUID
          ) { 
            this._datafeed._logMessage("Subscribing " + listenerGUID);
    
            if (!this._subscribers.hasOwnProperty(listenerGUID)) { 
              this._subscribers[listenerGUID] = { 
                symbolInfo: symbolInfo,
                resolution: resolution,
                lastBarTime: NaN,
                listeners: [],
              };
            }
    
            this._subscribers[listenerGUID].listeners.push(newDataCallback);
          };
    
          Datafeed.DataPulseUpdater.prototype.unsubscribeDataListener = function (
            listenerGUID
          ) { 
            this._datafeed._logMessage("Unsubscribing " + listenerGUID);
            delete this._subscribers[listenerGUID];
          };
    
          Datafeed.Container = function (updateFrequency) { 
            this._configuration = { 
              supports_search: false,
              supports_group_request: false,
              supported_resolutions: ["5", "15", "30", "60", "1D", "1W", "1M"],
              supports_marks: true,
              supports_timescale_marks: true,
              exchanges: ["gh"],
            };
    
            this._barsPulseUpdater = new Datafeed.DataPulseUpdater(
              this,
              updateFrequency || 10 * 1000
            );
            // this._quotesPulseUpdater = new Datafeed.QuotesPulseUpdater(this);
    
            this._enableLogging = true;
            this._callbacks = { };
    
            this._initializationFinished = true;
            this._fireEvent("initialized");
            this._fireEvent("configuration_ready");
          };
    
          Datafeed.Container.prototype._fireEvent = function (event, argument) { 
            if (this._callbacks.hasOwnProperty(event)) { 
              var callbacksChain = this._callbacks[event];
              for (var i = 0; i < callbacksChain.length; ++i) { 
                callbacksChain[i](argument);
              }
    
              this._callbacks[event] = [];
            }
          };
    
          Datafeed.Container.prototype._logMessage = function (message) { 
            if (this._enableLogging) { 
              var now = new Date();
            }
          };
    
          Datafeed.Container.prototype.on = function (event, callback) { 
            if (!this._callbacks.hasOwnProperty(event)) { 
              this._callbacks[event] = [];
            }
    
            this._callbacks[event].push(callback);
            return this;
          };
    
          Datafeed.Container.prototype.onReady = function (callback) { 
            let that = this;
            if (that._configuration) { 
              setTimeout(function () { 
                callback(that._configuration);
              }, 0);
            } else { 
              this.on("configuration_ready", function () { 
                callback(that._configuration);
              });
            }
          };
    
          Datafeed.Container.prototype.resolveSymbol = function (
            symbolName, onSymbolResolvedCallback, onResolveErrorCallback
          ) { 
            this._logMessage("GOWNO :: resolve symbol " + symbolName);
            Promise.resolve().then(() => { 
              onSymbolResolvedCallback({ 
                name: this_vue.symbol,
                timezone: "Asia/Shanghai",
                pricescale: this_vue.priceScale,
                minmov: 1, //minmov(最小波动), pricescale(价格精度), minmove2, fractional(分数)
                minmov2: 0, //这是一个神奇的数字来格式化复杂情况下的价格。
                ticker: this_vue.symbol,
                description: "",
                type: "bitcoin",
                volume_precision: 8,
                // "exchange-traded": "sdt",
                // "exchange-listed": "sdt",
                //现在，这两个字段都为某个交易所的略称。将被显示在图表的图例中，以表示此商品。目前此字段不用于其他目的。
                has_intraday: true,
                has_weekly_and_monthly: true,
                has_no_volume: false, //布尔表示商品是否拥有成交量数据。
                session: "24x7",
                supported_resolutions: ["5", "15", "30", "60", "1D", "1W", "1M"],
              });
            });
          };
    
          //初始化数据
          Datafeed.Container.prototype.getBars = async function (
            symbolInfo, resolution, rangeStartDate, rangeEndDate, onHistoryCallback, onErrorCallback
          ) { 
            if (
              resolution.indexOf("D") == -1 &&
              resolution.indexOf("W") == -1 &&
              resolution.indexOf("M") == -1
            ) { 
              resolution = resolution + "min";
            } else if (resolution.indexOf("W") != -1 || resolution.indexOf("M") != -1) { 
              resolution = resolution;
            }
    
            //this_vue.newTimeshar 我请求历史数据的封装方法 换成自己的
            const res = await this_vue.newTimeshar({ 
              from: rangeStartDate,
              to: rangeEndDate,
              symbol: symbolInfo.name,
              period: resolution,
              currency_id: this_vue.currency_id,
            });
    
            if (res.code == 1 && res.data.length > 0) { 
              this_vue.$store.commit("upSma1", res.data[res.data.length - 2].sma1);
              this_vue.$store.commit("upSma2", res.data[res.data.length - 2].sma2);
              //我是实时传送数据到后台 如果用不到自己删除
              this_vue.time1 = setInterval(function () { 
                this_vue.$socket.emit("sub", this_vue.emitData); //触发socket连接
              }, 1000);
              //清楚计时器
              this_vue.$once("hook:beforeDestroy", () => { 
                clearInterval(this_vue.time1);
              });
              res.data.forEach((item, i) => { 
                item.open = Number(item.open);
                item.close = Number(item.close);
                item.high = Number(item.high);
                item.low = Number(item.low);
              });
              onHistoryCallback(res.data, {  noData: false });
              onHistoryCallback([], {  noData: true });
            }
            if (!res.data || res.code == -1) { 
              onHistoryCallback([], {  noData: true });
            }
            if (res.data && res.data.length == 0) { 
              onHistoryCallback([], {  noData: true });
            }
          };
          //实时数据
          Datafeed.Container.prototype.subscribeBars = function (
            symbolInfo, resolution, onRealtimeCallback, listenerGUID, onResetCacheNeededCallback
          ) { 
            this_vue.connect(onRealtimeCallback);
    
            //this._barsPulseUpdater.subscribeDataListener(symbolInfo, resolution, onRealtimeCallback, listenerGUID, onResetCacheNeededCallback);
          };
    
          Datafeed.Container.prototype.unsubscribeBars = function (listenerGUID) { 
            this._barsPulseUpdater.unsubscribeDataListener(listenerGUID);
          };
    
          return new Datafeed.Container();
        },
    
        updateData(data) { 
          if (data) { 
            this.$emit("real-time", data);
          }
        },
    
        updateWidget(item) { 
          this.symbolInfo = { 
            name: item,
            ticker: item,
            description: "",
            session: "24x7",
            supported_resolutions: ["5", "15", "30", "60", "1D", "1W", "1M"],
            has_intraday: true,
            has_daily: true,
            has_weekly_and_monthly: true,
            timezone: "UTC",
          };
    
          this.removeWidget();
          this.createWidget();
        },
        removeWidget() { 
          if (this.widget) { 
            this.widget.remove();
            this.widget = null;
          }
        },
        overrides() { 
          let style = { 
            up: "#12b886", //升
            down: "#fa5252", //降
            bg: "#061f46",  //背景
            grid: "rgba(122, 152, 247, .2)",
            cross: "#fff", //十字线
            border: "rgba(122, 152, 247, .2)",
            text: "rgba(122, 152, 247, .6)", //文字
            areatop: "rgba(122, 152, 247, .2)",
            areadown: "rgba(122, 152, 247, .2)",
            line: "rgba(122, 152, 247, .2)",
          };
          return { 
            volumePaneSize: "medium", //large, medium, small, tiny
            "paneProperties.topMargin": "20",
            "scalesProperties.lineColor": style.text,
            "scalesProperties.textColor": style.text,
            "paneProperties.background": style.bg, //改变背景色的重要代码
            "paneProperties.vertGridProperties.color": style.grid,
            "paneProperties.horzGridProperties.color": style.grid,
            "paneProperties.crossHairProperties.color": style.cross,
            "paneProperties.crossHairProperties.lineType": 2,
            "paneProperties.legendProperties.showLegend": true,
            "paneProperties.legendProperties.showStudyArguments": true,
            "paneProperties.legendProperties.showStudyTitles": true,
            "paneProperties.legendProperties.showStudyValues": true,
            "paneProperties.legendProperties.showSeriesTitle": true,
            "paneProperties.legendProperties.showSeriesOHLC": true,
            "mainSeriesProperties.candleStyle.upColor": style.up,
            "mainSeriesProperties.candleStyle.downColor": style.down,
            "mainSeriesProperties.candleStyle.drawWick": true,
            "mainSeriesProperties.candleStyle.drawBorder": true,
            "mainSeriesProperties.candleStyle.borderColor": style.border,
            "mainSeriesProperties.candleStyle.borderUpColor": style.up,
            "mainSeriesProperties.candleStyle.borderDownColor": style.down,
            "mainSeriesProperties.candleStyle.wickUpColor": style.up,
            "mainSeriesProperties.candleStyle.wickDownColor": style.down,
            "mainSeriesProperties.candleStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.hollowCandleStyle.upColor": style.up,
            "mainSeriesProperties.hollowCandleStyle.downColor": style.down,
    
            "mainSeriesProperties.hollowCandleStyle.drawWick": true,
            "mainSeriesProperties.hollowCandleStyle.drawBorder": true,
            "mainSeriesProperties.hollowCandleStyle.borderColor": style.border,
            "mainSeriesProperties.hollowCandleStyle.borderUpColor": style.up,
            "mainSeriesProperties.hollowCandleStyle.borderDownColor": style.down,
            "mainSeriesProperties.hollowCandleStyle.wickColor": style.line,
            "mainSeriesProperties.haStyle.upColor": style.up,
            "mainSeriesProperties.haStyle.downColor": style.down,
            "mainSeriesProperties.haStyle.drawWick": true,
            "mainSeriesProperties.haStyle.drawBorder": true,
            "mainSeriesProperties.haStyle.borderColor": style.border,
            "mainSeriesProperties.haStyle.borderUpColor": style.up,
            "mainSeriesProperties.haStyle.borderDownColor": style.down,
            "mainSeriesProperties.haStyle.wickColor": style.border,
            "mainSeriesProperties.haStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.barStyle.upColor": style.up,
            "mainSeriesProperties.barStyle.downColor": style.down,
            "mainSeriesProperties.barStyle.barColorsOnPrevClose": false,
            "mainSeriesProperties.barStyle.dontDrawOpen": false,
            "mainSeriesProperties.lineStyle.color": style.border,
            "mainSeriesProperties.lineStyle.linewidth": 2,
            "mainSeriesProperties.lineStyle.styleType": 2,
            "mainSeriesProperties.lineStyle.linestyle": 2,
            "mainSeriesProperties.lineStyle.priceSource": "close",
            "mainSeriesProperties.areaStyle.color1": style.areatop,
            "mainSeriesProperties.areaStyle.color2": style.areadown,
            "mainSeriesProperties.areaStyle.linecolor": style.border,
            "mainSeriesProperties.areaStyle.linewidth": 2,
            "mainSeriesProperties.areaStyle.linestyle": 2,
            "mainSeriesProperties.areaStyle.priceSource": "close",
          };
        },
      },
    };
    </script>

> TradingView 拓展

TradingView设置均线和隐藏均线: [https://blog.csdn.net/pxhing/article/details/118582663][https_blog.csdn.net_pxhing_article_details_118582663].

vue TradingView为k线做标记: [https://blog.csdn.net/pxhing/article/details/118584281][https_blog.csdn.net_pxhing_article_details_118584281].

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[https_blog.csdn.net_pxhing_article_details_106191646]: https://blog.csdn.net/pxhing/article/details/106191646
[https_blog.csdn.net_pxhing_article_details_118582663]: https://blog.csdn.net/pxhing/article/details/118582663
[https_blog.csdn.net_pxhing_article_details_118584281]: https://blog.csdn.net/pxhing/article/details/118584281