微信小程序自定义Modal弹出框

向右看齐 2022-04-24 08:46 472阅读 0赞

效果图  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQyOTExNjYz_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][20190420191912886.png]  
支持是否显示moda框标题 支持单个input框(多个的项目没用到懒得写) 支持只显示提示文字  
代码  
wxml部分

<view class="modal-con" wx:if="{ {isShowModal}}">
        <view class="modal-mask">
            <view class="modal-box" style="width:80%;padding-top:{ { isShowTitle ? '' : '50rpx'}} ">
                <view class="modal-box-title" style="padding:30rpx 0" wx:if="{ {isShowTitle}}">{
       {modalTitle}}</view>
                <input type="{ {inputType}}" wx:if="{ {isShowInput}}" class="modal-box-input { {isfous ? 'border' : ''}}" value='{ {inputVal}}' placeholder='{ {placeholder}}' bindfocus="bindFous" bindblur="bindBlur" bindinput="_bindInput"></input>
                <view class="show-desc" wx:if="{ {showDesc}}" style="font-size:{ { isShowInput ? 26 : 35 }}rpx;text-align:{ { isShowInput ? 'left' : 'center' }}">{
       {showDesc}}</view>
                <view class="flex btn-con" style="margin-top:60rpx">
                    <button type="default" class="flex-1 btn cancle-btn" catchtap='cancle'>
                        取消
                    </button>
                    <button type="default" class="flex-1 btn confirm-btn" catchtap='_confirm'>
                        确定
                    </button>
                </view>
            </view>
        </view>
    </view>

JS部分

const App = getApp();
    Component({ 
    	options: { 
    		addGlobalClass: true,
    		multipleSlots: true
    	},
    	properties: { 
    		 isShowModal: {  //是否显示整个modal框
    			type: Boolean,
    			value: false
    		},
    		isShowTitle: {  // 是否显示标题
    			type: Boolean,
    			value: true
    		},
    		modalTitle: {  // 标题内容
    			type: String,
    			value: "标题"
    		},
    		placeholder: {  // input框提示文字
    			type: String,
    			value: "请输入提示文字"
    		},
    		showDesc: {  // 备注文字
    			type: String,
    			value: ""
    		},
    		inputType: {  // input框类型
    			type: String,
    			value: 'text'
    		},
    		isShowInput: {  // 是否显示 input框
    			type: Boolean,
    			value: true
    		},
    		inputVal: { 
    			type: [String,Number],
    			value: ''
    		}
    	},
    	data: { 
    		isfous: false,
    		
    	},
    	methods: { 
    		bindFous() { 
    			this.setData({ 
    				isfous:true
    			})
    		},
    		bindBlur() {  
    			this.setData({ 
    				isfous: false
    			})
    		},
    		_bindInput(e) { 
    			this.triggerEvent('customBindInput', e.detail.value)
    		},
    		cancle() {  
    			this.triggerEvent('cancle')
    		},
    		_confirm(e) { 
    			this.triggerEvent("confirm"); 
    		}
    	}
    })

wxss部分

.modal-con {  position: fixed; top: 0; bottom: 0; width: 100%; height: 100%; z-index: 999; }
    .modal-con .modal-mask {  position: absolute; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); z-index: 999; }
    .modal-con .modal-box {  position: absolute; top: 50%; left: 50%; z-index: 1000; transform: translate(-50%, -50%); -webkit-transform: translate(-50%, -50%); width: 80%; background-color: #fff; border-radius: 10rpx; text-align: center; overflow: hidden;  }
    .modal-con .modal-box .modal-box-input {  font-size: 28rpx; width: 80%; margin: 20rpx auto; border: 1px solid #dddd; padding: 15rpx 10rpx; border-radius: 10rpx; }
    .modal-con .modal-box .show-desc {  text-align:left;width:80%;margin:0 auto;font-size:26rpx;color:#666;word-break:break-all }
    .modal-con .modal-box .modal-box-input.border {  border: 1px solid #2F94FA; box-shadow: 0 0 3px #2f94f4; }
    
    .modal-con .modal-box .btn-con {  margin-top: 50rx; }
    .modal-box .btn-con .btn {  background-color: #fff; color: #444; }
    .modal-box .btn-con .confirm-btn {  color: #2F94FA; }
    .modal-box .btn-con .button-hover {  border: none; background-color: #ccc !important }

JSON部分

{ 
    		"component": true,
    		"usingComponents": { }
    	}

例子 index页面调用  
index.json

"usingComponents": { 
    		"modal": "/component/CustomModal/CustomModal"
    	}

index.wxml

可根据自己的需求 自行修改

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQyOTExNjYz_size_16_color_FFFFFF_t_70]: /images/20220217/9acc1f445bdd4d3789c9b21b703f0fd6.png
[20190420191912886.png]: /images/20220217/6f4b98c525bd4987a2665b7de91fa16b.png