[Selenium] 通过Java+Selenium查询某个博主的Top40文章质量分

悠悠 2023-10-12 20:33 24阅读 0赞

## 系列文章目录 ##

[通过Java+Selenium查询文章质量分][Java_Selenium]  
[通过Java+Selenium查询某个博主的Top40文章质量分][Java_Selenium_Top40]  
[通过Java+Selenium查询某个博主的Top100文章质量分][Java_Selenium_Top100]

--------------------

#### 文章目录 ####

*  系列文章目录
 *  前言
 *  一、环境准备
 *  二、查询某个博主的Top40文章
 *   *  2.1、修改pom.xml配置
     *  2.2、配置Chrome驱动
     *  2.3、引入浏览器配置
     *  2.4、设置无头模式
     *  2.5、启动浏览器实例，添加配置信息
     *  2.6、窗口设置
     *  2.7、禁止加载图片设置
     *  2.8、加载博主地址
     *  2.9、加载文章列表
     *  2.10、加载下一页
     *  2.11、设置加载40条数据
     *  2.12、成果
 *  三、循环查询文章质量分
 *  四、代码
 *  总结

![在这里插入图片描述][4cb02404e3aa47879ae472cac30668a1.png]

--------------------

## 前言 ##

大家好，我是青花，本篇给大家分享一下《通过Java+Selenium查询某个博主的Top40文章质量分》。

--------------------

## 一、环境准备 ##

浏览器：本篇使用的是Chrome  
Chrome浏览器版本：113  
Chrome驱动版本：113（[Java爬虫第一篇][Java]）  
Java版本：Jdk1.8  
selenium版本： 4.9.1

--------------------

## 二、查询某个博主的Top40文章 ##

### 2.1、修改pom.xml配置 ###

<dependency>
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
             <version>1.11.3</version>
         </dependency>
    
         <dependency>
             <groupId>org.seleniumhq.selenium</groupId>
             <artifactId>selenium-java</artifactId>
             <version>4.9.1</version>
         </dependency>
         
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
             <version>2.10.1</version>
         </dependency>

### 2.2、配置Chrome驱动 ###

public final static String CHROMEDRIVERPATH = "/Users/apple/Downloads/chromedriver_mac64/chromedriver";

System.setProperty("webdriver.chrome.driver", SeleniumUtil.CHROMEDRIVERPATH );//    	chromedriver localPath

### 2.3、引入浏览器配置 ###

WebDriver driver;
    	 ChromeOptions chromeOptions = new ChromeOptions();

### 2.4、设置无头模式 ###

chromeOptions.addArguments('--headless')
    	chromeOptions.addArguments("--remote-allow-origins=*");

### 2.5、启动浏览器实例，添加配置信息 ###

driver = new ChromeDriver(chromeOptions);

### 2.6、窗口设置 ###

chromeOptions.addArguments("–no-sandbox");  //--start-maximized

### 2.7、禁止加载图片设置 ###

// 增加禁止加载图片的设置
       	HashMap<String, Object> prefs = new HashMap<>();
        prefs.put("profile.default_content_settings", 2);
        chromeOptions.setExperimentalOption("prefs", prefs);
        chromeOptions.addArguments("blink-settings=imagesEnabled=false");//禁用图片

### 2.8、加载博主地址 ###

String baseUrl = "https://blog.csdn.net/s445320?type=blog";

![在这里插入图片描述][0ebb1caa66704cbf964cafc95bf2ef6d.png]

### 2.9、加载文章列表 ###

//定位到文章列表
       WebElement mainSelectE = driver.findElement(By.cssSelector("div.mainContent"));

### 2.10、加载下一页 ###

**模拟浏览器滚动条下拉，加载下一页数据**

//加载下一页
       JavascriptExecutor jsDriver = (JavascriptExecutor) driver;//将java中的driver强制转型为JS类型
       jsDriver.executeScript("window.scrollTo(0, 50)");
       jsDriver.executeScript("window.scrollTo(0, document.body.scrollHeight-20)");
       SeleniumUtil.sleep(500);
       jsDriver.executeScript("window.scrollTo(0, document.body.scrollHeight +1)");
       SeleniumUtil.sleep(2000);

### 2.11、设置加载40条数据 ###

// 获取Top40的数量
        int topNum = 40;
            
    	//如果加载的数据超过或等于 要求的最大长度，返回现在已加载的数据
        if( webElements.size() >= topNum ) {
        
            for(WebElement element : webElements ){
        
                System.out.println(  element.getAttribute("href")  );
                blogUrlList.add(element.getAttribute("href"));
            }
            log.info("文章已读取 {} 条，最大限制 {} 条！" , webElements.size() , topNum);
            break;
        }

### 2.12、成果 ###

00:44:50.693 [main] INFO com.kelvin.spiderx.service.CsdnQcService - csdnQcBySelenium start！
    00:45:03.151 [main] INFO com.kelvin.spiderx.service.CsdnQcService - 文章已读取 40 条，最大限制 40 条！
    00:45:03.151 [main] INFO com.kelvin.spiderx.service.CsdnQcService - blogUrlList size:40
    00:45:03.294 [main] INFO com.kelvin.spiderx.service.CsdnQcService - blogUrlList:["https://blog.csdn.net/s445320/article/details/131347069","https://blog.csdn.net/s445320/article/details/131339468","https://blog.csdn.net/s445320/article/details/131339215","https://blog.csdn.net/s445320/article/details/131338267","https://blog.csdn.net/s445320/article/details/131336229","https://blog.csdn.net/s445320/article/details/131336089","https://blog.csdn.net/s445320/article/details/131333724","https://blog.csdn.net/s445320/article/details/131332238","https://blog.csdn.net/s445320/article/details/131290150","https://blog.csdn.net/s445320/article/details/131250793","https://blog.csdn.net/s445320/article/details/131212215","https://blog.csdn.net/s445320/article/details/131189920","https://blog.csdn.net/s445320/article/details/131156242","https://blog.csdn.net/s445320/article/details/131154914","https://blog.csdn.net/s445320/article/details/131150756","https://blog.csdn.net/s445320/article/details/131147965","https://blog.csdn.net/s445320/article/details/131132334","https://blog.csdn.net/s445320/article/details/131119648","https://blog.csdn.net/s445320/article/details/130951405","https://blog.csdn.net/s445320/article/details/130930596","https://blog.csdn.net/s445320/article/details/130928675","https://blog.csdn.net/s445320/article/details/130888590","https://blog.csdn.net/s445320/article/details/130888380","https://blog.csdn.net/s445320/article/details/130887969","https://blog.csdn.net/s445320/article/details/130887448","https://blog.csdn.net/s445320/article/details/130885855","https://blog.csdn.net/s445320/article/details/130840157","https://blog.csdn.net/s445320/article/details/130830753","https://blog.csdn.net/s445320/article/details/130826012","https://blog.csdn.net/s445320/article/details/130823776","https://blog.csdn.net/s445320/article/details/130822527","https://blog.csdn.net/s445320/article/details/130822065","https://blog.csdn.net/s445320/article/details/130820814","https://blog.csdn.net/s445320/article/details/130807205","https://blog.csdn.net/s445320/article/details/130800407","https://blog.csdn.net/s445320/article/details/130717739","https://blog.csdn.net/s445320/article/details/130690514","https://blog.csdn.net/s445320/article/details/130690100","https://blog.csdn.net/s445320/article/details/130635327","https://blog.csdn.net/s445320/article/details/130624259"]
    00:45:03.296 [main] INFO com.kelvin.spiderx.service.CsdnQcService - 此博主有文章，开始解析文章质量分！
    00:45:03.296 [main] INFO com.kelvin.spiderx.service.CsdnQcService - csdnQcBySelenium start！
    ---------- 省略解析过程
    此博主质量分如下：
    00:50:40.699 [main] INFO com.kelvin.spiderx.service.CsdnQcService - [{
        "title":"[Selenium] 通过Java+Selenium查询文章质量分","posttime":"- 青花锁 · 2023-06-23 08:42:36 -","score":"86","remark":"文章质量良好"},{
        "title":"【并发知识点】CAS的实现原理及应用","posttime":"- 青花锁 · 2023-06-22 11:55:48 -","score":"90","remark":"文章质量良好"},{
        "title":"【并发知识点】AQS的实现原理及应用","posttime":"- 青花锁 · 2023-06-22 11:35:53 -","score":"90","remark":"文章质量良好"},{
        "title":"简单介绍html/javascript、ajax应用","posttime":"- 青花锁 · 2023-06-22 10:18:01 -","score":"92","remark":"文章质量良好"},{
        "title":"[设计模式] OOP六大原则","posttime":"- 青花锁 · 2023-06-22 01:24:19 -","score":"89","remark":"文章质量良好"},{
        "title":"[Web前端] Servlet及应用","posttime":"- 青花锁 · 2023-06-22 01:07:56 -","score":"91","remark":"文章质量良好"},{
        "title":"【在线商城系统】数据来源-爬虫篇","posttime":"- 青花锁 · 2023-06-22 00:48:46 -","score":"87","remark":"文章质量良好"},{
        "title":"《项目实战》构建SpringCloud alibaba项目（三、构建服务方子工程store-user-service）","posttime":"- 青花锁 · 2023-06-21 18:20:46 -","score":"86","remark":"文章质量良好"},{
        "title":"《项目实战》构建SpringCloud alibaba项目（二、构建微服务鉴权子工程store-authority-service）","posttime":"- 青花锁 · 2023-06-19 17:24:53 -","score":"86","remark":"文章质量良好"},{
        "title":"《项目实战》使用JDBC手写分库","posttime":"- 青花锁 · 2023-06-16 17:56:03 -","score":"88","remark":"文章质量良好"},{
        "title":"《项目实战》构建SpringCloud alibaba项目（一、构建父工程、公共库、网关））","posttime":"- 青花锁 · 2023-06-15 20:41:46 -","score":"92","remark":"文章质量良好"},{
        "title":"《项目实战》 Jenkins 与 CICD、发布脚本","posttime":"- 青花锁 · 2023-06-13 15:53:46 -","score":"90","remark":"文章质量良好"},{
        "title":"《微服务实战》 第三十二章 微服务链路跟踪-sleuth zipkin","posttime":"- 青花锁 · 2023-06-11 18:41:09 -","score":"90","remark":"文章质量良好"},{
        "title":"《微服务实战》 第三十一章 ShardingSphere - ShardingSphere-JDBC","posttime":"- 青花锁 · 2023-06-11 18:25:34 -","score":"80","remark":"文章质量良好"},{
        "title":"《微服务实战》 第三十章 分布式事务框架seata TCC模式","posttime":"- 青花锁 · 2023-06-11 10:38:21 -","score":"89","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十九章 分布式事务框架seata AT模式","posttime":"- 青花锁 · 2023-06-11 10:23:44 -","score":"92","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十八章 分布式锁框架-Redisson","posttime":"- 青花锁 · 2023-06-09 17:55:59 -","score":"91","remark":"文章质量良好"},{
        "title":"【项目实战】一、Spring boot整合JWT、Vue案例展示用户鉴权","posttime":"- 青花锁 · 2023-06-09 09:06:43 -","score":"92","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十七章 CAS","posttime":"- 青花锁 · 2023-05-30 16:26:30 -","score":"87","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十六章 Java锁的分类","posttime":"- 青花锁 · 2023-05-29 17:28:47 -","score":"91","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十五章 Java多线程安全与锁","posttime":"- 青花锁 · 2023-05-29 16:07:53 -","score":"91","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十四章 Spring boot 操作 Redis","posttime":"- 青花锁 · 2023-05-26 15:58:06 -","score":"84","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十三章 Redis RDB AOF","posttime":"- 青花锁 · 2023-05-26 15:51:44 -","score":"87","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十一、二十二章 Redis发布订阅、事务；HyperLoglog基数统计","posttime":"- 青花锁 · 2023-05-26 15:37:14 -","score":"87","remark":"文章质量良好"},{
        "title":"《微服务实战》 第二十章 Redis连接指令 客户端指令 服务器指令","posttime":"- 青花锁 · 2023-05-26 15:23:09 -","score":"89","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十九章 Redis key","posttime":"- 青花锁 · 2023-05-26 14:21:22 -","score":"85","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十八章 Redis查看配置文件和数据类型","posttime":"- 青花锁 · 2023-05-26 14:13:58 -","score":"91","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十七章 Redis下载与安装","posttime":"- 青花锁 · 2023-05-23 17:09:55 -","score":"85","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十六章 Spring cloud stream应用","posttime":"- 青花锁 · 2023-05-23 15:17:00 -","score":"89","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十五章 RabbitMQ 延迟队列","posttime":"- 青花锁 · 2023-05-23 11:35:33 -","score":"86","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十四章 RabbitMQ应用","posttime":"- 青花锁 · 2023-05-23 11:25:54 -","score":"92","remark":"文章质量良好"},{
        "title":"Java爬虫第五篇：使用selenium、Jsoup 抓取bing搜索图片","posttime":"- 青花锁 · 2023-05-23 10:39:34 -","score":"13","remark":"文章过短"},{
        "title":"Java爬虫第四篇：使用selenium、Jsoup 抓取图片","posttime":"- 青花锁 · 2023-05-23 10:04:52 -","score":"13","remark":"文章过短"},{
        "title":"《微服务实战》 第十三章 JWT","posttime":"- 青花锁 · 2023-05-22 15:54:20 -","score":"92","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十二章 Spring Cloud Alibaba Sentinel","posttime":"- 青花锁 · 2023-05-22 11:48:27 -","score":"92","remark":"文章质量良好"},{
        "title":"《微服务实战》 第十一章 Spring Cloud Alibaba nacos配置中心","posttime":"- 青花锁 · 2023-05-17 09:01:39 -","score":"88","remark":"文章质量良好"},{
        "title":"《微服务实战》 第九章 Gitlab使用","posttime":"- 青花锁 · 2023-05-15 18:54:13 -","score":"80","remark":"文章质量良好"},{
        "title":"《微服务实战》 第八章 Spring Cloud 之 Hystrix","posttime":"- 青花锁 · 2023-05-15 18:36:19 -","score":"91","remark":"文章质量良好"},{
        "title":"《微服务实战》 第七章 Spring Cloud 之 GateWay","posttime":"- 青花锁 · 2023-05-15 14:20:09 -","score":"92","remark":"文章质量良好"},{
        "title":"《微服务实战》 第六章 Spring Cloud 之 OpenFeign","posttime":"- 青花锁 · 2023-05-11 17:07:56 -","score":"90","remark":"文章质量良好"}]
    
    00:50:40.693 [main] INFO com.kelvin.spiderx.service.CsdnQcService - csdnQcBySelenium end！

## 三、循环查询文章质量分 ##

[通过Java+Selenium查询文章质量分][Java_Selenium]  
查询文章质量分可见上述文章，在本章中对返回值，禁止图片加载做了优化。  
**备注：** 后期针对查询质量分，可以多个查询页面共用一个driver。  
并发情况下，可考虑driver池化技术，100篇文章分为N段，分别去作业，优化性能。

--------------------

## 四、代码 ##

```java
    package com.kelvin.spiderx.service;
    
    import com.google.gson.Gson;
    import com.kelvin.spiderx.util.SeleniumUtil;
    import lombok.Data;
    import lombok.extern.slf4j.Slf4j;
    import org.jsoup.Jsoup;
    import org.jsoup.nodes.Document;
    import org.openqa.selenium.By;
    import org.openqa.selenium.JavascriptExecutor;
    import org.openqa.selenium.WebDriver;
    import org.openqa.selenium.WebElement;
    import org.openqa.selenium.chrome.ChromeDriver;
    import org.openqa.selenium.chrome.ChromeOptions;
    import org.springframework.util.CollectionUtils;
    import org.springframework.util.StringUtils;
    import java.io.IOException;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.List;
    
    /***
     * @title CsdnQcService
     * @desctption CSDN查询质量分
     * @author LTF
     * @create 2023/6/21 23:02
     **/
    @Slf4j
    public class CsdnQcService {
        
    
        @Data
        class CsdnBlogInfo {
        
            private String title;
    
            private String posttime;
    
            private String score;
    
            private String remark;
    
        }
    
        /**
         *  获取商品数据
         * @throws IOException
         */
        CsdnBlogInfo csdnQcBySelenium(String blogUrl) {
        
            log.info("csdnQcBySelenium start！");
            CsdnBlogInfo csdnBlogInfo = new CsdnBlogInfo();
    
    
            System.setProperty("webdriver.chrome.driver", SeleniumUtil.CHROMEDRIVERPATH );// chromedriver localPath
            ChromeOptions chromeOptions = new ChromeOptions();
            chromeOptions.addArguments("--remote-allow-origins=*");
            chromeOptions.addArguments("–no-sandbox");  //--start-maximized
    
            // 增加禁止加载图片的设置
            HashMap<String, Object> prefs = new HashMap<>();
            prefs.put("profile.default_content_settings", 2);
            chromeOptions.setExperimentalOption("prefs", prefs);
            chromeOptions.addArguments("blink-settings=imagesEnabled=false");//禁用图片
    
    
            WebDriver driver = new ChromeDriver(chromeOptions);
    
            driver.get("https://www.csdn.net/qc");
    
            SeleniumUtil.sleep(1000);
    
            //定位到输入框
            WebElement inputSelectE = driver.findElement(By.cssSelector("input.el-input__inner"));
            //输入文字地址
            inputSelectE.sendKeys(blogUrl);
    
            SeleniumUtil.sleep(100);
    
            //定位查询按钮
            WebElement qcSelectE = driver.findElement(By.cssSelector("div.trends-input-box-btn"));
            //点击查询按钮
            qcSelectE.click();
    
            SeleniumUtil.sleep(1000);
    
            //获取右边区域 -- 文章质量分结果区域
            WebElement mainSelectE = driver.findElement(By.cssSelector("div.csdn-body-right"));
    
            //转化为Jsoup文档处理
            Document doc = Jsoup.parse( mainSelectE.getAttribute("outerHTML") );
    
            //获取文章标题
            String title = doc.select("span.title").text();
            if(!StringUtils.isEmpty(title)) {
        
                csdnBlogInfo.setTitle(title);
            }
    
            //获取作者和发布时间
            String posttime = doc.select("span.name").text();
            if(!StringUtils.isEmpty(posttime)) {
        
                csdnBlogInfo.setPosttime(posttime);
            }
    
            //获取质量分
            String score = doc.select("p.img").text();
            if(!StringUtils.isEmpty(score)) {
        
                csdnBlogInfo.setScore(score);
            }
    
            //获取博文质量分建议
            String remark = doc.select("p.desc").text();
            if(!StringUtils.isEmpty(remark)) {
        
                csdnBlogInfo.setRemark(remark);
            }
    
            //打印结果
            log.info("文章标题:{} , 作者和发布时间:{} , 质量分:{} , 博文建议:{}" , title , posttime , score , remark );
    
            driver.quit();
            log.info("csdnQcBySelenium end！");
            return csdnBlogInfo;
        }
    
        void allBlogQcDataBySelenium() {
        
            String baseUrl = "https://blog.csdn.net/s445320?type=blog";
            String qcUrl = "https://www.csdn.net/qc";
    
            System.setProperty("webdriver.chrome.driver", SeleniumUtil.CHROMEDRIVERPATH );// chromedriver localPath
            ChromeOptions chromeOptions = new ChromeOptions();
            chromeOptions.addArguments("--remote-allow-origins=*");
            chromeOptions.addArguments("–no-sandbox");  //--start-maximized
    
            // 增加禁止加载图片的设置
            HashMap<String, Object> prefs = new HashMap<>();
            prefs.put("profile.default_content_settings", 2);
            chromeOptions.setExperimentalOption("prefs", prefs);
            chromeOptions.addArguments("blink-settings=imagesEnabled=false");//禁用图片
    
            WebDriver driver = new ChromeDriver(chromeOptions);
    
            driver.get(baseUrl);
    
            SeleniumUtil.sleep(200);
    
            //定位到文章列表
            WebElement mainSelectE = driver.findElement(By.cssSelector("div.mainContent"));
    
            boolean isEnd = false;
            // 获取Top40的数量
            int topNum = 40;
            // 上一次读取的文章数
            int prePoint = 0;
            // 已读取的文章数量
            int readNum = 0;
            List<String> blogUrlList = new ArrayList<>();
            List<WebElement>  webElements = null;
            while ( isEnd == false  ) {
        
                JavascriptExecutor jsDriver = (JavascriptExecutor) driver;//将java中的driver强制转型为JS类型
                jsDriver.executeScript("window.scrollTo(0, 50)");
                jsDriver.executeScript("window.scrollTo(0, document.body.scrollHeight-20)");
                SeleniumUtil.sleep(500);
                jsDriver.executeScript("window.scrollTo(0, document.body.scrollHeight +1)");
                SeleniumUtil.sleep(2000);
    
                webElements = mainSelectE.findElements(By.cssSelector("article.blog-list-box>a"));
    
                // 如果上一次的文章数
                //    等于 当前页面的文章数：文章已全部读取完
                //    否则，继续加载下一页
                if( webElements.size() == prePoint){
        
                    for(WebElement element : webElements ){
        
                        System.out.println(  element.getAttribute("href")  );
                        blogUrlList.add(element.getAttribute("href"));
                    }
                    log.info("文章已全部读取完");
                    break;
                } else {
        
                    prePoint = webElements.size();
                }
    
                //如果加载的数据超过或等于 要求的最大长度，返回现在已加载的数据
                if( webElements.size() >= topNum ) {
        
                    for(WebElement element : webElements ){
        
                        System.out.println(  element.getAttribute("href")  );
                        blogUrlList.add(element.getAttribute("href"));
                    }
                    log.info("文章已读取 {} 条，最大限制 {} 条！" , webElements.size() , topNum);
                    break;
                }
            }
            log.info("blogUrlList size:{}" , blogUrlList.size());
            log.info("blogUrlList:{}" , new Gson().toJson(blogUrlList) );
    
            List<CsdnBlogInfo> csdnBlogInfoList = null;
            if(CollectionUtils.isEmpty(blogUrlList)) {
        
                log.info("此博主没有发表文章！");
            } else {
        
                log.info("此博主有文章，开始解析文章质量分！");
                csdnBlogInfoList = new ArrayList<>();
                for (String blogUrl : blogUrlList) {
        
                    try{
        
                        CsdnBlogInfo csdnBlogInfo = this.csdnQcBySelenium(blogUrl);
                        if( null != csdnBlogInfo ) {
        
                            csdnBlogInfoList.add(csdnBlogInfo);
                        }
                    } catch (Exception e) {
        
                        log.info("解析文章质量分失败,文章：{}" , blogUrl);
                    }
    
                }
    
                if(CollectionUtils.isEmpty(csdnBlogInfoList)) {
        
                    log.info("解析文章质量分失败！");
                } else {
        
                    log.info("此博主质量分如下：");
                    log.info(new Gson().toJson(csdnBlogInfoList));
                }
    
            }
            driver.quit();
            log.info("读取数据完毕！the end!");
        }
    
        public static void main(String[] args) {
        
            CsdnQcService csdnQcService = new CsdnQcService();
            csdnQcService.allBlogQcDataBySelenium();
        }
    
    
    }

--------------------

## 总结 ##

通过Java+Selenium查询某个博主的Top40文章质量分至此结束，优化空间还有很大，以实现效果为主。

[Java_Selenium]: https://blog.csdn.net/s445320/article/details/131347069
[Java_Selenium_Top40]: https://blog.csdn.net/s445320/article/details/131368665
[Java_Selenium_Top100]: https://blog.csdn.net/s445320/article/details/131407965
[4cb02404e3aa47879ae472cac30668a1.png]: https://img-blog.csdnimg.cn/4cb02404e3aa47879ae472cac30668a1.png
[Java]: https://blog.csdn.net/s445320/article/details/89326337
[0ebb1caa66704cbf964cafc95bf2ef6d.png]: https://img-blog.csdnimg.cn/0ebb1caa66704cbf964cafc95bf2ef6d.png