public static Set
    
      getImgStr(String htmlStr) {
      Set
     
       pics = new HashSet<>();     String img = "";     Pattern p_image;     Matcher m_image;     //     String regEx_img = "
      
       ]*?>"; //图片链接地址     String regEx_img = "
       
        ]*?>";     p_image = Pattern.compile             (regEx_img, Pattern.CASE_INSENSITIVE);     m_image = p_image.matcher(htmlStr);     while (m_image.find()) {
          // 得到
        数据         img = m_image.group();         // 匹配
        中的src数据         Matcher m = Pattern.compile("src\\s*=\\s*\"?(.*?)(\"|>|\\s+)").matcher(img);         while (m.find()) {
              pics.add(m.group(1));         }     }     return pics; }