解析String内多对符号内部内容的操作，

     @Test
     public void testStorageImage(){
     

        String titleStem = "年后啊「2454683_1」不好吗";
        String titleStem2 = "不太好啊「2454683_1」不对吗「2222683_1」知道了";
      
        
        //题目里单个解析
        int begin = titleStem.indexOf("「");
        int end = titleStem.indexOf("」");
        String imageName = titleStem.substring(begin+1,end);
        System.out.println(imageName);


        //题目里多个解析,解析出问题，先放着，以后处理
        String[] imageNames = new String[100 ];
        int count = countStr(titleStem2,"「");
        for(int i=1;i<=count;i++){
            imageNames[i] = getIndexOfJson(titleStem2,i);
            System.out.println(imageNames[i]);
        }
    }

    //获取第几个目标字符串
    public String getIndexOfJson(String str, int index) {
        int beginindex = findStrIndex(str, "「", index);
        int endindex = findStrIndex(str, "」", index);
        str = str.substring(beginindex + 1, endindex);
        return str;
    }
   
    //获取第几个查询到的索引位置
    public int findStrIndex(String str, String cha, int num) {
        int x = str.indexOf(cha);
        for (int i = 0; i < num - 1; i++) {
            x = str.indexOf(cha, x + 1);
        }
        return x;
    }
    
    //查询字符串中有几个符号
    private int countStr(String str, String sToFind) {
        int num = 0;
        while (str.contains(sToFind)) {
            str = str.substring(str.indexOf(sToFind) + sToFind.length());
            num++;
        }
        return num;
    }