lombok @Data @ToString 调用tostring转化后的字符串转json字符串

public static class Square  {  
    private final int width, height;  
      
    public Square(int width, int height) {  
      this.width = width;  
      this.height = height;  
    }  
      
    @Override
   public String toString() {  
      return "Square(width=" + this.width + ", height=" + this.height + ")";  
    }  
  }  
 

//Square(width=10, height=20)

    /**
     * lombok tostring 转化后字符串转json
     * @param str
     * @param tClass
     * @param <T>
     * @return
     */
    private static  <T> String toJsonStr(String str, Class<T> tClass) {
        if (StringUtil.isEmpty(str)) {
            return null;
        }
        str = str.replace(")", "}");
        while (str.indexOf("(") != -1) {
            int i = str.indexOf("(");
            str = str.substring(0, str.lastIndexOf("=", i) + 1) + "{" + str.substring(i + 1);
        }
        str = str.replace(" ", "")
                .replace("=", "\"=\"")
                .replace(",", "\",\"")
                .replace("\"null\"", "null")
                .replace("\"{", "{\"")
                .replace("}\"", "}")
                .replace("}", "\"}")
                .replace("\"}\"}","\"}}");

        str = "\"" + str.replace("=", ":");
        if ("\"{".equals(str.substring(0,2))){
            str = "{\"" +str.substring(2) ;
        }else {
            str = str.substring(str.indexOf(":") + 1);
        }
        str = str.replace("\"null\"", "null");
        JSONObject json = JSONObject.parseObject(str);
        if (tClass == null){
            return str;
        }
        return JSONObject.toJSONString(json.toJavaObject(json, tClass));
    }

    // 测试
    public static void main(String[] args) {
        String str = "userDto=userDto(username=张三, age=20,abc=abc(id=abcdefg))";
        System.out.println(toJsonStr(str,null));
    }
    // 结果： {"username":"张三","age":"20","abc":{"id":"abcdefg"},"abc":"abc"}