关于String转换json报错

Question

String rs="[ { "name": "UserName", "displayName": "Username"},{ "name": "WeeksSinceRegistration", "displayName": "Weeks Since Registration" }]";

A JSONObject text must begin with '{' at character 1 of [ame of the这是报错息

JSONObject obj = JSONObject.fromObject(rs);
List> map = (List>) JSONObject.toBean(obj, List.class);

Answer 1

先添加 json 架包

    String rs="[ { 'name': 'UserName','displayName': 'Username'},{ 'name': 'WeeksSinceRegistration', 'displayName': 'Weeks Since Registration' }]";
        JSONArray arr =JSONArray.fromObject(rs);
        for(Object o:arr){
                JSONObject b=JSONObject.fromObject(o);
                System.out.println(b.get("name"));
        }
    ```