JSON、Map、List格式转换-创新互联

import com.alibaba.fastjson.JSONObject;

public static void main(String[] args) {
        Mapmap = new HashMap();
        map.put("workCode","123");
        map.put("password","456");
        System.out.println("map===>>>>>>>>"+map);//{password=456, workCode=123}

        String workCode = map.get("workCode");
        String password = map.get("password");

        JSONObject jsonObject = new JSONObject();
        jsonObject.put("workCode",workCode);
        jsonObject.put("password",password);
        System.out.println("jsonObject====>>>>>>>>"+jsonObject);//{"password":"456","workCode":"123"}

        ArrayList list = new ArrayList<>();
        list.add(jsonObject);
        JSONObject json = new JSONObject();
        json.put("data",list);
        System.out.println("json======>>>>>>>>>>"+json);//{"data":[{"password":"456","workCode":"123"}]}

        StrBuilder strBuilder = new StrBuilder();
        String str= "...,";
        strBuilder.append(str);
        String substring = str.substring(0, str.length() - 1);
        System.out.println(substring);
    }

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