Object转对象 对象转Object Object转json json转对象

        <dependency>
            <groupId>net.sf.json-lib</groupId>
            <artifactId>json-lib</artifactId>
            <version>2.4</version>
            <classifier>jdk15</classifier>
        </dependency>

引用json

//对象
SysUser user = null;

//对象取值 自己的业务方法
user = loginService.login(name, psd);

//对象转obj
Object ss=JSONObject.toBean(JSONObject.fromObject(user),SysUser.class)

//obj转JSONObject
JSONObject user_obj = JSONObject.fromObject(ss);

//json转对象
SysUser user=(SysUser) JSONObject.toBean(user_obj,SysUser.class);