maven依赖
com.alibaba fastjson1.2.62
// 将JSON字符串转为Java对象
String jsonString;
Example e = JSON.parseObject(jsonString, Example.class);
//反转
String jsonString = JSON.toJSONString(example);
// 响应数据
response.setContentType("text/json;charset=utf-8");
response.getWriter().write(jsonString);



