Gson 生成和解析带Date类型的json

<span style="font-family:Microsoft YaHei;font-size:18px;">/**
* gson解析和生成带时间格式的数据
* @author Administrator
*/
public class gsondate {
static class User{
Date brith;
String name;
}

public static void main(String[] args) {

Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();
User user=new User();
user.name="lmw";
user.brith=new Date();
System.out.println(gson.toJson(user));

//Gson gson=new Gson();
String jsonStr="{'brith':'2013-11-20','name':'lmw'}";
User uu=gson.fromJson(jsonStr, User.class);
System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(uu.brith));
}
}</span>