//数据定义：===========================================class User{ String name; String password; String getName(){}void setName(){}}Gson gson=new Gson();
//===================//解析一条json数据：令str为[{"name":"21001","password":"21001"}] =======User user=new User();user=gson.fromJson(str,User.class);
//===================//解析多条json数据=====================================
//令str为[{"name":"21001","password":"21001"},{"name":"21001","password":"21001"},{"name":"21001","password":"21001"}]List<User> user_list;user_list=gson.fromJson(str, new TypeToken<List<User>>(){}.getType());
//===================//打包一条json数据=========User user=new User();初始化userstr=gson.toJson(user);
//===================//打包多条json数据=========List<User> user_list初始化user_liststr=gson.toJson(use_list);
//====================转载于:https://www.cnblogs.com/fenice/p/5034248.html
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