t01_json_str

JSONUtil工具类

JSONUtil.toJsonStr：转换为json字符串

JSONUtil.toBean(strUser,User.class)：json字符串转换为User

@Data
public class User {
    private String username;
    private String password;
}

public static void main(String[] args) {
    User user=new User();
    user.setPassword("abcdefg");
    user.setUsername("123456");
    System.out.println(user);
}
输出：
User(username=123456, password=abcdefg)

// 转换为json字符串
String strUser= JSONUtil.toJsonStr(user);
System.out.println(strUser);
// json字符串转换为User
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