页面报错: 后台错误: Field error in object 'user' on field 'birthday': rejected value [2013-06-24]; codes [typeMismatch.user.birthday,typeMismatch.birthday,typeMismatch.java.util.Date,typeMismatch]; arguments [org.springframework.context.support.DefaultMessag
10.实体类(POJO)参数的赋值(form表单)原理 10.1.原理解析 测试用例 准备好两个实体类 public class Person { private String name; private Integer age; private Pet pet; } public class Pet { private String name; private Integer age; } html的form表单 注意这个 宠物Pet对象的name不能乱写 必须要和 person中定义的名称一
<%@ page language="java" contentType="text/html; charset=GBK" pageEncoding="GBK"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <htm
在JAVA中用等号对类对象进行赋值,实际上操作的是对象的地址. eg: package MyText; class ClassA { int value; public void seta(int value) { this.value = value; } public void show() { System.out.println("the value:" + value); } } public class MyText { public static void main (S