java spring mvc 自省机制填充
jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
//JSP页面
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>录入页面</title>
</head>
<body>
<div id="main">
<form action="user.htm" id="userForm" method="POST">
<span class="title">姓名：</span>
<span><input name="name" value="${user.name}" /></span><br />
<span class="title">生日:</span>
<span><input name="birthday"
value="<fmt:formatDate value='${user.birthday}' pattern='yyyy-MM-dd'/>" />
(日期格式：yyyy-MM-dd)
</span><br />
<span><input type="submit" value="提交" /></span>
<span>
<input type="hidden"" name="op" value="${op}" />
<input type="hidden"" name="id" value="${user.id}" />
</span>
</form>
</div>
</body>
</html>
//User.java实体类
package spr.domain;
import java.io.Serializable;
import java.util.Date;
@SuppressWarnings("serial")
public class User implements Serializable {
private Integer id;
private String name;
private Date birthday;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
}
控制类（action controller）
package spr.web;
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;
import spr.domain.*;
import spr.service.*;
@Controller
@RequestMapping("/user.htm")
public class UserController {
@Autowired
private UserServiceAble userService;
//日期类型映射器
@InitBinder
public void initBinder(WebDataBinder binder){
SimpleDateFormat df= new SimpleDateFormat("yyyy-MM-dd");
binder.registerCustomEditor(Date.class, new CustomDateEditor(df, false));
}
@RequestMapping(params="op=doAdd")
public String doAdd(User user){
System.out.println(user.getName());
userService.addUser(user);
return "redirect:user.htm?op=list";
}
}
