[Spring MVC] -简单表单提交实例

package com.my.controller.bean;import java.util.Date;import java.util.List;import javax.validation.constraints.Future;import javax.validation.constraints.Max;import javax.validation.constraints.Min;import javax.validation.constraints.NotNull;import org.hibernate.validator.constraints.Email;import org.hibernate.validator.constraints.Length;import org.hibernate.validator.constraints.NotEmpty;public class User {    private long id;    @Length(min=2, max=50, message="User name length range = 2-50")  private String name;    @Future(message="时间不能小于今天")  private Date createTime;    @NotEmpty(message="Customer不能为空")  private List<Customer> customers;    @NotNull(message="Girl不能为空")  private boolean girl;    private String[] cbx;    @NotNull(message="Age can NOT be Null")  @Min(value=18, message="最小18岁")  @Max(value=100, message="最大100岁")  private int age;    @Email(message="Email格式不正确")  private String email;    public long getId() {    return id;  }  public void setId(long id) {    this.id = id;  }  public String getName() {    return name;  }  public void setName(String name) {    this.name = name;  }  public Date getCreateTime() {    return createTime;  }  public void setCreateTime(Date createTime) {    this.createTime = createTime;  }  public List<Customer> getCustomers() {    return customers;  }  public void setCustomers(List<Customer> customers) {    this.customers = customers;  }  public boolean isGirl() {    return girl;  }  public void setGirl(boolean girl) {    this.girl = girl;  }  public String[] getCbx() {    return cbx;  }  public void setCbx(String[] cbx) {    this.cbx = cbx;  }  public int getAge() {    return age;  }  public void setAge(int age) {    this.age = age;  }  public String getEmail() {    return email;  }  public void setEmail(String email) {    this.email = email;  }}

package com.my.controller;import java.util.ArrayList;import java.util.Date;import java.util.List;import javax.validation.Valid;import org.springframework.stereotype.Controller;import org.springframework.validation.BindingResult;import org.springframework.validation.FieldError;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.servlet.ModelAndView;import com.my.controller.bean.Customer;import com.my.controller.bean.User;@Controller@RequestMapping(value="/post")public class TestPostController {    private static List<User> users = new ArrayList<User>();  {    //-----------------------------------------------    // 设置Entity    // -----------------------------------------------    users.add(new User());    User user = users.get(0);    user.setId(1);    user.setName("Robin");    user.setCreateTime(new Date());    user.setGirl(true);    user.setCbx(new String[] {"1", "2", "3"});    user.setAge(18);    user.setEmail("abcd@abc.com");        user.setCustomers(new ArrayList<Customer>());    Customer customer1 = new Customer();    customer1.setId(1);    customer1.setCompany("Company - 1");    customer1.setCreateTime(new Date());    customer1.setUser(user);    user.getCustomers().add(customer1);        Customer customer2 = new Customer();    customer2.setId(1);    customer2.setCompany("Company - 2");    customer2.setCreateTime(new Date());    customer2.setUser(user);    user.getCustomers().add(customer2);  }    @RequestMapping  public ModelAndView index() {    ModelAndView view = new ModelAndView("TestPost/index");    view.addObject("users", users);    return view;  }    @RequestMapping(value="/addUser", method=RequestMethod.POST)  public ModelAndView addUser(@ModelAttribute @Valid User user, BindingResult result) {    ModelAndView view = new ModelAndView("redirect:/post");        if(result.hasErrors()) {      List<FieldError> errors = result.getFieldErrors();      for(FieldError err : errors) {        System.out.println("ObjectName:" + err.getObjectName() + "/tFieldName:" + err.getField()            + "/tFieldValue:" + err.getRejectedValue() + "/tMessage:" + err.getDefaultMessage());      }      view.addObject("users", users);      return view;    }        user.setId(users.size() + 1);    user.getCustomers().get(0).setId(1);    user.getCustomers().get(0).setUser(user);    users.add(user);    view.addObject("users", users);    return view;  }  }

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ page import="com.my.controller.bean.*" %><%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%><%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %><%@ taglib prefix="st" uri="http://www.springframework.org/tags" %><%@ taglib uri="http://www.springframework.org/tags/form" prefix="sf" %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Index</title></head><body>  <fmt:setLocale value="zh_cn" />  <form action="<st:url value="/post/addUser"></st:url>" method="post">    <c:forEach items="${users}" var="user">      User:${user.name}<br/>      Create time:<fmt:formatDate value="${user.createTime}"/><br/>      Is girl:      <c:choose>        <c:when test="${user.girl}">Yes</c:when>        <c:when test="${!user.girl}">No</c:when>        <c:otherwise>N/A</c:otherwise>      </c:choose>      <br/>      Checkboxs:      <c:forEach items="${user.cbx}" var="item">        ${item},      </c:forEach>      <br/>      Age:${user.age}<br/>      E-mail:${user.email}<br/>      <hr/>          <table style="width:100%;border:1px solid #ccc;">        <thead>          <tr style="text-align:left; background-color:#eee;">            <th>Company name</th>            <th>User</th>            <th>Create time</th>          </tr>        </thead>        <tbody>          <c:forEach items="${user.customers}" var="item">          <tr>            <td>${item.company}</td>            <td>${item.user.name}</td>            <td><fmt:formatDate value="${item.createTime}" pattern="yyyy-MM-dd"/></td>          </tr>          </c:forEach>        </tbody>      </table>      <hr/>    </c:forEach>        User name:    <input type="text" name="name" id="name" /><br/>    Is girl:    <input type="radio" name="girl" id="isGirl" value="true" checked="checked" /><label for="isGirl">Yes</label>    <input type="radio" name="girl" id="noGirl" value="false" /><label for="noGirl">No</label><br/>    Checkboxs:    <input type="checkbox" name="cbx" id="cbx1" value="1" /><label for="cbx1">1</label>    <input type="checkbox" name="cbx" id="cbx2" value="2" /><label for="cbx2">2</label>    <input type="checkbox" name="cbx" id="cbx3" value="3" /><label for="cbx3">3</label>    <br/>    Age:<input type="text" name="age" id="age" /><br/>    E-mail:<input type="text" name="email" id="email" /><br/>    Create time:    <input type="text" name="createTime" id="createTime" /><br/>    Company:    <input type="text" name="customers[0].company" id="customers[0].company" /><br/>    <input type="submit" value="add" />    <sf:errors path="*"></sf:errors>  </form>  <hr/></body></html>