[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 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 getCustomers() { return customers; } public void setCustomers(List 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 users = new ArrayList(); { //----------------------------------------------- // 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 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 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" %>   
" method="post">  User:${user.name}
 Create time:
 Is girl:  YesNoN/A
 Checkboxs:  ${item}, 
 Age:${user.age}
 E-mail:${user.email}
 
 
 
 
Company name
User
Create time
 
 
${item.company}
${item.user.name}
 User name: 
 Is girl: YesNo
 Checkboxs: 123
 Age:
 E-mail:
 Create time: 
 Company: