Spring MVC---数据绑定和表单标签详解

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>

<form:form modelAttribute="user" method="post" action="userSave">
  <fieldset>
    <p>
      <label for="name">用户名:</label>
      <form:input path="userName"/>
    </p>
  </fieldset>
</form:form>

public class User {
  private String userName; //用户名
  private String password; //密码
  private Integer sex;   //性别
  private boolean marriage; //是否结婚
  private ArrayList<String> hobby;    //兴趣爱好
  private ArrayList<String> contacts;//人脉
  private String carrer;  //职业
  private String houseRegister;  //户籍
  private String remark;  //个人描述
  public String getRemark() {
    return remark;
  }
  public void setRemark(String remark) {
    this.remark = remark;
  }
  public String getHouseRegister() {
    return houseRegister;
  }
  public void setHouseRegister(String houseRegister) {
    this.houseRegister = houseRegister;
  }
  public String getCarrer() {
    return carrer;
  }
  public void setCarrer(String carrer) {
    this.carrer = carrer;
  }
  public String getUserName() {
    return userName;
  }
  public void setUserName(String userName) {
    this.userName = userName;
  }
  public String getPassword() {
    return password;
  }
  public void setPassword(String password) {
    this.password = password;
  }
  public Integer getSex() {
    return sex;
  }
  public void setSex(Integer sex) {
    this.sex = sex;
  }
  public boolean isMarriage() {
    return marriage;
  }
  public void setMarriage(boolean marriage) {
    this.marriage = marriage;
  }
  public ArrayList<String> getHobby() {
    return hobby;
  }
  public void setHobby(ArrayList<String> hobby) {
    this.hobby = hobby;
  }
  public ArrayList<String> getContacts() {
    return contacts;
  }
  public void setContacts(ArrayList<String> contacts) {
    this.contacts = contacts;
  }
}

@Controller
public class ProductController {
  private static final Log logger = LogFactory.getLog(ProductController.class);
  
  @Autowired
  private UserService userService;
  
  @RequestMapping(value="/userInput")
  public String inputUser(Model model){
    HashMap<Integer, String> hobbys = new HashMap<Integer, String>();
    hobbys.put(1, "篮球");
    hobbys.put(2, "羽毛球");
    hobbys.put(3, "台球");
    hobbys.put(4, "游泳");
    model.addAttribute("user", new User());
    model.addAttribute("hobbys", hobbys);
    model.addAttribute("carrers",new String[]{"教师","学生","医生","IT民工","其它"});
    return "UserAdd";
  }
  @RequestMapping(value="/userSave")
  public String addUser(@ModelAttribute User user){
    userService.addUser(user);
    return "redirect:/userList";
  }
  @RequestMapping(value="/userList")
  public String listUsers(Model model){
    List<User> users = userService.getUsers();
    model.addAttribute("users", users);
    return "UserList";
  }
}

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
 <servlet>
   <servlet-name>springmvc</servlet-name>
   <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
   <init-param>
     <param-name>contextConfigLocation</param-name>
     <param-value>/WEB-INF/config/springmvc-config.xml</param-value>
   </init-param>
   <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
   <servlet-name>springmvc</servlet-name>
   <url-pattern>/</url-pattern>
 </servlet-mapping>
 <!-- 避免中文乱码 -->
 <filter> 
    <filter-name>characterEncodingFilter</filter-name> 
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 
    <init-param> 
      <param-name>encoding</param-name> 
      <param-value>UTF-8</param-value> 
    </init-param> 
    <init-param> 
      <param-name>forceEncoding</param-name> 
      <param-value>true</param-value> 
    </init-param> 
  </filter> 
  <filter-mapping> 
    <filter-name>characterEncodingFilter</filter-name> 
    <url-pattern>/*</url-pattern> 
  </filter-mapping> 
</web-app>

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Add a User</title>
</head>
<body>
<div id="global">
<form:form modelAttribute="user" method="post" action="userSave">
  <fieldset>
    <legend>Add a User</legend>
    <p>
      <label>用户名:</label>
      <form:input path="userName"/>
    </p>
    <p>
      <label>密码:</label>
      <form:password path="password"/>
    </p>
    <p>
      <label>婚姻:</label>
      <form:checkbox path="marriage" value="已婚"/>
    </p>
    <p>
      <label>爱好:</label>
      <form:checkboxes items="${hobbys}" path="hobby"/>
    </p>
    <p>
      <label>人脉:</label>
      <form:checkbox path="contacts" value="张三"/>张三
      <form:checkbox path="contacts" value="李四"/>李四
      <form:checkbox path="contacts" value="王五"/>王五
      <form:checkbox path="contacts" value="赵六"/>赵六
    </p>
    <p>
      <label>职业:</label>
      <form:select path="carrer"> 
        <option/>请选择职业
        <form:options items="${carrers }"/>
      </form:select>
    </p>
    <p>
      <label>户籍:</label>
      <form:select path="houseRegister">
        <option>请选择户籍</option>
        <option value="1">北京</option>
        <option value="2">上海</option>
        <option value="3">广州</option>
        <option value="4">深圳</option>
        <option value="5">其它</option>
      </form:select>
    </p>
    <p>
      <label>个人描述:</label>
      <form:textarea path="remark" rows="5"/>
    </p>
    <p id="buttons">
      <input id="reset" type="reset">
      <input id="submit" type="submit" value="Add User">
    </p>
  </fieldset>
</form:form>
</div>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<div id="global">
  <h1>User List</h1>
  <a href="<c:url value="/userInput"/>">Add User</a>
  <table>
    <tr>
      <th>用户名</th>
      <th>密码</th>
      <th>性别</th>
      <th>婚姻</th>
      <th>兴趣爱好</th>
      <th>人脉</th>
      <th>职业</th>
      <th>户籍</th>
      <th>个人描述</th>
    </tr>
    <c:forEach items="${users }" var="user">
      <tr>
        <td>${user.userName }</td>
        <td>${user.password }</td>
        <td>${user.sex }</td>
        <td>${user.marriage }</td>
        <td>${user.hobby }</td>
        <td>${user.contacts }</td>
        <td>${user.carrer }</td>
        <td>${user.houseRegister }</td>
        <td>${user.remark }</td>
      </tr>
    </c:forEach>
  </table>
</div>
</body>
</html>