[原创]java WEB学习笔记63：Struts2学习之路--表单标签 用户注册模块

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1.需求：

　　

2.代码：

代码结构

　　

 package com.jason.struts2.app;

 public class Role {

     private Integer roleId;
     private String roleName;

     public Integer getRoleId() {
         return roleId;
     }

     public void setRoleId(Integer roleId) {
         this.roleId = roleId;
     }

     public String getRoleName() {
         return roleName;
     }

     public void setRoleName(String roleName) {
         this.roleName = roleName;
     }

     public Role(Integer roleId, String roleName) {
         super();
         this.roleId = roleId;
         this.roleName = roleName;
     }

     public Role() {
         super();
     }

 }

Role.java

 package com.jason.struts2.app;

 public class Department {
     private Integer deptId;
     private String deptName;

     public Integer getDeptId() {
         return deptId;
     }

     public void setDeptId(Integer deptId) {
         this.deptId = deptId;
     }

     public String getDeptName() {
         return deptName;
     }

     public void setDeptName(String deptName) {
         this.deptName = deptName;
     }

     public Department(Integer deptId, String deptName) {
         super();
         this.deptId = deptId;
         this.deptName = deptName;
     }

     public Department() {
         super();
     }

 }

Department

 package com.jason.struts2.app;

 import java.util.ArrayList;
 import java.util.List;

 public class Dao {

     public List<Department> getDepartments(){

         List<Department> list = new ArrayList<Department>();
         list.add(new Department(1001,"AA"));
         list.add(new Department(1002,"BB"));
         list.add(new Department(1003,"CC"));
         list.add(new Department(1004,"DD"));
         list.add(new Department(1005,"EE"));
         list.add(new Department(1006,"FF"));

         return list;
     }

     public List<Role> getRoles(){
         List<Role> roles = new ArrayList<Role>();
         roles.add(new Role(2001,"xx"));
         roles.add(new Role(2002,"yy"));
         roles.add(new Role(2003,"zz"));

         return roles;
     }

 }

Dao

 package com.jason.struts2.app;

 import java.util.List;
 import java.util.Map;

 import org.apache.struts2.interceptor.RequestAware;

 public class Employee implements RequestAware {

     private Map<String, Object> requestMap = null;
     private Dao dao = new Dao();

     private String name;
     private String password;

     private String gender;
     private String dept;
     private List<String> roles;
     private String desc;

     public String save() {

         System.out.println("save:" + this);
         return "save";
     }

     public String input() {
         requestMap.put("depts", dao.getDepartments());
         requestMap.put("roles", dao.getRoles());
         return "input";
     }

     @Override
     public void setRequest(Map<String, Object> requestMap) {
         this.requestMap = requestMap;

     }

     public String getName() {
         return name;
     }

     public void setName(String name) {
         this.name = name;
     }

     public String getPassword() {
         return password;
     }

     public void setPassword(String password) {
         this.password = password;
     }

     public String getGender() {
         return gender;
     }

     public void setGender(String gender) {
         this.gender = gender;
     }

     public String getDept() {
         return dept;
     }

     public void setDept(String dept) {
         this.dept = dept;
     }

     public List<String> getRoles() {
         return roles;
     }

     public void setRoles(List<String> roles) {
         this.roles = roles;
     }

     public String getDesc() {
         return desc;
     }

     public void setDesc(String desc) {
         this.desc = desc;
     }

     @Override
     public String toString() {
         return "Employee [name=" + name + ", password=" + password
                 + ", gender=" + gender + ", dept=" + dept + ", roles=" + roles
                 + ", desc=" + desc + "]";
     }

 }

Employee

 <%@ 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">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>Insert title here</title>
 </head>
 <body>

     <a href="emp-input.action">Emp Input Page</a>    

 </body>
 </html>

index.jsp

 <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <!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>Insert title here</title>
 </head>
 <body>

     <s:form action="emp-save">
         <s:textfield name="name" label="Name"></s:textfield>
         <s:password  name="password" label="Password" showPassword="true"></s:password>

         <s:radio name="gender" list="#{'1':'Male','0':'Female'}"  label="Gender"></s:radio>

         <s:select name="dept" list="#request.depts" listKey="deptId" listValue="deptName" label="Department"></s:select>
         <s:checkboxlist name ="roles" list="#request.roles" listKey="roleId" listValue="roleName" label="Role"></s:checkboxlist>
         <s:textarea name="desc" label="Desc"></s:textarea>
         <s:submit></s:submit>
     </s:form>

 </body>
 </html>

input.jsp

 <%@ 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">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>Insert title here</title>
 </head>
 <body>

     Name:${name }
     <br><br>
     Password:${password }
     <br><br>
     Department:${dept }
     <br><br>
     Roles:${roles }
     <br><br>
     Desc:${desc }
     <br><br>

 </body>
 </html>

save.jsp

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE struts PUBLIC
     "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
     "http://struts.apache.org/dtds/struts-2.3.dtd">

 <struts>

     <constant name="struts.ognl.allowStaticMethodAccess" value="true"></constant>
      <constant name="struts.action.extension" value="action,do,"></constant>
      <package name="default" namespace="/" extends="struts-default">
 <action name="emp-*" class="com.jason.struts2.app.Employee" method="{1}">
                  <result name="{1}">/app/{1}.jsp</result>

          </action>

      </package>

struts.xml