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struts2+hibernate3+spring3（ssh2)框架下的web应用

2013-12-26 00:00 190 查看
摘要: 让我们先login吧！

是骡子是马，跑两步就知道了，所以先写个程序跑起来再说。首先建立个空的数据库在MySql里面，名字叫sbpms，然后建立一个表叫User，表有id，用户名，密码，角色，上级，邮箱。所以如下操作。



再插入一条数据INSERT INTO `user` VALUES (1,'ROOT',123','root@root.com',0,0);

然后在Eclipse的WebContent下WEB-PAGE根目录下创建两个jsp页面。Login.jsp和Test.jsp

Login.jsp内容为

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>Login</title>
</head>
<body id="login">
<center>
<s:actionerror id="actionError"/>
</center>
<s:form action="login">
<s:textfield name="user.name" label="name"></s:textfield>
<s:password name="user.password" label="password"></s:password>
<s:submit></s:submit>
</s:form>
</body>
</html>

Test.jsp内容为

<%@ page language="java" import="java.util.*" 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>Test</title>
</head>
<body>
Test
</body>
</html>




然后在src的action中添加

ManageUserAction

.java

内容为

package com.sbpms.action;

import com.opensymphony.xwork2.ActionSupport;
import com.sbpms.bean.User;
import com.sbpms.service.UserService;

/**
* This action is used to validate and deal with login processing
* @author IanLi
*
*/
@SuppressWarnings("serial")
public class ManageUserAction extends ActionSupport {

private UserService service;
private User user;

public UserService getService() {

return service;
}

public void setService(UserService service) {

this.service = service;
}

public User getUser() {

return user;
}

public void setUser(User user) {

this.user = user;
}

/*
* This method is used to the login JSP, include the operations of call
* database and do validation.
*/
public String login() throws Exception {
switch (this.user.getRole()) {
case 0:
return SUCCESS;
case 1:
return SUCCESS;
case 2:
return SUCCESS;
case 3:
return SUCCESS;
case 4:
return SUCCESS;
default:
return INPUT;
}

}

public void validateLogin() {

this.clearActionErrors();

if (null == this.user) {
this.addActionError("User name must not be empty");
return;
}

// Judge the the name input by whether it is empty.
if (this.user.getName() == "" || null == this.user.getName()) {
this.addActionError("User name must not be empty");
} else {

System.out.println(this.user.toString());

// Judge the password input by whether it it empty.
if (this.user.getPassword().isEmpty()
||null == this.user.getPassword()) {
this.addActionError("Password must not be empty");
} else {

// Judge the input name and password by whether they are accord
// with the database.
this.user = this.service.login(this.user);
if (null == this.user) {
this.addActionError("User name or Password error");
this.user = null;
} else {
}
}
}

}
}


在com.sbpms.bean中添加User.java和User.hbm.xml文件

User.java为

package com.sbpms.bean;

/**
*Bean for save the user
*
* @author IanLi
*/
public class User {

private String pre_password;
private Integer id;
private String name;
private String password;
private String e_mail;
private int role;
private int report_to;

public String getPre_password() {
return pre_password;
}

public void setPre_password(String pre_password) {
this.pre_password = pre_password;
}

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 String getPassword() {
return password;
}

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

public String getE_mail() {
return e_mail;
}

public void setE_mail(String e_mail) {
this.e_mail = e_mail;
}

public int getRole() {
return role;
}

public void setRole(int role) {
this.role = role;
}

public int getReport_to() {
return report_to;
}

public void setReport_to(int report_to) {
this.report_to = report_to;
}

@Override
public String toString()
{
return name+"  "+password;
}

}


User.hbm.xml为

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.sbpms.bean">
<!-- <generator class="increment"/> -->
<class name="User" table="user">
<id name="id" column="id" type="java.lang.Integer">
<generator class="increment"></generator>
</id>
<property name="name" column="name" type="java.lang.String"></property>
<property name="password" column="password" type="java.lang.String"></property>
<property name="e_mail" column="e_mail" type="java.lang.String"></property>
<property name="role" column="role" type="java.lang.Integer"></property>
<property name="report_to" column="report_to" type="java.lang.Integer"></property>
</class>
</hibernate-mapping>

接着开始写业务逻辑层

我将dao层和service层都用接口申明，然后在其impl子文件夹下实现。这样使得项目具有更好的扩展性。

下面是com.sbpms.dao下面建立UserDao.java，内容为

package com.sbpms.dao;

import com.sbpms.bean.User;

/**
* Define the interface of User DAO
*
* @author IanLi
*/
public interface UserDao {

/**
* Get the information of the user
*
* @param user
*            the user with information of name and password
* @return the detail information of the user ligin
*/
public User selectUser(User user);
}


com.sbpms.dao.impl下建立UserDaoImpl.java内容为

package com.sbpms.dao.impl;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.sbpms.bean.User;
import com.sbpms.dao.UserDao;

/**
* The implements for User DAO interface
*
* @author IanLi
*/
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {

/*
* Search the user from database and judge whether it is correct.
*
* @see
* com.augmentum.ian.ihds.dao.UserDao#searchUser(com.augmentum.ian.ihds.
* bean.User)
*/
@SuppressWarnings("unchecked")
@Override
public User selectUser(User user) {

String sqlString = "from User user where user.name=?";
String name = user.getName();
List<User> userList = this.getHibernateTemplate().find(sqlString,
name);
if (userList.size() != 0) {
// If the database return more than one user by the name, We only
// get the first one. In fact this is a wrong database.
User userR = userList.get(0);
// Judge the name and the password between the input and which get
// from database.
if (userR.getName().equals(user.getName())
&& userR.getPassword().equals(user.getPassword())) {
return userR;
}
return null;
}
return null;
}
}

com.sbpms.service下建立UserService.java,内容为

package com.sbpms.service;

import com.sbpms.bean.User;

/**
* Define the interface for the User DAO
*
* @author IanLi
*/
public interface UserService {

/**
* Used to get message of who login
*
* @param user
*            the information of the name and password that who login
* @return the detail information of user who login
*/
public User login(User user);
}

com.sbpms.service.impl下建立UserServiceImpl.java内容为

package com.sbpms.service.impl;

import com.sbpms.bean.User;
import com.sbpms.dao.UserDao;
import com.sbpms.service.UserService;

/**
*The implement of user service. Accomplish most business logic here
*
* @author IanLi
*/
public class UserServiceImpl implements UserService {

private UserDao userDao;
private User newUserForService;

public UserDao getUserDao() {

return userDao;
}

public void setUserDao(UserDao userDao) {

this.userDao = userDao;
}

public User getNewUserForService() {

return newUserForService;
}

public void setNewUserForService(User newUserForService) {

this.newUserForService = newUserForService;
}

/*
* Get message of user who login
*/
@Override
public User login(User user) {

return userDao.selectUser(user);

}

}




搞定，然后在Login.jsp上面点右键，run on service。得到输入界面，输入刚才插入的用户名root和密码123，得到成功的界面Test。如果输出错误，得到错误提示。









这样，第一个程序就运行起来了，成功的链接了数据库并进行了查询操作和页面错误提示。

完整的源代码我放在爱问上面，地址将在审核通过后给出。

code: http://ishare.iask.sina.com.cn/f/18694480.html
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