做一個OA系統(SSH)之登錄模塊(二)
后臺代碼
1.在com.qingshow.dao下新建接口LoginDAO類,代碼如下:
1 package com.qingshow.dao;
2
3 import com.qingshow.po.Users;
4
5 public interface LoginDAO {
6
7 public boolean login(String username,String password); //登錄
8
9 }
2
3 import com.qingshow.po.Users;
4
5 public interface LoginDAO {
6
7 public boolean login(String username,String password); //登錄
8
9 }
2.新建LoginDAOImpl類,代碼如下:
1 package com.qingshow.dao;
2
3 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
4
5 import com.qingshow.po.Users;
6
7 public class LoginDAOImpl extends HibernateDaoSupport implements LoginDAO {
8 // 登錄
9 public boolean login(String username, String password) {
10 boolean b = false;
11 String hql="from Users where username=? and password=?";
12 String paraVal[]={username,password};
13 try {
14 this.getHibernateTemplate().find(hql, paraVal);
15 b=true;
16 } catch (Exception e) {
17 e.printStackTrace();
18 }
19 return b;
20 }
21
26 }
27
2
3 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
4
5 import com.qingshow.po.Users;
6
7 public class LoginDAOImpl extends HibernateDaoSupport implements LoginDAO {
8 // 登錄
9 public boolean login(String username, String password) {
10 boolean b = false;
11 String hql="from Users where username=? and password=?";
12 String paraVal[]={username,password};
13 try {
14 this.getHibernateTemplate().find(hql, paraVal);
15 b=true;
16 } catch (Exception e) {
17 e.printStackTrace();
18 }
19 return b;
20 }
21
26 }
27
3.在com.qingshow.service下新建接口LoginService類,代碼如下:
1 package com.qingshow.service;
2
3 public interface LoginService {
4 public boolean login(String username, String password); //用戶登錄
5 }
6
2
3 public interface LoginService {
4 public boolean login(String username, String password); //用戶登錄
5 }
6
4.新建LoginServiceImpl類,代碼如下:
1 package com.qingshow.service;
2
3 import com.qingshow.dao.LoginDAO;
4
5 public class LoginServiceImpl implements LoginService {
6
7 private LoginDAO loginDAO;
8
9 public LoginDAO getLoginDAO() {
10 return loginDAO;
11 }
12
13 public void setLoginDAO(LoginDAO loginDAO) {
14 this.loginDAO = loginDAO;
15 }
16
17 // 用戶登錄
18 public boolean login(String username, String password) {
19
20 return this.loginDAO.login(username, password);
21 }
22
23 }
24
2
3 import com.qingshow.dao.LoginDAO;
4
5 public class LoginServiceImpl implements LoginService {
6
7 private LoginDAO loginDAO;
8
9 public LoginDAO getLoginDAO() {
10 return loginDAO;
11 }
12
13 public void setLoginDAO(LoginDAO loginDAO) {
14 this.loginDAO = loginDAO;
15 }
16
17 // 用戶登錄
18 public boolean login(String username, String password) {
19
20 return this.loginDAO.login(username, password);
21 }
22
23 }
24
5.配置applicationContext.Xml文件,如下:
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
</property>
<property name="url"
value="jdbc:microsoft:sqlserver://localhost:1433">
</property>
<property name="username" value="sa"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/qingshow/po/Users.hbm.xml</value></list>
</property></bean>
<!-- 配置DAO組件 ////////////////////////////////////////////////////////-->
<!-- 登錄管理 -->
<bean id="loginDAO" class="com.qingshow.dao.LoginDAOImpl">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<!-- 配置service業務組件 /////////////////////////////////////////////////// -->
<bean id="loginService" class="com.qingshow.service.LoginServiceImpl">
<property name="loginDAO">
<ref local="loginDAO"/>
</property>
</bean>
<!-- 配置Action組件 ///////////////////////////////////////////////////-->
<bean name="/login" class="com.qingshow.web.action.LoginAction">
<property name="loginService">
<ref local="loginService"/>
</property>
</bean>
</beans>
6.測試。在com.qingshow.test下新建LoginTest類,運行ok.代碼如下
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
</property>
<property name="url"
value="jdbc:microsoft:sqlserver://localhost:1433">
</property>
<property name="username" value="sa"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/qingshow/po/Users.hbm.xml</value></list>
</property></bean>
<!-- 配置DAO組件 ////////////////////////////////////////////////////////-->
<!-- 登錄管理 -->
<bean id="loginDAO" class="com.qingshow.dao.LoginDAOImpl">
<property name="sessionFactory">
<ref local="sessionFactory"/>
</property>
</bean>
<!-- 配置service業務組件 /////////////////////////////////////////////////// -->
<bean id="loginService" class="com.qingshow.service.LoginServiceImpl">
<property name="loginDAO">
<ref local="loginDAO"/>
</property>
</bean>
<!-- 配置Action組件 ///////////////////////////////////////////////////-->
<bean name="/login" class="com.qingshow.web.action.LoginAction">
<property name="loginService">
<ref local="loginService"/>
</property>
</bean>
</beans>
6.測試。在com.qingshow.test下新建LoginTest類,運行ok.代碼如下
1 package com.qingshow.test;
2
3 import org.springframework.context.ApplicationContext;
4 import org.springframework.context.support.FileSystemXmlApplicationContext;
5
6 import com.qingshow.po.Users;
7 import com.qingshow.service.LoginService;
8
9 public class LoginTest {
10
11 public static void main(String[] args) {
12
13 ApplicationContext context = new FileSystemXmlApplicationContext(
14 "src/applicationContext.xml");
15 LoginService loginService = (LoginService) context
16 .getBean("loginService");
17 Users user=new Users();
18
19 boolean b=false;
20 b=loginService.login("青秀","qingshow"); //可以測試一下中文是否有亂碼
21
22 if (b) {
23 System.out.println("ok");
24 } else {
25 System.out.println("error");
26 }
27 }
28 }
29
2
3 import org.springframework.context.ApplicationContext;
4 import org.springframework.context.support.FileSystemXmlApplicationContext;
5
6 import com.qingshow.po.Users;
7 import com.qingshow.service.LoginService;
8
9 public class LoginTest {
10
11 public static void main(String[] args) {
12
13 ApplicationContext context = new FileSystemXmlApplicationContext(
14 "src/applicationContext.xml");
15 LoginService loginService = (LoginService) context
16 .getBean("loginService");
17 Users user=new Users();
18
19 boolean b=false;
20 b=loginService.login("青秀","qingshow"); //可以測試一下中文是否有亂碼
21
22 if (b) {
23 System.out.println("ok");
24 } else {
25 System.out.println("error");
26 }
27 }
28 }
29
勤能補拙是良訓,一分辛苦一分才。--華羅庚
posted on 2009-11-13 17:30 qingshow123@QQ.com 閱讀(444) 評論(0) 編輯 收藏