java SSH登陆存session

最新推荐文章于 2022-06-30 14:23:23 发布

有趣灵魂

最新推荐文章于 2022-06-30 14:23:23 发布

阅读量602

点赞数

CC 4.0 BY-SA版权

分类专栏： java 文章标签： java session 登陆

本文链接：https://blog.youkuaiyun.com/weixin_41849935/article/details/90404012

java 专栏收录该内容

3 篇文章

订阅专栏

博客介绍了Java项目的结构，包括bo存放实体类，以及Action、UserDao等相关部分。还提及了配置文件applicationContext.xml和struts.xml，在index.jsp中增加标签库<%@ taglib uri=\/struts-tags\ prefix=\s\%>，并展示返回信息的方式。

bo中存放实体类

Action中

    
    private Users users;
	private String userName;
	private String password;
	private String msg;//需要get set

    public String login(){
		if(userName.equals("")||password.equals("")){
			msg="用户名和密码不能为空";
			return "login";
			
		}else{
			Users u=usersService.login(userName, password);
			//存session 前台调用
			//用struts标签： <s:property value="#session.user.adminName" />
			//用EL表达式：${session.user.scadminName}
			//用java代码：<%=session.getAttribute("user.adminName")%>
			if(u!=null){
				HttpServletRequest request=(HttpServletRequest) ServletActionContext.getRequest();
				HttpSession session=request.getSession();
				session.setAttribute("user", u);
				return "ok";
			}else{
				msg="用户名或密码不正确";
				return "login";
			}
		}
	}

UserDao中

public Users login(String userName,String password);

UsersDAOImpl中

public Users login(String userName,String password) {
        List<Users> list=this.getHibernateTemplate().find("from Users where userName=? and password=?",userName,password);
		Users u=new Users();
		if(list.size()>0){
			u.setUserid(list.get(0).getUserid());
			u.setUserName(list.get(0).getUserName());
			u.setPassword(list.get(0).getPassword());
			u.setEmil(list.get(0).getEmil());
		}else{
			return null;
		}
		return u;
	}

UsersService中

public Users login(String userName,String password);

UsersServiceImpl

private UsersDAO usersDAO;//get set

public Users login(String userName,String password){
		return usersDAO.login(userName, password);
	}

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">


	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		<property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"></property>
		<property name="url" value="jdbc:sqlserver://localhost:1433;databaseName=Text"></property>
		<property name="username" value="sa"></property>
		<property name="password" value="qaz123"></property>
	</bean>
	<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
		<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/ssh/bo/Users.hbm.xml</value>
				<value>com/ssh/bo/Menu.hbm.xml</value></list>
		</property></bean>
		<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
			<property name="sessionFactory">
				<ref bean="sessionFactory" />
			</property>
		</bean>
		<bean id="baseTxProxy" abstract="true" lazy-init="true" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
   		<property name="transactionManager">
    		<ref bean="transactionManager" />
   		</property>
   		<property name="transactionAttributes">
    		<props>
     			<prop key="get*">PROPAGATION_NOT_SUPPORTED</prop>
     			<prop key="count*">PROPAGATION_NOT_SUPPORTED</prop>
     			<prop key="select*">PROPAGATION_NOT_SUPPORTED</prop>
				<prop key="find*">PROPAGATION_NOT_SUPPORTED</prop>
				<prop key="load*">PROPAGATION_NOT_SUPPORTED</prop>
    			<prop key="add*">PROPAGATION_REQUIRED,-Exception</prop>
    			<prop key="insert*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="update*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="delete*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="import*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="remove*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="batch*">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="del*">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="save">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="save*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="union*">PROPAGATION_REQUIRED,-Exception</prop>
     			<prop key="*">PROPAGATION_REQUIRED</prop>
    		</props>
   		</property>
   	</bean>
	<!-- action -->
		<bean id="usersAction" class="com.ssh.action.UsersAction" scope="prototype">
			<property name="usersService" ref="usersService"></property>
		</bean>
	<!-- service -->
		<bean id="usersService" class="com.ssh.service.impl.UsersServiceImpl">
			<property name="usersDAO" ref="usersDAO"></property>
		</bean>
	<!-- dao -->
		<bean id="usersDAO" class="com.ssh.dao.impl.UsersDAOImpl">
			<property name="sessionFactory" ref="sessionFactory"></property>
		</bean>
		</beans>

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
	<package name="struts_pub" namespace="/" extends="struts-default">
		<action name="login" class="com.ssh.action.UsersAction" method="login">
			<result name="login">/index.jsp</result>
			<result name="ok">/Home.jsp</result>
		</action>
	</package>
</struts>

index.jsp

上面增加标签库 <%@ taglib uri="/struts-tags" prefix="s"%>

返回的信息<a class="msg"><s:property value="msg"/></a>

<form action="login" method="post">
	<a class="msg"><s:property value="msg"/></a>
	用户名:<input type="text" id="userName" name="userName" />
	密码:<input type="password" id="password" name="password"/>
	<input  type="submit" value="登陆" />
</form>