SSH整合应用:登录

最新推荐文章于 2019-12-11 23:13:33 发布

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最新推荐文章于 2019-12-11 23:13:33 发布

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分类专栏：项目实操文章标签： ssh spring hibernate

本文链接：https://blog.youkuaiyun.com/qq_36952524/article/details/80445913

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本文介绍了一个使用Struts2与Spring框架整合的示例应用，包括配置上下文加载监听器、数据源设置、Hibernate集成及用户验证功能实现等关键步骤。

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步骤:

……
<listener>
<listener-class>org.springframework.web.context.Context-LoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
……

……
  <filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.Struts-
PrepareAndExecuteFilter</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
……

<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=rsgl">
</property>
<property name="username" value="sa"></property>
<property name="password" value="abc123!"></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>
</bean>

<bean id="sessionFactory" class="……">
……
<property name="mappingResources">
<list>
<value>vo/Users.hbm.xml</value>
</list>
</property>
</bean>

package dao;
import vo.Users;
public interface IUsersDAO {
public void saveUsers(Users users);
public boolean existUsers(String username);
public boolean validateUsers(Users users);
}

public class UsersDAO extends HibernateDaoSupport implements IUsersDAO {
public void saveUsers(Users users) { //添加用户
	getHibernateTemplate().save(users);
}
public boolean existUsers(String username) { //用户是否存在
List list = getHibernateTemplate().find(
"from Users where username=?", username);
if(list.size()>0)
	return true;
return false;
}
public boolean validateUsers(Users users){ //验证用户
List list = getHibernateTemplate().find(
"from Users where username=? and password=?", users.getUsername(),users.getPassword());
if(list.size()>0)
return true;
return false;
}
}

public class UsersAction extends ActionSupport{
private Users users;
private IUsersDAO usersDAO;
……//getters and setters 
public String check() throws Exception {
if (usersDAO.validateUsers(users)) {
return "success"; // 验证成功
} else {
return "error"; // 验证失败
}
}
}

<bean id="usersDAO" class="dao.UsersDAO">
<property name="sessionFactory"><ref bean="sessionFactory" />
</property>
</bean>
<bean id="usersAction" class="abc.UsersAction">
<property name="usersDAO" ref="usersDAO"></property>
</bean>

<package name="login" extends="struts-default">
<action name="login" class="usersAction" method="check">
<result name="success">/welcome.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>

<s:form action="login.action" method="post">
<s:textfield label="用户名" name="users.username"/>
<s:password label="密码" name="users.password"/>
<s:submit value="登录"></s:submit>
</s:form>

public class UsersAction extends ActionSupport{
private Users users;
private IUsersDAO usersDAO;
……//getters and setters 
public String check() throws Exception {
if (usersDAO.validateUsers(users)) {
return "success"; // 验证成功
} else {
return "error"; // 验证失败
}
}
public String register() throws Exception{
if(usersDAO.existUsers(users.getUsername())){
return ERROR;
}
users.setUsertype("普通用户");
usersDAO.saveUsers(users);
return SUCCESS;
}
}

<package name="default" extends="struts-default">
<action name="login" class="usersAction" method="check">
<result name="success">/welcome.jsp</result>
<result name="error">/error.jsp</result>
</action>
<action name="register" class="usersAction" method="register">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>

<s:form action="register.action" method="post">
<s:textfield label="用户名" name="users.username"/>
<s:password label="密码" name="users.password"/>
<s:submit value="注册"></s:submit>
</s:form>