SSH整合之Login
框架 SSH
JAVA 2018-12-25

三大框架架构(整合原理)

图1
图2

spring容器

 <?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns="http://www.springframework.org/schema/beans" 
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:aop="http://www.springframework.org/schema/aop" 
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd 
                            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd 
                            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd 
                            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd ">

    <!-- 读取db.properties文件 -->
    <context:property-placeholder location="classpath:db.properties" />
    <!-- 配置c3p0连接池 -->
    <bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" >
        <property name="jdbcUrl" value="${jdbc.jdbcUrl}" ></property>
        <property name="driverClass" value="${jdbc.driverClass}" ></property>
        <property name="user" value="${jdbc.user}" ></property>
        <property name="password" value="${jdbc.password}" ></property>
    </bean>

    <!-- 核心事务管理器 -->
    <bean name="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager" >
        <property name="sessionFactory" ref="sessionFactory" ></property>
    </bean>

    <!-- 配置通知 -->
    <!-- <tx:advice id="txAdvice" transaction-manager="transactionManager" >
        <tx:attributes>
            <tx:method name="save*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="persist*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="update*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="modify*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="delete*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="remove*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" />
            <tx:method name="get*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true" />
            <tx:method name="find*" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="true" />
        </tx:attributes>
    </tx:advice> -->
    <!-- 配置将通知织入目标对象
    配置切点
    配置切面 -->
    <!-- <aop:config>
        <aop:pointcut expression="execution(* cn.itcast.service.impl.*ServiceImpl.*(..))" id="txPc"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPc" />
    </aop:config> -->
    <!-- ========================================================================================= -->
    <!-- 开启注解事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />

    <!-- 将SessionFactory配置到spring容器中 -->
    <!-- 加载配置方案1:仍然使用外部的hibernate.cfg.xml配置信息 -->
    <!-- <bean name="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" >
        <property name="configLocation" value="classpath:hibernate.cfg.xml" ></property>
    </bean> -->
    <!-- 加载配置方案2:在spring配置中放置hibernate配置信息 -->
    <bean name="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" >
        <!-- 将连接池注入到sessionFactory, hibernate会通过连接池获得连接 -->
        <property name="dataSource" ref="dataSource" ></property>
        <!-- 配置hibernate基本信息 -->
        <property name="hibernateProperties">
            <props>
                <!--  必选配置 -->
            <!--     <prop key="hibernate.connection.driver_class" >com.mysql.jdbc.Driver</prop>
                <prop key="hibernate.connection.url" >jdbc:mysql:///crm_32</prop>
                <prop key="hibernate.connection.username" >root</prop>
                <prop key="hibernate.connection.password" >1234</prop> -->
                <prop key="hibernate.dialect" >org.hibernate.dialect.MySQLDialect</prop>

                <!--  可选配置 -->
                <prop key="hibernate.show_sql" >true</prop>
                <prop key="hibernate.format_sql" >true</prop>
                <prop key="hibernate.hbm2ddl.auto" >update</prop>
            </props>
        </property>
        <!-- 引入orm元数据,指定orm元数据所在的包路径,spring会自动读取包中的所有配置 -->
        <property name="mappingDirectoryLocations" value="classpath:cn/itcast/domain" ></property>
    </bean>

    <!-- action -->
    <!-- 注意:Action对象作用范围一定是多例的.这样才符合struts2架构 -->
    <bean name="userAction" class="cn.itcast.web.action.UserAction" scope="prototype" >
        <property name="userService" ref="userService" ></property>
    </bean>
    <!-- service -->
    <bean name="userService" class="cn.itcast.service.impl.UserServiceImpl" >
        <property name="ud" ref="userDao" ></property>
    </bean>
    <!-- dao -->
    <bean name="userDao" class="cn.itcast.dao.impl.UserDaoImpl" >
        <!-- 注入sessionFactory -->
        <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 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
    <!-- #  struts.objectFactory = spring    将action的创建交给spring容器    
            struts.objectFactory.spring.autoWire = name spring负责装配Action依赖属性
            -->
    <constant name="struts.objectFactory" value="spring"></constant>

    <package name="crm" namespace="/" extends="struts-default" >
        <global-exception-mappings>
            <exception-mapping result="error" exception="java.lang.RuntimeException"></exception-mapping>
        </global-exception-mappings>

        <!-- 整合方案1:class属性上仍然配置action的完整类名
                struts2仍然创建action,由spring负责组装Action中的依赖属性
         -->
         <!-- 
             整合方案2:class属性上填写spring中action对象的BeanName
                 完全由spring管理action生命周期,包括Action的创建
                 注意:需要手动组装依赖属性
          -->
        <action name="UserAction_*" class="userAction" method="{1}" >
            <result name="toHome" type="redirect" >/index.htm</result>
            <result name="error" >/login.jsp</result>
        </action>
    </package>
</struts>

db.properties 配置文件

 jdbc.jdbcUrl=jdbc:mysql:///crm_32
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.user=root
jdbc.password=1234

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>ssh_crm</display-name>


  <!-- 让spring随web启动而创建的监听器 -->
  <listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- 配置spring配置文件位置参数 -->
  <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!-- 扩大session作用范围
      注意: 任何filter一定要在struts的filter之前调用
   -->
   <filter>
      <filter-name>openSessionInView</filter-name>
      <filter-class>org.springframework.orm.hibernate5.support.OpenSessionInViewFilter</filter-class>
  </filter>
  <!-- struts2核心过滤器 -->
  <filter>
      <filter-name>struts2</filter-name>
      <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
  </filter>

  <filter-mapping>
      <filter-name>openSessionInView</filter-name>
      <url-pattern>/*</url-pattern>
  </filter-mapping>
  <filter-mapping>
      <filter-name>struts2</filter-name>
      <url-pattern>/*</url-pattern>
  </filter-mapping>

  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>

UserDao 接口

public interface UserDao {

    //根据登陆名称查询user对象
    User getByUserCode(String usercode);
    //保存用户
    void save(User u);
}

UserDaoImpl

public class UserDaoImpl extends HibernateDaoSupport implements UserDao {


    @Override
    public User getByUserCode(final String usercode) {
        //HQL
        return getHibernateTemplate().execute(new HibernateCallback<User>() {
            @Override
            public User doInHibernate(Session session) throws HibernateException {
                    String hql = "from User where user_code = ? ";
                    Query query = session.createQuery(hql);
                    query.setParameter(0, usercode);
                    User user = (User) query.uniqueResult();
                return user;
            }
        });
        //Criteria
        /*DetachedCriteria dc = DetachedCriteria.forClass(User.class);

        dc.add(Restrictions.eq("user_code", usercode));

        List<User> list = (List<User>) getHibernateTemplate().findByCriteria(dc);

        if(list != null && list.size()>0){
            return list.get(0);
        }else{
            return null;
        }*/
    }

    @Override
    public void save(User u) {
        getHibernateTemplate().save(u);
    }

}

UserService 接口

public interface UserService {
    //登陆方法
    User    getUserByCodePassword(User u);
    //注册用户
    void saveUser(User u);
}

UserServiceImpl

package cn.itcast.service.impl;

import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import cn.itcast.dao.UserDao;
import cn.itcast.domain.User;
import cn.itcast.service.UserService;

@Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=true)
public class UserServiceImpl implements UserService{

    private UserDao ud;

    @Override
    public User getUserByCodePassword(User u) {
            //1 根据登陆名称查询登陆用户
            User existU = ud.getByUserCode(u.getUser_code());
            //2 判断用户是否存在.不存在=>抛出异常,提示用户名不存在
            if(existU==null){
                throw new RuntimeException("用户名不存在!");
            }
            //3 判断用户密码是否正确=>不正确=>抛出异常,提示密码错误
            if(!existU.getUser_password().equals(u.getUser_password())){
                throw new RuntimeException("密码错误!");
            }
            //4 返回查询到的用户对象

        return existU;
    }

    @Override
    @Transactional(isolation=Isolation.REPEATABLE_READ,propagation=Propagation.REQUIRED,readOnly=false)
    public void saveUser(User u) {
        ud.save(u);
    }

    public void setUd(UserDao ud) {
        this.ud = ud;
    }

}

UserAction

package cn.itcast.web.action;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import cn.itcast.domain.User;
import cn.itcast.service.UserService;

public class UserAction extends ActionSupport implements ModelDriven<User> {
    private User user = new User();

    private UserService userService ;


    public void setUserService(UserService userService) {
        this.userService = userService;
    }

    public String login() throws Exception {
            //1 调用Service执行登陆逻辑
            User u = userService.getUserByCodePassword(user);
            //2 将返回的User对象放入session域
            ActionContext.getContext().getSession().put("user", u);
            //3 重定向到项目首页
        return "toHome";
    }

    @Override
    public User getModel() {
        return user;
    }
}

模型层

User

package cn.itcast.domain;

import java.util.HashSet;
import java.util.Set;

public class User {
    private Long user_id;
    private String user_code;
    private String user_name;
    private String user_password;
    private Character user_state;
    public Long getUser_id() {
        return user_id;
    }
    public void setUser_id(Long user_id) {
        this.user_id = user_id;
    }
    public String getUser_code() {
        return user_code;
    }
    public void setUser_code(String user_code) {
        this.user_code = user_code;
    }
    public String getUser_name() {
        return user_name;
    }
    public void setUser_name(String user_name) {
        this.user_name = user_name;
    }
    public String getUser_password() {
        return user_password;
    }
    public void setUser_password(String user_password) {
        this.user_password = user_password;
    }
    public Character getUser_state() {
        return user_state;
    }
    public void setUser_state(Character user_state) {
        this.user_state = user_state;
    }
    @Override
    public String toString() {
        return "User [user_id=" + user_id + ", user_code=" + user_code + ", user_name=" + user_name + ", user_password="
                + user_password + "]";
    }
}

Customer

public class Customer {

    private Long cust_id;

    private String cust_name;
    private String cust_source;
    private String cust_industry;
    private String cust_level;
    private String cust_linkman;
    private String cust_phone;
    private String cust_mobile;
    public Long getCust_id() {
        return cust_id;
    }
    public void setCust_id(Long cust_id) {
        this.cust_id = cust_id;
    }
    public String getCust_name() {
        return cust_name;
    }
    public void setCust_name(String cust_name) {
        this.cust_name = cust_name;
    }
    public String getCust_source() {
        return cust_source;
    }
    public void setCust_source(String cust_source) {
        this.cust_source = cust_source;
    }
    public String getCust_industry() {
        return cust_industry;
    }
    public void setCust_industry(String cust_industry) {
        this.cust_industry = cust_industry;
    }
    public String getCust_level() {
        return cust_level;
    }
    public void setCust_level(String cust_level) {
        this.cust_level = cust_level;
    }
    public String getCust_linkman() {
        return cust_linkman;
    }
    public void setCust_linkman(String cust_linkman) {
        this.cust_linkman = cust_linkman;
    }
    public String getCust_phone() {
        return cust_phone;
    }
    public void setCust_phone(String cust_phone) {
        this.cust_phone = cust_phone;
    }
    public String getCust_mobile() {
        return cust_mobile;
    }
    public void setCust_mobile(String cust_mobile) {
        this.cust_mobile = cust_mobile;
    }
    @Override
    public String toString() {
        return "Customer [cust_id=" + cust_id + ", cust_name=" + cust_name + "]";
    }

}

LinkMan

//联系人实体
public class LinkMan {
    private Long lkm_id;
    private Character lkm_gender;
    private String lkm_name;
    private String lkm_phone;
    private String lkm_email;
    private String lkm_qq;
    private String lkm_mobile;
    private String lkm_memo;
    private String lkm_position;

    //表达多对一关系
    private Customer customer ;

    //----------------------------------------------
    //不与数据库中的列对应,只为了接收表单参数
    private Long cust_id;



    public Long getCust_id() {
        return cust_id;
    }
    public void setCust_id(Long cust_id) {
        this.cust_id = cust_id;
    }
    public Customer getCustomer() {
        return customer;
    }
    public void setCustomer(Customer customer) {
        this.customer = customer;
    }
    public Long getLkm_id() {
        return lkm_id;
    }
    public void setLkm_id(Long lkm_id) {
        this.lkm_id = lkm_id;
    }
    public Character getLkm_gender() {
        return lkm_gender;
    }
    public void setLkm_gender(Character lkm_gender) {
        this.lkm_gender = lkm_gender;
    }
    public String getLkm_name() {
        return lkm_name;
    }
    public void setLkm_name(String lkm_name) {
        this.lkm_name = lkm_name;
    }
    public String getLkm_phone() {
        return lkm_phone;
    }
    public void setLkm_phone(String lkm_phone) {
        this.lkm_phone = lkm_phone;
    }
    public String getLkm_email() {
        return lkm_email;
    }
    public void setLkm_email(String lkm_email) {
        this.lkm_email = lkm_email;
    }
    public String getLkm_qq() {
        return lkm_qq;
    }
    public void setLkm_qq(String lkm_qq) {
        this.lkm_qq = lkm_qq;
    }
    public String getLkm_mobile() {
        return lkm_mobile;
    }
    public void setLkm_mobile(String lkm_mobile) {
        this.lkm_mobile = lkm_mobile;
    }
    public String getLkm_memo() {
        return lkm_memo;
    }
    public void setLkm_memo(String lkm_memo) {
        this.lkm_memo = lkm_memo;
    }
    public String getLkm_position() {
        return lkm_position;
    }
    public void setLkm_position(String lkm_position) {
        this.lkm_position = lkm_position;
    }


}

模型层对应的hbm.xml

User.hbm.xml


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="cn.itcast.domain" >
    <class name="User" table="sys_user" >
        <id name="user_id"  >
            <generator class="native"></generator>
        </id>
        <property name="user_code"  ></property>
        <property name="user_name"  ></property>
        <property name="user_password"  ></property>
        <property name="user_state"  ></property>

    </class>
</hibernate-mapping>

Customer.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
   <!-- 配置表与实体对象的关系 -->
   <!-- package属性:填写一个包名.在元素内部凡是需要书写完整类名的属性,可以直接写简答类名了. -->
<hibernate-mapping package="cn.itcast.domain" >
    <!-- 
        class元素: 配置实体与表的对应关系的
            name: 完整类名
            table:数据库表名
     -->
    <class name="Customer" table="cst_customer" >
        <!-- id元素:配置主键映射的属性
                name: 填写主键对应属性名
                column(可选): 填写表中的主键列名.默认值:列名会默认使用属性名
                type(可选):填写列(属性)的类型.hibernate会自动检测实体的属性类型.
                        每个类型有三种填法: java类型|hibernate类型|数据库类型
                not-null(可选):配置该属性(列)是否不能为空. 默认值:false
                length(可选):配置数据库中列的长度. 默认值:使用数据库类型的最大长度
         -->
        <id name="cust_id"  >
            <!-- generator:主键生成策略(明天讲) -->
            <generator class="native"></generator>
        </id>
        <!-- property元素:除id之外的普通属性映射
                name: 填写属性名
                column(可选): 填写列名
                type(可选):填写列(属性)的类型.hibernate会自动检测实体的属性类型.
                        每个类型有三种填法: java类型|hibernate类型|数据库类型
                not-null(可选):配置该属性(列)是否不能为空. 默认值:false
                length(可选):配置数据库中列的长度. 默认值:使用数据库类型的最大长度
         -->
        <property name="cust_name" column="cust_name" >
            <!--  <column name="cust_name" sql-type="varchar" ></column> -->
        </property>
        <property name="cust_source" column="cust_source" ></property>
        <property name="cust_industry" column="cust_industry" ></property>
        <property name="cust_level" column="cust_level" ></property>
        <property name="cust_linkman" column="cust_linkman" ></property>
        <property name="cust_phone" column="cust_phone" ></property>
        <property name="cust_mobile" column="cust_mobile" ></property>
    </class>
</hibernate-mapping>

LinkMan.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="cn.itcast.domain" >
    <class name="LinkMan" table="cst_linkman" >
        <id name="lkm_id"  >
            <generator class="native"></generator>
        </id>
        <property name="lkm_gender"  ></property>
        <property name="lkm_name"  ></property>
        <property name="lkm_phone"  ></property>
        <property name="lkm_email"  ></property>
        <property name="lkm_qq"  ></property>
        <property name="lkm_mobile"  ></property>
        <property name="lkm_memo"  ></property>
        <property name="lkm_position"  ></property>

        <!-- 多对一 -->
        <!-- 
            name属性:引用属性名
            column属性: 外键列名
            class属性: 与我关联的对象完整类名
         -->
          <!-- 
             级联操作:    cascade
                 save-update: 级联保存更新
                 delete:级联删除
                 all:save-update+delete
             级联操作: 简化操作.目的就是为了少些两行代码.
          -->
          <!-- 多的一方: 不能放弃维护关系的.外键字段就在多的一方.  -->
        <many-to-one name="customer" column="lkm_cust_id" class="Customer"  >
        </many-to-one>
    </class>
</hibernate-mapping>

github代码下载ssh_crm.rar： https://github.com/zy20081/JAVA

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转载请注明: Zhou•Yong SSH整合之Login

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2018-11-25 JAVA
框架 SSH
目录