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SSM整合Dubbo案例

提供端和消费端都是webapp

提供端：

依赖：

<dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>javaee</groupId>
      <artifactId>javaee-api</artifactId>
      <version>5</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.22</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest-core -->
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest-core</artifactId>
      <version>1.3</version>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>4.2.1.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.2.2</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.0</version>
    </dependency>

    <dependency>
      <groupId>org.javassist</groupId>
      <artifactId>javassist</artifactId>
      <version>3.17.1-GA</version>
    </dependency>

    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
      <version>2.2.2</version>
    </dependency>

    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1.2</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.31</version>
    </dependency>

    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>dubbo</artifactId>
      <version>2.5.3</version>
      <exclusions>
        <exclusion>
          <artifactId>spring</artifactId>
          <groupId>org.springframework</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>org.apache.zookeeper</groupId>
      <artifactId>zookeeper</artifactId>
      <version>3.4.6</version>
      <exclusions>
        <exclusion>
          <artifactId>log4j</artifactId>
          <groupId>log4j</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>com.github.sgroschupf</groupId>
      <artifactId>zkclient</artifactId>
      <version>0.1</version>
    </dependency>

结构：

实体类：

package com.dubboserver.entity;


import java.io.Serializable;

public class Users implements Serializable {
    private int uid;
    private String userName;
    private String password;
    private String realName;

    public int getUid() {
        return uid;
    }

    public void setUid(int uid) {
        this.uid = uid;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getPassword() {
        return password;
    }

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

    public String getRealName() {
        return realName;
    }

    public void setRealName(String realName) {
        this.realName = realName;
    }
}

　　注意：因为是两个项目所以实体类要实现Serializable 接口

Dao层：

package com.dubboserver.dao;


import com.dubboserver.entity.Users;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

@Repository("iUserDao")
public interface IUserDao {
    //登录
    Users login(@Param("username") String username);
}

Dao层的实现mapper：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dubboserver.dao.IUserDao">
    <!-- 目的：为dao接口方法提供sql语句配置 -->
    <select id="login" resultType="Users" >
        <!-- 具体的sql -->
        select  * from  users where  userName=#{username}
    </select>


</mapper>

　　service层：

package com.dubboserver.service;

import com.dubboserver.entity.Users;


public interface IUserService {

    //登录
    Users login(String username, String password);
}

　　service层实现：

package com.dubboserver.service.impl;


import com.dubboserver.dao.IUserDao;
import com.dubboserver.entity.Users;
import com.dubboserver.service.IUserService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service("iUserService")
public class IUserServiceImpl implements IUserService {

    @Resource(name = "iUserDao")
    private IUserDao iUserDao;


    @Override
    public Users login(String username, String password) {
        Users login = iUserDao.login(username);
        if (login!=null && login.getPassword().equals(password) ){
            return login;
        }
        return null;
    }
}

　　resouces包中的配置：

　　　　applicationContext.xml配置：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:mybatis="http://mybatis.org/schema/mybatis-spring"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mv="http://www.springframework.org/schema/mvc"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       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/tx
                        http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
                        http://mybatis.org/schema/mybatis-spring
                        http://mybatis.org/schema/mybatis-spring.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
    <!-- mybatis:scan会将codeRose.mapper包里的所有接口当作mapper配置，之后可以自动引入mapper类-->
    <mybatis:scan base-package="com.dubboserver"/>
    <!-- 扫描codeRose包下面的java文件，有Spring的相关注解的类，则把这些类注册为Spring的bean -->
    <context:component-scan base-package="com.dubboserver"/>
    <context:property-placeholder location="classpath:database.properties"/>
    <!-- 配置c3p0数据源 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" >
        <!-- 配置连接池属性 -->
        <property name="driverClass" value="${dataSource.driver}" />
        <property name="jdbcUrl" value="${dataSource.url}" />
        <property name="user" value="${dataSource.username}" />
        <property name="password" value="${dataSource.password}" />
    </bean>
    <!-- 配置SqlSessionFactory，org.mybatis.spring.SqlSessionFactoryBean是Mybatis社区开发用于整合Spring的bean -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="mapperLocations" value="classpath:com/dubboserver/dao/mapper/*.xml"/>
        <property name="typeAliasesPackage" value="com.dubboserver.entity"/>
    </bean>
    <!-- JDBC事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
          p:dataSource-ref="dataSource"
    />
    <!-- 启用支持annotation注解方式事务管理 -->
    <tx:annotation-driven/>

　　　//配置dubbo的配置


    <!--声明服务提供方-->
    <dubbo:application name="provider"/>
    <!--注册中心地址-->
    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
    <!--dubbo服务端口-->
    <dubbo:protocol name="dubbo" port="20880"/>
    <!--服务注册-->
    <dubbo:service interface="com.dubboserver.service.IUserService" ref="iUserService"/>

</beans>

　　database.properties配置：配置数据库连接参数

dataSource.driver=com.mysql.jdbc.Driver
dataSource.url=jdbc:mysql://localhost:3306/invoicingsystem?useUnicode=true&characterEncoding=utf-8
dataSource.username=root
dataSource.password=123456

　　配置：web.xml:加载applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
    http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         id="WebA pp_ID" version="3.1">
  <!--spring的上下文-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!--spring的核心监听器-->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- 编码过滤器 -->
  <filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

　　消费端：

　　　　依赖:

<dependency>
      <groupId>javaee</groupId>
      <artifactId>javaee-api</artifactId>
      <version>5</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.22</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest-core -->
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest-core</artifactId>
      <version>1.3</version>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>4.2.1.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.2.2</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.0</version>
    </dependency>

    <dependency>
      <groupId>org.javassist</groupId>
      <artifactId>javassist</artifactId>
      <version>3.17.1-GA</version>
    </dependency>

    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
      <version>2.2.2</version>
    </dependency>

    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1.2</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.31</version>
    </dependency>

    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>dubbo</artifactId>
      <version>2.5.3</version>
      <exclusions>
        <exclusion>
          <artifactId>spring</artifactId>
          <groupId>org.springframework</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>org.apache.zookeeper</groupId>
      <artifactId>zookeeper</artifactId>
      <version>3.4.6</version>
      <exclusions>
        <exclusion>
          <artifactId>log4j</artifactId>
          <groupId>log4j</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>com.github.sgroschupf</groupId>
      <artifactId>zkclient</artifactId>
      <version>0.1</version>
    </dependency>
    <dependency>
      <groupId>org.springframework.data</groupId>
      <artifactId>spring-data-solr</artifactId>
      <version>1.5.5.RELEASE</version>
    </dependency>

　　结构：注意：结构最好和提供端一致

　　　　实体和service和提供端一致

　　　　controller层：

package com.dubboserver.controller;



import com.dubboserver.entity.Users;
import com.dubboserver.service.IUserService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import javax.annotation.Resource;

@Controller
public class UserController {

    @Resource
    IUserService iUserService;

    @RequestMapping(value = "/login", method = RequestMethod.POST)
    public String hello(@RequestParam("username")String username, @RequestParam("password")String password){
        System.out.println(username+"///"+password);
        Users user = iUserService.login(username, password);
        if (user!=null){
            return "index";
        }
        return "login";
    }
}

　　resource中springmvc-config.xml配置：

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context" xmlns:mv="http://www.springframework.org/schema/c"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.2.xsd http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!-- 自动扫描该包，SpringMVC会将包下用了@controller注解的类注册为Spring的controller -->
    <context:component-scan base-package="com.dubboserver"/>

    <!-- 设置默认配置方案 -->
    <mvc:annotation-driven/>
    <!-- 使用默认的Servlet来响应静态文件 -->
    <mvc:default-servlet-handler/>
  <!--  <mvc:resources mapping="/js/*.*" location="/js/"></mvc:resources>-->
    <!-- 视图解析器  -->

    <bean id="viewResolver"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix">
            <value></value>
        </property>
        <!-- 后缀 -->
        <property name="suffix">
            <value>.jsp</value>
        </property>
    </bean>
   <!-- <!– SPringmvc的拦截器 –>
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <bean class="com.invoicing.interceptor.interceptor"/>
        </mvc:interceptor>
    </mvc:interceptors>-->
　　　　
　　//dubbo配置

    <!--服务的应用名称-->
    <dubbo:application name="dubbo-web"/>
    <!--需要扫描的服务所在的包-->
    <dubbo:annotation package="com.dubboserver" />
    <!--指定注册中心-->
    <dubbo:registry address="zookeeper://127.0.0.1:2181" />
    <!--服务消费-->
    <dubbo:reference interface="com.dubboserver.service.IUserService" id="iUserService"/>
</beans>

　　web.xml中：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
    http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         id="WebApp_ID" version="3.1">


  <!-- 定义Spring MVC的前端控制器 -->
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <servlet-class>
      org.springframework.web.servlet.DispatcherServlet
    </servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc-config.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>

  <!-- 让Spring MVC的前端控制器拦截所有请求 -->
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <!-- 编码过滤器 -->
  <filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

</web-app>

<%--
  Created by IntelliJ IDEA.
  User: wish
  Date: 2019/11/30
  Time: 15:08
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<form method="post" action="/login">
    用户名：<input type="text" name="username"><br/><br/>
    密码:      <input type="password" name="password"><br/><br/>
    <input type="submit" value="登录">
</form>
</body>
</html>

　　index.jsp页面：登录成功跳转的页面

<%--
  Created by IntelliJ IDEA.
  User: wish
  Date: 2019/11/30
  Time: 15:07
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
欢迎你！！！！！！
</body>
</html>

　　注意:先启动zookeeper，再启动提供端，然后消费端

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原文地址：https://www.cnblogs.com/wishsaber/p/11970886.html