基于Dubbo的CRUD案例

2020-07-26 00:01:11 浏览数 (1)

基于Dubbo的CRUD案例

  • 基于maven,dubbo,zookeeper实现增删改查的功能
    • 项目设计
    • 070401-dubbo-parent
      • 070401-dubbo-mapper
      • 070401-dubbo-pojo
    • 070402-dubbo-provider
      • 070402-dubbo-interface
      • 070402-dubb-user-service
    • 070403-dobbo-consumer
      • 070403-dubbo-user-protal-service
      • 070403-dubbo-user-portal
    • 后台逻辑功能添加顺序
    • 总结

基于maven,dubbo,zookeeper实现增删改查的功能

项目设计

070401-dubbo-parent

管理项目所需的所有jar包、插件的版本,pom工程

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.bjsxt</groupId>
  <artifactId>070401-dubbo-parent</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>
  
  
	<!-- 对依赖的jar包的版本统一进行定义 -->
	<properties>
		<junit.version>4.12</junit.version>
		<spring.version>4.1.3.RELEASE</spring.version>
		<mybatis.version>3.2.8</mybatis.version>
		<mybatis.spring.version>1.2.2</mybatis.spring.version>
		<mysql.version>5.1.32</mysql.version>
		<slf4j.version>1.6.4</slf4j.version>
		<druid.version>1.0.9</druid.version>
		<jstl.version>1.2</jstl.version>
		<servlet-api.version>2.5</servlet-api.version>
		<tomcat.version>2.2</tomcat.version>
		<jsp-api.version>2.0</jsp-api.version>
		<zkClient-version>0.10</zkClient-version>
		<dubbo-version>2.5.4</dubbo-version>
	</properties>


	<!-- jar包的依赖注入 ,由于该工程是一个父工程,所以jar包在该pom文件中只是声明 -->
	<dependencyManagement>
		<dependencies>
			<!-- 单元测试 -->
			<dependency>
				<groupId>junit</groupId>
				<artifactId>junit</artifactId>
				<version>${junit.version}</version>
			</dependency>
			<!-- 日志处理 -->
			<dependency>
				<groupId>org.slf4j</groupId>
				<artifactId>slf4j-log4j12</artifactId>
				<version>${slf4j.version}</version>
			</dependency>
			<!-- Mybatis -->
			<dependency>
				<groupId>org.mybatis</groupId>
				<artifactId>mybatis</artifactId>
				<version>${mybatis.version}</version>
			</dependency>
			<dependency>
				<groupId>org.mybatis</groupId>
				<artifactId>mybatis-spring</artifactId>
				<version>${mybatis.spring.version}</version>
			</dependency>
			<!-- MySql -->
			<dependency>
				<groupId>mysql</groupId>
				<artifactId>mysql-connector-java</artifactId>
				<version>${mysql.version}</version>
			</dependency>
			<!-- 连接池 -->
			<dependency>
				<groupId>com.alibaba</groupId>
				<artifactId>druid</artifactId>
				<version>${druid.version}</version>
			</dependency>
			<!-- Spring -->
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-context</artifactId>
				<version>${spring.version}</version>
			</dependency>
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-beans</artifactId>
				<version>${spring.version}</version>
			</dependency>
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-webmvc</artifactId>
				<version>${spring.version}</version>
			</dependency>
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-jdbc</artifactId>
				<version>${spring.version}</version>
			</dependency>
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-aspects</artifactId>
				<version>${spring.version}</version>
			</dependency>
			<!-- JSP相关 -->
			<dependency>
				<groupId>jstl</groupId>
				<artifactId>jstl</artifactId>
				<version>${jstl.version}</version>
			</dependency>
			<dependency>
				<groupId>javax.servlet</groupId>
				<artifactId>servlet-api</artifactId>
				<version>${servlet-api.version}</version>
				<scope>provided</scope>
			</dependency>
			<dependency>
				<groupId>javax.servlet</groupId>
				<artifactId>jsp-api</artifactId>
				<version>${jsp-api.version}</version>
				<scope>provided</scope>
			</dependency>
			<!-- dubbo -->
			<dependency>
				<groupId>com.alibaba</groupId>
				<artifactId>dubbo</artifactId>
				<version>${dubbo-version}</version>
			</dependency>
			<!-- 注册中心客户端 -->
			<dependency>
				<groupId>com.101tec</groupId>
				<artifactId>zkclient</artifactId>
				<version>${zkClient-version}</version>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<resources>
			<resource>
				<directory>src/main/java</directory>
				<includes>
					<include>**/*.xml</include>
				</includes>
			</resource>
			<resource>
				<directory>src/main/resources</directory>
				<includes>
					<include>**/*.xml</include>
					<include>**/*.properties</include>
				</includes>
			</resource>
		</resources>
		<!-- tomcat插件,由于子项目不一定每个都是web项目,所以该插件只是声明,并未开启 -->
		<pluginManagement>
			<plugins>
				<!-- 配置Tomcat插件 -->
				<plugin>
					<groupId>org.apache.tomcat.maven</groupId>
					<artifactId>tomcat7-maven-plugin</artifactId>
					<version>${tomcat.version}</version>
				</plugin>
			</plugins>
		</pluginManagement>
	</build>
</project>

070401-dubbo-mapper

是父工程的子工程,依赖于pojo,并需要注入mybatis、MySQL、连接池

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070401-dubbo-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <groupId>com.bjsxt</groupId>
  <artifactId>070401-dubbo-mapper</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  
    
 <dependencies>
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070401-dubbo-pojo</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
		<!-- Mybatis -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
		</dependency>
		<!-- MySql -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
		</dependency>
		<!-- 连接池 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
		</dependency>
	</dependencies>
	<!-- 资源拷贝插件 -->
	<build>
		<resources>
			<resource>
				<directory>src/main/java</directory>
				<includes>
					<include>**/*.xml</include>
				</includes>
			</resource>
		</resources>
	</build>
</project>

mapper层接口

代码语言:javascript复制
import java.util.List;

import com.bjsxt.pojo.Users;

public interface UsersMapper {
	void insertUsers(Users users);
	List<Users> findAll();
	void del(int userid);
	
	Users selByUserId(int userid);
	void updateUser(Users users);
}

mapper层的xml

代码语言:javascript复制
<?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.bjsxt.mapper.UsersMapper">
	<insert id="insertUsers" parameterType="com.bjsxt.pojo.Users">
		insert into users(username,userage) values(#{username},#{userage})
	</insert>
	 <select id="findAll" resultType="com.bjsxt.pojo.Users">
		select * from users
	</select>
	<delete id="del" parameterType="int">
		delete from users where userid = #{userid}
	</delete>
	<select id="selByUserId" parameterType="int" resultType="com.bjsxt.pojo.Users">
		select * from users where userid=#{userid}
	</select>
	<update id="updateUser" parameterType="com.bjsxt.pojo.Users" >
		update users set username=#{username},userage=#{userage} where userid=#{userid}
	</update>
	
	
</mapper>

070401-dubbo-pojo

父工程的子模块,jar工程,规定实体属性

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070401-dubbo-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <groupId>com.bjsxt</groupId>
  <artifactId>070401-dubbo-pojo</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <build/>
</project>

070402-dubbo-provider

父工程的子工程,pom类型的工程,规定服务端所提供的服务

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070401-dubbo-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070402-dubbo-provider</artifactId>
  <packaging>pom</packaging>
  <build/>
  <modules>
  	<module>070402-dubbo-interface</module>
  	<module>070402-dubbo-user-service</module>
  </modules>
</project>

070402-dubbo-interface

provider的子模块,依赖pojo,jar工程,规定服务的功能

代码语言:javascript复制
pomx.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070402-dubbo-provider</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070402-dubbo-interface</artifactId>
  
  
  <dependencies>
  	<dependency>
  			<groupId>com.bjsxt</groupId>
   			 <artifactId>070401-dubbo-pojo</artifactId>
    		<version>0.0.1-SNAPSHOT</version>
  	</dependency>
  </dependencies>
  <build/>
</project>

070402-dubb-user-service

provier的子模块,依赖interface和mapper工程,并引入dubbo服务框架,注册中心框架,spring框架,打包插件assembly(用于将jar包达成tar格式,使其在虚拟机上运行),因此这个模块最重要

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070402-dubbo-provider</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070402-dubbo-user-service</artifactId>
  
  
  <dependencies>
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070402-dubbo-interface</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
		
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070401-dubbo-mapper</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
		<!-- 引入dubbo服务框架 -->
		<dependency>
				<groupId>com.alibaba</groupId>
				<artifactId>dubbo</artifactId>
		</dependency>
		<!-- 引用注册中心应用 -->
		<dependency>
				<groupId>com.101tec</groupId>
				<artifactId>zkclient</artifactId>
		</dependency>
		<!-- 引入框架 -->
		<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-jdbc</artifactId>
			</dependency>
			<dependency>
				<groupId>org.springframework</groupId>
				<artifactId>spring-aspects</artifactId>
			</dependency>
	</dependencies>
	
	<build>
		<plugins>
			<!-- 指定项目的打包插件信息 -->
			<plugin>
				<artifactId>maven-assembly-plugin</artifactId>
				<configuration>
					<!-- 指定打包描述文件的位置:相对项目根目录的路径 -->
					<!-- assembly打包的描述文件 -->
					<descriptor>assembly/assembly.xml</descriptor>
				</configuration>
				<executions>
					<execution>
						<id>make-assembly</id>
						<phase>package</phase>
						<goals>
							<goal>single</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
</project>
代码语言:javascript复制
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.bjsxt.dubbo.service.AddUserDubboService;
import com.bjsxt.mapper.UsersMapper;
import com.bjsxt.pojo.Users;
/**
 * 调用provider的usersMapper接口,但是需要注入
 * 增删改查的实现类其他类似故省略
 * @author chy
 * 
 */
@Service
public class AddUsersServiceImpl implements AddUserDubboService {
	
	@Autowired
	private UsersMapper uMapper;

	@Override
	public void addUser(Users users) {
		System.out.println("AddUsersServiceImpl.adduser() 执行..." users);
		this.uMapper.insertUsers(users);
	}

	
	
}

在myeclipse用于启动服务的类

代码语言:javascript复制
import com.alibaba.dubbo.container.Main;

/**
 * 启动类
 * 
 * @author chy
 *
 */
public class start {
	public static void main(String[] args) {
		
		Main.main(args);
	
	}
}

application-spring-xml

代码语言:javascript复制
<?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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://code.alibabatech.com/schema/dubbo
        http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
     <import resource="../../applicationContext-dao.xml"/>
     <import resource="../../applicationContext-service.xml"/>
     <import resource="../../applicationContext-trans.xml"/>
     
	<dubbo:application name="user-provider"/>
	<dubbo:registry address="192.168.179.128:2181,192.168.179.128:2182,192.168.179.128:2183" protocol="zookeeper"></dubbo:registry>
	<dubbo:protocol name="dubbo" port="20880"></dubbo:protocol>
	
	<!-- 注册provider服务/接口中的服务类 ,ref的是provider中的实现类,注意首字母小写-->
	<dubbo:service interface="com.bjsxt.dubbo.service.AddUserDubboService" ref="addUsersServiceImpl"></dubbo:service>
	<dubbo:service interface="com.bjsxt.dubbo.service.FindUserDubboService" ref="findUsersServiceImpl"></dubbo:service>
	<dubbo:service interface="com.bjsxt.dubbo.service.DeleteUserDubboService" ref="deleteUsersSericeImpl"></dubbo:service>
	<dubbo:service interface="com.bjsxt.dubbo.service.SelUserDubboService" ref="selUserDubboServiceImpl"></dubbo:service>
	<dubbo:service interface="com.bjsxt.dubbo.service.UpdateUserDubboService" ref="updateUserServiceImpl"></dubbo:service>
</beans>
代码语言:javascript复制
applicationContext-dao.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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 配置解析properties文件的工具类 -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!--  <context:property-placeholder location="classpath*:*.properties"/> -->
	
	<!-- 配置数据源 dataSource -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
	    <property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />
		<property name="driverClassName" value="${jdbc.driver}" />
		<property name="maxActive" value="10" />
		<property name="minIdle" value="5" />
	</bean>
	
	<!-- 创建mybatis的上下文对象  -->
	<bean class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource">
			<ref bean="dataSource"/>
		</property>
		<property name="configLocation">
			<value>classpath:SqlMapperClient.xml</value>
		</property>
	</bean>
	
	<!-- 扫描mybatis的接口与映射配置文件 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.bjsxt.mapper"/>
	</bean>
</beans>

applicationContext-service.xml

代码语言:javascript复制
<?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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 扫描bean对象 -->
	<context:component-scan base-package="com.bjsxt.dubbo.service.impl"/>
</beans>

applicationContext-trans.xml

代码语言:javascript复制
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" 
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" 
	xmlns:tx="http://www.springframework.org/schema/tx"
	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-4.0.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
   <!-- 配置事物管理器的切面 --> 
   <bean id="transactionMananger" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"/>   
   </bean>    
   
   <!-- 配置事物传播行为 :其实就是那些方法应该受什么样的事物控制-->
    <tx:advice id="advice" transaction-manager="transactionMananger">
   	<tx:attributes>
   		<tx:method name="add*" propagation="REQUIRED"/>
   		<tx:method name="modify*" propagation="REQUIRED"/>
   		<tx:method name="update*" propagation="REQUIRED"/>
   		<tx:method name="dorp*" propagation="REQUIRED"/>
   		<tx:method name="del*" propagation="REQUIRED"/>
   		<tx:method name="find*" read-only="true"/>
   	</tx:attributes>
   </tx:advice>
   
   <!-- 那些类下的方法需要参与到当前的事物管理中 。配置切点 -->
   <aop:config>
   	<aop:advisor advice-ref="advice" pointcut="execution(* com.bjsxt.dubbo.service.impl*.*(..))"/>
   </aop:config>
</beans>

db,properties

代码语言:javascript复制
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.179.128:3306/ssm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

SqlMapperClient.xml

代码语言:javascript复制
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">
  <configuration>
  <!-- 配置分页插件 -->
   
  </configuration>

assembly打包插件及文件夹自行下载

070403-dobbo-consumer

父工程的子工程,pom工程,依赖interface工程,pojo工程,引入spring的jar包

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070403-dubbo-consumer</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070403-dubbo-user-partal-services</artifactId>
 
 <dependencies>
 <!-- 导入070402-dubbo-interface的坐标,方面业务层实现类调用服务类 -->
	<dependency>
		<groupId>com.bjsxt</groupId>
		<artifactId>070402-dubbo-interface</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>
	<!-- 令注解生效的spring的jar包 -->
	<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
		</dependency>
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070401-dubbo-pojo</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
	</dependencies>
</project>

070403-dubbo-user-protal-service

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070403-dubbo-consumer</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070403-dubbo-user-partal-services</artifactId>
 
 <dependencies>
 <!-- 导入070402-dubbo-interface的坐标,方面业务层实现类调用服务类 -->
	<dependency>
		<groupId>com.bjsxt</groupId>
		<artifactId>070402-dubbo-interface</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>
	<!-- 令注解生效的spring的jar包 -->
	<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
		</dependency>
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070401-dubbo-pojo</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
	</dependencies>
</project>
代码语言:javascript复制
import java.util.List;

import com.bjsxt.pojo.Users;

public interface UserService {

	void addUsers(Users users);
	
	List<Users>  findAllUser();
	
	void delByUserid(int userid);
	
	Users selByUserid(int userid);
	
	void updateUser(Users users);
}
代码语言:javascript复制
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.bjsxt.dubbo.service.AddUserDubboService;
import com.bjsxt.dubbo.service.DeleteUserDubboService;
import com.bjsxt.dubbo.service.FindUserDubboService;
import com.bjsxt.dubbo.service.SelUserDubboService;
import com.bjsxt.dubbo.service.UpdateUserDubboService;
import com.bjsxt.pojo.Users;
import com.bjsxt.service.UserService;

@Service
public class UserServiceImpl implements UserService {
	//注入provider中的接口类
	  @Autowired 
	  private AddUserDubboService addUserDubboService;
	  @Autowired
	  private FindUserDubboService findUserDubboService;
	  @Autowired
	  private DeleteUserDubboService  deleteUserDubboService;
	  @Autowired
	  private SelUserDubboService  selUserDubboService;
	  @Autowired
	  private UpdateUserDubboService updateUserDubboService;
	  
	  
	  @Override 
	  public void addUsers(Users users) {
		  
		 this.addUserDubboService.addUser(users);
	  }

	@Override
	public List<Users> findAllUser() {
		
		return this.findUserDubboService.findAllUser();
	}

	@Override
	public void delByUserid(int userid) {
		this.deleteUserDubboService.deleteByUserid(userid);
		
	}

	@Override
	public Users selByUserid(int userid) {
		
		return this.selUserDubboService.selByUserid(userid);
	}

	@Override
	public void updateUser(Users users) {
		
		this.updateUserDubboService.updateUser(users);
		
	}
}

070403-dubbo-user-portal

consumer的子模块,唯一的war工程,依赖070403-dubbo-user-partal-services,并引入web应用相关,单元测试,日志处理,spring、jsp相关、dubbo服务框架,tomcat插件,相当于springmvc的控制器

代码语言:javascript复制
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.bjsxt</groupId>
    <artifactId>070403-dubbo-consumer</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>070403-dubbo-user-portal</artifactId>
  <packaging>war</packaging>
 
 
 <dependencies>
		<!-- 单元测试 -->
		<dependency>
			<groupId>com.bjsxt</groupId>
			<artifactId>070403-dubbo-user-partal-services</artifactId>
			<version>0.0.1-SNAPSHOT</version>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
		</dependency>
		<!-- 日志处理 -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
		</dependency>
		<!-- Spring -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
		</dependency>
		<!-- JSP相关 -->
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jsp-api</artifactId>
			<scope>provided</scope>
		</dependency>
		<!-- dubbo -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>dubbo</artifactId>
		</dependency>
		<dependency>
			<groupId>com.101tec</groupId>
			<artifactId>zkclient</artifactId>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<!-- 配置Tomcat插件
				clean tomcat7:run  本地运行 tomcat  ,不需要远程热部署 ROOT
				tomcat7:redeploy  若在远程的 tomcat 中,若存在相同项目名的话,不属于第一次发布 war ,远程热部署
				tomcat7:deploy  适用于第一次发布 war ,远程热部署
			 -->
			<plugin>
				<groupId>org.apache.tomcat.maven</groupId>
				<artifactId>tomcat7-maven-plugin</artifactId>
				<configuration>
					<!-- path: 上传的war包解压后的路径命名 -->
			          <path>/</path>
			          <port>8080</port>
			           <!-- url : 上传war包到什么位置,除IP和端口可以修改外其他不变 -->
			           <!-- <url>http://192.168.179.129:8080/manager/text</url> 
			 		 为tomcat配置的管理用户名和密码. 
			          <username>admin</username>
			          <password>admin</password>  -->
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>
代码语言:javascript复制
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class PageController {
	
	  @RequestMapping("/index") 
		public String showIndex(){ 
		return "index"; 
		}
	  
	  @RequestMapping("/addUser") 
	  public String addUser(){ 
		return "addUser"; 
		}
	 
}
代码语言:javascript复制
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

import com.bjsxt.pojo.Users;
import com.bjsxt.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {
	//注入consumer中的接口类
	@Autowired
	private UserService userService;

	@RequestMapping("/addUser")
	public String addUser(Users users) {
		this.userService.addUsers(users);
		return "ok";
	}
	
	@RequestMapping("/findAll")
	public String findAll(Model model) {
		
		List<Users>usersList= userService.findAllUser();
		model.addAttribute("usersList", usersList);
		return "usersList";
	}
	
	@RequestMapping("/deluser/{userid}")
	public String deluser(@PathVariable int userid) {

		this.userService.delByUserid(userid);
		return "ok";
	}
	
	@RequestMapping("/selUser/{userid}")
	public String selUser(@PathVariable int userid,Model model) {
		
		Users users=this.userService.selByUserid(userid);
		model.addAttribute("users", users);
		return "upPage";
		
		
	}
	///user/updateUser/${users.username}&${users.userage }&${users.userid }
	@RequestMapping("/updateUser")
	private String updateUser(Model model,Users users) {
		
		this.userService.updateUser(users);
		return "ok";
		
	}
}

applicationContext-dubbo.xml

代码语言:javascript复制
<?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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://code.alibabatech.com/schema/dubbo
        http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
        
    <!-- <dubbo:consumer timeout="20000" check="false" /> -->
    
 	<dubbo:application name="myconsumer"/>
 	<dubbo:registry address="192.168.179.128:2181,192.168.179.128:2182,192.168.179.128:2183" protocol="zookeeper"></dubbo:registry> 
	<!-- 在注册中心注入要调用的服务,不注入无法消费服务,服务类名小写,服务权限定路径 -->
	 <dubbo:reference id="addUserDubboService" interface="com.bjsxt.dubbo.service.AddUserDubboService"></dubbo:reference>
	 <dubbo:reference id="findUserDubboService" interface="com.bjsxt.dubbo.service.FindUserDubboService"></dubbo:reference>
	  <dubbo:reference id="deleteUserDubboService" interface="com.bjsxt.dubbo.service.DeleteUserDubboService"></dubbo:reference>
	    <dubbo:reference id="selUserDubboService" interface="com.bjsxt.dubbo.service.SelUserDubboService"></dubbo:reference>
	    <dubbo:reference id="updateUserDubboService" interface="com.bjsxt.dubbo.service.UpdateUserDubboService"></dubbo:reference>
 	
 </beans>

applicationContext-service.xml

代码语言:javascript复制
<?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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 扫描bean对象 -->
	<context:component-scan base-package="com.bjsxt.service"/>
</beans>

springmvc.xml

代码语言:javascript复制
<?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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
      <!-- 包的扫描器主要是扫描@controller -->
      <context:component-scan base-package="com.bjsxt.web.controller"/>  

	   <!-- 注册两个新对象 主要是为了来处理springmvc中的其他anntation 如:@requestmapping -->	
	   <mvc:annotation-driven/>
	   
	   <!-- 视图解析器 -->
	   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/jsp/" /><!-- jsp所在的前缀 -->
		<property name="suffix" value=".jsp" />
    </bean>
    <!-- 配置静态资源映射 -->
    <mvc:resources location="/WEB-INF/css/" mapping="/css/**"/>
	<mvc:resources location="/WEB-INF/js/" mapping="/js/**"/>
</beans>

jsp界面

代码语言:javascript复制
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() "://" request.getServerName() ":" request.getServerPort() path "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    		<h1>欢迎访问时间静止的小窝</h1>
    		<a href="/addUser">添加用户</a><br>
    		<a href="/user/findAll">查询用户</a>
    		
  </body>
</html>
代码语言:javascript复制
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme() "://" request.getServerName() ":" request.getServerPort() path "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'usersList.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
   	 <table border="1" align="center">
   	 	<tr>
   	 		<th>id</th>
   	 		<th>用户名</th>
   	 		<th>年龄</th>
   	 		<th>操作</th>
   	 	</tr>
   	 	
   	 	<c:forEach items="${usersList }" var="list">
   	 		<tr>
   	 		<td>${list.userid }</td>
   	 		<td>${list.username }</td>
   	 		<td>${list.userage }</td>
   	 		<td><a href="/user/deluser/${list.userid }">删除</a> <a href="/user/selUser/${list.userid }">修改</a></td>
   	 	</tr>
   	 	</c:forEach>
   	 </table>
  </body>
</html>

碍于篇幅,其他jsp省略 web.xml

代码语言:javascript复制
<?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_3_0.xsd"
	id="WebApp_ID" version="3.0">
	<!-- 上下文参数,告诉Spring配置文件路径 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext-*.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- 配置springmvc -->
	<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.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<filter>
		<filter-name>encoding</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>encoding</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>

后台逻辑功能添加顺序

总结

1、mapper,打包 2、provider中interface,service创建抽象类和抽象方法,@Service,@Autowired, 3、provider中dubbo配置服务,注册provider服务/接口中的服务类 ,ref的是provider中的实现类,注意首字母小写,打包provider, 4、start发布服务 5、实现删除用户的业务,业务层的接口与实现类,注入provider中的接口类 6、controller,传参的写法,consumer中dubbo配置服务,在注册中心注入要调用的服务(id为首字母小写),不注入无法消费服务,打包

源码链接:https://pan.baidu.com/s/1mIVhyNgSgpk9CXC1fIAiHQ 提取码:bgh3

0 人点赞