Dubbo实战案例01【需求分析及项目创建】

一、案例介绍1.1 需求完成对用户表的CRUD操作。1.2 项目架构方式 SOA面向服务架构1.3 技术选型 maven，Spring，SpringMVC,Mybatis,Dubbo,Zookeeper,MySql二、创建表CREATE TABLE `users` (`userid` int(11) NOT NULL AUTO_INCREMENT,`username...

波波烤鸭

1978人浏览 · 2019-03-27 20:12:51

波波烤鸭 · 2019-03-27 20:12:51 发布

文章目录

一、案例介绍
二、创建表
三、项目设计
四、创建项目

一、案例介绍

1.1 需求

完成对用户表的CRUD操作。

1.2 项目架构方式

SOA面向服务架构

1.3 技术选型

maven，Spring，SpringMVC,Mybatis,Dubbo,Zookeeper,MySql

二、创建表

CREATE TABLE `users` (
 `userid` int(11) NOT NULL AUTO_INCREMENT,
 `username` varchar(30) DEFAULT NULL,
 `userage` int(11) DEFAULT NULL,
 PRIMARY KEY (`userid`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

三、项目设计

dubbo-parent (POM)
	|--dubbo-pojo (jar)
	|--dubbo-mapper (jar)
	|--dubbo-user-provider (POM)
		|--dubbo-user-provider-interface (jar)
		|--dubbo-user-provider-service  (jar)
	|--dubbo-user-consumer (pom)
		|--dubbo-user-consumer-portal-service  (jar)
		|--dubbo-user-consumer-protal (war)

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四、创建项目

1.创建dubbo-parent

1.1 创建项目

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1.2 修改POM文件

<!-- 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>${dubbo-version}</version>
			</dependency>
			<dependency>
				<groupId>com.101tec</groupId>
				<artifactId>zkclient</artifactId>
				<version>${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>

2.创建dubbo-pojo

2.1 创建项目

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2.2 创建实体类

package com.bobo.pojo;

public class User {
	
	private int id;
	
	private String username;
	
	private int userage;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public int getUserage() {
		return userage;
	}

	public void setUserage(int userage) {
		this.userage = userage;
	}
}

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3.创建dubbo-mapper

3.1 创建项目

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3.2 创建UserMapper接口

package com.bobo.mapper;
/**
 * UsersMapper接口文件
 * @author dengp
 *
 */
public interface UsersMapper {

}

3.3 创建 UsersMapper 映射配置文件

<?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.bobo.mapper.UsersMapper">

</mapper>

3.4 4修改 POM 文件

<dependencies>
	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>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>
<build>
	<resources>
		<resource>
			<directory>src/main/java</directory>
			<includes>
				<include>**/*.xml</include>
			</includes>
		</resource>
	</resources>
</build>

4.创建服务提供者相关项目

4.1创建dubbo-user-provider

4.1.1 创建项目

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4.2创建dubbo-user-interface

4.2.1 创建项目

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4.2.2 修改POM文件

<dependencies>
	<!-- 依赖 pojo -->
	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>dubbo-pojo</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>
</dependencies>

4.3创建dubbo-user-service

4.3.1 创建项目

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4.3.2 修改POM文件

<dependencies>
	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>dubbo-user-interface</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>

	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>dubbo-mapper</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>

	<dependency>
		<groupId>com.alibaba</groupId>
		<artifactId>dubbo</artifactId>
	</dependency>

	<dependency>
		<groupId>com.101tec</groupId>
		<artifactId>zkclient</artifactId>
	</dependency>

	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-jdbc</artifactId>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-aspects</artifactId>
	</dependency>
</dependencies>

4.3.3 配置MyBatis与Dubbo

db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=123456

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"/>
	
	<!-- 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.bobo.mapper"/>
	</bean>
</beans>

applicationContext-service.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">
	<!-- 扫描bean对象 -->
	<context:component-scan base-package="com.bobo.dubbo.service.impl"/>
</beans>

applicationContext-trans.xml

<?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.bobo.dubbo.service.impl*.*(..))"/>
   </aop:config>
</beans>

SqlMapperClient.xml

<?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>

</configuration>

application-dubbo.xml

服务提供者的配置文件我们放到META-INF/spring/目录下，我们通过main方法启动会自动加载该文件。
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<?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">
    
    <!-- 导入Spring相关的配置文件 -->
	<import resource="../../applicationContext-dao.xml" />
	<import resource="../../applicationContext-service.xml" />
	<import resource="../../applicationContext-trans.xml" />
	
	<dubbo:application name="user-provider" />
	<dubbo:registry protocol="zookeeper"
		address="192.168.88.171:2181,192.168.88.172:2181,192.168.88.173:2181"/>
		
	<dubbo:protocol name="dubbo" port="20880"/>
</beans>

4.3.3 测试整合

package com.bobo;

import com.alibaba.dubbo.container.Main;

public class Start {

	/**
	 * 特点：
	 *	1，自带线程阻塞
	 *	2，支持优雅关系
	 *	Main 类下的 main 方法在启动时默认的回去 classpath:/META-INF/spring/*.xml
	 * @param args
	 */
	public static void main(String[] args) {
		Main.main(args);
	}
}

在这里插入图片描述

5.创建服务消费者相关项目

创建消费者相关的服务。

5.1创建dubbo-user-consumer

5.1.1 创建项目

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5.2创建dubbo-user-portal-service

5.2.1 创建项目

在这里插入图片描述

5.2.2 修改POM文件

<dependencies>
	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>dubbo-user-interface</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>
	<dependency>
		<groupId>com.bobo</groupId>
		<artifactId>dubbo-pojo</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-context</artifactId>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-beans</artifactId>
	</dependency>
</dependencies>

5.3创建dubbo-user-portal

5.3.1 创建项目(war)

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5.3.2 修改POM文件

<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.bobo</groupId>
		<artifactId>dubbo-user-consumer</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>
	<artifactId>dubbo-user-portal</artifactId>
	<packaging>war</packaging>

	<dependencies>
		<!-- 单元测试 -->
		<dependency>
			<groupId>com.bobo</groupId>
			<artifactId>dubbo-user-portal-service</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 -->
			<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>8082</port>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

项目报错手动添加web.xml文件

在这里插入图片描述

5.3.3 配置 SpringMVC，Spring，web.xml，Dubbo

applicationContext-dubbo.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: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:application name="dubbo-consumer"/>
 	
 	<dubbo:registry  protocol="zookeeper"
 		address="192.168.88.171:2181,192.168.88.172:2181,192.168.88.173:2181" /> 

 </beans>

applicationContext-service.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">
	<!-- 扫描bean对象 -->
	<context:component-scan base-package="com.bobo.service"/>
</beans>

springmvc.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">
	<!-- 包的扫描器主要是扫描@controller -->
	<context:component-scan base-package="com.bobo.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">
		<!-- jsp所在的前缀 -->
		<property name="prefix" value="/WEB-INF/jsp/" />
		<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>

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_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>

5.3.4 测试整合

在这里插入图片描述

访问测试: http://localhost:8082/index

在这里插入图片描述

能够访问说明整合成功~ 下篇介绍具体的业务实现

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