SSM-Dubbo

无标签
Dubbo
发布日期:   2020-05-19
文章字数:   2.6k
阅读时长:   15 分
阅读次数:  

SSM-Dubbo

在这里插入图片描述

父工程

在这里插入图片描述
就是一个简单的Maven工程(存放了各种共同依赖)，但是注意，不能选jar/war包，需要选择pom（因为是父工程）

在这里插入图片描述

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>org.dubbo</groupId>
  <artifactId>Stu-Parent</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>
  
  
   <!-- 统一版本号  -->
  <properties>
      <spring.version>4.3.17.RELEASE</spring.version>
  </properties>
  
  <dependencies>
  <!-- 父工程依赖StuPOJO -->
  <dependency> 
  <groupId>org.dubbo</groupId>
  <artifactId>Stu-pojo</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  </dependency> 
  
  
       <dependency>  
        <groupId>com.mysql</groupId>  
        <artifactId>jdbc</artifactId>  
        <version>10.2.0.5.0</version>  
    </dependency>  
  
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>${spring.version}</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    
    
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jms -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    
      <dependency>
        <groupId>commons-dbcp</groupId>
        <artifactId>commons-dbcp</artifactId>
        <version>1.4</version>
     </dependency>
      <dependency>
        <groupId>commons-logging</groupId>
        <artifactId>commons-logging</artifactId>
        <version>1.1.1</version>
    </dependency>
    
    <dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis</artifactId>
    <version>3.4.6</version>
</dependency>

<dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>1.3.1</version>
</dependency>
    
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${spring.version}</version>
    </dependency>
    
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>dubbo</artifactId>
        <version>2.5.10</version>
    </dependency>
    
    <dependency>
        <groupId>org.apache.zookeeper</groupId>
        <artifactId>zookeeper</artifactId>
        <version>3.4.12</version>
    </dependency>
    
    
    <dependency>
        <groupId>com.github.sgroschupf</groupId>
        <artifactId>zkclient</artifactId>
        <version>0.1</version>
    </dependency>
    
    
    
    
    <dependency>
        <groupId>org.javassist</groupId>
        <artifactId>javassist</artifactId>
        <version>3.21.0-GA</version>
    </dependency>

      
  </dependencies>
  
</project>

实体类

在这里插入图片描述
也是一个普通Maven工程，就存放了一个student实体类
student:

package org.student.entity;

import java.io.Serializable;
//如果一个对象需要从内存到硬盘，或者进行网络传输，就需要序列化、反序列化
public class Student implements Serializable{

    private int stuNo;
    public Student() {
        
    }
    public Student(int stuNo, int stuAge, String stuName) {
        super();
        this.stuNo = stuNo;
        this.stuAge = stuAge;
        this.stuName = stuName;
    }
    public int getStuNo() {
        return stuNo;
    }
    public void setStuNo(int stuNo) {
        this.stuNo = stuNo;
    }
    public int getStuAge() {
        return stuAge;
    }
    public void setStuAge(int stuAge) {
        this.stuAge = stuAge;
    }
    public String getStuName() {
        return stuName;
    }
    public void setStuName(String stuName) {
        this.stuName = stuName;
    }
    private int stuAge;
    private String stuName;
}

然后在父工程中添加该依赖

 <dependency> 
  <groupId>org.dubbo</groupId>
  <artifactId>Stu-pojo</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  </dependency>

公共接口

在这里插入图片描述

package org.student.service;

import org.student.entity.Student;

public interface StudentService {

    void addStudent(Student student);
    Student queryStuByNo(int stuNo);
}

pom文件中需要依赖实体类

dao

在这里插入图片描述

在这里插入图片描述
需要依赖父工程，实体类

mapper

package org.student.mapper;

import org.student.entity.Student;

public interface StudentMapper {

    
    Student    queryStudentByStuno(int stuNo);
     void addStudent(Student student);
}

<?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">
<!-- namespace:该mapper.xml映射文件的 唯一标识 -->
<mapper namespace="org.student.mapper.StudentMapper">
    
    <select id="queryStudentByStuno"     parameterType="int"      resultType="org.student.entity.Student"  >
        select * from student where stuNo = #{stuNo}
    </select>
    
    <insert id="addStudent" parameterType="org.student.entity.Student" >
        insert into student(stuno,stuname,stuage) values(#{stuNo},#{stuName},#{stuAge})
    </insert>
    
</mapper>

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:dubbo="http://code.alibabatech.com/schema/dubbo"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

<!-- 加载db.properties文件 -->
    <bean  id="config" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">
        <property name="locations">
            <array>
                <value>classpath:db.properties</value>
            </array>
        </property>
    </bean>
    <!-- 配置配置数据库信息（替代mybatis的配置文件conf.xml） -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
            <property name="driverClassName" value="${driver}"></property>
            <property name="url" value="${url}"></property>
            <property name="username" value="${username}"></property>
            <property name="password" value="${password}"></property>
    </bean>
    
    <!-- conf.xml :  数据源,mapper.xml -->
    <!-- 配置MyBatis需要的核心类：SqlSessionFactory -->
    <!-- 在SpringIoc容器中 创建MyBatis的核心类 SqlSesionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <!-- 加载mapper.xml路径 -->
        <property name="mapperLocations" value="classpath:org/student/mapper/*.xml"></property>
        
    </bean>

    <!-- 将MyBatis的SqlSessionFactory 交给Spring -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
         <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
         <property name="basePackage" value="org.student.mapper"></property>
         <!--上面basePackage所在的property的作用：
         将org.student.mapper包中，所有的接口   产生与之对应的 动态代理对象
         （对象名 就是 首字母小写的接口名） ：studentMapper.querystudentBYNO();
           -->
     </bean>
</beans>

service

在这里插入图片描述

项目要选war

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>org.dubbo</groupId>
    <artifactId>Stu-Parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>Stu-Service</artifactId>
  <packaging>war</packaging>
  
  <!-- 依赖Stu-Dao -->
  <dependencies>
      <dependency>
          <groupId>org.dubbo</groupId>
          <artifactId>Stu-Dao</artifactId>
          <version>0.0.1-SNAPSHOT</version>
      </dependency>
      <!-- 依赖Stu公共interface -->
      <dependency>
          <groupId>org.dubbo</groupId>
          <artifactId>Stu-common-interface</artifactId>
          <version>0.0.1-SNAPSHOT</version>
      </dependency>
  </dependencies>
  
  <!-- 引入内置tomcat -->
 <build>
  <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.7.0</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
                <encoding>UTF8</encoding>
            </configuration>
        </plugin>
     
        <plugin>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <configuration>
            <port>8881</port>
            <path>/</path>          
         </configuration>
    </plugin> 
    </plugins>
    </build>
</project>

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">
  
  <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>
  
</web-app>

service.impl:

package org.student.service.impl;

import org.springframework.beans.factory.annotation.Autowired;
import org.student.entity.Student;
import org.student.mapper.StudentMapper;

import com.alibaba.dubbo.config.annotation.Service;


@Service
public class StudentService implements org.student.service.StudentService {

    @Autowired
    private StudentMapper mapper;
    @Override
    public void addStudent(Student student) {
        
        mapper.addStudent(student);
    }

    @Override
    public Student queryStuByNo(int stuNo) {
        
        return mapper.queryStudentByStuno(stuNo);
    }

}

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:dubbo="http://code.alibabatech.com/schema/dubbo"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
        
    <import resource="classpath:applicationContext-dao.xml"/>
        
    <!-- 配置dubbo的应用名称 -->
    <dubbo:application name="students-service" />
    <!-- 配置注册中心地址 -->
    <dubbo:registry protocol="zookeeper" address="zookeeper://192.168.80.27:2181"  />
    <!-- 配置dubbo扫描包 -->
    <dubbo:annotation package="org.student.service.impl" />
    <context:component-scan base-package="org.student.service.impl"></context:component-scan>
    

</beans>

stu-web

在这里插入图片描述

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>org.dubbo</groupId>
    <artifactId>Stu-Parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>Stu-web</artifactId>
  <packaging>war</packaging>
  
   <build>
   
  <plugins>

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.7.0</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
                <encoding>UTF8</encoding>
            </configuration>
        </plugin>
<!-- 引入内置tomcat-->     
        <plugin>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <configuration>
            <port>8882</port>
            <path>/</path>          
         </configuration>
    </plugin> 
    </plugins>
    </build>
   <dependencies>
       <dependency>
           <groupId>org.dubbo</groupId>
           <artifactId>Stu-common-interface</artifactId>
           <version>0.0.1-SNAPSHOT</version>
       </dependency>
   </dependencies>
</project>

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">
  

  <!-- 解决post乱码 -->
  <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>
          <init-param>
          <param-name>foreEncoding</param-name>
          <param-value>UTF-8</param-value>
      </init-param>
  </filter>
  
  <filter-mapping>
      <filter-name>CharacterEncodingfilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  
  <servlet>
      <servlet-name>dispatcherServlet</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>
  </servlet>
  
  
  <servlet-mapping>
      <servlet-name>dispatcherServlet</servlet-name>
      <url-pattern>*.action</url-pattern>
  </servlet-mapping>
  
  
</web-app>

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:mvc="http://www.springframework.org/schema/mvc"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.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">
    
    <!--将controller中的返回值，打印到页面 -->
    <mvc:annotation-driven>
        <mvc:message-converters register-defaults="false">
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                    <constructor-arg value="UTF-8"/>
                </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- 配置dubbo的应用名称 -->
    <dubbo:application name="students-web"/>
    <!-- 配置注册中心地址 -->
    <dubbo:registry address="zookeeper://192.168.80.27:2181" />
    <!-- 配置dubbo扫描包 -->
    <dubbo:annotation  package="org.student.controller"/>
    <!-- 将控制器所在包 加入IOC容器 -->
    <context:component-scan base-package="org.student.controller"></context:component-scan>
        
</beans>

controller:

package org.student.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.student.entity.Student;
import org.student.service.StudentService;

import com.alibaba.dubbo.config.annotation.Reference;

@RequestMapping("/controller")
@RestController
public class StudentController {

    @Reference
    StudentService service;
    
    @RequestMapping("/query")
    public String queryStuByNo() {
        Student student = service.queryStuByNo(4);
        System.out.println(student.getStuName());
        return "success";
    }
    
    @RequestMapping("/add")
    public String addStu() {
        Student student=new Student(1, 22, "zhangsan");
        service.addStudent(student);
        return "success";
    }
}

===========运行：

启动linux中的zookeeper

1、运行service
右键项目->run as->maven build:
在这里插入图片描述

2、运行stu-web
同上

3、访问：
http://localhost:8882/controller/query.action

文章作者: fFee-ops
文章链接: http://example.com/2020/05/19/ssm-dubbo/
版权声明: 本博客所有文章除特別声明外，均采用 CC BY 4.0 许可协议。转载请注明来源 fFee-ops !
无标签
赏
评论
  目录