分布式实现登录
1.需要导入的依赖
<dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.10</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <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>
2.接口及公共模块
该模块是服务端和消费者端都需要用到的公共模块,包括服务接口以及接口所依赖的实体类,当然其他的公共资源也可以放到这个模块中,公共模块的目录结构如下:
实体类
Service接口
生产者
导入依赖
<dependencies> <!--公共模块导入的依赖--> <dependency> <groupId>com.dubbo</groupId> <artifactId>dubbo_service01_02</artifactId> <version>1.0-SNAPSHOT</version> <scope>compile</scope> </dependency> </dependencies>
dao接口层
serviceImpl层
在pom.xml文件中带入了接口及公共模块的依赖,所以这里就不需要编写service接口层和实现类
jdbc.properties文件
applicationContext-provider.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://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <context:component-scan base-package="com.dubbo"/> <!--加载配置文件--> <context:property-placeholder location="classpath:jdbc.properties"/> <!--配置数据源--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="driverClassName" value="${jdbc.driver}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> </bean> <!--SqlSessionFactory--> <bean class="org.mybatis.spring.SqlSessionFactoryBean"> <!--加载数据源--> <property name="dataSource" ref="dataSource"/> <!--加载Mybatis配置文件--> <property name="configLocation" value="classpath:mybatis-config.xml"/> </bean> <!--扫描Dao层--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.dubbo.dao"/> </bean> <!--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.dubbo.service.DoSomeService" ref="doSomeService"/> <dubbo:service interface="com.dubbo.service.UserService" ref="userService"/> </beans>
mybatis-config.xml文件
web.xml
<filter> <filter-name>characterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <!--初始化参数--> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <!--强制使用UTF-8编码--> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>characterEncodingFilter</filter-name> <url-pattern>/</url-pattern> </filter-mapping> <!--中央调度器--> <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:applicationContext-consumer.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> <!-- 设置欢迎页面 --> <welcome-file-list> <welcome-file>login.jsp</welcome-file> </welcome-file-list> </web-app>
消费者
applicationContext.xml文件
<?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" 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://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <context:component-scan base-package="com.dubbo"/> <!--添加MVC支持--> <mvc:annotation-driven/> <!--配置视图解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/"/> <property name="suffix" value=".jsp"/> </bean> <!--声明服务提供方--> <dubbo:application name="consumer"/> <!--注册中心地址--> <dubbo:registry address="zookeeper://127.0.0.1:2181"/> <!--服务消费--> <dubbo:reference interface="com.dubbo.service.DoSomeService" id="doSomeService"/> <!--服务消费--> <dubbo:reference interface="com.dubbo.service.UserService" id="userService"/> </beans>
UserController控制层
login.jsp登录页面
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" isELIgnored="false"%> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <!-- Meta, title, CSS, favicons, etc. --> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>后台管理系统</title> </head> <body class="login"> <div> <a class="hiddenanchor" id="signup"></a> <a class="hiddenanchor" id="signin"></a> <div class="login_wrapper"> <div class="animate form login_form"> <section class="login_content"> <form action="/getUser" method="post"> <h1>DUBBO登录</h1> <div> <input type="text" class="form-control" name="loginName" placeholder="请输入用户名" required="" /> </div> <div> <input type="password" class="form-control" name="password" placeholder="请输入密码" required="" /> </div> <span>${error }</span> <div> <button type="submit" class="btn btn-success">登 录</button> <button type="reset" class="btn btn-default">重 填</button> </div> <div class="clearfix"></div> <div class="separator"> <div> </div> </div> </form> </section> </div> </div> </div> </body> </html>
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