Dubbo实现登陆

其他 2019-12-02 15:50:51 阅读次数: 0

一、目录展示

　　　　

二、dubbo_logins_service

　　2.1 实体类和service层

　　　　

　　2.2 logins实体类　　

package com.login.entity;

import java.io.Serializable;

public class logins implements Serializable {

    private Integer id;

    private String devcode;

    private String devname;

    private String devpassword;

    public Integer getId() {
        return id;
    }

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

    public String getDevcode() {
        return devcode;
    }

    public void setDevcode(String devcode) {
        this.devcode = devcode;
    }

    public String getDevname() {
        return devname;
    }

    public void setDevname(String devname) {
        this.devname = devname;
    }

    public String getDevpassword() {
        return devpassword;
    }

    public void setDevpassword(String devpassword) {
        this.devpassword = devpassword;
    }

    public logins(Integer id, String devcode, String devname, String devpassword) {
        this.id = id;
        this.devcode = devcode;
        this.devname = devname;
        this.devpassword = devpassword;
    }

    public logins() {
    }
}
View Code

　　2.3 loginsService层

package com.login.service;

import com.login.entity.logins;

public interface loginsService {
    logins checkLogin(logins login);
}
View Code

三、dubbo_logins

　　3.1 dao层、serviceImpl实现类、resource配置文件

　　　　

　　3.2 loginsDao（SQL在内）

package com.login.dao;

import com.login.entity.logins;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;

@Repository
public interface loginsDao {
    //登陆的方法
    @Select("select * from dev_user where devcode=#{devcode} and devpassword=#{devpassword}")
    logins checkLogin(logins login);
}
View Code

　　3.3 loginsImpl

package com.login.impl;

import com.login.dao.loginsDao;
import com.login.entity.logins;
import com.login.service.loginsService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service("loginsService")
public class loginsImpl implements loginsService {

    @Resource
    loginsDao loginsdao;

    @Override
    public logins checkLogin(logins login) {
        logins logins = loginsdao.checkLogin(login);
        if (logins!=null){
            if (logins.getDevpassword().equals(logins.getDevpassword())){
                return  logins;
            }
        }
        return null;
    }
}
View Code

　　3.4 applicationContext.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:mvc="http://www.springframework.org/schema/mvc"
        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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!--    导入数据库连接文件-->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="ignoreUnresolvablePlaceholders" value="true" />
        <property name="location" value="classpath:jdbc.properties"/>
    </bean>
    <!--配置数据源-->
    <bean  id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="username" value="${jdbc.username}"/>
    </bean>

    <!--配置MyBatis的核心对象SqlSessionFactoryBean-->
    <bean id="SessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--创建包扫描器（借助dao接口实现动态代理）-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer           ">
        <property name="basePackage" value="com.login.dao"/>
    </bean>
    <context:component-scan base-package="com.login"/>
    <context:annotation-config/>
    <mvc:annotation-driven/>


    <!-- 提供方应用信息，用于计算依赖关系 -->
    <dubbo:application name="app-provider"/>

    <!-- 使用zookeeper注册中心暴露服务地址 -->
    <dubbo:registry address="127.0.0.1:2181"   protocol="zookeeper" />

    <!-- 用dubbo协议在20880端口暴露服务 -->
    <dubbo:protocol name="dubbo" port="20880" />

    <!-- 声明需要暴露的服务接口 -->
    <dubbo:service interface="com.login.service.loginsService" ref="loginsService" />
</beans>
View Code

　　3.5 jdbc.properties连接数据库

　　   

　　 3.6 log4j.properties日志文件

　　　

　　3.7 web.xml 配置文件

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

  <!--Spring和MyBatis整合的核心配置-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!--配置SpringMVC的核心控制器DispatcherServlet-->
  <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.xml</param-value>
    </init-param>
  </servlet>


  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>


  <servlet-mapping>
    <servlet-name>SpringMVC</servlet-name>
    <!--设置映射路径，/代表所有的请求都会被核心控制器映射到对应的Controller中-->
    <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>
    <!--初始化参数-->
    <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>
View Code

四、dubbo_logins_controller

　　4.1 controller层、resource配置文件、jsp页面　　

　　　　

　　4.2 MyController

package com.login.controller;


import com.login.entity.logins;
import com.login.service.loginsService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;

@Controller
@RequestMapping("/login")
public class MyController {
    @Resource
    private loginsService loginsService;
    @RequestMapping("/checkLogin")

    public String checkLogin(logins logins, HttpServletResponse response){
        response.setCharacterEncoding("UTF-8");
        logins logins1 = loginsService.checkLogin(logins);
        if (logins1==null) {
            return "login";
        }
        return  "index";
    }
}
View Code

　　4.3 applicationContext.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:mvc="http://www.springframework.org/schema/mvc"
       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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
    <context:component-scan base-package="com.login"/>
    <mvc:annotation-driven/>
    <context:annotation-config/>
    <!-- 配置视图解析器,设置前缀和后缀，自动拼接 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/jsp/" />
        <!-- 后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>

    <mvc:default-servlet-handler/>
    <!-- 提供方应用信息，用于计算依赖关系 -->
    <dubbo:application name="consumer"/>

    <!-- 使用zookeeper注册中心暴露服务地址 -->
    <dubbo:registry address="127.0.0.1:2181"   protocol="zookeeper" />

    <!-- 用dubbo协议在20880端口暴露服务 -->
    <dubbo:protocol name="dubbo" port="20880" />

    <!-- 生成远程服务代理，可以和本地bean一样使用demoService -->
    <dubbo:reference id="loginsService" interface="com.login.service.loginsService" />

</beans>
View Code

　　4.4 log4j.properties日志文件

　　　　

 　　4.5 login.jsp登陆页面

　　　 

　　4.6 index.jsp登陆成功页面

　　　　

 　　4.7 web.xml配置文件

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

  <!--Spring和MyBatis整合的核心配置-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!--配置SpringMVC的核心控制器DispatcherServlet-->
  <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.xml</param-value>
    </init-param>
  </servlet>


  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>


  <servlet-mapping>
    <servlet-name>SpringMVC</servlet-name>
    <!--设置映射路径，/代表所有的请求都会被核心控制器映射到对应的Controller中-->
    <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>
    <!--初始化参数-->
    <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>
View Code

五、Tomcat配置

　　

 

 六、效果展示

　　

　　

　　

　　

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