idea下用maven建立並搭建dubbox微服務環境專案(三)——開發consume
今天第三天,繼續dubbo微服務環境搭建:
1. 新建module smbms-user-consume
2. 增加jar 包依賴
2.1)spring-webmvc (spring+spring web + spring mvc)
<!--spring mvc--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.2.13.RELEASE</version> </dependency> <!--servlet 包--> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <!-- jstl 包 javaweb 的標籤使用依賴--> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency>
2.2)dubbo
<!-- dubbo 包-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.8.4</version>
</dependency>
2.3)zookeeper
<!--zookeeper 包-->
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.6</version>
</dependency>
2.4)zkclient
<!-- zkclient 包--> <dependency> <groupId>com.101tec</groupId> <artifactId>zkclient</artifactId> <version>0.8</version> </dependency>
2.5)hessian
<!--hessian 包-->
<dependency>
<groupId>com.caucho</groupId>
<artifactId>hessian</artifactId>
<version>4.0.7</version>
</dependency>
3. 編寫控制器(spring mvc)--->UserController
package cn.kgc1803.smbms_user_consume.controller;
import cn.kgc1803.smbms_common.pojo.User;
import cn.kgc1803.smbms_common.service.UserService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.annotation.Resource;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private UserService userService;
//登陸
@RequestMapping(value = "/dologin.html",method = RequestMethod.POST)
public String dologin(User user, HttpSession session){
User u = userService.loginUser(user);
if (u!=null){//登陸失敗
session.setAttribute("session_user",u);
return "index";
}else {//登陸成功
return "login";
}
}
}
4. 編寫spring mvc 配置檔案(spring-servlet)
配置檔案的頭部名稱空間如下:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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/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">
spring-servlet.xml配置檔案:
4.1)配置springmvc掃描注入控制器
<!--配置springmvc掃描注入控制器-->
<context:component-scan base-package="cn.kgc1803.smbms_user_consume.controller"/>
4.2)配置註解驅動(解析控制器需求)
<!--配置註解驅動(解析控制器需求)-->
<mvc:annotation-driven/>
4.3)配置檢視解析器(解析邏輯頁面->jsp物理頁面位置)
<!--配置檢視解析器(解析邏輯頁面->jsp物理頁面位置)-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>
4.4)配置靜態資源
<!--靜態資源配置-->
<mvc:resources mapping="/statics/**" location="/statics/"/>
5. 編寫頁面
login.jsp登陸頁面:
<%--
Created by IntelliJ IDEA.
User: Lenovo
Date: 2018/12/24
Time: 15:00
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>登陸</title>
</head>
<body>
<form method="post" action="${pageContext.request.contextPath}/user/dologin.html">
使用者名稱:<input name="userCode">
密碼:<input name="password">
<input type="submit" value="登陸">
</form>
</body>
</html>
index.jsp首頁:
<%--
Created by IntelliJ IDEA.
User: Lenovo
Date: 2018/12/24
Time: 15:00
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>首頁</title>
</head>
<body>
登陸成功,歡迎你:${session_user.userName}<br>
訂單列表:
<ul>
</ul>
</body>
<script type="text/javascript" src="${pageContext.request.contextPath}/statics/js/jquery-1.4.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/statics/js/order.js"></script>
</html>
6. 配置web.xml
module中的web.xml設定:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<!--啟動之後直接進入首頁-->
<welcome-file-list>
<welcome-file>/WEB-INF/view/login.jsp</welcome-file>
</welcome-file-list>
<!--spring mvc -->
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--啟動spring mvc 配置檔案-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-servlet.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
----------------------------以下都是dubbo 消費者的配置------------------------------
7. 編寫dubbo的配置檔案(消費者) dubbo_user_consume.xml
名稱空間:
<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"
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">
7.1)應用的名稱
<!--1)應用的名稱-->
<dubbo:application name="smbms_user_consume"/>
7.2)註冊中心
<!--註冊中心地址-->
<dubbo:registry address="zookeeper://localhost:2181"/>
7.3)訂閱服務
<!--訂閱服務(有多少個服務,就需要寫多少個訂閱)-->
<dubbo:reference interface="cn.kgc1803.smbms_common.service.UserService" id="userService"/>
8. 配置smbms-user-consume的web.xml(dubbo)
8.1)啟動dubbo 消費者配置檔案
<!--啟動dubbo-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:smbms_user_consume.xml</param-value>
</context-param>
8.2)讓springmvc 與 dubbo 兩個spring容器能互相訪問
<!--讓多個spring之間的訪問-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
8.3)完整的web.xml配置檔案:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<!--啟動之後直接進入首頁-->
<welcome-file-list>
<welcome-file>/WEB-INF/view/login.jsp</welcome-file>
</welcome-file-list>
<!--啟動dubbo-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:smbms_user_consume.xml</param-value>
</context-param>
<!--讓多個spring之間的訪問-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--spring mvc -->
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--啟動spring mvc 配置檔案-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-servlet.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
9. 完善smbms-user-consume的補充,並體現出order用的rest風格
引進jquery-1.4.js,並簡寫一個order.js:
$(function () {
$.ajax({
url:"http://localhost:20888/order/orderlist/11",
dataType:"jsonp",
success:function (orderList) {
var ul=$('ul');
$.each(orderList,function (index,item) {
ul.append('<li>'+item.proName+'</li>');
});
}
});
});
並補充完整log4j.properties日誌配置檔案,結構如圖:
10. 測試
tomcat佈置,因為中介軟體的埠號已經使用了8080埠號,所以這裡需要改埠號:
跟之前一樣,需要啟動zookeeper中介軟體的量的服務和tomcat的服務,並且這裡先啟動smbms-user-provider模組的測試,檢視http://localhost:8080/dubbo-admin-2.8.4/註冊中心是否有兩個服務釋出:
首先啟動:TestProvider類;再啟動tomcat,進入首頁:
首頁:
這裡還需要調整,訂單列表沒有顯示出來。
等待繼續更新!!!!