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新增spring cloud用例

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罗祥
2019-01-16 17:27:29 +08:00
parent 5861cd8a4a
commit 2c862b5124
43 changed files with 1017 additions and 4 deletions
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69
spring-cloud/spring-cloud-zuul/zuul/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<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.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.8.RELEASE</version>
<relativePath/>
</parent>
<artifactId>zuul</artifactId>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Finchley.SR2</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--eureka-client-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<!--zuul-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
</project>

18
spring-cloud/spring-cloud-zuul/zuul/src/main/java/com/heibaiying/zuul/ZuulApplication.java Normal file
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package com.heibaiying.zuul;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
@SpringBootApplication
@EnableZuulProxy
@EnableDiscoveryClient
public class ZuulApplication {
public static void main(String[] args) {
SpringApplication.run(ZuulApplication.class, args);
}
}

81
spring-cloud/spring-cloud-zuul/zuul/src/main/java/com/heibaiying/zuul/config/CustomZuulFallbackProvider.java Normal file
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package com.heibaiying.zuul.config;
import org.springframework.cloud.netflix.zuul.filters.route.FallbackProvider;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.stereotype.Component;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* @author : heibaiying
* @description : zuul 的熔断器
*/
@Component
public class CustomZuulFallbackProvider implements FallbackProvider {
/*
* 定义熔断将用于哪些路由的服务
*/
@Override
public String getRoute() {
return "consumer";
}
@Override
public ClientHttpResponse fallbackResponse(String route, Throwable cause) {
return new ClientHttpResponse() {
/**
* 返回响应的HTTP状态代码
*/
@Override
public HttpStatus getStatusCode() throws IOException {
return HttpStatus.SERVICE_UNAVAILABLE;
}
/**
* 返回HTTP状态代码
*/
@Override
public int getRawStatusCode() throws IOException {
return HttpStatus.SERVICE_UNAVAILABLE.value();
}
/**
* 返回响应的HTTP状态文本
*/
@Override
public String getStatusText() throws IOException {
return HttpStatus.SERVICE_UNAVAILABLE.getReasonPhrase();
}
@Override
public void close() {
}
/**
* 将消息正文作为输入流返回
*/
@Override
public InputStream getBody() throws IOException {
return new ByteArrayInputStream("商城崩溃了,请稍后重试！".getBytes());
}
/**
* 将消息正文作为输入流返回
*/
@Override
public HttpHeaders getHeaders() {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(MediaType.APPLICATION_JSON_UTF8);
return httpHeaders;
}
};
}
}

26
spring-cloud/spring-cloud-zuul/zuul/src/main/java/com/heibaiying/zuul/controller/LoginController.java Normal file
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package com.heibaiying.zuul.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpSession;
import java.util.Random;
/**
* @author : heibaiying
* @description : 登录
*/
@Controller
public class LoginController {
@RequestMapping("index")
public String login(){
return "index";
}
@RequestMapping("login")
public String login(String username,HttpSession session){
session.setAttribute("code",username+String.valueOf(new Random().nextInt(10*1000)));
return "redirect:/consumer/sell/products";
}
}

71
spring-cloud/spring-cloud-zuul/zuul/src/main/java/com/heibaiying/zuul/filter/CustomZuulFilter.java Normal file
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package com.heibaiying.zuul.filter;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.omg.CORBA.Request;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* @author : heibaiying
* @description : 自定义filter过滤器
*/
@Component
public class CustomZuulFilter extends ZuulFilter {
/**
* 返回过滤器的类型
*/
@Override
public String filterType() {
return FilterConstants.PRE_TYPE;
}
/**
* 返回过滤器的优先级顺序
*/
@Override
public int filterOrder() {
return 0;
}
/**
* 从此方法返回“true”意味着应该调用下面的 run（）方法
*/
@Override
public boolean shouldFilter() {
return true;
}
/**
* ZuulFilter的核心校验方法
*/
@Override
public Object run() throws ZuulException {
RequestContext currentContext = RequestContext.getCurrentContext();
HttpServletRequest request = currentContext.getRequest();
String code = (String)request.getSession().getAttribute("code");
if (StringUtils.isEmpty(code)){
// 设置值为false 不将请求转发到对应的服务上
currentContext.setSendZuulResponse(false);
// 设置返回的状态码
currentContext.setResponseStatusCode(HttpStatus.NON_AUTHORITATIVE_INFORMATION.value());
HttpServletResponse response = currentContext.getResponse();
try {
// 跳转到登录页面
response.sendRedirect("/index");
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
}

22
spring-cloud/spring-cloud-zuul/zuul/src/main/resources/application.yml Normal file
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server:
port: 8090
# 指定服务命名
spring:
application:
name: zuul
# 指定注册中心地址
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8010/eureka/
# 网关的路由
zuul:
routes:
xxxx: #这个地方的值是可以任意的字符串
path: /producer/**
serviceId: producer
consumer:
path: /consumer/**
serviceId: consumer
# 指定前缀
# prefix: /v1

12
spring-cloud/spring-cloud-zuul/zuul/src/main/resources/templates/index.ftl Normal file
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<!doctype html>
<html lang="en">
<head>
<title>Title</title>
</head>
<body>
<form action="/login" method="post">
<input name="username" type="text">
<button id="btn">输入临时用户名后登录！</button>
</form>
</body>
</html>

17
spring-cloud/spring-cloud-zuul/zuul/src/test/java/com/heibaiying/zuul/ZuulApplicationTests.java Normal file
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package com.heibaiying.zuul;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class ZuulApplicationTests {
@Test
public void contextLoads() {
}
}