springcloud14---zuul

package com.itmuch.cloud.study;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

@SpringBootApplication
@EnableEurekaClient
public class FileUploadApplication {
  public static void main(String[] args) {
    SpringApplication.run(FileUploadApplication.class, args);
  }
}

package com.itmuch.cloud.study.controller;

import java.io.File;
import java.io.IOException;

import org.springframework.stereotype.Controller;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

@Controller
public class FileUploadController {
  /**
   有界面的測試：http://localhost:8050/index.html
   使用cmd命令：curl -F "file=@文件全名" localhost:8050/upload
  @return 文件在服務器上的絕對路徑
   */
    
//把zuul啓動起來（8040端口），經過http://localhost:8040/microservice-file-upload/upload訪問
//也能夠經過http://localhost:8040/zuul/microservice-file-upload/upload
//zuul上傳小文件不加/zuul前綴，大文件加/zuul繞過spring的。
/*
zuul上傳大文件要在zuul工程的配置文件設置超時：
#通過zuul的請求都會經過hysitrcs包裹，因此zuul會有斷路器功能，配置hysitrcs的超時時間
hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds: 60000
#zuul還使用了ribbon作負載均衡，要設備ribbon的超時時間
ribbon:
  ConnectTimeout: 3000
  ReadTimeout: 60000
*/
  @RequestMapping(value = "/upload", method = RequestMethod.POST)
  public @ResponseBody String handleFileUpload(@RequestParam(value = "file", required = true) MultipartFile file) throws IOException {
    byte[] bytes = file.getBytes();
    File fileToSave = new File(file.getOriginalFilename());
    FileCopyUtils.copy(bytes, fileToSave);
    return fileToSave.getAbsolutePath();
  }
}

server:
  port: 8050
#加入到eureka
eureka:
  client:
    serviceUrl:
      defaultZone: http://user:password123@localhost:8761/eureka/
  instance:
    prefer-ip-address: true
spring:
  application:
    name: microservice-file-upload
  http:
    multipart:
      max-file-size: 2000Mb      # Max file size，默認1M
      max-request-size: 2500Mb   # Max request size，默認10M

<?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>
  <groupId>com.itmuch.cloud</groupId>
  <artifactId>microservice-file-upload</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <!-- 引入spring boot的依賴 -->
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.4.2.RELEASE</version>
  </parent>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>1.8</java.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-eureka</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
  </dependencies>

  <!-- 引入spring cloud的依賴 -->
  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-dependencies</artifactId>
        <version>Camden.SR2</version>
        <type>pom</type>
        <scope>import</scope>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <!-- 添加spring-boot的maven插件 -->
  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
</project>