Zuul【文件上传】

<dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
</dependencies>

spring:
  application:
    name: zuul-gateway
  servlet:  #spring boot2.0之前是http
    multipart:
      enabled: true   # 使用http multipart上传处理
      max-file-size: 100MB # 设置单个文件的最大长度，默认1M，如不限制配置为-1
      max-request-size: 100MB # 设置最大的请求文件的大小，默认10M，如不限制配置为-1
      file-size-threshold: 10MB  # 当上传文件达到10MB的时候进行磁盘写入
      location: /  # 上传的临时目录
server:
  port: 5555
eureka:
  client:
    serviceUrl:
      defaultZone: http://${eureka.host:127.0.0.1}:${eureka.port:8888}/eureka/
  instance:
    prefer-ip-address: true
    
##### Hystrix默认超时时间为1秒，如果要上传大文件，为避免超时，稍微设大一点
hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            timeoutInMilliseconds: 30000
ribbon:
  ConnectTimeout: 3000
  ReadTimeout: 30000

multipart:
   enabled: true  
   max-file-size: 100MB 

spring:
  http:
    multipart:
      enabled: true   
      max-file-size: 100MB 

spring:
  servlet:  
    multipart:
      enabled: true   
      max-file-size: 100MB 

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
@EnableDiscoveryClient
@EnableZuulProxy
public class ZuulServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(ZuulServerApplication.class, args);
    }
}

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

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

@Controller
public class ZuulUploadController {

    @PostMapping("/upload")
    @ResponseBody
    public String uploadFile(@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();
    }
}