SpringBoot如何搭建文件上传服务
这篇文章主要介绍Spring Boot如何搭建文件上传服务,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!

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本文实例为大家分享了Spring Boot搭建文件上传服务的具体代码,供大家参考,具体内容如下
一、服务端
pom.xml
4.0.0 org.springframework.boot spring-boot-starter-parent 1.3.3.RELEASE com.test.spring spring-boot 1.0.0 jar spring-boot http://maven.apache.org UTF-8 1.8 1.8 org.springframework.boot spring-boot-starter-web commons-io commons-io 2.4
package com.test.spring;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.MultipartConfigElement;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Part;
import org.apache.commons.io.IOUtils;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.context.embedded.MultipartConfigFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
@EnableAutoConfiguration
public class FileUploadController
{
@RequestMapping(value="/upload", method=RequestMethod.POST)
@ResponseBody
public String upload(HttpServletRequest request) throws Exception
{
Part part = request.getPart("uploadfile");
InputStream input = part.getInputStream();
OutputStream output = new FileOutputStream("d:/tmp/" + part.getSubmittedFileName());
IOUtils.copy(input, output);
output.close();
input.close();
return "OK";
}
@Bean
MultipartConfigElement createMultipartConfigElement()
{
MultipartConfigFactory mcf = new MultipartConfigFactory();
/**
* 设置最大上传文件的大小,默认是10MB
*/
mcf.setMaxFileSize("50MB");
return mcf.createMultipartConfig();
}
public static void main(String[] args) throws Exception {
SpringApplication.run(FileUploadController.class, args);
}
}注意:spring-boot-starter-web 1.3.3.RELEASE 依赖的servlet是3.1
二、客户端
客户端使用httpclient调用
先配置maven依赖
org.apache.httpcomponents httpclient 4.5.2 org.apache.httpcomponents httpmime 4.5.2
测试代码
package com.test.upload;
import java.io.File;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
public class HttpUpload
{
public static void main(String[] args)throws Exception
{
String url = "http://127.0.0.1:8080/upload";
CloseableHttpClient client = HttpClients.createDefault();
HttpPost httppost = new HttpPost(url);
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.addBinaryBody("uploadfile", new File("D:/develop/apache-karaf-3.0.4.zip"));
HttpEntity reqEntity = builder.build();
httppost.setEntity(reqEntity);
CloseableHttpResponse resp = client.execute(httppost);
String str = EntityUtils.toString(resp.getEntity());
System.out.println(str);
resp.close();
client.close();
}
}以上是“Spring Boot如何搭建文件上传服务”这篇文章的所有内容,感谢各位的阅读!希望分享的内容对大家有帮助,更多相关知识,欢迎关注创新互联行业资讯频道!
本文标题:SpringBoot如何搭建文件上传服务
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