标签：配置 requests 失败 red lse multi cep head pos
前端页面
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>上传!</title>
</head>
<body>
<form method="POST" enctype="multipart/form-data" action="/upload">
<p>
文件：<input type="file" name="file1" />
</p>
<p>
<input type="submit" value="上传" />
</p>
</form>
<form method="POST" enctype="multipart/form-data" action="/uploadBatch">
<p>
文件1：<input type="file" name="file" />
</p>
<p>
文件2：<input type="file" name="file" />
</p>
<p>
<input type="submit" value="上传" />
</p>
</form>
</body>
</html>
上传配置UploadConfig.java
package com.zns.config; import javax.servlet.MultipartConfigElement; import org.springframework.boot.web.servlet.MultipartConfigFactory; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class UploadConfig { @Bean public MultipartConfigElement multipartConfigElement() { MultipartConfigFactory factory = new MultipartConfigFactory(); // 设置文件大小限制 ,超了，页面会抛出异常信息，这时候就需要进行异常信息的处理了; factory.setMaxFileSize("1024KB"); // KB,MB // 设置总上传数据总大小 factory.setMaxRequestSize("1024KB"); // Sets the directory location where files will be stored. // factory.setLocation("路径地址"); return factory.createMultipartConfig(); } }
UploadController.java
package com.zns.controller; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.List; import javax.servlet.http.HttpServletRequest; 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.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.MultipartHttpServletRequest; @Controller public class UploadController { // 单文件上传 @RequestMapping(value = "/upload", method = RequestMethod.POST) @ResponseBody public String upload(@RequestParam("file1") MultipartFile file) { if (!file.isEmpty()) { try { // 此处是上传到了根目录 BufferedOutputStream out = new BufferedOutputStream( new FileOutputStream(new File(file.getOriginalFilename()))); out.write(file.getBytes()); out.flush(); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); return "上传失败," + e.getMessage(); } catch (IOException e) { e.printStackTrace(); return "上传失败," + e.getMessage(); } return "上传成功"; } else { return "上传失败，因为文件是空的."; } } // 多文件上传 @RequestMapping(value = "/uploadBatch", method = RequestMethod.POST) @ResponseBody public String uploadBatch(HttpServletRequest request) { List<MultipartFile> files = ((MultipartHttpServletRequest) request).getFiles("file"); MultipartFile file = null; BufferedOutputStream stream = null; for (int i = 0; i < files.size(); ++i) { file = files.get(i); if (!file.isEmpty()) { try { byte[] bytes = file.getBytes(); stream = new BufferedOutputStream(new FileOutputStream(new File(file.getOriginalFilename()))); stream.write(bytes); stream.close(); } catch (Exception e) { stream = null; return "第" + i + "个文件上传失败：" + e.getMessage(); } } else { return "上传失败,第" + i + "个文件为空！"; } } return "上传成功"; } }
标签：配置 requests 失败 red lse multi cep head pos
原文地址：https://www.cnblogs.com/zengnansheng/p/10389798.html
