SpringMVC 多文件上传

时间:2023-03-09 20:47:55
SpringMVC 多文件上传

springMVC.xml 配置

<bean id="multipartResolver"  class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="uft-8" /> <!-- 默认编码 (ISO-8859-1) -->
<property name="maxInMemorySize" value="10240" /> <!-- 最大内存大小 (10240)-->
<property name="uploadTempDir" value="/upload/" /> <!-- 上传后的目录名 (WebUtils#TEMP_DIR_CONTEXT_ATTRIBUTE) -->
<property name="maxUploadSize" value="-1" /> <!-- 最大文件大小,-1为无限止(-1) -->
</bean>

jsp代码

 <form action="spring/upload2"  enctype="multipart/form-data" method="post">
上传文件1:<input name="file" type="file"/><br/>
上传文件2:<input name="file" type="file"/><br/>
<input type="submit" value="提交">
</form>

后台代码

@RequestMapping(value = "/upload2")
public String filesUpload(@RequestParam("file") MultipartFile[] files,
HttpServletRequest request) throws IOException {
// 开始上传时间
long start = new Date().getTime();
String message = "";
try {
for (int i = 0; i < files.length; i++) {
if (!files[i].isEmpty()) {
// 拿到文件名称
String fileName = files[i].getOriginalFilename();
// 上传路径
String path = "G:/" + fileName;
System.out.println("文件名:" + fileName);
// 上传
files[i].transferTo(new File(path));
message = "上传成功";
request.getSession().setAttribute("message", message);
}
message = "上传成功";
request.getSession().setAttribute("message", message);
//结束时间
long end = new Date().getTime();
System.out.println(end - start);
} } catch (FileNotFoundException e) {
e.printStackTrace();
}
return "forward:/WEB-INF/jsp/FileUpload/result.jsp";
}