===============fileup.jsp页面主要代码================
<body>
单个文件
<form action="${pageContext.request.contextPath}/fileup" method="post"
enctype="multipart/form-data">
<input type="file" name="photo"><br /> <input type="submit"
value="上传">
</form>
多个文件
<form action="${pageContext.request.contextPath}/morefileup"
method="post" enctype="multipart/form-data">
<input type="file" name="photos"><br /> <input type="file"
name="photos"><br /> <input type="file" name="photos"><br />
<input type="submit" value="上传">
</form>
</body>===============单个,多个文件上传的控制器方法!上传成功跳转到ok.jsp=========
/**
* 单个文件上传
* @param photo 照片文件
* @param session session对象
* @return ModelAndView
* @throws IllegalStateException 异常
* @throws IOException 异常
*/
@RequestMapping(value="/fileup",method=RequestMethod.POST)
public ModelAndView doFileUp(@RequestParam MultipartFile photo,HttpSession session) throws IllegalStateException, IOException{
System.out.println("file");
if (!photo.isEmpty()) { //判断文件不为空
System.out.println("Photo");
//服务端的image目录手动创建
//path=D:apache-tomcat-7.0.73webappsSpringMVC4.3.7image
//D:\Eclipseworkspace\SpringMVC4.3.7\WebContent\image
String path = session.getServletContext().getRealPath("/image");
//获取原始文件名
String fileName = photo.getOriginalFilename();
//限制文件上传格式
if (fileName.endsWith(".jpg") || fileName.endsWith(".png")) {
File file = new File(path, fileName);
//判断路径是否存在
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
//完成上传
photo.transferTo(file);
} else{
return new ModelAndView("fileup.jsp");
}
}
return new ModelAndView("ok.jsp");
}
/**
* 多个文件上传
* @param photos 照片文件数组
* @param session session对象
* @return ModelAndView
* @throws IllegalStateException 异常
* @throws IOException 异常
*/
@RequestMapping(value="/morefileup",method=RequestMethod.POST)
public ModelAndView doMoreFileUp(@RequestParam MultipartFile[] photos, HttpSession session) throws IllegalStateException, IOException{
//服务端的image目录手动创建
//path=D:apache-tomcat-7.0.73webappsSpringMVC4.3.7image
String path = session.getServletContext().getRealPath("/image");
for (MultipartFile photo : photos) {
if (!photo.isEmpty()) { //判断文件不为空
System.out.println("Photo");
//获取原始文件名
String fileName = photo.getOriginalFilename();
//限制文件上传格式
if (fileName.endsWith(".jpg") || fileName.endsWith(".png")) {
File file = new File(path, fileName);
//判断路径是否存在
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
//完成上传
photo.transferTo(file);
} else{
return new ModelAndView("fileup.jsp");
}
}
}
return new ModelAndView("ok.jsp");
}=================springmvc.xml中注册multipart解析器==================
<!-- 注册multipart解析器 id名固定,是由DispatcherServlet直接调用 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 设置编码格式 要与jsp界面一致 -->
<property name="defaultEncoding" value="utf-8"></property>
<!-- 限制大小10M[10485760] -->
<property name="maxUploadSize" value="10485760"></property>
</bean>这样就可以了!注意要导入一些文件上传的包!我用的maven,如果你用的导包方式的话就自己加包,maven导包我也贴出来
<!-- 上传文件包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.2</version>
</dependency>