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javaÉÏ´«Îļþ
ÐèÒªµÄµÚÈý·½jar°üÓУ¨ÕâÀïʹÓÃapacheµÄ£©
apacheµÄcommons-fileupload£¨ÉÏ´«Óã©£¬commons-io £¨listenerÇåÀíÀàÓã© £¬ commons-beanutils£¨¿ÉÑ¡£©
¾ßÌå²Ù×÷
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
if(ServletFileUpload.isMultipartContent(request)) { //ÅжÏÇëÇóÀàÐÍÊDz»ÊÇmultipart
try {
List<FileItem> fileList = upload.parseRequest(request);
for(FileItem item : fileList) {
if(!item.isFormField()) { //ÅжÏÊDz»ÊÇÎļþ±íµ¥
String filename = item.getName();
String ext = filename.substring(filename.indexOf(".") + 1);
if(!"dic".equalsIgnoreCase(ext)) {
out.println("file type must be .dic");
} else {
File uploadedFile = new File(path + "/" + filename);
item.write(uploadedFile); //±£´æ
out.println("upload ok");
}
}
}
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
} 
ÉÏ´«ÎļþÃû£ºitem.getName();
ÉÏ´«ÎļþÀ©Õ¹Ãû£ºfilename.substring(filename.indexOf(".") + 1);  //×Ô¼ºÅжÏ
ÉÏ´«Îļþ´óС£ºitem.getSize();
±£´æÎļþ£ºitem.write(xx);  //дÈëµÄFile»òInputStreamÖÐ
web.xmlдһ¸öÇå³ýµÄ¼àÌýÆ÷
<web-app>
...
<listener>
<listener-class>
org.apache.commons.fileupload.servlet.FileCleanerCleanup
</listener-class>
</listener>
...
</web-app>
 
phpÎļþÉÏ´«
uploadfileÊÇ±íµ¥ÖÐfileµÄname
ÉÏ´«ÎļþÃû£º$_FILE['uploadfile']['name']
ÉÏ´«ÎļþÀ©Õ¹Ãû£º$_FILE['uploadfile']['type']
ÉÏ´«Îļþ´óС£º$_FILE['uploadfile']['size']
±£´æÎļþ£ºmove_uploaded_file($_FILE['uploadfile']['tmp_name'], $path. $_FILE['uploadfile']['name']);  //Ò»¾ä»°¸ã¶¨