我必须将6个文件上传到服务器并重命名，但由于某些原因，下面的代码似乎正在本地主机上工作并正确上传所有内容，但是相同的代码片段在托管时无法在服务器上运行。我有时会重命名和上传2个文件或3个文件。有人可以看看这段代码并给我一些意见。
} else if (!item.isFormField()) {
long size = item.getSize();
String contentType = item.getContentType();
System.out.println("Field Name = " + item.getFieldName()
+ ", File Name = " + item.getName()
+ ", Content type = " + item.getContentType()
+ ", File Size = " + item.getSize()
+ ", boolean isInMemory = " + item.isInMemory());
String fieldname = item.getFieldName();
String name = item.getName();
if ((fieldname.equals("img1")) && name != null) {
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName1 is " + ImageName + "'");
businessfForm.setImg1(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
} else if ((fieldname.equals("img2"))&& name != null){
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName2 is " + ImageName + "'");
businessfForm.setImg2(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
} else if ((fieldname.equals("img3"))&& name != null) {
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName3 is " + ImageName + "'");
businessfForm.setImg3(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
} else if ((fieldname.equals("img4"))&& name != null){
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName4 is " + ImageName + "'");
businessfForm.setImg4(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
} else if ((fieldname.equals("img5"))&& name != null){
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName5 is " + ImageName + "'");
businessfForm.setImg5(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
} else if ((fieldname.equals("img6"))&& name != null){
if ((size < 1048576) && (("image/jpeg".equals(contentType)) || ("image/jpg".equals(contentType)) || ("image/gif".equals(contentType)) || ("image/png".equals(contentType)) || ("image/bmp".equals(contentType)))) {
String filetype = name.substring(name.lastIndexOf("."));
ImageName = System.currentTimeMillis() + filetype;
System.out.println(" ImageName6 is " + ImageName + "'");
businessfForm.setImg6(ImageName);
} else {
request.setAttribute("ImageError", ImageError);
}
}
File file = new File(destinationDir, ImageName);
try {
item.write(file);
} catch (Exception ex) {
Logger.getLogger(xxx.class.getName()).log(Level.SEVERE, "Failed to parse upload request", ex);
}
}
更新。打印语句输出如下，
Field Name = img1, File Name = 1.jpg, Content type = image/jpeg, File Size = 24236, boolean isInMemory = false
ImageName1 is 1393377151014.jpg'
Field Name = img2, File Name = 2 (2).jpg, Content type = image/jpeg, File Size = 240476, boolean isInMemory = false
ImageName2 is 1393377151015.jpg'
Field Name = img3, File Name = 2.jpg, Content type = image/jpeg, File Size = 27127, boolean isInMemory = false
ImageName3 is 1393377151015.jpg'
Field Name = img4, File Name = 3 (2).jpg, Content type = image/jpeg, File Size = 295437, boolean isInMemory = false
ImageName4 is 1393377151015.jpg'
Field Name = img5, File Name = 4 (2).jpg, Content type = image/jpeg, File Size = 248775, boolean isInMemory = false
ImageName5 is 1393377151015.jpg'
Field Name = img6, File Name = 5.jpg, Content type = image/jpeg, File Size = 30309, boolean isInMemory = false
ImageName6 is 1393377151015.jpg'