In the autumn weather, I go to travel, "" {" data" : [], "code" : 1, the "message" : "trickling water 嬭 鎴 愬 姛"}

"" I uploaded the file content on the left, the right is more content, after I downloaded file format for the TXT format

Below to download the complete code

 public static void dowFile (String fileName, HttpServletResponse response) throws the Exception {
If (fileName!=null) {
//set the file path 
The File File=new File (ClassUtils getDefaultClassLoader (). The getResource (" "). GetPath () + "static \ " + fileName); 
Response. SetContentType (" application/force - download "); Don't open//set the mandatory download 
String jieguo=fileName. The substring (fileName. IndexOf (" ~ ") + 1); 
The response. AddHeader (" the Content - the Disposition ", "legislation; FileName="+ URLEncoder. Encode (jieguo" utf-8 "));//set the file name 
Byte [] buffer=new byte [1024]. 
FileInputStream fis=null; 
BufferedInputStream bis=null; 
Try {
Fis=new FileInputStream (file); 
The bis=new BufferedInputStream (fis); 
OutputStream OS=response. GetOutputStream (); 
Int I=bis. Read (buffer); 
While (I!=1) {
OS. Write (buffer, 0, I); 
I=the bis. Read (buffer); 
} 
} the catch (Exception e) {
Throw new BusinessException (download "failure"); 
} the finally {
If (bis!=null) {
Try {
The bis. Close (); 
} the catch (IOException e) {
e.printStackTrace(); 
} 
} 
If (fis!=null) {
Try {
Fis. Close (); 
} the catch (IOException e) {
e.printStackTrace(); 
} 
} 
} 
} else {
Throw new BusinessException (" no the file "); 
} 

CodePudding user response:

Good is very useful