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fix file upload err cause by parent directory not exists

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This commit is contained in:
bliu
2020-09-09 16:51:57 +08:00
parent 3f7e0916d9
commit cf3aa5c759
1 changed files with 8 additions and 4 deletions
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12
spring-boot-file-upload/src/main/java/com/neo/controller/UploadController.java
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@@ -24,7 +24,7 @@ public class UploadController {
@PostMapping("/upload") // //new annotation since 4.3
public String singleFileUpload(@RequestParam("file") MultipartFile file,
RedirectAttributes redirectAttributes) {
RedirectAttributes redirectAttributes) {
if (file.isEmpty()) {
redirectAttributes.addFlashAttribute("message", "Please select a file to upload");
return "redirect:uploadStatus";
@@ -33,16 +33,20 @@ public class UploadController {
try {
// Get the file and save it somewhere
byte[] bytes = file.getBytes();
Path dir = Paths.get(UPLOADED_FOLDER);
Path path = Paths.get(UPLOADED_FOLDER + file.getOriginalFilename());
// Create parent dir if not exists
if(!Files.exists(dir)) {
Files.createDirectories(dir);
}
Files.write(path, bytes);
redirectAttributes.addFlashAttribute("message",
"You successfully uploaded '" + file.getOriginalFilename() + "'");
"You successfully uploaded '" + file.getOriginalFilename() + "'");
} catch (IOException e) {
redirectAttributes.addFlashAttribute("message", "Server throw IOException");
e.printStackTrace();
}
return "redirect:/uploadStatus";
}