iOS选择手机文件PDF等

<UIDocumentPickerDelegate>

---

NSArray *types = @[@"public.content", @"public.text", @"public.source-code ", @"public.image", @"public.audiovisual-content", @"com.adobe.pdf", @"com.apple.keynote.key", @"com.microsoft.word.doc", @"com.microsoft.excel.xls", @"com.microsoft.powerpoint.ppt”];

 UIDocumentPickerViewController *documentPicker = [[UIDocumentPickerViewController alloc] initWithDocumentTypes:types inMode:UIDocumentPickerModeOpen];

documentPicker.delegate = self;

    documentPicker.modalPresentationStyle = UIModalPresentationFullScreen;

[self presentViewController:documentPicker animated:YES completion:nil];

---

- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentAtURL:(NSURL *)url {

 NSLog(@"文件路径=%@",url);

 BOOL canAccessingResource = [url startAccessingSecurityScopedResource];

 if(canAccessingResource) {

 NSFileCoordinator *fileCoordinator = [[NSFileCoordinator alloc] init];

 NSError *error;

 [fileCoordinator coordinateReadingItemAtURL:url options:0 error:&error byAccessor:^(NSURL *newURL) {

 NSData *fileData = [NSData dataWithContentsOfURL:newURL];

 NSArray *arr = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

 NSString *documentPath = [arr lastObject];

 NSString *desFileName = [documentPath stringByAppendingPathComponent:@"myFile.pdf"];

 [fileData writeToFile:desFileName atomically:YES];

 [self dismissViewControllerAnimated:YES completion:NULL];

 }];

 if (error) {

 // error handing

 }

 } else {

 // startAccessingSecurityScopedResource fail

 }

 [url stopAccessingSecurityScopedResource];

}