在iPhone/iPad上,是否可以在不使用UIWebview的情况下打开Word和Excel文件?
在iPhone/iPad上,是否可以在不使用UIWebview的情况下打开Word和Excel文件?
你有两个选项。对于iOS 4.0或更高版本,你可以使用QLPreviewController
。你需要实现以下两种方法-
- (NSInteger) numberOfPreviewItemsInPreviewController: (QLPreviewController *) controller
{
return 1; //assuming your code displays a single file
}
- (id <QLPreviewItem>)previewController: (QLPreviewController *)controller previewItemAtIndex:(NSInteger)index
{
return [NSURL fileURLWithPath:path]; //path of the file to be displayed
}
然后按以下方式初始化QLPreviewController-
QLPreviewController *ql = [[QLPreviewController alloc] init];
ql.dataSource = self;
ql.delegate = self;
ql.currentPreviewItemIndex = 0; //0 because of the assumption that there is only 1 file
[self presentModalViewController:ql animated:YES];
[ql release];
对于旧版iOS,您可以按照以下方式使用UIDocumentInteractionController。实现委托方法-
- (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *)controller {
return self;
}
初始化并显示 -
UIDocumentInteractionController* docController = [UIDocumentInteractionController interactionControllerWithURL:fileURL];
docController.delegate = self;
[docController presentPreviewAnimated:YES];
谢谢,
Akshay