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我用下面的代码打开一个文件NSOpenPanel URL字符串
NSOpenPanel * panel = [NSOpenPanel openPanel];
[panel setCanSelectHiddenExtension:YES];
[panel setRequiredFileType:@"scpt"];
[panel setAllowsOtherFileTypes:NO];
[panel
beginSheetForDirectory:nil
file:@"Script"
modalForWindow:[self window]
modalDelegate:self
didEndSelector:@selector (openFileDidEnd:returnCode:contextInfo:)
contextInfo:nil];
-(void)openFileDidEnd:(NSSavePanel*)panel returnCode:(int)returnCode contextInfo:(void*)contextInfo
{
if(returnCode == NSOKButton)
{
NSString *s=[[panel URL] absoluteString];
[NSThread detachNewThreadSelector:@selector(setFileString:) toTarget:self withObject:s ];
}
};
价值是 '文件://home/Users/myName/Desktop/1.scpt'
如果我叫
如果与路径S中的文件存在bool b=[[NSFileManager defaultManager] fileExistsAtPath:@"file://home/Users/myName/Desktop/1.scpt"];
检查,它总是返回0
,但如果我在搜索检查,我发现它的路径是“/用户/ myNam e/Desktop/1.scpt'
bool b=[[NSFileManager defaultManager] fileExistsAtPath:@"/Users/myName/Desktop/1.scpt"];
会返回YES!
如何从NSOpenPanel的URL获取正确的字符串路径?
欢迎任何评论
为了澄清这个问题,URL响应'absoluteString'和URL的字符串表示形式。这不是一个路径名,不能用于像'fileExistsAtPath:'这样的方法。要获取URL的路径名,您需要询问它的“路径”。 –