Mac OS 打开Finder选取文件

NSOpenPanel *panel = [NSOpenPanel openPanel];

        [panel setAllowsMultipleSelection:NO];

        [panel setCanChooseDirectories:YES];

        [panel setCanChooseFiles:YES];

        [panel setAllowedFileTypes:@[@"png", @"jpeg", @"jpg"]];//可以选择的格式

        [panel setAllowsOtherFileTypes:YES];

        [panel beginWithCompletionHandler:^(NSInteger result) {

            if (result == NSModalResponseOK) {//点击确定以后

                NSString *path = [panel.URLs.firstObject path];

                //code

            }

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        }];

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转载自blog.csdn.net/quanhaoH/article/details/82146676