您好我在从按钮执行 Unix 命令时遇到问题。
这是我到目前为止所拥有的：
> #import <Cocoa/Cocoa.h>
>
> @interface PUPController : NSWindow { }
> - (IBAction)OpenPUP:(id)PUPC;
> - (IBAction)DestinationFolder:(id)PUPC;
> - (IBAction)Exit:(id)PUPC;
> - (IBAction)Unpack:(id)PUPC;
>
> @end
>
> #import "OPDFPUE.h"
>
> @implementation PUPController
>
> - (IBAction)OpenPUP:(id)PUPC; {
> NSArray* fileTypes = [[NSArray alloc] initWithObjects:@"PUP", nil];
> NSOpenPanel* openDlg = [NSOpenPanel openPanel];
> [openDlg setCanChooseFiles:YES];
> [openDlg setCanChooseDirectories:NO];
> [openDlg setAllowsMultipleSelection:NO];
> [openDlg setMessage:@"Select Playsation 3 System Software Update (PUP) File for Extraction"];
> if ( [openDlg runModalForTypes:fileTypes] == NSOKButton )
> {
> NSArray* files = [openDlg filenames];
> }
> NSString * tvarDirectory = [openDlg directory];
> NSString * tvarFilename = [openDlg filename]; }
>
> - (IBAction)DestinationFolder:(id)PUPC; {
> NSSavePanel *saveDlg = [NSSavePanel savePanel];
> [saveDlg setMessage:@"Select folder to save extracted contents of the Playsation 3 System Software Update (PUP) File selected"];
> int tvarInt = [saveDlg runModal];
>
> if(tvarInt == NSOKButton){
> }
> else if(tvarInt == NSCancelButton) {
> return;
> }
> else {
> return;
> }
> NSString * tvarDirectory = [saveDlg directory];
> NSString * tvarFilename = [saveDlg filename]; }
>
> - (IBAction)Exit:(id)PUPC; {
> exit(0); } NSTask *pupunpack;
>
> - (IBAction)Unpack:(id)PUPC {
>
> pupunpack=[[NSTask alloc] init];
> [pupunpack setLaunchPath:@"/usr/bin/pupunpack"];
> [pupunpack launch];
> }
>
> - (id)init {
>
> } @end
如果有人可以提供帮助，那就太好了。基本上我正在做的是插入一个文件，设置目标然后程序将解压缩该文件。我有一个打开的对话框来选择一个 pup 文件，然后是一个保存对话框来选择保存目标。然后我有一个解压按钮，它目前什么都不做。解压按钮需要参数。如果有人可以提供帮助，那就太好了。
我是Objective-C的新手，我试图找到尽可能多的信息，但我似乎无法让它发挥作用。这是我正在使用的 unix 应用程序。