如何在 Xcode 4（iPhone 应用程序）中正确读取 .txt 文件
我正在尝试将 .txt(test) 文件读入 TextView (testText) 中：
-(void)viewDidLoad {
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"txt"];
if (filePath) {
NSString *contentOfFile = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];
testText.text = contentOfFile;
}
[filePath release];
}
是的，该文件位于支持文件目录中。 我还尝试了一些“类似”的操作，例如“initWithContentOfFile”等，但我收到了三个不同的错误： 1.SIGABRT 2. EXEC_BAD_ACCESS 3. 它正在读取文本，但添加了许多不应在 testText 中显示的附加数据，例如 {colortbl;red255 green 255 blue 255;margl1440.... 等等。
我做错了吗？嗯，当然是因为它不起作用，但是我在哪一部分失败了呢？文件中的原文是“这是一个测试。终于成功了！”它也显示，但只有在很多奇怪的附加文本之后才显示。
I'm trying to read a .txt(test) file into a TextView (testText) :
-(void)viewDidLoad {
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"txt"];
if (filePath) {
NSString *contentOfFile = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];
testText.text = contentOfFile;
}
[filePath release];
}
Yes the file is in the Supporting Files directory.
I also tried some "similar" actions like "initWithContentOfFile" etc. but I got three different errors:
1. SIGABRT
2. EXEC_BAD_ACCESS
3. It is reading the text but adds a lot of additional data it shouldn't display in the testText like {colortbl;red255 green 255 blue 255;margl1440.... and so on.
Am I doing it wrong? Well, certainly because it doesn't work, but at which part do I fail? The original text in the file is "This is a test. Finally it works!" its displayed too but only after a lot of strange additional text.
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首先，不要调用
[filePath release];。-pathForResource:ofType:将返回一个自动释放的字符串，因此您不应再次释放它。{colortbl;red255...文本表示您的文件实际上是 RTF 文件。它可能被命名为.txt，但它实际上是 RTF。您需要创建一个纯文本文件（在 TextEdit 中，您可以选择“格式”>“制作纯文本”来执行此操作）。Firstly, don't call
[filePath release];.-pathForResource:ofType:will return an autoreleased string, so you shouldn't release it again.The
{colortbl;red255...text indicates that your file is actually an RTF file. It might be named.txt, but it is really RTF. You need to create a plain text file (in TextEdit you can choose Format > Make Plain Text to do this).