3

我正在尝试以 NSString 的形式从我的文档目录中读取一个 .txt 文件。知道如何将文件读入 NSString 吗?

谢谢...

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5 回答 5

3

使用 NSString 的 stringWithContentsOfFile: 方法。

NSString *fileContents = [NSString stringWithContentsOfFile:@"some/file.txt"];
于 2010-12-09T09:14:03.223 回答
2
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSString *myPathDocs =  [documentsDirectory stringByAppendingPathComponent:@"myfile.txt"];

    if (![[NSFileManager defaultManager] fileExistsAtPath:myPathDocs])
    {
        NSString *myPathInfo = [[NSBundle mainBundle] pathForResource:@"myfile" ofType:@"txt"];
        NSFileManager *fileManager = [NSFileManager defaultManager];
        [fileManager copyItemAtPath:myPathInfo toPath:myPathDocs error:NULL];
    }       

    //Load from File
NSString *myString = [[NSString alloc] initWithContentsOfFile:myPathDocs encoding:NSUTF8StringEncoding error:NULL];

这对我有用

总之谢谢大家。。

于 2010-12-09T11:16:35.817 回答
1

希望这可以帮助...

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask,  YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *fileContents=[documentsDirectory stringByAppendingPathComponent:@"file.txt"];

快乐的编码...

于 2010-12-09T09:55:46.730 回答
1

希望这就是你所追求的:

NSString *myString  = [[NSString alloc] initWithContentsOfFile:@"pathToFile"];

我通常让它在应用程序文档目录中查找。

于 2010-12-09T09:16:01.903 回答
0

我认为这是从 DocumentDirectory 读取 .txt 文件的最佳方式。

 NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *filePath = [documentsDirectory stringByAppendingPathComponent:@"txtFile.txt"];
    NSString *content = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:NULL];

我希望这对你有用!

于 2016-04-26T06:17:03.243 回答