iOS开发代码：从文本文件中读取内容到字符串里(＋ .json文件)

iOS开发代码：从文本文件中读取内容到字符串里

NSError *error;

NSString *textFileContents = [NSString

stringWithContentsOfFile:[[NSBundle mainBundle]

pathForResource:@”myTextFile”

ofType:@”txt”]

encoding:NSUTF8StringEncoding

error: & error];

// If there are no results, something went wrong

if (textFileContents == nil) {

// an error occurred

NSLog(@”Error reading text file. %@”, [error localizedFailureReason]);

}

NSArray *lines = [textFileContents componentsSeparatedByString:@” ”];

NSLog(@”Number of lines in the file:%d”, [lines count] );

    NSError *error;

    NSString *textFileContents = [NSString stringWithContentsOfFile:

                                  [[NSBundle mainBundle] pathForResource:@"hua" ofType:@"json"]

                                                           encoding:NSUTF8StringEncoding

                                                              error: & error];

    if (error) {

        NSLog(@"error %@", error);

    }

    

    id jsonObj = [textFileContents jsonObject];

    NSMutableArray *item = jsonObj;