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;