把txt文件中的json字符串写到plist文件中

- (void)json2Plist

{

    NSString *filePath = [self applicationDocumentsDirectoryFileName:@"json"];

    NSMutableArray *tempArray = [[NSMutableArray alloc] initWithContentsOfFile:filePath];

    //第一次添加数据时,数组为空

    if (tempArray.count == ) {

        tempArray = [NSMutableArray array];

    }

    
　　//文件名(utf-8编码)

    NSString *path = [[NSBundle mainBundle] pathForResource:@"city2" ofType:@"txt"];

    NSString *contents = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];

    NSArray  *list = [contents componentsSeparatedByString:@","];

    for (NSString *tempStr in list) {

        NSDictionary *dict = [tempStr propertyListFromStringsFileFormat];

        [tempArray addObject:dict];

    }

    BOOL success = [tempArray writeToFile:filePath atomically:YES];

    NSLog(@"success:%d",success);

}

#pragma mark - 获取沙盒中的Plist文件路径

- (NSString *)applicationDocumentsDirectoryFileName:(NSString *)fileName

{

    NSString *filePath;

    //沙盒中的Document文件夹

    NSString *documentDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];

    //获取传来的Plist文件名

    NSString *fileNameStr = [NSString stringWithFormat:@"%@.plist",fileName];

    filePath = [documentDirectory stringByAppendingPathComponent:fileNameStr];

    return filePath;

}

//txt文本格式示例:
{id = ;contents = "北京市";},{id = ;contents = "天津市";},{id = ;contents = "石家庄市";},{id = ;contents = "阿勒泰地区";}