省市区代码

- (NSMutableArray*)getAddressDataSource
{
    NSString *dataPath=[NSHomeDirectory() stringByAppendingString:@"/Documents/newcity.txt"];
    NSData *data = [[NSData alloc] initWithContentsOfFile:dataPath];
    
    TTDPRINT(@"========%ld",[data length]);
    if([data length]<1000){
        
        dataPath= [[NSBundle mainBundle] pathForResource:@"newcity" ofType:@"txt"];
        data = [[NSData alloc] initWithContentsOfFile:dataPath];//914843
        
        
    }
    
    NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data];
    NSMutableArray *array = [unarchiver decodeObjectForKey:@"user"];
    TTDPRINT(@"===地区array=====%@",array);
    
    return array;
    
    
    
    
}