objective c将整型转换为字符型:
Convert Integer to NSString:
int Value = 112;
NSString *ValueString = [NSString stringWithFormat:@"%d", Value];
Convert NSString to C Integer:
int Value = 112;
int ValueString = [Value
intValue];
char *ValueasCString = (char *)[ValueString UTF8String];
[NSString stringWithFormat:@"%d,%d",x ,y]