#pragma mark 判断字符串是不是数字
- (BOOL)isPureInt:(NSString*)string {
NSScanner* scan = [NSScanner scannerWithString:string];
int val;
return [scan scanInt:&val] && [scan isAtEnd];
}
返回YES为数字
#pragma mark 判断字符串是不是数字
- (BOOL)isPureInt:(NSString*)string {
NSScanner* scan = [NSScanner scannerWithString:string];
int val;
return [scan scanInt:&val] && [scan isAtEnd];
}
返回YES为数字