iOS登录时验证手机号与倒计时发送验证码问题详解

+ (BOOL)valiMobile:(NSString *)mobile{
        if (mobile.length != 11){
            //判断手机号码是否为11位
            return NO;
            }else{
                //使用正则表达式的方法来判断手机号
/**
* 移动号段正则表达式
  */
                NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
/**
* 联通号段正则表达式
*/
                 NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
/**
* 电信号段正则表达式
*/
                NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
//初始化NSPredicate对象
                NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
//与具体对象进行筛选判断, 返回为BOOL值
                BOOL isMatch1 = [pred1 evaluateWithObject:mobile];
                NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
                BOOL isMatch2 = [pred2 evaluateWithObject:mobile];
                NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
            BOOL isMatch3 = [pred3 evaluateWithObject:mobile];
                if (isMatch1 || isMatch2 || isMatch3) {
                    return YES;
                    }else{
                return NO;
            }
        }
}

#import@interface UIButton (BtnTime)

/**

按钮倒计时的问题

@param countDownTime 倒计时的时间(分钟)

*/

- (void)buttonWithTime:(CGFloat)countDownTime;

@end

#import "UIButton+BtnTime.h"
/** 倒计时的显示时间 */
static NSInteger secondsCountDown;
/** 记录总共的时间 */
static NSInteger allTime;
@implementation UIButton (BtnTime)
- (void)buttonWithTime:(CGFloat)countDownTime {
self.userInteractionEnabled = NO;
secondsCountDown = 60 * countDownTime;
allTime = 60 * countDownTime;
[self setTitle:[NSString stringWithFormat:@"%lds后重新获取",secondsCountDown] forState:UIControlStateNormal];
[NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(timeFireMethod:) userInfo:nil repeats:YES];
}
-(void)timeFireMethod:(NSTimer *)countDownTimer{
//倒计时-1
secondsCountDown--;
//修改倒计时标签现实内容
[self setTitle:[NSString stringWithFormat:@"%lds后重新获取",secondsCountDown] forState:UIControlStateNormal];
//当倒计时到0时，做需要的操作，比如验证码过期不能提交
if(secondsCountDown == 0){
[countDownTimer invalidate];
[self setTitle:@"重新获取" forState:UIControlStateNormal];
secondsCountDown = allTime;
self.userInteractionEnabled = YES;
}
}
@end