支付密码输入

.h文件

#import <UIKit/UIKit.h>

@protocol payPwsViewDelegate <NSObject>

- (void)payPwsViewDelegate;

@end

@interface PayPwsView : UIView{

}

@property(nonatomic,strong)id <payPwsViewDelegate> delegate;

@end

.m文件

//

//  PayPwsView.m

//  GWhome

//

//  Created by 陈万里 on 15/11/27.

//  Copyright © 2015年 chenwanli. All rights reserved.

//

#import "PayPwsView.h"

#define RGB_A(R,G,B,A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]

// 获取屏幕高度

#define kDeviceHeight [UIScreen mainScreen].bounds.size.height

// 获取屏幕宽度

#define kDeviceWidth  [UIScreen mainScreen].bounds.size.width

#define FONTNAME(font,name) [UIFont fontWithName:name size:font];

@implementation PayPwsView

- (id)initWithFrame:(CGRect)frame{

    self = [superinitWithFrame:frame];

    if (self) {

        self.backgroundColor =RGB_A(0,0, 0,0.5);

        

        UIView *bgView =[[UIViewalloc]initWithFrame:CGRectMake((kDeviceWidth -280) / 2,kDeviceHeight - 400,280, 150)];

        bgView.layer.cornerRadius =5;

        bgView.layer.masksToBounds =YES;

        bgView.backgroundColor = [UIColorwhiteColor];

        [selfaddSubview:bgView];

        

        UILabel *pwsLabel = [[UILabelalloc]initWithFrame:CGRectMake(0,0, bgView.frame.size.width,40)];

        pwsLabel.textAlignment =1;

        pwsLabel.font =FONTNAME(18,@"Helvetica-Bold");

        pwsLabel.text =@"请输入支付密码";

        [bgView addSubview:pwsLabel];

        

        //    分割线

        UIImageView *separatorImg = [[UIImageViewalloc]initWithFrame:CGRectMake(0,39, bgView.frame.size.width,1)];

        separatorImg.backgroundColor = [UIColorredColor];

        [bgView addSubview:separatorImg];

        

        float initialX = (bgView.frame.size.width - 40 * 6) /2;

        for (int i =0; i < 6; i++) {

            UITextField *pwsField = [[UITextFieldalloc]initWithFrame:CGRectMake(initialX + i *40, 75,40, 40)];

            pwsField.textAlignment =1;

            pwsField.tag = i +100;

            pwsField.keyboardType =UIKeyboardTypeNumberPad;

            pwsField.layer.borderWidth =0.5;

            pwsField.layer.borderColor = [UIColorblackColor].CGColor;

            pwsField.secureTextEntry =YES;

            pwsField.userInteractionEnabled =NO;

            [bgView addSubview:pwsField];

        }

        

        UIButton *pwsBut = [UIButtonbuttonWithType:UIButtonTypeCustom];

        pwsBut.frame =CGRectMake(initialX, 100,35 * 6,35);

        [pwsBut addTarget:selfaction:@selector(pwsBut:)forControlEvents:UIControlEventTouchUpInside];

        [bgView addSubview:pwsBut];

        

        UITextField *bigPwsField = [[UITextFieldalloc]initWithFrame:CGRectMake(0,0, 35,35)];

        bigPwsField.hidden =YES;

        bigPwsField.textAlignment =1;

        bigPwsField.tag =1000;

        bigPwsField.keyboardType =UIKeyboardTypeNumberPad;

        [bigPwsField addTarget:selfaction:@selector(pwsField:)forControlEvents:UIControlEventEditingChanged];

        [bgView addSubview:bigPwsField];

        

    }

    returnself;

}

- (void)pwsBut:(UIButton *)sender{

    UITextField *pwsField = (UITextField *)[selfviewWithTag:1000];

    if (sender ==nil) {

        pwsField.text =@"";

    }

    [selfdistributionPws];

    [pwsField becomeFirstResponder];

}

- (void)distributionPws{

    UITextField *bigPwsField = (UITextField *)[selfviewWithTag:1000];

    for (int i =0; i < 6; i++) {

        if (i < bigPwsField.text.length) {

            UITextField *pwsField = (UITextField *)[selfviewWithTag:100 + i];

            pwsField.text = [bigPwsField.textsubstringWithRange:NSMakeRange(i,1)];

        }else{

            UITextField *pwsField = (UITextField *)[selfviewWithTag:100 + i];

            pwsField.text =@"";

        }

    }

}

- (void)pwsField:(UITextField *)sender{

    if (sender.text.length <7) {

        [selfdistributionPws];

        if (sender.text.length ==6) {

            [selfkenEnd];

            [self.delegatepayPwsViewDelegate];

        }

    }else{

        sender.text = [sender.textsubstringWithRange:NSMakeRange(0,sender.text.length - 1)];

    }

}

- (void)setFrame:(CGRect)frame{

    [supersetFrame:frame];

    if (frame.origin.y <1) {

        [selfpwsBut:nil];

    }

}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

    [selfkenEnd];

}

- (void)kenEnd{

    [self.superviewendEditing:YES];

    [UIViewanimateWithDuration:0.5animations:^{

        self.frame =CGRectMake(0,kDeviceHeight,kDeviceWidth,kDeviceHeight);

    }];

}

@end