iOS-88-多个button时，如何创建最有效

最新推荐文章于 2024-07-26 23:28:40 发布

原创最新推荐文章于 2024-07-26 23:28:40 发布 · 777 阅读

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#iOS #button #多个 #创建

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本文介绍了一个用于iOS应用中的充值金额选择器组件的实现细节。该组件通过封装一个自定义单元格，允许用户从预设金额中进行选择，并通过UI按钮的样式变化反馈所选金额。

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先看效果图：

单独封装一个类，代码：

//
//  JCPaymentMoneyCell.m
//  HHde
//
//  Created by lhg on 2017/8/11.
//  Copyright © 2017年 lhg. All rights reserved.
//

#import "JCPaymentMoneyCell.h"
#import "JCDefines.h"
#import "UIColor+Hex.h"




@interface JCPaymentMoneyCell ()

@property (nonatomic, strong) NSArray *moneyArr;

@end


@implementation JCPaymentMoneyCell

- (void)awakeFromNib {
    [super awakeFromNib];
    
    self.backgroundColor = [UIColor whiteColor];
    
    _moneyArr = @[@100,@200,@300,@400,@500,@1000];
    
    UILabel *moneyLabel = [[UILabel alloc] initWithFrame:CGRectMake(15, 8, 120, 36)];
    moneyLabel.text     = @"充值金额";
    moneyLabel.font     = [UIFont systemFontOfSize:16.0];
    moneyLabel.textColor= [UIColor blackColor];
    [self addSubview:moneyLabel];
    
    for (int i=0; i<6; i++) {
        UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
        
        if (i<3) {
            btn.frame = CGRectMake(15+i*(30+(kMAIN_SCREEN_WIDTH-15*2-30*2)/3), 44+4, (kMAIN_SCREEN_WIDTH-15*2-30*2)/3, 36);
        }else{
            btn.frame = CGRectMake(15+(i-3)*(30+(kMAIN_SCREEN_WIDTH-15*2-30*2)/3), 44+44+4, (kMAIN_SCREEN_WIDTH-15*2-30*2)/3, 36);
        }
        
        btn.layer.masksToBounds = YES;
        btn.layer.cornerRadius  = 5.0;
        btn.layer.borderWidth   = 0.5;
        
        if (i==0) {
            [btn setTitleColor:[UIColor jcHHnavigation_Color] forState:UIControlStateNormal];
            btn.layer.borderColor = [UIColor jcHHnavigation_Color].CGColor;
        } else {
            [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
            btn.layer.borderColor = [UIColor blackColor].CGColor;
        }
        
        int money = [_moneyArr[i] intValue];
        [btn setTitle:[NSString stringWithFormat:@"%d元",money] forState:UIControlStateNormal];
        
        btn.tag = 100+i;
        [btn addTarget:self action:@selector(selectMoney:) forControlEvents:UIControlEventTouchUpInside];
        
        [self addSubview:btn];
    }
    
    
}


// 金额点击事件
- (void)selectMoney:(UIButton *)button{
    
    for (UIView *view in self.subviews) {
        if ([view isKindOfClass:[UIButton class]]) {
            UIButton *btn = (UIButton *)view;
            if (btn.tag == button.tag) {
                [btn setTitleColor:[UIColor jcHHnavigation_Color] forState:UIControlStateNormal];
                btn.layer.borderColor = [UIColor jcHHnavigation_Color].CGColor;
            } else {
                [btn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
                btn.layer.borderColor = [UIColor blackColor].CGColor;
            }
        }
        
    }
    
    if (self.delegate && [self.delegate respondsToSelector:@selector(paymentSelectWithMoney:)]) {
        int money = [_moneyArr[button.tag-100] intValue];
        [self.delegate paymentSelectWithMoney:money];
    }
}