效果图：
代码：.h中
typedef void(^SBBlock)(NSInteger num);
@interface SBAlertView : UIView
/**
* 蒙版
*/
@property (nonatomic,strong)UIView *blackView;
/**
* 提示框
*/
@property (strong,nonatomic)UIView * alertview;
/**
* 标题
*/
@property (strong,nonatomic)NSString * title;
/**
* 内容
*/
@property (nonatomic,copy)NSString *contentStr;
-(void)initWithTitle:(NSString *)title contentStr:(NSString *)content BtnArray:(NSArray *)array andBlock:(SBBlock)block;
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.m中
@interface SBAlertView ()
/**
* 创建block对象
*/
@property (nonatomic, copy) SBBlock block;
/**
* 标题label
*/
@property(strong,nonatomic)UILabel *isCreate;
/**
* 内容
*/
@property(strong,nonatomic)UILabel *attenL;
/**
* 取消按钮
*/
@property(strong,nonatomic)UIButton *btn1;
/**
* 确定按钮
*/
@property(strong,nonatomic)UIButton *btn2;
/**
* 横线
*/
@property(strong,nonatomic)UILabel *label1;
/**
* 竖线
*/
@property(strong,nonatomic)UILabel *label2;
@end
@implementation SBAlertView
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
//创建遮罩
self.blackView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT)];
self.blackView.backgroundColor = [UIColor blackColor];
self.blackView.alpha = 0.5;
UITapGestureRecognizer *tap1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewTapped:)];
tap1.cancelsTouchesInView = NO;
[self.blackView addGestureRecognizer:tap1];
[self addSubview:_blackView];
//创建alert
self.alertview = [[UIView alloc]initWithFrame:CGRectMake(30, HEIGHT/2-120-64, WIDTH-60, 240)];
// self.alertview.center = self.center;
self.alertview.layer.cornerRadius = 5;
self.alertview.clipsToBounds = YES;
self.alertview.backgroundColor = [UIColor whiteColor];
[self addSubview:_alertview];
[self createAliertView];
}
return self;
}
-(void)viewTapped:(UITapGestureRecognizer*)tap1
{
self.alpha = 0.0;
[self removeFromSuperview];
self.alertview = nil;
}
//创建View
-(void)createAliertView{
self.isCreate = [[UILabel alloc]initWithFrame:CGRectMake( 20,10, self.alertview.frame.size.width-40, 43)];
self.isCreate.font = [UIFont boldSystemFontOfSize:18];
self.isCreate.textAlignment=NSTextAlignmentCenter;
self.attenL = [[UILabel alloc]initWithFrame:CGRectMake(self.isCreate.frame.origin.x, self.isCreate.frame.origin.y+20, self.alertview.frame.size.width-40, 100)];
self.attenL.font = [UIFont systemFontOfSize:15];
self.attenL.numberOfLines = 0;
self.attenL.font = [UIFont systemFontOfSize:14];
self.attenL.textColor = [UIColor blackColor];
[self.alertview addSubview:self.attenL];
[self.alertview addSubview:self.isCreate];
[self createBtnTitleWithCancel];
}
//创建button
- (void)createBtnTitleWithCancel
{
CGFloat m = self.alertview.frame.size.width;
//横线和竖线
self.label1=[[UILabel alloc] initWithFrame:CGRectMake(0, self.alertview.height-50, self.alertview.width, 1)];
self.label1.backgroundColor=[UIColor lightGrayColor];
[self.alertview addSubview:self.label1];
self.label2=[[UILabel alloc] initWithFrame:CGRectMake(self.alertview.width/2, self.alertview.height-50, 1, 50)];
self.label2.backgroundColor=[UIColor lightGrayColor];
[self.alertview addSubview:self.label2];
//取消按钮
self.btn1 = [UIButton buttonWithType:UIButtonTypeCustom];
self.btn1.tag=1001;
self.btn1.frame = CGRectMake(0, self.alertview.height-50,m/2, 50);
[self.btn1 setTitleColor:TINTCOLOR forState:UIControlStateNormal];
[self.btn1 addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.btn1.titleLabel setFont:[UIFont systemFontOfSize:18]];
//确定按钮
self.btn2 = [UIButton buttonWithType:UIButtonTypeCustom];
self.btn2.tag=1002;
self.btn2.frame = CGRectMake(m/2, self.alertview.height-50,m/2, 50);
[self.btn2 setTitleColor:TINTCOLOR forState:UIControlStateNormal];
[self.btn2 addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.btn2.titleLabel setFont:[UIFont systemFontOfSize:18]];
[self.alertview addSubview:self.btn1];
[self.alertview addSubview:self.btn2];
}
- (void)clickBtn:(UIButton *)btn
{
self.block(btn.tag-1000);
[self.blackView removeFromSuperview];
}
//传值，并且高度自适应
-(void)initWithTitle:(NSString *)title contentStr:(NSString *)content BtnArray:(NSArray *)array andBlock:(SBBlock)block
{
self.block=block;
CGFloat m = self.alertview.frame.size.width;
self.isCreate.text = title;
self.attenL.text= content;
if (array.count==1) {
[self.btn2 setTitle:[NSString stringWithFormat:@"%@", array[0]] forState:UIControlStateNormal];
}else{
[self.btn1 setTitle:[NSString stringWithFormat:@"%@", array[0]] forState:UIControlStateNormal];
[self.btn2 setTitle:[NSString stringWithFormat:@"%@", array[1]] forState:UIControlStateNormal];
}
CGRect r = [content boundingRectWithSize:CGSizeMake(self.alertview.width-40,1000) options:(NSStringDrawingUsesLineFragmentOrigin) attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:17.f]} context:nil];
self.attenL.frame = CGRectMake(self.isCreate.frame.origin.x, CGRectGetMaxY(self.isCreate.frame), self.alertview.frame.size.width-40, r.size.height);
if (array.count==1) {
self.btn2.frame=CGRectMake(0, CGRectGetMaxY(self.attenL.frame)+15, m, 50);
[self.btn1 removeFromSuperview];
[self.label2 removeFromSuperview];
}else{
self.btn1.frame=CGRectMake(0, CGRectGetMaxY(self.attenL.frame)+15, m/2, 50);
self.btn2.frame=CGRectMake(m/2, CGRectGetMaxY(self.attenL.frame)+15,m/2, 50);
}
self.label1.frame=CGRectMake(0, CGRectGetMaxY(self.attenL.frame)+15, self.alertview.width, 1);
self.label2.frame=CGRectMake(self.alertview.width/2,CGRectGetMaxY(self.attenL.frame)+15, 1, 50);
self.alertview.frame=CGRectMake(30, HEIGHT/2-120-64,WIDTH-60 ,CGRectGetMaxY(self.btn2.frame)+1);
}
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使用：
SBAlertView *alertView = [[SBAlertView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT)];
NSArray *array=@[@"退出",@"重新登录"];//也可以只写一个，看需要
[alertView initWithTitle:@"下线通知" contentStr:@"你的账号在另一台设备登录。如非本人操作，则密码可能已泄露，建议立即修改密码或冻结账号。" BtnArray:array andBlock:^(NSInteger num){
if (num == 1)
{
// 退出
NSLog(@"点击退出");
}
else
{
NSLog(@"点击重新登录");
}
}];
写在后面：新手初试，不喜勿喷。感谢~（喜欢点❤️）
有不对的地方请告诉我，一起进步。再次感谢！
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