调用代码：
```
[self customAlertViewWithTitle:nil Message:@"微信号已成功复制，请前往微信搜索添加" CancelBtnTiele:@"稍后再去" SureButtonTitle:@"去添加"];
```
核心代码：
```
-(void)customAlertViewWithTitle:(NSString*)title Message:(NSString*)msg CancelBtnTiele:(NSString*)cancelTitle SureButtonTitle:(NSString*)sureTitle{
UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:(UIAlertControllerStyleAlert)];
UIAlertAction*cancelAction = [UIAlertActionactionWithTitle:cancelTitlestyle:UIAlertActionStyleCancelhandler:^(UIAlertAction*_Nonnullaction) {
//[alertVC dismissViewControllerAnimated:YES completion:nil];
}];
UIAlertAction*okAction = [UIAlertActionactionWithTitle:sureTitlestyle:UIAlertActionStyleDefaulthandler:^(UIAlertAction*_Nonnullaction) {
//[alertVC dismissViewControllerAnimated:YES completion:nil];
//调起微信
}];
//修改title
// NSMutableAttributedString *alertControllerStr = [[NSMutableAttributedString alloc] initWithString:title];
// [alertControllerStr addAttribute:NSForegroundColorAttributeName value:kBlackColor range:NSMakeRange(0, 2)];
// [alertControllerStr addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:15] range:NSMakeRange(0, 2)];
// [alertVC setValue:alertControllerStr forKey:@"attributedTitle"];
//修改message
NSMutableAttributedString *alertControllerMessageStr = [[NSMutableAttributedString alloc] initWithString:msg];
[alertControllerMessageStraddAttribute:NSForegroundColorAttributeNamevalue:kBlackColorrange:NSRangeFromString(msg)];
[alertControllerMessageStraddAttribute:NSFontAttributeNamevalue: [UIFont systemFontOfSize:18] range:NSRangeFromString(msg)];
[alertVCsetValue:alertControllerMessageStrforKey:@"attributedMessage"];
//修改按钮字体颜色
[cancelActionsetValue:kLightGrayColorforKey:@"titleTextColor"];
[okActionsetValue:[UIColor colorWithHexString:@"F57A00"] forKey:@"titleTextColor"];
[alertVCaddAction:cancelAction];
[alertVCaddAction:okAction];
[self presentViewController:alertVC animated:YES completion:nil];
}
```
这里我去掉了title，如果需要title,直接写上title,把核心代码块里面注释的更改title颜色，字体大小的代码解注释就可以了。
运行效果如下：
效果图，这里没有写title
就到这里啦~
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