MB HUD 加载

导入 MBProgressHUD 第三方

// 显示提示框
-(void)showMBAlertWithMessage:(NSString *)msg{
    
    MBProgressHUD *hud = [[MBProgressHUD alloc]initWithView:self.view];
    // 设置文本的提示样式 显示样式
    hud.mode = MBProgressHUDModeText;
    // 自动从父视图移除
    hud.removeFromSuperViewOnHide = YES;
    hud.labelText = msg;
    [self.view addSubview:hud];
    [hud show:YES];
    [hud hide:YES afterDelay:2.0];
    
}   


//再点击事件里添加
 [self showMBAlertWithMessage:@"手机号不可为空"];```