1.运行效果如图所示

2.实现代码如下

    
     
          
      
           
       data-target触发模态弹出窗元素    
           
       
            
            
        
             
             
         
          通过data-target触发    
              
          
                   
           
                        
            
                             
             
                                  
              
                                   
               
                ×
                
                                     Close                    
                 
                  模态弹出窗标题                                
                  
                                       
                   
模态弹出窗主体内容
                                
                   
                                        
                    
                                         关闭                    
                     
                      保存