模态框的弹出与取消

"en">

    "UTF-8">
    
    


"b1">点击弹出

class="cover hide">

class="modal hide">
    
"" >
        

            for="">用户名:
                "text">
            
        
        

            for="">密码:
                "text">
            
        
        

                "submit" value="登录">
                "qu" type="button" value="取消">