menu.js

javascript语言获取日期时间

//点击菜单附加信息，将文本框的值删除
function clearcontent(obj)
{ 
   var value = obj.value;
   if (value == "菜单具有何种优惠或活动")
   {
       obj.value="";
   } 
}

//提交填写的菜单信息前的验证
function skiptomenuInsert()
{ 
  var menu_name = document.getElementById('menu_name');
  var table_price = document.getElementById('table_price');
  var table_person = document.getElementById('table_person');
  var detail = document.getElementById('menus');  
   
  var name_value = menu_name.value;
  var price_value = table_price.value;
  var person_value = table_person.value;
  var detail_value = detail.value;      

  if (name_value == "")
  {
    window.alert("菜单名称不能为空！"); 
    menu_name.focus();
  }
  else if (price_value == "")
  {
    window.alert("每桌价格不能为空！"); 
    table_price.focus();
  }
  else if (!checkNum('每桌价格','table_price'))
  {
  }
  else if (price_value > 65535)
  {
  	window.alert("每桌价格不能超过65535！"); 
  	table_price.focus();
  }
  else if (person_value == "")
  {
    window.alert("每桌人数不能为空！"); 
    table_person.focus();
  }
  else if (!checkNum('每桌人数','table_person'))
  {
  }
  else if (person_value > 20)
  {
  	window.alert("每桌人数不能超过20！"); 
  	table_person.focus();
  }
  else if (detail_value == "")
  {
    window.alert("菜单详情不能为空！"); 
    detail.focus();
  }
  else
  {
     document.forms[0].action = "menuInsert.jsp";     
     document.forms[0].submit();  
  }
}

//跳转到菜单添加界面
function menuAdd()
{
	document.forms[0].action = "menuAdd.jsp";			
	document.forms[0].submit();
}

//跳转到菜单删除界面
function menuDel(form_num,catnote)
{
	if (boxCheck(form_num,catnote))
	{
		if (checkDel())
		{			
			document.forms[0].action = "menuDel.jsp";			
			document.forms[0].submit();
		}		
	}
}

//跳转到菜单修改界面
function menuUpdate(form_num,catnote)
{
	if (boxCheck(form_num,catnote))
	{
		document.forms[0].action = "menuUpIndex.jsp";			
		document.forms[0].submit();
	}
}

//菜单修改提交前的验证
function check_update_submit()
{	
    var menu_name = document.getElementById('menu_name');
    var table_price = document.getElementById('table_price');
    var table_person = document.getElementById('table_person');
    var detail = document.getElementById('menus');
      
    var name_value = menu_name.value;
    var price_value = table_price.value;
    var person_value = table_person.value;
    var detail_value = detail.value;    
	
	  if (name_value == "")
	  {
	    window.alert("菜单名称不能为空！"); 
	    menu_name.focus();
	  }
	  else if (price_value == "")
	  {
	    window.alert("每桌价格不能为空！"); 
	    table_price.focus();
	  }
	  else if (!checkNum('每桌价格','table_price'))
	  {
	  }
	  else if (price_value > 65535)
	  {
	  	window.alert("每桌价格过大，请如实填写！！"); 
	  	table_price.focus();
	  }
	  else if (person_value == "")
	  {
	    window.alert("每桌人数不能为空！"); 
	    table_person.focus();
	  }
	  else if (!checkNum('每桌人数','table_person'))
	  {
	  }
	  else if (person_value > 20)
	  {
	  	window.alert("每桌人数过大，请如实填写！！"); 
	  	table_person.focus();
	  }
	  else if (detail_value == "")
	  {
	    window.alert("菜单详情不能为空！"); 
	    detail.focus();
	  }
	  else
	  {
	     document.forms[0].action = "menuUpdate.jsp";
	     document.forms[0].submit();  
	  }	
}