checkconference.js

非常完整的Java开发的网络办公系统

var now = new Date();         
var currentHour = now.getHours();
var currentMinute = now.getMinutes();

function checkIt(form)
{   
   if ( !stripWhitespace(form.subject.value) || isEmpty(form.subject.value) )
   {
      alert("请输入会议标题");
      form.subject.focus();
      return false;
   }
   if(form.subject.value.length>100)
   {
      alert("会议标题过长,最多100字");
      form.subject.focus();
      return false;
   }  
   if( form.boardroomId.value =="-1" )
   {
      alert("请选择会议室!");
      form.boardroomId.focus();
      return false;
   }
    
   if( !isEmpty(form.startDate.value)  )
   {            
      if(!isVNEXDate(form.startDate.value))
      {
        alert("会议开始日期非法");
        form.startDate.focus();
        return false;
      }  
      if( currentTime > form.startDate.value)
      {
        alert("会议开始日期必须在本日之后");
        form.startDate.focus();
        return false;
      }
   } 
   if( form.startDate.value =='' )
   {
        alert("会议开始日期非法");
        form.startDate.focus();
        return false;
   }
   if( form.endDate.value =='' )
   {
        alert("会议结束日期非法");
        form.endDate.focus();
        return false
   }
   if( !isEmpty(form.endDate.value) )
   {            
      if(!isVNEXDate(form.endDate.value) )
      {
        alert("会议结束日期非法");
        form.endDate.focus();
        return false;
      }      
      if( currentTime > form.endDate.value)
      {
        alert("会议结束日期必须在本日之后");
        form.endDate.focus();
        return false;
      }
   }     
   if( !isEmpty(form.endDate.value) && !isEmpty(form.startDate.value) )
   {                        
      if(form.startDate.value > form.endDate.value)
      {
        alert("会议结束日期必须在会议开始日期之后");
        form.endDate.focus();
        return false;
      }
   }  
   
   
   if( form.startDate.value == form.endDate.value  )
   {
       // if the time equal current time
       if ( form.startDate.value == currentTime )
       {
          // if the start hour less than current hour
          if ( form.startHour.value < currentHour )
      	  {
      	     alert("会议开始小时必须在当前小时之后");
             form.startHour.focus();
             return false;
      	  }
      	  
      	  if( form.startHour.value == currentHour )
      	  {
      	     if( form.startMinute.value <= currentMinute )
      	     {
      	         alert("会议开始分钟必须在当前分钟之后");
      	           
                 form.startMinute.focus();
                 return false;
             }
      	  } 
      	  
      	  if ( form.startHour.value == form.endHour.value )
          {
                 if( form.endMinute.value <= form.startMinute.value )
                 {
                    alert("会议结束分钟必须大于开始分钟");
                    form.endMinute.focus();
                    return false;
                 }
          }	
       }
       // if the start hour equals end hour
       if ( form.startHour.value == form.endHour.value  )
       {
          
          
           if( form.endMinute.value <= form.startMinute.value )//form.startMinute.value
           {
              alert("会议结束分钟必须大于开始分钟");
              form.endMinute.focus();
              return false;
           }	
       }
       // if the start hour more than  end hour
       if ( form.endHour.value < form.startHour.value )
       {
       	     alert("会议结束小时必须大于开始小时");
             form.endHour.focus();
             return false;
       }
   }
   // judge the attendee if is empty
   if ( form.attendeeIDList.value=='' )
   {
      alert("请选择参加人!");
      form.attendeeIDList.focus();
      return false;
   } 
   if(form.description.value.length>500)
   {
      alert("会议描述过长,最多500字");
      form.description.focus();
      return false;
   } 
   return true;
}