出錯的原始代碼:
 1 var  factNo  =   " 0240 " ; 
  2 var  defaultDate; 
  3 var  endPoint  =   " <%=request.getContextPath()%>/bfapp " ; 
  4 var  buffalo  =   new  Buffalo(endPoint); 
  5 function  loadCexpbver() { 
  6     buffalo.remoteCall( " cexpbverService.listAll " , [],  function (reply) { 
  7          var  list  =  reply.getResult(); 
  8         defaultDate  =  list[ 0 ].updateDate; 
  9          var  strTable  =   " <table width=\ " 98 % \ "  cellpadding=\ " 3 \ "   "  
 10          +   " cellspacing=\ " 1 \ "  class=\ " TableBorderLight\ "  
 11 align=\ " center\ " > "  
 12          +   " <tr class=TableTitle><th>Update Date</th> "  
 13          +   " <th>User</th></tr> " ; 
 14          for  ( var  i = 0 ; i < list.length; i ++ )  { 
 15              var  className  =  (i % 2 == 0 ) ? " TableBodyLight " : " TableBodyDark " ; 
 16             strTable  +=   " <tr class= "   +  className 
 17              +   "  onclick=\ " loadCexpbodr(' "  + list[i].updateDate 
 18             +  " ')\ "  style=\ " cursor:pointer\ " > "  
 19              +   " <td align=center> "   +  formatDate(list[i].updateDate)  +  
 20 " </td> "  
 21              +   " <td> "   +  list[i].userNo  +   " </td> "  
 22              +   " </tr> " ; 
 23         }  
 24         strTable  +=   " </table> " ; 
 25          var  table  =  $ { " cexpbver " } ; 
 26         table.innerHTML  =  strTable; 
 27     } ); 
 28
29
30 }  
 31
32
33 function  loadCexpbodr(ud) { 
 34     buffalo.remoteCall( " cexpbodrService.findByUpdateDate " , [factNo,ud], 
 35 function (reply) { 
 36          var  strTable  =   " <table width=\ " 98 % \ "  cellpadding=\ " 3 \ "   "  
 37          +   " cellspacing=\ " 1 \ "  class=\ " TableBorderLight\ "  
 38 align=\ " center\ " > " ; 
 39          var  list  =  reply.getResult(); 
 40          for  ( var  i = 0 ;i < list.length;i ++ ) { 
 41              var  className  =  (i % 2 == 0 ) ? " TableBodyLight " : " TableBodyDark " ; 
 42             strTable  +=   " <tr class= "   +  className  +   " ><td> "   +  
 43 list[i].partNo  +   " </td> "  
 44                  +   " <td> "   +  list[i].style  +   " </td> "  
 45                  +   " <td> "   +  list[i].width  +   " </td></tr> " ; 
 46         }  
 47         strTable  +=   " </table> "  
 48          var  table  =  $ { " cexpbodr " } ; 
 49         table.innerHTML  =  strTable; 
 50     } ); 
 51 }  
 52
53 window.onload  =   function  () { 
 54     loadCexpbver(); 
 55     loadCexpbodr(defaultDate); 
 56 }  
 57


我的分析:

 如果把 window.onload 改為
window.onload = function (){
    loadCexpbver();
    alert(defaultDate);
    loadCexpbodr(defaultDate);
}
就不會出錯. 原因我已找到,應該是第一個Request的狀態還未完成時,就執行了第2個的原因,中間加行alert(defaultDate);實際上起到了延遲執行loadCexpbodr(defaultDate);的作用,所以不會報錯.

但是目前還不知道該如何解決?