多附件、带有预览功能的HTML页面

核心提示：<SCRipT language=javascript>var modified = 0;var currentLine = -1;var line = -1;var allCount = 4;function addUploadFile(){ newRow = tableA.insertRow(tabl

<SCRipT language=javascript>

var modified = 0;
var currentLine = -1;
var line = -1;
var allCount = 4;

function addUploadFile()
{
  newRow = tableA.insertRow(tableA.rows.length);
  newRow.id = "fileUploadID";
  newRow.ln = allCount;
  newRow.pn = allCount;

  c1 = newRow.insertCell(0);
  c1.ln=allCount;
  c1.pn=allCount;
  c1.innerHtml = "<input type = file size=40 name='filename"+allCount+"' ln="+allCount+" pn="+allCount+">";

  c2=newRow.insertCell(1);
  c2.ln=allCount;
  c2.pn=allCount;
  c2.onclick=delIt;
  c2.align = 'center';
  c2.innerHTML="删 除";

  c3=newRow.insertCell(2);
  c3.ln=allCount;
  c3.pn=allCount;
  c3.onclick=showPic;
  c3.align = 'center';
  c3.innerHTML="预 览";

  allCount++;
}

function delIt()
{
line=parseInt(event.srcElement.ln,10)
if (line>0)
  for (i=1; i<tableA.rows.length ; i++)
  {
　 if (fileUploadID[i].ln==line )
　 {
　  var temp=eval("document.uploadform.filename"+line+".value");
　  if ( temp.length>0 )
　　 {
　　  if (!confirm("确认删除此附件?"))  {  return;  }
　　 }
　  tableA.deleteRow(i);
　  }
　 }
}

function showPic()
{
line=parseInt(event.srcElement.ln,10)
if (line>0)
  for (i=1; i<tableA.rows.length ; i++)
　 if (fileUploadID[i].pn==line)
　 {
　  var temp=eval("document.uploadform.filename"+line+".value");
　  if ( temp.length>0 )
　　 {
　　　 c4=fileUploadID[i].insertCell();
　　　 c4.align = 'center';
　　　 c4.innerHTML="<img src='"+temp+"' width='50px' /> ";
　　　 fileUploadID[i].pn = '';
　　 }
　 }
}

</SCRIPT>

<FORM name=uploadform method="post" enctype="multipart/form-data">

<TABLE align=center border='1' id='tableA' width='800PX' name='tableA'>
  <TR id=fileUploadID>
 
　  <TD width="40%" align=center> 附件列表 </TD>
　　 
　  <TD width="20%" align=center>   </TD>

　  <TD width="20%" align=center>   </TD>

　  <TD width="20%" align=center>   </TD>