多附件、带有预览功能的HTML页面

<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> &nbsp; </TD>

<TD width="20%" align=center> &nbsp; </TD>

<TD width="20%" align=center> &nbsp; </TD>

</TR>

</TABLE>

<TABLE align=center border=1 rules=all width="800PX" nowrap>

<TR>

<TD align=center>

<input type="button" onclick="addUploadFile();" value="添 加">

</TD>

</TR>

</TABLE>

</FORM>

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