很多时候，不知道需要表单的数目，就需要能对表单进行数量的控制。收集了如下两个效果：
中国站.长.站
| 以下为引用的内容： <html> <body> <form name="form1"> <table id="tb1" border=0> <tr><td><a href="#" onclick="return addFj()">添加附件</a></td></tr> </table> <input type="hidden" name="fjCnt" value="1" /> </form> </body> </html> <script language="javascript"> function addFj() { var oTb = document.getElementById("tb1"); ~com var oTr = oTb.insertRow(0); var name = "thefilename"+document.form1.fjCnt.value; document.form1.fjCnt.value=parseInt(document.form1.fjCnt.value)+1; oTr.insertCell(0).innerHTML = "<input id=''file'' name=''"+name+"'' type=file style=''width:400px;''> <input type=button onclick=''return delFj(this)'' value=''删除''>" return false; } function delFj(obj) { obj.parentElement.parentElement.removeNode(true); return false; } </script> |
| 以下为引用的内容： <HTML> <HEAD> <STYLE TYPE="text/css"> <!-- .p9{ font-size: 9pt; font-family: 宋体 } td {font-size: 9pt} .tx {height: 16px; width: 30px; border-color: black black #000000; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; font-size: 9pt; background-color: #eeeeee; color: #0000FF} .tx2 {height: 16px;border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; font-size: 9pt; color: #0000FF; border-left-color:#000000; border-right-color:#000000; border-top-color:#000000; border-bottom-color:#000000} _com .bt {border-left:1px solid #C0C0C0; border-top:1px solid #C0C0C0; font-size: 9pt; border-right-width: 1; border-bottom-width: 1; height: 16px; width: 80px; background-color: #EEEEEE; cursor: hand; border-right-style:solid; border-bottom-style:solid} .tx1 { width: 400 ;height: 20px; font-size: 9pt; border: 1px solid; border-color: black black #000000; color: #0000FF} --> </STYLE> <SCRIPT LANGUAGE="vbscript"> function addfile() dim str str="<table>" if not IsNumeric (window.form1.filenum.value) then window.form1.filenum.value =1 for i=1 to window.form1.filenum.value str=str&"<tr><td valign=''middle''>文件"&i&":</td><td><input type=''file'' name=''file"&i&"'' class=''tx1'' value size=''20''> 保存为<input type=''text'' name=''file"&i&"'' size=''20'' class=''tx2''></td></tr>" next window.uptd.innerHTML =str&"</table>" end function </SCRIPT> <SCRIPT LANGUAGE="JavaScript"> <!-- function Show() { var allnum =document.form1.filenum.value;//获取有几个file for (i=0;i<allnum;i++) { alert("文件框的Name:file"+i); } return false; } //--> </SCRIPT> <TITLE></TITLE> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312"></HEAD> <BODY BGCOLOR="#ffffff" CLASS="p9" onLoad="addfile()"> <FORM METHOD="post" NAME="form1" ACTION="savetofile.asp" ENCTYPE="multipart/form-data"> <TABLE BORDER="0" ALIGN="center" CELLPADDING="0" CELLSPACING="0"> <TR> <TD><DIV ALIGN="center"><FONT COLOR="#0000ff" SIZE="5">保存到文件</FONT></DIV></TD> 站长.站 </TR> <TR> <TD><TABLE WIDTH="750" BORDER="1" ALIGN="center" CELLPADDING="0" CELLSPACING="0" BORDERCOLOR="#111111" STYLE="BORDER-COLLAPSE: collapse"> <TR> <TD HEIGHT="27" COLSPAN="2">上传 <INPUT NAME="filenum" CLASS="tx2" VALUE="1" SIZE="4"> 个文件 <INPUT TYPE="button" NAME="Button" CLASS="bt" onClick="addfile" VALUE="设 定"> </TD> </TR> <TR> <TD> <DIV ID="uptd"> </DIV></TD> </TR> <TR> <TD HEIGHT="30" COLSPAN="2" ALIGN="middle"> <INPUT TYPE="Button" NAME="Button" CLASS="bt" VALUE="看看有几个框" onclick="Show()"> <INPUT TYPE="submit" NAME="Button" CLASS="bt" VALUE="上 传"> @com <INPUT TYPE="reset" NAME="Button" CLASS="bt" VALUE="重 置"> </TD> </TR> </TABLE></TD> </TR> </TABLE> </FORM> </BODY> </HTML> |