我想将这个动态创建的表行的所有记录保存到 mysql 数据库中,但我无法获取动态添加的字段的名称值,我可以在 $_POST 方法中使用它。请帮助我。还告诉我如何将 JavaScript var 转换为PHP 变量
<?php
if(isset($_POST['buton_sumit']))
{
$nav_id =1;
$item1=$_POST['name1'];
$item1=$_POST['name2'];
echo $item1 + $item2;
}
?>
<!DOCTYPE HTML>
<HTML>
<HEAD>
<TITLE> Add/Remove dynamic rows in HTML table </TITLE>
</HEAD>
<BODY>
<table id="extra" width="499" >
<th width="24">R</th><th width="19">Sr.</th><th width="133">Item-Name</th><th width="144">Quantity</th><th width="145">price</th>
</table>
<form action="table1.php" method="post" name="input">
<TABLE id="dataTable" width="350px" border="1">
<TR>
<TD width="24"><INPUT type="checkbox" name="chk"/></TD>
<TD width="19"> 1 </TD>
<TD width="133"> <INPUT type="text" name="name1"/> </TD>
<TD width="133"> <INPUT type="text" name="qty1"/> </TD>
<TD width="133"> <INPUT type="text" name="price1"/> </TD>
</TR>
</TABLE>
<INPUT type="button" value="Add Item" onclick="addRow('dataTable')" />
<INPUT type="button" value="Remove Item" onclick="deleteRow('dataTable')" />
<INPUT type="submit" value="End Sale" name="buton_sumit" />
</form>
<SCRIPT language="javascript">
function addRow(tableID) {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var cell1 = row.insertCell(0);
var element1 = document.createElement("input");
element1.type = "checkbox";
cell1.appendChild(element1);
var cell2 = row.insertCell(1);
cell2.innerHTML = rowCount + 1;
var cell3 = row.insertCell(2);
var element2 = document.createElement("input");
element2.type = "text";
element2.name="name"+ cell2.innerHTML;
var element2id="myid"+cell2.innerHTML;
element2.setAttribute('id',element2id);
cell3.appendChild(element2);
var cell4 = row.insertCell(3);
var element3 = document.createElement("input");
element3.type = "text";
element3.name="qty"+ cell2.innerHTML;
cell4.appendChild(element3);
var cell5 = row.insertCell(4);
var element4 = document.createElement("input");
element4.type = "text";
element4.name="price"+ cell2.innerHTML;
cell5.appendChild(element4);
}
function deleteRow(tableID) {
try {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
for(var i=0; i<rowCount; i++) {
var row = table.rows[i];
var chkbox = row.cells[0].childNodes[0];
if(null != chkbox && true == chkbox.checked) {
table.deleteRow(i);
rowCount--;
i--;
}
}
}catch(e) {
alert(e);
}
}
javascript:(document.write(document.forms[0].elements[2].name))
var myname2=2;
</SCRIPT>
</BODY>
</HTML>