php 使用JavaScript在HTML表格中动态添加行并通过提交按钮获取每个文本框的文本框值
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Dynamically Add Rows In HTML Table Using JavaScript and getting textbox value of each text box by submitting a button
提问by harshanii
I have a table where I can dynamically add rows. I want to get the data in each row to a php array when I submit the save button . Can please somebody help me on this. I'm new to java-script and know very little about it. Thank you!
我有一个可以动态添加行的表。当我提交保存按钮时，我想将每一行中的数据获取到一个 php 数组中。可以请有人帮助我。我是 java-script 的新手，对它知之甚少。谢谢！
<HTML>
<HEAD>
<TITLE> Add/Remove dynamic rows in HTML table </TITLE>
<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";
element1.name="chkbox[]";
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 = "txtbox[]";
cell3.appendChild(element2);
}
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);
}
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT type="button" value="Add Row" onClick="addRow('dataTable')" />
<INPUT type="button" value="Delete Row" onClick="deleteRow('dataTable')" />
<form action="" method="post">
<?php $i= 1; ?>
<TABLE id="dataTable" width="350px" border="1">
<TR>
<TD><INPUT type="checkbox" name="chk"/></TD>
<TD> 1 </TD>
<TD> <INPUT type="text" name="harsh"/> </TD>
</TR>
</TABLE>
<input name="saveNewSales" type="submit" value="Save" id="button2" style="text-align:center"/>
</form>
<?php
foreach($_POST as $name => $content) { // Most people refer to $key => $value
echo "The HTML name: $name <br>";
echo "The content of it: $content <br>";
}
?>
</BODY>
</HTML>
采纳答案by Prashant Parekh
Your code is right, just little change over there
你的代码是对的，只是那里的变化很小
<TR>
<TD><INPUT type="checkbox" name="chk"/></TD>
<TD> 1 </TD>
<TD> <INPUT type="text" name="<?php echo $i; ?>"/> </TD>
</TR>
replace with this code
用这个代码替换
<TR>
<TD><INPUT type="checkbox" name="chkbox[]"/></TD>
<TD> 1 </TD>
<TD> <INPUT type="text" name="txtbox[]"/> </TD>
</TR>
and your work finish
和你的工作完成
回答by Prashant Parekh
var rows=getElementsByTagName("tr");
var noOfRows=rows.length;
for(int i=0;i<noOfRows;i++){
var html=rows[i].innerhtml; /*a single row's inner html say (<td>apple</td><td>25</td>)*/
var td=html.match(/(?!<td>)([\s*\w*]*)[^<\/td>]/g);
/**
td[0] is 'apple', td[1] is '25'
**/
}
