说明：
Ajax提交html页面表单，生成表格。
运行效果：
示例源码：
HTML页面：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表格生成器</title>
<link rel="stylesheet" href="http://demo.h-ui.net/H-ui.admin/3.1/static/h-ui/css/H-ui.min.css">
</head>
<body>
<div class="panel panel-default" style="width:600px;margin:0 auto">
<div class="panel-header selected">Ajax+PHP生成表格</div>
<div class="panel-body" style="display: block;">
<form action="" method="" class="form form-horizontal responsive" name="demoform" id="demoform">
<div class="row cl">
<label class="form-label col-xs-3">请输入行数：</label>
<div class="formControls col-xs-8">
<input type="text" class="input-text" placeholder="输入数字" name="rowNumber" id="rowNumber">
</div>
<label class="form-label col-xs-3">请输入列数：</label>
<div class="formControls col-xs-8">
<input type="text" class="input-text" placeholder="输入数字" name="columnNumber" id="columnNumber">
</div>
</div>
<div class="row cl">
<div class="col-xs-8 col-xs-offset-3">
<button type="button" class="btn btn-primary radius" id="btnGenerate">生成</button>
</div>
</div>
</form>
</div>
</div>
<hr>
<div id="result" style="margin: 0 auto; text-align: center;width:600px"></div>
<script>
var btnValidateValidate = document.getElementById('btnGenerate');
btnValidateValidate.onclick = function () {
// console.log(typeof btnValidateValidate);
// console.log(phoneNumber.value)
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if(xhr.readyState == 4 && xhr.status == 200)
{
var result = xhr.responseText;
var h2 =document.getElementById('result');
h2.innerHTML = result;
}
}
var rowNumber = document.getElementById('rowNumber');
var columnNumber = document.getElementById('columnNumber');
var data = '?rowNumber='+rowNumber.value + '&columnNumber='+columnNumber.value;
xhr.open('get','generateTable.php'+data, true);
xhr.send(null);
}
</script>
</body>
</html>PHP页面（generateTable.php）
<?php
$rowNumber = isset($_GET['rowNumber']) ? $_GET['rowNumber'] : null;
$columnNumber = isset($_GET['columnNumber']) ? $_GET['columnNumber'] : null;
if ($rowNumber !== null && $columnNumber !== null) {
$result = '';
$result .= '<table border="1" cellspacing="0" cellpadding="5" width="100%">';
$result .= "<caption>$rowNumber". "×" ."$columnNumber 表格</caption>";
for($i= 1;$i <=$rowNumber; $i++)//生成行
{
$result .= '<tr>';//行开始
for($j=1; $j<=$columnNumber; $j++)//生成列
{
$result .= '<td>';
$result .=' ';
$result .= '</td>';
}
$result .= '</tr>';//行结束
}
$result .= '</table>';
echo $result;
}