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[英]PHP, AJAX, HTML, MySQL, get info from database on click of a button
[英]HTML adding user info to div with ajax and MYSQL + PHP
我正在嘗試有2個單獨的div,其中一個標記為Email,第二個div命名為Number。 當用戶從下拉列表中選擇一個人時,從PHP + MySQL中檢索到的信息應添加到div中,就像單擊“添加”時將其添加到div一樣: http : //jsfiddle.net/QVUHU/84/
我被困住了,因為我不知道如何將檢索到的信息添加到2個div中,一個用於發送電子郵件,一個用於發送號碼,例如js小提琴中的一個...
下面是我的html + ajax和PHP代碼
HTML + AJAX
<html>
<head>
<script type="text/javascript">
function showUser(str)
{
if (str=="")
{
document.getElementById("txtHint").innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint").innerHTML+=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getuser.php?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body>
<form>
<select name="users" onchange="showUser(this.value)">
<option value="">Select a person:</option>
<option value="1">Achau</option>
<option value="2">Ravi</option>
<option value="3">Justin</option>
</select>
</form>
<br />
<div id="txtHint">
<b><table>
<tr>
<th>Email</th>
<th>Number</th>
</tr></b></div>
</body>
</html>
PHP + MySQL
<?php
$q=$_GET["q"];
$con = mysql_connect("tghbdfg1","Userbhgins","Jpgbhfw3");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("UserLogins", $con);
$sql="SELECT * FROM PersonInfo WHERE id = '".$q."'";
$result = mysql_query($sql);
echo " <br />";
while($row = mysql_fetch_array($result))
{
echo "<tr>";
echo "<td>" . $row['Email'] . "</td>";
echo "<td>" . $row['PNumber'] . "</td>";
echo "</tr>";
}
echo "</table>";
mysql_close($con);
?>
HTML:
<th>Email: <div id="email"></div></th>
<th>Number: <div id="number"></div></th>
JavaScript:
document.getElementById["email"].innerHTML = "Hello";
document.getElementById["number"].innerHTML = "World";
編輯:
無需在您的響應中返回html標簽。 有更好的方法可以做到這一點(JSON響應),但這是最簡單的解決方案:
while($row = mysql_fetch_array($result))
{
echo $row['Email'] . "|" . $row['PNumber'];
}
Javascript:
更換
document.getElementById("txtHint").innerHTML+=xmlhttp.responseText;
帶有:
var emailPhoneArray = xmlhttp.responseText.split("|");
if(emailPhoneArray != null && emailPhoneArray.length() == 2) {
document.getElementById["email"].innerHTML = emailPhoneArray[0];
document.getElementById["number"].innerHTML = emailPhoneArray[1];
}
else {
alert("Wrong response!");
}
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