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我已經完成了前面匹配字符的高級搜索。我希望它應該匹配中間和單詞的結尾或者數據庫中的任何地方。我應該怎麼可以d我的高級搜索代碼是在這裏 PHP代碼........................ 字符智能在AJAX和PHP中提前搜索？
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<style>
table {
width: 100%;
border-collapse: collapse;
}
table, td, th {
border: 1px solid black;
padding: 5px;
}
th {text-align: left;}
</style>
</head>
<body>
<?php
\t \t $servername="localhost";
\t \t $username="root";
\t \t $password="";
\t \t $conn=mysql_connect($servername,$username,$password);
\t if (!$conn) {
\t die('Could not connect: ' . mysqli_error($conn));
\t }
\t
\t $in=$_GET['q'];
if(!ctype_alnum($in)){
echo "Data Error";
exit;
}
\t \t mysql_select_db('firstdb');
\t \t $sql="select name, id , age, sex from name where name like '$in%' or sex like '$in%' or age like '$in%' or id like '$in%'";
\t \t $display=mysql_query($sql,$conn);
\t echo "<table>
\t <tr>
\t <th>ID</th>
\t <th>Name</th>
\t <th>Age</th>
\t <th>Gender</th>
\t </tr>";
while($row = mysql_fetch_assoc($display)){
echo "<tr>";
echo "<td>" . $row['id'] . "</td>";
\t echo "<td>" . $row['name'] . "</td>";
echo "<td>" . $row['age'] . "</td>";
echo "<td>" . $row['sex'] . "</td>";
echo "</tr>";
}
echo "</table>";
?>
</body>
</html>JS代碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<script>
function user(str){
if(str.length==0)
\t {
\t document.getElementById("userhint").innerHTML = "";
return;
\t } \t
\t else {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("userhint").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("GET", "advanceSearch.php?q="+str, true);
xmlhttp.send();
}
\t
}
</script>
</head>
<body>
<form>
<input type="text" onkeyup="user(this.value);" name="username" />
</form>
<br />
<div id="userhint"><b>User info will be listed here...</b></div>
</body>
</html>
能否請您解釋一下你想更清楚地做什麼？ – Praveen
@parveen當我在文本中編寫任何字符時，它應該獲取包含該字符的所有記錄，而不考慮字符位置，但我的上面的查詢只匹配從開始 –