jq.ajax+php+mysql实现关键字模糊查询(示例讲解)

更新时间：2020-06-22 06:06:01 作者：startmvc

对于这个功能企业上还算比较实用，推荐给大家；index.html<!DOCTYPEhtml><html><head>

对于这个功能企业上还算比较实用，推荐给大家；

index.html


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<style>
*{margin:0;padding:0;}
.text{width:200px;height:30px;line-height:30px;font-size:14px;outline:none;}
ul{width:200px;height:auto;border:1px solid #999;border-top:none;}
ul li{width:200px;height:30px;line-height:30px;font-size:14px;}
li:hover{background:#ddd;}
</style>

<body>
<input type="text" class="text" name="text">
<ul class="sea"></ul>

<script type="text/javascript" src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<script type="text/javascript">

$(".text").bind("input", function() { 
	if($(this).val().length>0){
 search();
	}else{
 $(".sea").html('');

	}
})
function search(){
	$.ajax({
 type:"GET",
 url:"sea.php",
 data:{"text":$(".text").val()},
 success:function(response){
 //转换成json对象
 eval("var json="+response);
 //console.log(json)
 var str="";
 for(var i=0;i<json.length;i++){
 str += "<li>" + json[i].sea + "</li>";
 }

 $(".sea").html(str);
 }
	})
}
</script>
</body>
</html>

sea.php


<?php
$con = mysqli_connect("localhost","username","password");
if(!$con){
	echo "数据库链接失败";
	exit;
}
mysqli_select_db($con,'jwhuang');
mysqli_query($con,'set names utf-8');
$text= isset($_GET['text']) ? trim($_GET['text']) : '';
$result=mysqli_query($con,"select * from search where sea LIKE '{$text}%' ");
$search=array();

while($row=mysqli_fetch_assoc($result)){
	//判断是否有对应的数据
	if(!$row){
 $search='';
 exit;
	}else{
 //对查询关键字进行标记
 $row['sea'] = str_replace($text, '<font color="red">' .$text. '</font>', $row['sea']);
 $search[]=$row;
 
	}
}
echo json_encode($search);
?>

效果图