本文主要和大家介绍了PHP+JS实现的实时搜索提示功能,涉及php结合ajax实时传输数据与字符串的遍历、匹配相关操作技巧,需要的朋友可以参考下,希望能帮助到大家。
效果图如下:
代码如下:
HTML代码:(该代码用两种方法实现,一种Jquery,一种原生JS)
<html><head> <script src="/DelphiRequest/search/js/jquery.js"></script> <script>/*用原生js实现// function showResult(str)// {// if (str.length==0)// {// document.getElementById("livesearch").innerHTML="";// document<a>@本文9来源gao($daima.com搞@代@#码8网^</a><strong>搞代gaodaima码</strong>.getElementById("livesearch").style.border="0px";// return;// }// if (window.XMLHttpRequest)// {// IE7+, Firefox, Chrome, Opera, Safari 浏览器执行// xmlhttp=new XMLHttpRequest();// }// else// {// IE6, IE5 浏览器执行// xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");// }// xmlhttp.onreadystatechange=function()// {// if (xmlhttp.readyState==4 && xmlhttp.status==200)// {// document.getElementById("livesearch").innerHTML=xmlhttp.responseText;// document.getElementById("livesearch").style.border="1px solid #A5ACB2";// }// }// xmlhttp.open("GET","livesearch.php?q="+str,true);// xmlhttp.send();// }*///用jquery实现 function showResult(str){ $.ajax({ type: "GET", url : "livesearch.php", datatype : 'json', data: {'q':str} , success :function (data) { document.getElementById("livesearch").innerHTML=data; document.getElementById("livesearch").style.border="1px solid #A5ACB2"; } }) } </script></head><body><form> <input type="text" size="30" onkeyup="showResult(this.value)"> <p id="livesearch"></p></form></body></html>
PHP代码如下:(PHP不仅可以考虑直接使用数组,也可以考虑直接查询数据库,获取数据库内容,本代码使用的是数组。)
<?php$provinces=array("beijing","tianjin","shanghai","chongqing","hebei","henan","heilongjiang","jilin","changchun", "shandong","anhui","shanxi","guangzhou","yunnan","hainan","xizang","qinghai","fujian","guizhou","jiangsu", "zhejiang","guangzhou","yunan","hainan","xizang","neimenggu","sichuan","gansu","ningxia","xianggang","aomen");$tmp=$_GET['q'];$val=array();$k=0;if (strlen($tmp)>0){ for($i=0;$i<31;$i++){ if(strpos($provinces[$i],$tmp)!==false){ //传递值给val $val[$k]=$provinces[$i]; //下标增加 $k=$k+1; } } //遍历val数组 for($j=0;$j<count($val);$j++) { echo $val[$j]; echo "<br>"; }}?>
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