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HomeBackend DevelopmentPHP Tutorialphp+ajax achieves increased page views and clicks

This article shares with you a very practical code for adding 1 click views using php ajax. It is recommended to everyone. Friends in need can refer to it.

The following is a relatively complete code. Code that can come in handy in practical applications, this code is implemented by ajax combined with php code.

1.ajax code is as follows:

<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<title>ajax实现浏览量点击增加</title>
<script type="text/javascript">
var xmlhttp=false;
function add(){
 try{
  xmlhttp= new XMLHttpRequest;
 }
 catch(e){
  xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
 }
 
 xmlhttp.open(&#39;GET&#39;,&#39;count.php?a=a&#39;,false);
 xmlhttp.onreadystatechange=func;
 xmlhttp.send(null);
}
 
function func(){
 if(xmlhttp.readyState==4){
  var msg=xmlhttp.responseText;
  var tt=document.getElementById("num");
  tt.innerHTML=msg;
 }
}
</script>
</head>
<body>
当前页面数据库中访问次数:<p id=&#39;num&#39;></p>
<input type="button" value="增加次数" >
</body>
</html>

2.php code:

<?php
 mysql_connect(&#39;localhost&#39;,&#39;root&#39;,&#39;&#39;);
 mysql_selectdb(&#39;click&#39;);
 $rs=mysql_query("UPDATE click SET num = num +1 WHERE name = &#39;".$_GET[&#39;a&#39;]."&#39;");
 if(mysql_affected_rows()==1){
  $rs=mysql_query("select * from click where name=&#39;".$_GET[&#39;a&#39;]."&#39;");
  $row=mysql_fetch_array($rs);
  echo $row[&#39;num&#39;];
 }
?>

Summary: The above is the entire content of this article, I hope it can It will be helpful to everyone’s study.

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