前端之家收集整理的这篇文章主要介绍了
JS+JSP通过img标签调用实现静态页面访问次数统计的方法，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
本文实例讲述了JS+JSP通过img标签调用实现静态页面访问次数统计的方法。分享给大家供大家参考，具体如下：
测试页面： test.html
test@H_<a href="/tag/301/" target="_blank" class="keywords">301</a>_7@
<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="pragma" content="no-cache">
<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="cache-control" content="no-cache">
<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="expires" content="0">
<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="keywords" content="keyword1,keyword2,keyword3">
<<a href="/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
this is a test page.
<script type="text/javascript">document.write("<img src=http://127.0.0.1:8080/EasyCMS/pv.jsp border=0 width=0 height=0>");</script>
</body>
</html>
</pre>
</div>
<p><a href="/tag/tongji/" target="_blank" class="keywords">统计</a>程序: pv.jsp：</p>
<p>假设部署位置为http://127.0.0.1:8080/EasyCMS/pv.jsp</p>
<div class="jb51code">
<pre class="brush:java;">
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page import="java.io.*"%>
<%
String path="/opt/test.txt";
writeNumber(String.valueOf(readNumber(path)+1),path);
%>
<%=readNumber(path) %>
<%!
/**
* 写入数字内容
*
* @param number
* @param filename
* @return
*/
public boolean writeNumber(String number,String filename) {
try {
FileOutputStream fos = new FileOutputStream(filename);
OutputStreamWriter writer = new OutputStreamWriter(fos);
writer.write(number);
writer.close();
fos.close();
} catch (IOException e) {
e.printStackTrace();
return false;
}
return true;
}
/**
* 读取数字内容
*
* @param filename
* @return
*/
public int readNumber(String filename) {
int number = 0;
try {
File file = new File(filename);
if (file.exists()) {
FileReader fr = new FileReader(file);
BufferedReader br = new BufferedReader(fr);
String contents = br.readLine();
if (contents != null && contents.length() > 0) {
contents = contents.replaceAll("[^0-9]","");
number = Integer.valueOf(contents);
}
br.close();
fr.close();
}
} catch (IOException e) {
e.printStackTrace();
}
return number;
}
%>
</pre>
</div>
<p>基本思想:
<p>访问静态<a href="/tag/yemian/" target="_blank" class="keywords">页面</a>时,通过<a href="/tag/imgbiaoqian/" target="_blank" class="keywords">img标签</a>指定src 为访问<a href="/tag/tongji/" target="_blank" class="keywords">统计</a>的地址,<a href="/tag/imgbiaoqian/" target="_blank" class="keywords">img标签</a>向<a href="/tag/tongji/" target="_blank" class="keywords">统计</a>程序发出请求,实现<a href="/tag/tongji/" target="_blank" class="keywords">统计</a>.<br />
<a href="/tag/tongji/" target="_blank" class="keywords">统计</a>示例<a href="/tag/daima/" target="_blank" class="keywords">代码</a>采用<a href="/tag/wenjian/" target="_blank" class="keywords">文件</a>来记录访问<a href="/tag/cishu/" target="_blank" class="keywords">次数</a>,实际项目可以记录<a href="/tag/shujuku/" target="_blank" class="keywords">数据库</a>.</p>
<p>关键<a href="/tag/daima/" target="_blank" class="keywords">代码</a>:<br />
<div class="codetitle"><span><a style="CURSOR: pointer" data="40908" class="copybut" id="copybut40908" onclick="doCopy('code40908')"><U></U></a> <a href="/tag/daima/" target="_blank" class="keywords">代码</a>如下:</div><div class="codebody" id="code40908"><script type="text/javascript">document.write("<img src=http://127.0.0.1:8080/EasyCMS/pv.jsp border=0 width=0 height=0>");</script></div></p></p>
<p>希望本文所述对大家JavaScript程序设计有所帮助。</p></div>
<div class="topcard-tags"><a href="/tag/imgbiaoqiandiaoyong/" class="tag_link" target="_blank">img标签调用</a><a href="/tag/jspfangwencishu/" class="tag_link" target="_blank">jsp访问次数</a><a href="/tag/JSfangwencishutongji/" class="tag_link" target="_blank">JS访问次数统计</a><a href="/tag/tongji/" class="tag_link" target="_blank">统计</a><a href="/tag/tongjip/" class="tag_link" target="_blank">统计</a><a href="/tag/ptongji/" class="tag_link" target="_blank">统计</a><a href="/tag/fangwencishu/" class="tag_link" target="_blank">访问次数</a><a href="/tag/jingtaiyemian/" class="tag_link" target="_blank">静态页面</a></div>
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