JSP获取所有参数并追加写入文件
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String filename = "moParam.text";
String path=request.getRealPath("");
filename = path+"\\"+ filename ;
String conent ="";
%>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=utf-8"/>
<meta http-equiv="Cache-control" content="no-cache" />
<title>获取参数</title>
</head>
<body>
<%=filename %> | Parameter:<br/>
<%
String sesstionStr = session.getId();
java.util.Enumeration e1 = request.getParameterNames();
while(e1.hasMoreElements()){
String paramName = (String)e1.nextElement();
String paramValue = (String)request.getParameter(paramName);
// 处理参数名paramName与参数值paramValue
conent = conent+"\\r\\n"+sesstionStr+":"+paramName+" = "+paramValue+"\\r\\n" ;
}
%>
Header<br/>
<%
//获取请求头信息
java.util.Enumeration e2 = request.getHeaderNames();
while (e2.hasMoreElements()) {
String name = (String)e2.nextElement();
String value = request.getHeader(name);
conent = conent+"\r\n"+sesstionStr+":"+name + "=" + value+"\r\n" ;
}
%>
<br/><br/>User-Agent : <%=request.getHeader("User-Agent")%><br/>
<br/><br/>x-up-bear-type : <%=request.getHeader("x-up-bear-type")%><br/>
<br/><br/>x-forwarded-for : <%=request.getHeader("x-forwarded-for")%><br/>
<br/><br/>RemoteAddr : <%=request.getRemoteAddr()%><br/><br/>
文件会自动追加内容,操作完后下载:
<a href="/moParam.text" title="" >下载文件</a>电脑访问,右键文件另存为.
</body>
</html>
<%
conent = conent+"\r\n"+sesstionStr+": IP =" + request.getRemoteAddr()+"\r\n";
conent = conent+"\r\n"+sesstionStr+": User-Agent =" + request.getHeader("User-Agent")+"\r\n";
conent = conent+"\r\n"+sesstionStr+": x-up-bear-type =" + request.getHeader("x-up-bear-type")+"\r\n";
conent = conent+"\r\n"+sesstionStr+": x-forwarded-for=" + request.getHeader("x-forwarded-for")+"\r\n";
%>
<%
try {
// 打开一个写文件器，构造函数中的第二个参数true表示以追加形式写文件
java.io.FileWriter writer = new java.io.FileWriter(filename, true);
writer.write(conent);
writer.close();
} catch (java.io.IOException e) {
e.printStackTrace();
} finally {
}
%>
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