request.getHeaderNames(); request.getCookies();

最新推荐文章于 2023-04-01 18:02:15 发布

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最新推荐文章于 2023-04-01 18:02:15 发布

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分类专栏： Java 文章标签： request header request cookie

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本文详细介绍了如何在JSP页面中读取请求头信息和Cookies，并展示了具体的代码实现。

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How to get and print the headers and cookies in JSP page.

<H1>Reading Header Information</H1>
        Here are the request headers and their data:
        <BR>
        <% java.util.Enumeration names = request.getHeaderNames();
        while(names.hasMoreElements()){
            String name = (String) names.nextElement();
            out.println(name + ":<BR>" + request.getHeader(name) + "<BR><BR>");
        }
        %>
        
        
        <%
        Cookie cookies[] = request.getCookies();

		out.println("<table>");
		for (int i=0; i<cookies.length; i++) {
			out.println("<tr>");
			out.println("<td>" + cookies[i].getName() + "</td>");
			out.println("<td>" + cookies[i].getDomain() + "</td>");
			out.println("<td>" + cookies[i].getPath() + "</td>");
			out.println("<td>" + cookies[i].getValue() + "</td>");
			out.println("<td>" + cookies[i].getMaxAge() + "</td>");
			out.println("</tr>");
		}
		out.println("</table>");
		%>