JSP中读取HTTP Header

2019-11-18 16:07:28

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//File: index.Html
<HTML>
    <HEAD>
        <TITLE>Getting Header Data</TITLE>
    </HEAD>
    <BODY>
        <H1>Getting Header Data</H1>
        <FORM ACTION="formAction.jsp" METHOD="POST">
            <INPUT TYPE="submit" VALUE="Submit">
        </FORM>
    </BODY>
</HTML>

/////////////////////////////////////////////////////////////
//File: formAction.jsp
<HTML>
    <HEAD>
        <TITLE>Reading Header Information</TITLE>
    </HEAD>

    <BODY>
        <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>");
        }
        %>
    </BODY>
</HTML>

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