how to use webwork filedown

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how to use webwork filedown

by Nuttquisterty :: Rate this Message:

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i want to use webwork down file,but i don't know how to write code in web page.

xwork.xml:
<action name="downlicense"
                        class="com.lingyitech.ap.action.DownLicenseAction">
                        <param name="inputPath">/ip.txt</param>
                        <result name="success" type="dispatcher">
                                <param name="location">/license.html</param>
                        </result>
                        <result name="input">
                                <param name="location">/license.html</param>
                        </result>
                        <result name="download" type="stream">
                                <param name="contentType">
                                        application/x-msdownload
                                </param>
                                <param name="inputName">docStream</param>
                                <param name="bufferSize">1024</param>
                                <param name="contentDisposition">
                                        ${contentDisposition}
                                </param>
                        </result>
                        <interceptor-ref name="params" />
                </action>
DownLicenseAction:
public FileInputStream docStream;
        public String contentDisposition;
        public File input;
        public String downLoadFile() {
                try {
                        input = new File("f:/ip.txt");System.out.println("input");
                        docStream = new FileInputStream(input);
                        contentDisposition = "filename=\"ip.txt\"";
                } catch (FileNotFoundException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
 
                return "download";
        }
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