如何强制在primefaces中重新加载页面？

Question

我想在我的文件下载后强制重新加载页面。

我试过，但没有奏效

<p:commandButton ajax="false" actionListener="#{fileDownloadController.forceDownload}"> 
    <p:fileDownload value="#{fileDownloadController.downloadXMLFile(myBean.mostRecentFile)}" /> 
    </p:commandButton> 
</p:commandButton> 

EDITED 该解决方案正确地重新加载，但它发生之前的文件可以下载

public StreamedContent downloadXMLFile(DMFile dmFile) { 
    ... 
    return new DefaultStreamedContent(stream, "text/xml", fileName); 

}

而且

public void forceReload(){ 
    ExternalContext ec = FacesContext.getCurrentInstance().getExternalContext(); 
    try { 
     ec.redirect(((HttpServletRequest) ec.getRequest()).getRequestURI()); 
    } catch (IOException ex) { 
     Logger.getLogger(FileDownloadController.class.getName()).log(Level.SEVERE, null, ex); 
    } 
} 

Answer 1

你可以尝试这样的事情：

// Redirect 
public static void redirect(String urlStr) 
{ 
    FacesContext ctx = FacesContext.getCurrentInstance(); 
    String url = ctx.getExternalContext().encodeActionURL(ctx.getApplication().getViewHandler().getActionURL(ctx, urlStr.replaceAll("\\?faces-redirect=true", ""))); 
    try { ctx.getExternalContext().redirect(url); } 
    catch (IOException ioe) { throw new FacesException(ioe); } 
} 

或

ExternalContext ec = FacesContext.getCurrentInstance().getExternalContext(); 
ec.redirect(((HttpServletRequest) ec.getRequest()).getRequestURI());