相关疑难解决方法(0)

我正在从GWT客户端向HTTPServlet发出HTTP POST请求.此Servlet正在从请求内容创建PDF文件并将其写入响应流.

响应流的标头是:

Content-Disposition: attachment; filename=report.pdf

我想在用户浏览器的新窗口中打开此PDF或提示他下载它.

import com.google.gwt.http.client.*;
...

String url = "http://www.myserver.com/getData?type=3";
RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(url));

try {
  Request request = builder.sendRequest(data, new RequestCallback() {
    public void onError(Request request, Throwable exception) {
       // Couldn't connect to server (could be timeout, SOP violation, etc.)     
    }

    public void onResponseReceived(Request request, Response response) {
      if (200 == response.getStatusCode()) {
          // Process the response in response.getText()
          // Window.open(url, "_blank", "");
      } else {
        // Handle the error.  Can get the …