服務(wù)器端仍然是一個servlet，代碼如下：

public class DownServlet extends HttpServlet {private static final long serialVersionUID = 1L;@Overrideprotected void service(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {String path = "D:/Downloads/LuaXML_101012.zip";File file = new File(path);InputStream is = new BufferedInputStream(new FileInputStream(file));byte[] buffer = new byte[is.available()];is.read(buffer);is.close();response.reset();response.addHeader("Content-Disposition", "attachment;filename="+ new String(file.getName().getBytes("utf-8"), "ISO-8859-1"));response.addHeader("Content-Length", "" + file.length());OutputStream toClient = new BufferedOutputStream(response.getOutputStream());response.setContentType("application/octet-stream");toClient.write(buffer);toClient.flush();toClient.close();}}
下面是客戶端lua腳本：

local function callback1(event)local ok = (event.name == "completed")local request = event.requestrequest:saveResponseData("a.zip")endlocal request1 = network.createHTTPRequest(callback1, "http://localhost:8080/download", "POST") request1:start()
說明：http://....../download是上面servlet的響應(yīng)url，當(dāng)Lua訪問此url時，服務(wù)器將文件數(shù)據(jù)發(fā)送到客戶端。

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