public class AsyncServlet extends HttpServlet {
ScheduledThreadPoolExecutor userExecutor = new ScheduledThreadPoolExecutor(5);
public void doGet(HttpServletRequest req, HttpServletResponse res) {
AsyncContext aCtx = req.startAsync(req, res);
userExecutor.execute(new AsyncHandler(aCtx));
}
}
public class AsyncHandler implements Runnable {
private AsyncContext ctx;
public AsyncHandler(AsyncContext ctx) {
this.ctx = ctx;
}
@Override
public void run() {
//耗时操作
PrintWriter pw;
try {
pw = ctx.getResponse().getWriter();
pw.print("done!");
pw.flush();
pw.close();
} catch (IOException e) {
e.printStackTrace();
}
ctx.complete();
}
}
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