“`” \u8003\u5bdf\u70b9\uff1aservlet<\/p>\n
\u5728Servlet 3\u4e2d\u5f15\u5165\u4e86\u4e00\u9879\u65b0\u7684\u6280\u672f\u53ef\u4ee5\u8ba9Servlet\u5f02\u6b65\u5904\u7406\u8bf7\u6c42\u3002\u6709\u4eba\u53ef\u80fd\u4f1a\u8d28\u7591\uff0c\u65e2\u7136\u90fd\u6709\u591a\u7ebf\u7a0b\u4e86\uff0c\u8fd8\u9700\u8981\u5f02\u6b65\u5904\u7406\u8bf7\u6c42\u5417\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u56e0\u4e3a\u5982\u679c\u4e00\u4e2a\u4efb\u52a1\u5904\u7406\u65f6\u95f4\u76f8\u5f53\u957f\uff0c\u90a3\u4e48Servlet\u6216Filter\u4f1a\u4e00\u76f4\u5360\u7528\u7740\u8bf7\u6c42\u5904\u7406\u7ebf\u7a0b\u76f4\u5230\u4efb\u52a1\u7ed3\u675f\uff0c\u968f\u7740\u5e76\u53d1\u7528\u6237\u7684\u589e\u52a0\uff0c\u5bb9\u5668\u5c06\u4f1a\u906d\u9047\u7ebf\u7a0b\u8d85\u51fa\u7684\u98ce\u9669\uff0c\u8fd9\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5f88\u591a\u7684\u8bf7\u6c42\u5c06\u4f1a\u88ab\u5806\u79ef\u8d77\u6765\u800c\u540e\u7eed\u7684\u8bf7\u6c42\u53ef\u80fd\u4f1a\u906d\u9047\u62d2\u7edd\u670d\u52a1\uff0c\u76f4\u5230\u6709\u8d44\u6e90\u53ef\u4ee5\u5904\u7406\u8bf7\u6c42\u4e3a\u6b62\u3002\u5f02\u6b65\u7279\u6027\u53ef\u4ee5\u5e2e\u52a9\u5e94\u7528\u8282\u7701\u5bb9\u5668\u4e2d\u7684\u7ebf\u7a0b\uff0c\u7279\u522b\u9002\u5408\u6267\u884c\u65f6\u95f4\u957f\u800c\u4e14\u7528\u6237\u9700\u8981\u5f97\u5230\u7ed3\u679c\u7684\u4efb\u52a1\uff0c\u5982\u679c\u7528\u6237\u4e0d\u9700\u8981\u5f97\u5230\u7ed3\u679c\u5219\u76f4\u63a5\u5c06\u4e00\u4e2aRunnable\u5bf9\u8c61\u4ea4\u7ed9Executor\u5e76\u7acb\u5373\u8fd4\u56de\u5373\u53ef\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
<pre><code class=""language-java"" lang=""java"">import
\njava.io.IOException;
\n import javax.servlet.AsyncContext;
\n import javax.servlet.ServletException;
\n import javax.servlet.annotation.WebServlet;
\n import javax.servlet.http.HttpServlet;
\n import javax.servlet.http.HttpServletRequest;
\n import javax.servlet.http.HttpServletResponse;
\n @WebServlet(urlPatterns = {""\/async""}, asyncSupported = true)
\n public class AsyncServlet extends HttpServlet {
\n private static final long serialVersionUID = 1L;
\n @Override
\n public void doGet(HttpServletRequest req,
\nHttpServletResponse resp)
\n throws
\nServletException, IOException {
\n \/\/ \u5f00\u542fTomcat\u5f02\u6b65Servlet\u652f\u6301<\/p>\n
req.setAttribute(""org.apache.catalina.ASYNC_SUPPORTED"", true);
\n final AsyncContext ctx =
\nreq.startAsync(); \/\/ \u542f\u52a8\u5f02\u6b65\u5904\u7406\u7684\u4e0a\u4e0b\u6587
\n \/\/ ctx.setTimeout(30000);
\n ctx.start(new Runnable() {
\n @Override
\n public void
\nrun() {<\/p>\n
\/\/ \u5728\u6b64\u5904\u6dfb\u52a0\u5f02\u6b65\u5904\u7406\u7684\u4ee3\u7801<\/p>\n
ctx.complete();
\n }
\n });
\n }
\n }
\n<\/code><\/pre><\/p>\n
\u00a0<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u8003\u5bdf\u70b9\uff1aservlet \u5728Servlet 3\u4e2d\u5f15\u5165\u4e86\u4e00\u9879\u65b0\u7684\u6280\u672f\u53ef\u4ee5\u8ba9Serv […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-38544","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=38544"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38544\/revisions"}],"predecessor-version":[{"id":38545,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38544\/revisions\/38545"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=38544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=38544"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=38544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}