{"id":1175,"date":"2021-03-17T21:43:59","date_gmt":"2021-03-17T13:43:59","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=1175"},"modified":"2021-03-17T21:44:00","modified_gmt":"2021-03-17T13:44:00","slug":"listener%e7%9b%91%e5%90%ac%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-1175.html","title":{"rendered":"listener\u76d1\u542c\u5668"},"content":{"rendered":"\n<p>listener\u53ef\u4ee5\u76d1\u542c\u4e8b\u4ef6\u7684\u53d1\u751f, \u5e76\u505a\u4e00\u4e9b\u5904\u7406<\/p>\n\n\n\n<p>listener \u53ef\u4ee5\u76d1\u542c\u7684\u5185\u5bb9\u5f88\u591a, \u8fd9\u91cc\u4ec5\u4ecb\u7ecd ServletContext\u5bf9\u8c61\u7684\u76d1\u542c<\/p>\n\n\n\n<h5>\u521b\u5efa\u4e00\u4e2a listener<\/h5>\n\n\n\n<p>\u8fd9\u91cc\u521b\u5efa\u4e00\u4e2a class, \u5b9e\u73b0\u4e86 ServletContextListener \u63a5\u53e3.<\/p>\n\n\n\n<p>\u6b64\u65f6, \u4f1a\u9ed8\u8ba4\u9700\u8981\u8986\u76d6 2 \u4e2a\u65b9\u6cd5, <\/p>\n\n\n\n<ul><li>init &#8211;> ServletContext\u521b\u5efa\u4e86<\/li><li>destroy &#8211;> ServletContext\u9500\u6bc1\u4e86<\/li><\/ul>\n\n\n\n<p>\u5728\u65b9\u6cd5\u4f53\u5185, \u5199\u4e00\u4e9b\u9700\u8981\u5904\u7406\u7684\u903b\u8f91\u4ee3\u7801<\/p>\n\n\n\n<h5>\u6ce8\u518c\u76d1\u542c<\/h5>\n\n\n\n<p>\u4ec5\u4ec5\u521b\u5efa class , \u5e76\u5b9e\u73b0\u63a5\u53e3, \u5e76\u4e0d\u80fd\u771f\u6b63\u76d1\u542c, \u8fd8\u9700\u8981&#8221;\u6ce8\u518c\u76d1\u542c&#8221;, \u6709 2 \u79cd\u65b9\u5f0f<\/p>\n\n\n\n<p><strong>\u4f7f\u7528 web.xml<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;listener>\n    &lt;listener-class>\u7c7b\u7684\u5168\u9650\u5b9a\u7c7b\u540d&lt;\/listener-class>\n&lt;\/listener><\/code><\/pre>\n\n\n\n<h5>\u4f7f\u7528\u6ce8\u89e3 : @WebListener<\/h5>\n","protected":false},"excerpt":{"rendered":"<p>listener\u53ef\u4ee5\u76d1\u542c\u4e8b\u4ef6\u7684\u53d1\u751f, \u5e76\u505a\u4e00\u4e9b\u5904\u7406 listener \u53ef\u4ee5\u76d1\u542c\u7684\u5185\u5bb9\u5f88\u591a, \u8fd9\u91cc\u4ec5\u4ecb\u7ecd Ser&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-1175.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">listener\u76d1\u542c\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1175"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=1175"}],"version-history":[{"count":1,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1175\/revisions"}],"predecessor-version":[{"id":1176,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1175\/revisions\/1176"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=1175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=1175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=1175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}