{"id":1067,"date":"2021-03-08T16:50:02","date_gmt":"2021-03-08T08:50:02","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=1067"},"modified":"2021-03-17T11:38:53","modified_gmt":"2021-03-17T03:38:53","slug":"httpsession%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-1067.html","title":{"rendered":"httpSession\u7684\u4f7f\u7528"},"content":{"rendered":"\n<p>\u670d\u52a1\u5668\u4f1a\u8bdd\u6280\u672f\uff0c\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<h5>1.session\u57fa\u4e8ecookie<\/h5>\n\n\n\n<p>\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u54cd\u5e94\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u5c06\u4f1a\u8bddid\u4e0e\u54cd\u5e94\u6570\u636e\u4e00\u8d77\u53d1\u9001\u7ed9\u5ba2\u6237\uff0c\u8fd9\u662f\u901a\u8fc7Set-Cookie\u54cd\u5e94\u5934\u6765\u5b9e\u73b0\u7684\uff0c\u54cd\u5e94\u6d88\u606f\u53ef\u80fd\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HTTP\/1.1 200 OK\nSet - Cookie:JSESSIONID = 61C4F23521390E70993E5120263C6\nContent - Type:text\/html\n...<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684\u4f1a\u8bddid\uff0c\u5b83\u662f32\u4f4d\u7684\u5341\u516d\u8fdb\u5236\u6570<\/p>\n\n\n\n<p>\u5f53\u5ba2\u6237\u7aef\u518d\u6b21\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u65f6\uff0c\u4f1a\u628a\u8be5cookie\u5934\u4e00\u8d77\u53d1\u9001\u8fc7\u53bb<\/p>\n\n\n\n<h5>2.\u83b7\u53d6session\u5bf9\u8c61<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>HttpSession session = request.getSession();\n\/\/\u4e0e\u6b64\u65b9\u6cd5\u7b49\u4ef7\u7684\u662f\nHttpSession sessio  = request.getSession(true);<\/code><\/pre>\n\n\n\n<h5>3.HttpSession API\u7684\u5e38\u7528\u65b9\u6cd5<\/h5>\n\n\n\n<ul><li>public String getId()\uff1b\u8fd4\u56de\u4f1a\u8bdd\u7684\u552f\u4e00\u6807\u8bc6\u7b26<\/li><li>public long getCreationTime()\uff1b\u8fd4\u56de\u521b\u5efa\u65f6\u95f4\uff0c\u662f1970\u5230\u73b0\u5728\u7684\u79d2\u6570<\/li><li>public long getLastAccessedTime()\uff1b\u8fd4\u56de\u4f1a\u8bdd\u6700\u540e\u88ab\u8bbf\u95ee\u7684\u65f6\u95f4<\/li><li>public boolean isNew()\uff1b\u5982\u679c\u4f1a\u8bdd\u5bf9\u8c61\u8fd8\u6ca1\u6709\u88ab\u5173\u8054\uff0c\u8fd4\u56detrue<\/li><li>public ServletContext getServletContext()\uff1b\u83b7\u53d6ServletContext\u5bf9\u8c61<\/li><li><strong>public void setAttribute(String name,Object value)\uff1b\u5b58\u4e00\u4e2a\u503c<\/strong><\/li><li><strong>public Object getAttribute(String name)\uff1b\u83b7\u53d6\u4e00\u4e2a\u503c<\/strong><\/li><li>public void removeAttribute(String name)\uff1b\u5220\u9664\u4e00\u4e2a\u503c<\/li><li>public Enumeration getAttributeNames()\uff1b\u4ee5\u679a\u4e3e\u5bf9\u8c61\u8fd4\u56de\u6240\u6709\u5c5e\u6027<\/li><li>public void setMaxInactiveInterval(int interval)\uff1b\u8bbe\u7f6e\u5931\u6548\u65f6\u95f4<ul><li>\u6574\u6570\uff0c\u5b58\u6d3b\u7684\u79d2\u6570<\/li><li>0\uff0c\u6c38\u4e0d\u5931\u6548<\/li><li>\u8d1f\u6570\uff0c\u6c38\u4e0d\u5931\u6548<\/li><\/ul><\/li><li>public int getMaxInactiveInterval()\uff1b\u83b7\u53d6\u5b58\u6d3b\u65f6\u95f4<\/li><li>public void invalidate()\uff1b\u4f7f\u5bf9\u8c61\u5931\u6548\u5e76\u5220\u9664\u6240\u6709\u5b58\u5728\u8be5\u5bf9\u8c61\u7684\u6570\u636e<\/li><\/ul>\n\n\n\n<h5>4.\u4f1a\u8bdd\u8d85\u65f6\u4e0e\u5931\u6548<\/h5>\n\n\n\n<p>\u53ef\u4ee5\u5728web.xml\u4e2d\u914d\u7f6e\u4f1a\u8bdd\u8d85\u65f6\u65f6\u95f4<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;session - config&gt;\n    &lt;session - timeout&gt;10&lt;\/session - timeout&gt;\n&lt;\/session - config&gt;<\/code><\/pre>\n\n\n\n<p>\u4f1a\u8bdd\u7684\u9ed8\u8ba4\u8d85\u65f6\u65f6\u95f4\u662f30\u5206\u949f\uff0c\u4e0a\u9762\u7684timeout\u5355\u4f4d\u662f\u79d2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u670d\u52a1\u5668\u4f1a\u8bdd\u6280\u672f\uff0c\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u670d\u52a1\u5668\u3002 1.session\u57fa\u4e8ecookie \u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u54cd\u5e94\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u5c06&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/java\/post-1067.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">httpSession\u7684\u4f7f\u7528<\/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\/1067"}],"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=1067"}],"version-history":[{"count":3,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1067\/revisions"}],"predecessor-version":[{"id":1167,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/1067\/revisions\/1167"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=1067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=1067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=1067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}