{"id":1203,"date":"2020-10-28T16:36:44","date_gmt":"2020-10-28T08:36:44","guid":{"rendered":"http:\/\/diuut.com\/?p=1203"},"modified":"2020-10-29T09:26:41","modified_gmt":"2020-10-29T01:26:41","slug":"%e5%9f%ba%e4%ba%8eredis-zset%e5%ae%9e%e7%8e%b0%e5%9c%a8%e7%ba%bf%e7%94%a8%e6%88%b7%e7%bb%9f%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/diuut.com\/?p=1203","title":{"rendered":"\u57fa\u4e8eRedis Zset\u5b9e\u73b0\u5728\u7ebf\u7528\u6237\u7edf\u8ba1"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\"><p>\u9700\u6c42\uff1a<\/p><cite>\u7edf\u8ba1\u9875\u9762\u7684\u5f53\u524d\u5728\u7ebf\u7528\u6237\u7edf\u8ba1\u3002<\/cite><\/blockquote>\n\n\n\n<p>   \u7531\u4e8e\u4e0d\u662fsocket\u8fde\u63a5\uff0c\u6240\u4ee5\u4e0d\u662f\u771f\u5b9e\u7684\u5b9e\u65f6\u5728\u7ebf\u7528\u6237\uff0c\u662f\u5bf9\u7528\u6237\u767b\u5f55\u6216\u8005\u666e\u901a\u64cd\u4f5c\u7684\u65f6\u95f4\u8fdb\u884c\u6807\u8bb0\u65f6\u95f4\u6233\uff0c\u65f6\u95f4\u6233\u4e4b\u540e\u591a\u5c11\u5206\u949f\u5185\uff0c\u90fd\u662f\u7b97\u4f5c\u5728\u7ebf\u7684\uff0c\u9650\u5b9a\u65f6\u95f4\u4e4b\u540e\u5c31\u7b97\u4f5c\u79bb\u7ebf\u3002<\/p>\n\n\n\n<p>\u5728\u6211\u5f53\u524d\u9879\u76ee\u4e2d\u6211\u6709\u4e00\u4e2a\u7edf\u4e00\u7684token\u9a8c\u8bc1\u65b9\u6cd5\uff0c\u6211\u5c31\u628a\u6807\u8bb0\u65f6\u95f4\u6233\u7684\u65b9\u6cd5\u52a0\u5728\u8be5\u65b9\u6cd5\u4e2d\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\n \/**\n     * \u5728\u7ebf\u7528\u6237\u7edf\u8ba1\n     * @param uid uid\n     *\/\n\/\/\u7528\u6237\u5728\u7ebf\u65f6\u95f4\u6233\n    private void onlineUser(int uid) {\n        redisTemplate.opsForZSet().add(&quot;onlineUserCount&quot;, uid + &quot;&quot;, ServerTimer.getDayHourMinute());\n    }\n\n    \/**\n     * \u516c\u5171\u767b\u9646\u9a8c\u8bc1\n     *\n     * @param name  \u7528\u6237\u540d\n     * @param token token\n     * @return result\n     *\/\n    private String CommonLogin(String name, String token) {\n        User user1 = userRedisDao.getOneByName(name);\n        if (user1 == null) {\n            return &quot;\u7528\u6237&quot; + name + &quot;\u4e0d\u5b58\u5728&quot;;\n        }\n        User user = userRedisDao.getOneByToken(token);\n        if (user == null) {\n            return &quot;\u767b\u9646\u8fc7\u671f\uff0c\u8bf7\u91cd\u65b0\u767b\u9646&quot;;\n        }\n        if (user.getUid() != user1.getUid()) {\n            return &quot;\u5df2\u5728\u5176\u4ed6\u8bbe\u5907\u767b\u9646\uff0c\u8bf7\u9000\u51fa\u5e94\u7528\u91cd\u65b0\u767b\u9646&quot;;\n        }\n        this.onlineUser(user.getUid());\n        return &quot;success&quot;;\n    }\n<\/pre><\/div>\n\n\n<p>\u8fd9\u91cc\u7684ServerTimer.getHourMinute()\u662f\u5c06\u5f53\u524d\u65f6\u95f4\u5b58\u4e3aHHmm\u7684\u4e00\u4e2aint\uff0c\u4f5c\u4e3a\u65f6\u95f4\u6233\u5b58\u5165\u201conlineUserCount\u201d\u8fd9\u4e2akey\u7684\u4e00\u4e2amember\u7684\u5206\u6570\u4e2d\uff0c\u7528\u4e8e\u4e4b\u540e\u81ea\u52a8\u5224\u65ad\u8fc7\u671f\u6e05\u9664\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\n\t\/\/ServerTimer.getHourMinute()\n\tpublic static int getDayHourMinute() {\n\t\tString timeHm = ServerTimer.getTimeHm();\n\t\treturn Integer.parseInt(timeHm);\n\t}\n        public static String getTimedHm() {\n\t\tCalendar now = Calendar.getInstance();\n\t\tSimpleDateFormat s = new SimpleDateFormat(&quot;ddHHmm&quot;);\n\t\treturn s.format(now.getTime());\n\t}\n<\/pre><\/div>\n\n\n<p>\u5b58\u5165\u65f6\u95f4\u6233\u7684\u6b65\u9aa4\u5c31\u5230\u8fd9\u91cc\uff0c\u4e4b\u540e\u6211\u4eec\u8fd8\u9700\u8981\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\u7528\u4e8e\u81ea\u52a8\u6e05\u9664\u8fc7\u671f\u7684member\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\n    \/\/5\u5206\u949f\u672a\u64cd\u4f5c\u6e05\u9664\u7528\u6237\u5728\u7ebf\u7edf\u8ba1\n    @Scheduled(fixedDelay = 60000)\n    public void clearOnlineUser() {\n        Calendar now = Calendar.getInstance();\n        now.add(Calendar.MINUTE,-5);\n        SimpleDateFormat s = new SimpleDateFormat(&quot;ddHHmm&quot;);\n        int score = Integer.parseInt(s.format(now.getTime()));\n        Long count = redisTemplate.opsForZSet().removeRangeByScore(&quot;onlineUserCount&quot;, -1, score);\n        log.info(&quot;\u5f53\u524d\u5728\u7ebf\u7528\u6237\uff1a{}&quot;,count);\n    }\n<\/pre><\/div>\n\n\n<p>\u67e5\u8be2\u65b9\u6cd5\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; title: ; notranslate\" title=\"\">\n    \/**\n     * \u83b7\u53d6\u5f53\u524d\u5728\u7ebf\u7528\u6237\u6570\n     *\n     * @return \u5f53\u524d\u5728\u7ebf\u7528\u6237\u6570\n     *\/\n    public Object getOnlineUser() {\n        return redisTemplate.opsForZSet().count(&quot;onlineUserCount&quot;, -1, 999999);\n    }\n<\/pre><\/div>\n\n\n<p>\u4ee5\u4e0a\u5c31\u662f\u57fa\u4e8eredis Zset\u5728\u7ebf\u7528\u6237\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u76f8\u8f83\u4e8e\u5fc3\u8df3\uff0c\u51cf\u5c11\u4e86\u4e0e\u524d\u7aef\u7684\u4ea4\u4e92\uff0c\u7eaf\u540e\u7aef\u5b9e\u73b0\uff0c \u4e14\u5185\u5b58\u5360\u7528\u6027\u80fd\u5360\u7528\u5747\u5728\u53ef\u63a5\u53d7\u7684\u8303\u56f4\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9700\u6c42\uff1a \u7edf\u8ba1\u9875\u9762\u7684\u5f53\u524d\u5728\u7ebf\u7528\u6237\u7edf\u8ba1\u3002 \u7531\u4e8e\u4e0d\u662fsocket\u8fde\u63a5\uff0c\u6240\u4ee5\u4e0d\u662f\u771f\u5b9e\u7684\u5b9e\u65f6\u5728\u7ebf\u7528\u6237\uff0c\u662f\u5bf9\u7528\u6237\u767b\u5f55\u6216\u8005\u666e<span class=\"more-button\"><a href=\"https:\/\/diuut.com\/?p=1203\" class=\"more-link\">view all . . .<span class=\"screen-reader-text\">\u57fa\u4e8eRedis Zset\u5b9e\u73b0\u5728\u7ebf\u7528\u6237\u7edf\u8ba1<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[10,25],"_links":{"self":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts\/1203"}],"collection":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1203"}],"version-history":[{"count":3,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts\/1203\/revisions"}],"predecessor-version":[{"id":1207,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts\/1203\/revisions\/1207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/media\/688"}],"wp:attachment":[{"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}