init

app/admin/service/SystemLogService.php

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+<?php
+
+namespace app\admin\service;
+
+use think\facade\Db;
+use think\facade\Config;
+
+/**
+ * 系统日志表
+ * Class SystemLogService
+ * @package app\admin\service
+ */
+class SystemLogService
+{
+
+    /**
+     * 当前实例
+     * @var object
+     */
+    protected static $instance;
+
+    /**
+     * 表前缀
+     * @var string
+     */
+    protected $tablePrefix;
+
+    /**
+     * 表后缀
+     * @var string
+     */
+    protected $tableSuffix;
+
+    /**
+     * 表名
+     * @var string
+     */
+    protected $tableName;
+
+    /**
+     * 构造方法
+     * SystemLogService constructor.
+     */
+    protected function __construct()
+    {
+        $this->tablePrefix = Config::get('database.connections.mysql.prefix');
+        $this->tableSuffix = date('Ym', time());
+        $this->tableName = "{$this->tablePrefix}system_log_{$this->tableSuffix}";
+        return $this;
+    }
+
+    /**
+     * 获取实例对象
+     * @return SystemLogService|object
+     */
+    public static function instance()
+    {
+        if (is_null(self::$instance)) {
+            self::$instance = new static();
+        }
+        return self::$instance;
+    }
+
+
+    /**
+     * 保存数据
+     * @param $data
+     * @return bool|string
+     */
+    public function save($data)
+    {
+        Db::startTrans();
+        try {
+            $this->detectTable();
+            Db::table($this->tableName)->insert($data);
+            Db::commit();
+        } catch (\Exception $e) {
+            Db::rollback();
+            return $e->getMessage();
+        }
+        return true;
+    }
+
+    /**
+     * 检测数据表
+     * @return bool
+     */
+    protected function detectTable()
+    {
+        $check = Db::query("show tables like '{$this->tableName}'");
+        if (empty($check)) {
+            $sql = $this->getCreateSql();
+            Db::execute($sql);
+        }
+        return true;
+    }
+
+    public function getAllTableList()
+    {
+
+    }
+
+    /**
+     * 根据后缀获取创建表的sql
+     * @return string
+     */
+    protected function getCreateSql()
+    {
+        return <<<EOT
+CREATE TABLE `{$this->tableName}` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'ID',
+  `admin_id` int(10) unsigned DEFAULT '0' COMMENT '管理员ID',
+  `url` varchar(1500) NOT NULL DEFAULT '' COMMENT '操作页面',
+  `method` varchar(50) NOT NULL COMMENT '请求方法',
+  `title` varchar(100) DEFAULT '' COMMENT '日志标题',
+  `content` text NOT NULL COMMENT '内容',
+  `ip` varchar(50) NOT NULL DEFAULT '' COMMENT 'IP',
+  `useragent` varchar(255) DEFAULT '' COMMENT 'User-Agent',
+  `create_time` int(10) DEFAULT NULL COMMENT '操作时间',
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=630 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT COMMENT='后台操作日志表 - {$this->tableSuffix}';
+EOT;
+    }
+
+}