add

freedom/basic/BaseModel.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace freedom\basic;
+
+use think\facade\Db;
+use think\Model;
+
+class BaseModel extends model
+{
+    private static $errorMsg;
+
+    const DEFAULT_ERROR_MSG = '操作失败,请稍候再试!';
+
+    /**
+     * 设置错误信息
+     * @param string $errorMsg
+     * @return bool
+     */
+    protected static function setErrorInfo($errorMsg = self::DEFAULT_ERROR_MSG, $rollback = false)
+    {
+        if ($rollback) self::rollbackTrans();
+        self::$errorMsg = $errorMsg;
+        return false;
+    }
+
+    /**
+     * 获取错误信息
+     * @param string $defaultMsg
+     * @return string
+     */
+    public static function getErrorInfo($defaultMsg = self::DEFAULT_ERROR_MSG)
+    {
+        return !empty(self::$errorMsg) ? self::$errorMsg : $defaultMsg;
+    }
+
+    /**
+     * 开启事务
+     */
+    public static function beginTrans()
+    {
+        Db::startTrans();
+    }
+
+    /**
+     * 提交事务
+     */
+    public static function commitTrans()
+    {
+        Db::commit();
+    }
+
+    /**
+     * 关闭事务
+     */
+    public static function rollbackTrans()
+    {
+        Db::rollback();
+    }
+
+    /**
+     * 根据结果提交滚回事务
+     * @param $res
+     */
+    public static function checkTrans($res)
+    {
+        if ($res) {
+            self::commitTrans();
+        } else {
+            self::rollbackTrans();
+        }
+    }
+}