From e041d9e3e0ff82c471ff573630642f985da494bb Mon Sep 17 00:00:00 2001
From: Administrator <450292408@qq.com>
Date: Thu, 21 Oct 2021 07:57:12 +0000
Subject: [PATCH] docs: create wg-basic/mapper-unit

---
 wg-basic/mapper-unit.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 wg-basic/mapper-unit.md

diff --git a/wg-basic/mapper-unit.md b/wg-basic/mapper-unit.md
new file mode 100644
index 0000000..e99e909
--- /dev/null
+++ b/wg-basic/mapper-unit.md
@@ -0,0 +1,21 @@
+---
+title: Mapper代码块
+description: 
+published: true
+date: 2021-10-21T07:57:10.297Z
+tags: wg-basic
+editor: markdown
+dateCreated: 2021-10-21T07:57:10.297Z
+---
+
+# 排序条件
+```xml
+<if test="order != null and order != ''">
+  ORDER BY
+  <trim suffixOverrides=",">
+    <if test="order == 'teamOrder'">
+      t1.team_order <if test="sort != null and sort != ''"><if test="sort == 'asc'">ASC</if><if test="sort == 'desc'">DESC</if></if>,
+    </if>
+  </trim>
+</if>
+```
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