From 419dea2014d0dcd99301c3dc913e25050ffbef46 Mon Sep 17 00:00:00 2001
From: huangqizhen <huangqizhen@legu168.com>
Date: Sat, 28 Dec 2024 11:19:22 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=8E=E7=AB=AF=E6=95=B4=E5=90=88=E6=A8=A1?=
 =?UTF-8?q?=E5=9D=97?=
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---
 src/main/java/com/example/demo/mapper/UserMapper.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/example/demo/mapper/UserMapper.java b/src/main/java/com/example/demo/mapper/UserMapper.java
index bbf0c5f..4c9ad6b 100644
--- a/src/main/java/com/example/demo/mapper/UserMapper.java
+++ b/src/main/java/com/example/demo/mapper/UserMapper.java
@@ -11,7 +11,12 @@ import java.util.List;
 @Mapper
 public interface UserMapper {
     @Select({
-            "select jwcode from user where jwcode=#{jwcode}"
+            "<script>",
+            "select jwcode from user",
+            "<where>",
+            "<if test='jwcode!=null and jwcode.length>0'>and jwcode=#{jwcode}</if>",
+            "</where>",
+            "</script>"
     })
     List<String> selectJwcode();
     @Select({