From f8df78b065be2d81bca71990593591674329f7aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B0=AD=E5=87=AF=E5=87=AF?= <tankaikai@aliyun.com>
Date: Mon, 30 Dec 2024 17:16:08 +0800
Subject: [PATCH] =?UTF-8?q?=E9=A6=96=E9=A1=B5=E6=9F=A5=E8=AF=A2=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96?=
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---
 .../course/service/impl/CourseDetailsServiceImpl.java        | 5 +++++
 src/main/resources/mapper/course/CourseDetailsDao.xml        | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sqx/modules/course/service/impl/CourseDetailsServiceImpl.java b/src/main/java/com/sqx/modules/course/service/impl/CourseDetailsServiceImpl.java
index 29d4dbe7..8a8e14f0 100644
--- a/src/main/java/com/sqx/modules/course/service/impl/CourseDetailsServiceImpl.java
+++ b/src/main/java/com/sqx/modules/course/service/impl/CourseDetailsServiceImpl.java
@@ -1,5 +1,6 @@
 package com.sqx.modules.course.service.impl;
 
+import cn.hutool.core.lang.Validator;
 import cn.hutool.core.util.StrUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -9,6 +10,7 @@ import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.sqx.common.exception.SqxException;
 import com.sqx.common.utils.DateUtils;
 import com.sqx.common.utils.PageUtils;
 import com.sqx.common.utils.Result;
@@ -238,6 +240,9 @@ public class CourseDetailsServiceImpl extends ServiceImpl<CourseDetailsDao, Cour
                 userId = Long.parseLong(claims.getSubject());
             }
         }
+        if(!Validator.isNumber(randomNum)){
+            throw new SqxException("随机码必须是数字");
+        };
         IPage<CourseDetails> courseDetailsIPage = baseMapper.selectCourseDetailsList(new Page<>(page, limit), randomNum, wxShow, dyShow);
 
         if (userId != null) {
diff --git a/src/main/resources/mapper/course/CourseDetailsDao.xml b/src/main/resources/mapper/course/CourseDetailsDao.xml
index 558bdb5e..6a4c05ac 100644
--- a/src/main/resources/mapper/course/CourseDetailsDao.xml
+++ b/src/main/resources/mapper/course/CourseDetailsDao.xml
@@ -57,7 +57,7 @@
         <if test='null != dyShow and dyShow==2'>
             and (c.dy_show = #{dyShow} or c.dy_show is null)
         </if>
-        order by SUBSTR(uid, #{randomNum}, 6)
+        order by SUBSTR(uid, ${randomNum}, 6)
     </select>
 
 </mapper>