| <?xml version="1.0" encoding="UTF-8"?> | 
| <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> | 
| <mapper namespace="com.xzx.gc.user.mapper.SysEnvironmentalInfoMapper"> | 
|   | 
|     <update id="deleteGoods"> | 
|         update xzx_sys_environmental_info set del_flag=1 | 
|         where del_flag=0 | 
|         <if test="townList != null and townList.size() != 0"> | 
|             AND city_id in | 
|             <foreach collection="townList" index="index" item="tid" open="(" separator="," close=")"> | 
|                 #{tid} | 
|             </foreach> | 
|         </if> | 
|     </update> | 
|   | 
| </mapper> |