经验交流代码提交

qianhe-ydsj/src/main/resources/mapper/JygxWzglMapper.xml

@@ -262,7 +262,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         FROM
             jygx_lxwh l
         LEFT JOIN
-            jygx_wzgl w ON l.lxmc = w.lxmc AND w.wznr LIKE concat('%', #{wznr}, '%') OR w.wzbt LIKE concat('%', #{wznr}, '%')
+            jygx_wzgl w ON l.lxmc = w.lxmc
+        <if test="wznr != null  and wznr != ''">
+        AND w.wznr LIKE concat('%', #{wznr}, '%') OR w.wzbt LIKE concat('%', #{wznr}, '%')</if>
+
         GROUP BY
             l.lxmc
     </select>