优化代码

src/main/resources/mapper/BehospitalInfoMapper.xml

@@ -50,16 +50,16 @@
         <if test="behospitalCode != null and behospitalCode != ''">
             and a.behospitalCode like CONCAT('%',#{behospitalCode},'%')
         </if>
-        <if test="behosDateStart != null and behosDateStart != ''">
+        <if test="behosDateStart != null">
             <![CDATA[ and a.behospital_date >= #{behosDateStart}]]>
         </if>
-        <if test="behosDateEnd != null and behosDateEnd != ''">
+        <if test="behosDateEnd != null">
             <![CDATA[ and a.behospital_date <= #{behosDateEnd}]]>
         </if>
-        <if test="leaveHosDateStart != null and leaveHosDateStart != ''">
+        <if test="leaveHosDateStart != null">
             <![CDATA[ and a.leave_hospital_date >= #{leaveHosDateStart}]]>
         </if>
-        <if test="leaveHosDateEnd != null and leaveHosDateEnd != ''">
+        <if test="leaveHosDateEnd != null">
             <![CDATA[ and a.leave_hospital_date <= #{leaveHosDateEnd}]]>
         </if>
     </select>