统计符合条件的数量

src/main/java/cn/chjyj/szwh/mapper/ClassifyMapper.java

@@ -29,6 +29,13 @@ public interface ClassifyMapper {
      */
     int countAllRs();
 
+    /**
+     * 统计符合条件的数量
+     * @param qmap
+     * @return
+     */
+    int countRsByMap(@Param("map")Map<String,Object> qmap);
+
     /**
      * 依据条件进行统计
      * @param strwhere

src/main/java/cn/chjyj/szwh/service/impl/ClassifyServiceImpl.java

@@ -36,7 +36,7 @@ public class ClassifyServiceImpl implements ClassifyService {
         int end=page*limit;
 
         //记录总数
-        int total =classifyMapper.countAllRs();
+        int total =classifyMapper.countRsByMap(qmap);
 
         SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 

src/main/resources/mapper/szwh/ClassifyMapper.xml

@@ -38,6 +38,26 @@
         select count(*) from <include refid="tbName"/>;
     </select>
 
+    <!--统计符合条件记录-->
+    <select id="countRsByMap" resultType="java.lang.Integer">
+        select count(*) from <include refid="tbName"/>
+        <where>
+            <!-- 查询条件封装在map中，以k-v形式进行查询-->
+            <foreach collection="map" item="v" index="k" separator="and">
+                <if test="v != null and v != '' and k!='createtime'">
+                    ${k} = #{v}
+                </if>
+                <if test="k=='createtime'">
+                    ${v}
+                </if>
+            </foreach>
+            <if test="startRs!=null">
+                and id>#{startRs}
+            </if>
+        </where>
+    </select>
+
+
     <!-- 依据条件统计 -->
     <select id="countWcon" resultType="java.lang.Integer">
         select count(*)