feat(printer): 添加打印任务分页查询和重新打印功能- 引入 PageHelper 和 PageInfo 实现分页查询

- 新增 PrintTaskMapper 接口方法 queryByCondition 和 updateStatus
- 扩展 PrintTaskEntity 实体类，新增 mpId 和 paper 字段- 在 PrinterController 中新增 /task/page 和 /task/reprint/{id} 接口- 更新 PrintTaskMapper.xml，添加查询和更新状态的 SQL语句- 优化打印任务插入逻辑，补充 mpId 和 paper 字段赋值

src/main/resources/mapper/PrintTaskMapper.xml

@@ -2,7 +2,26 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
 <mapper namespace="com.ycwl.basic.mapper.PrintTaskMapper">
     <insert id="insertTask">
-        insert into print_task(printer_id, status, printer_name, url, width, height, create_time)
-        values (#{printerId}, 0, #{printerName}, #{url}, #{width}, #{height}, NOW())
+        insert into print_task(printer_id, mp_id, paper, status, printer_name, url, width, height, create_time)
+        values (#{printerId}, #{mpId}, #{paper}, 0, #{printerName}, #{url}, #{width}, #{height}, NOW())
     </insert>
+
+    <select id="queryByCondition" resultType="com.ycwl.basic.model.pc.printer.entity.PrintTaskEntity">
+        select id, printer_id, status, printer_name, url, width, height, mp_id, paper, create_time, update_time
+        from print_task
+        where 1=1
+        <if test="printerId != null">
+            and printer_id = #{printerId}
+        </if>
+        <if test="status != null">
+            and status = #{status}
+        </if>
+        order by create_time desc
+    </select>
+
+    <update id="updateStatus">
+        update print_task
+        set status = #{status}, update_time = NOW()
+        where id = #{id}
+    </update>
 </mapper>