feat(pc): 添加打印机管理功能- 新增 PrinterManageController 类实现打印机管理接口

- 添加打印机列表查询、详情、创建、更新、删除等功能
- 新增打印机状态、首选尺寸、当前使用设备更新接口
- 在 PrinterMapper.xml 中添加相关 SQL 语句

src/main/resources/mapper/PrinterMapper.xml

@@ -78,6 +78,8 @@
             printers,
             use_printer,
             status,
+            prefer_w,
+            prefer_h,
             create_time,
             update_time
         ) VALUES (
@@ -87,6 +89,8 @@
             #{printers},
             #{usePrinter},
             #{status},
+            #{preferW},
+            #{preferH},
             NOW(),
             NOW()
         )
@@ -116,14 +120,33 @@
     <!-- 更新 -->
     <update id="update">
         UPDATE printer
-        SET
-            access_key = #{accessKey},
-            name = #{name},
-            scenic_id = #{scenicId},
-            printers = #{printers},
-            use_printer = #{usePrinter},
-            status = #{status},
+        <set>
+            <if test="accessKey != null">
+                access_key = #{accessKey},
+            </if>
+            <if test="name != null">
+                name = #{name},
+            </if>
+            <if test="scenicId != null">
+                scenic_id = #{scenicId},
+            </if>
+            <if test="printers != null">
+                printers = #{printers},
+            </if>
+            <if test="usePrinter != null">
+                use_printer = #{usePrinter},
+            </if>
+            <if test="status != null">
+                status = #{status},
+            </if>
+            <if test="preferW != null">
+                prefer_w = #{preferW},
+            </if>
+            <if test="preferH != null">
+                prefer_h = #{preferH},
+            </if>
             update_time = NOW()
+        </set>
         WHERE id = #{id}
     </update>
     <update id="updateTaskStatus">