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feat(printer): 实现打印机任务WebSocket实时推送功能
- 新增PrinterTaskPushService接口及实现,负责任务推送逻辑 - 在PrinterServiceImpl中集成WebSocket推送,在任务创建和审核通过时主动推送 - 新增WebSocket配置类和处理器,支持打印机通过WebSocket连接接收任务 - 实现连接管理器,维护打印机在线状态并支持心跳保活 - 添加相关模型类如WsMessage、WsMessageType等,规范通信协议 - 在PrinterMapper中增加查询待处理任务列表的方法 - 完善异常处理和日志记录,确保推送可靠性
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@@ -29,6 +29,12 @@
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<select id="findTaskByPrinterId" resultType="com.ycwl.basic.model.printer.resp.PrintTaskResp">
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select * FROM print_task WHERE status = 0 and printer_id = #{printerId} LIMIT 1
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</select>
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<select id="listPendingTasksByPrinterId" resultType="com.ycwl.basic.model.printer.resp.PrintTaskResp">
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SELECT * FROM print_task
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WHERE status = 0 AND printer_id = #{printerId}
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ORDER BY create_time ASC
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LIMIT 100
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</select>
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<select id="getTaskById" resultType="com.ycwl.basic.model.pc.printer.entity.PrintTaskEntity">
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select * from print_task WHERE id = #{id}
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</select>
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