• 秉承专业、专注、诚信、创新的经营理念
  • 全新的IT创新人才培养与战略目标
  • 为无数梦想成为IT开发工程师的学子助力起航

400-663-3380

物联网工程师班核心技能全景解析:从技术要点到学习体系全攻略

物联网工程师班核心技能全景解析:从技术要点到学习体系全攻略

授课机构: 天津职坐标教育

上课地点: 校区地址

成交/评价:

联系电话: 400-663-3380

物联网工程师班核心技能全景解析:从技术要点到学习体系全攻略课程详情

物联网开发的底层技术基石:为什么C/C++是核心?

在物联网设备开发领域,C/C++语言始终占据不可替代的地位。从操作系统层面看,超过90%的主流操作系统内核及驱动程序依赖C/C++完成开发——无论是嵌入式设备常用的Linux系统,还是工业级物联网网关的底层架构,都需要通过C语言实现高效的资源调度和硬件交互。

游戏开发领域同样印证着C++的价值,全球80%以上的3D游戏引擎(如Unreal Engine)和大型多人在线游戏(MMO)核心逻辑均基于C++编写,这种对性能要求极高的场景,正是C++内存管理优势的典型体现。而在用户高频使用的软件端,从微软Office到腾讯QQ等国民级应用,其核心功能模块的底层代码同样以C++为基础构建,确保了软件在高并发场景下的稳定性。

更值得关注的是搜索引擎领域,无论是百度、Google还是Bing,其核心搜索算法的高效运行都依赖C++实现的底层架构。这种需要处理海量数据、响应毫秒级查询的场景,充分验证了C/C++在物联网及泛互联网领域的技术底座价值。

物联网工程师必须掌握的六大核心技能模块

1. C语言程序设计与底层开发

作为物联网底层编程的必修课,C语言不仅是理解硬件交互逻辑的基础,更是掌握OSGi、OPC、Silverlight等物联网技术标准的前提。学员需要熟练掌握指针操作、内存管理、多线程编程等核心技术,能够独立完成嵌入式系统的驱动开发与调试,为后续传感器节点、物联网网关等设备的开发奠定基础。

2. 传感器技术:让设备"感知世界"的关键

传感器是物联网系统的"神经末梢",负责从物理世界中采集温度、湿度、压力、加速度等关键数据。这一技术涵盖传感器的选型设计、信号调理、数据校准等全流程操作,需要学员掌握MEMS传感器、红外传感器、激光雷达等主流设备的工作原理,能够根据具体应用场景(如工业监测、智能家居)设计传感器网络拓扑结构,并完成数据采集与预处理。

3. RFID技术:实现"物物对话"的标准化接口

RFID(射频识别)技术通过无线射频信号实现物品信息的自动采集,是物联网"让物说话"的核心支撑。学员需要掌握RFID标签的编码规则、读写器的通信协议(如ISO 14443、ISO 15693),以及如何将标签数据与中心信息系统对接。实际应用中,从仓储物流的货物追踪到智慧零售的无人结算,RFID技术都在发挥着关键作用。

4. 高速无线网络:构建物联通信的"信息高速路"

物联网设备的互联互通依赖于多样化的无线网络技术。长距离通信方面,需要掌握4G/5G蜂窝网络的接入方式;短距离通信则涉及蓝牙(Bluetooth)、Zigbee、NFC等技术的应用场景。学员需理解不同网络协议的技术特点(如Zigbee的低功耗特性、蓝牙的高传输速率),并能根据具体需求设计物联网设备的通信方案,确保海量数据的稳定传输。

5. 人工智能:让物联数据"智能决策"

在物联网系统中,人工智能技术主要负责对传感器采集的海量数据进行分析处理,实现设备的自主决策。学员需要掌握机器学习基础算法(如分类、回归、聚类),能够运用Python等工具对物联数据进行特征提取与模型训练,最终实现设备状态预测(如工业设备故障预警)、环境智能调控(如智能楼宇节能控制)等应用场景。

6. 云计算:物联设备的"大脑中枢"

受限于终端设备的计算与存储能力,物联网的海量数据处理必须依赖云计算平台。学员需要熟悉AWS、阿里云等主流云平台的架构设计,掌握数据存储(如分布式数据库)、弹性计算(如容器化部署)等核心技术,能够将物联网终端采集的数据高效上传至云端,并通过云平台实现数据的深度分析与价值挖掘。

从学习到的全链路保障:三大教学体系解析

"督学教辅练测"6维教学体系:定制化学习方案

针对学员基础差异,课程采用"督学+辅导+练习+测试+案例+"的6维教学体系。督学环节由专属学习顾问跟踪进度,定期调整学习计划;辅导环节安排讲师进行1对1答疑,解决技术难点;练习环节提供企业级项目库,覆盖智能家居、工业物联网等热门领域;测试环节通过阶段性考核检验学习效果,及时查漏补缺;案例环节拆解真实行业项目,还原企业开发流程;环节对接头部企业资源,提供简历优化、模拟面试等全流程支持。

闯关式学习模式:让技术掌握更有成就感

基于数万学员的学习数据迭代优化,课程被设计为"练中学"的闯关模式。每个技术模块设置3-5个关卡,学员需通过完成代码编写、项目调试、场景应用等任务解锁下一阶段。例如C语言模块设置"基础语法→指针操作→多线程编程"三关,每关包含理论讲解、视频演示、实操练习三个环节,通过可视化进度条实时反馈学习成果,大幅降低技术学习的枯燥感。

场景化教学方法:在实操中掌握核心技能

区别于传统理论灌输模式,课程采用"项目驱动"的场景化教学。学员从周开始接触真实开发场景,例如通过"智能温湿度监测系统"项目学习传感器数据采集,通过"仓库货物追踪系统"项目掌握RFID技术应用,通过"智能家居联动控制"项目熟悉无线网络与云计算的协同。这种"做中学"的方式,让学员在操作过程中自然掌握技术要点,避免了死记硬背的低效学习。

选择物联网工程师班的三大理由

首先,课程内容紧跟行业趋势。团队定期与华为、海尔等物联网头部企业技术专家研讨,确保教学内容覆盖5G+物联网、边缘计算等前沿技术,学员毕业即可掌握企业需要的最新技能。

其次,教学资源深度对接企业需求。课程包含20+真实企业项目案例,涵盖工业物联网、智慧医疗、车联网等热门领域,学员在学习过程中即可积累项目经验,简历竞争力显著提升。

最后,服务全程护航。除了常规的企业内推,课程还提供技术能力认证(如物联网工程师初级/中级认证)、行业人脉拓展(企业开放日、技术沙龙)等增值服务,帮助学员快速融入物联网行业生态。

天津职坐标教育

天津职坐标教育
认证 7 年

成立: 2006年

认证 地址认证 教学保障 在线预约 到店体验 售后支持
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-04 12:45:36 HTTP/1.1 GET : http://www.edudw.com/s/3923/c/58017.html
  2. 运行时间 : 0.068445s [ 吞吐率:14.61req/s ] 内存消耗:387.80kb 文件加载:136
  3. 缓存信息 : 0 reads,0 writes
  1. /data/web/baijiao_branch_collect/public/index.php ( 0.79 KB )
  2. /data/web/baijiao_branch_collect/vendor/autoload.php ( 0.75 KB )
  3. /data/web/baijiao_branch_collect/vendor/composer/autoload_real.php ( 1.63 KB )
  4. /data/web/baijiao_branch_collect/vendor/composer/platform_check.php ( 0.90 KB )
  5. /data/web/baijiao_branch_collect/vendor/composer/ClassLoader.php ( 15.99 KB )
  6. /data/web/baijiao_branch_collect/vendor/composer/autoload_static.php ( 4.26 KB )
  7. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
  8. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
  9. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/helper.php ( 1.47 KB )
  10. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
  11. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
  12. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
  13. /data/web/baijiao_branch_collect/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
  14. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
  15. /data/web/baijiao_branch_collect/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.78 KB )
  16. /data/web/baijiao_branch_collect/vendor/symfony/var-dumper/Resources/functions/dump.php ( 1.49 KB )
  17. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/App.php ( 15.30 KB )
  18. /data/web/baijiao_branch_collect/vendor/topthink/think-container/src/Container.php ( 15.76 KB )
  19. /data/web/baijiao_branch_collect/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
  20. /data/web/baijiao_branch_collect/app/provider.php ( 0.19 KB )
  21. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
  22. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
  23. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
  24. /data/web/baijiao_branch_collect/app/common.php ( 10.83 KB )
  25. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/helper.php ( 18.78 KB )
  26. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
  27. /data/web/baijiao_branch_collect/config/app.php ( 1.29 KB )
  28. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
  29. /data/web/baijiao_branch_collect/config/cache.php ( 1.22 KB )
  30. /data/web/baijiao_branch_collect/config/config.php ( 0.26 KB )
  31. /data/web/baijiao_branch_collect/config/console.php ( 0.29 KB )
  32. /data/web/baijiao_branch_collect/config/cookie.php ( 0.56 KB )
  33. /data/web/baijiao_branch_collect/config/database.php ( 2.29 KB )
  34. /data/web/baijiao_branch_collect/config/filesystem.php ( 0.63 KB )
  35. /data/web/baijiao_branch_collect/config/lang.php ( 0.81 KB )
  36. /data/web/baijiao_branch_collect/config/log.php ( 1.37 KB )
  37. /data/web/baijiao_branch_collect/config/middleware.php ( 0.19 KB )
  38. /data/web/baijiao_branch_collect/config/route.php ( 1.54 KB )
  39. /data/web/baijiao_branch_collect/config/session.php ( 0.57 KB )
  40. /data/web/baijiao_branch_collect/config/trace.php ( 0.34 KB )
  41. /data/web/baijiao_branch_collect/config/view.php ( 0.81 KB )
  42. /data/web/baijiao_branch_collect/app/event.php ( 0.25 KB )
  43. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
  44. /data/web/baijiao_branch_collect/app/service.php ( 0.13 KB )
  45. /data/web/baijiao_branch_collect/app/AppService.php ( 0.26 KB )
  46. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
  47. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
  48. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
  49. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
  50. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
  51. /data/web/baijiao_branch_collect/vendor/services.php ( 0.14 KB )
  52. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
  53. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
  54. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/service/ModelService.php ( 2.04 KB )
  55. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
  56. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
  57. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
  58. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Paginator.php ( 11.86 KB )
  59. /data/web/baijiao_branch_collect/vendor/topthink/think-validate/src/Validate.php ( 63.20 KB )
  60. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/Model.php ( 23.55 KB )
  61. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 21.05 KB )
  62. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/AutoWriteData.php ( 4.20 KB )
  63. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 6.75 KB )
  64. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/DbConnect.php ( 5.16 KB )
  65. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.33 KB )
  66. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 28.30 KB )
  67. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
  68. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
  69. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/model/contract/Modelable.php ( 0.09 KB )
  70. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
  71. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/DbManager.php ( 8.52 KB )
  72. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
  73. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
  74. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
  75. /data/web/baijiao_branch_collect/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
  76. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
  77. /data/web/baijiao_branch_collect/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
  78. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/helper/Arr.php ( 17.45 KB )
  79. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/driver/Redis.php ( 6.94 KB )
  80. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
  81. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
  82. /data/web/baijiao_branch_collect/app/Request.php ( 0.09 KB )
  83. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Request.php ( 55.78 KB )
  84. /data/web/baijiao_branch_collect/app/middleware.php ( 0.26 KB )
  85. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
  86. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/TraceDebug.php ( 3.40 KB )
  87. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Route.php ( 23.73 KB )
  88. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleName.php ( 5.75 KB )
  89. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Domain.php ( 2.53 KB )
  90. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleGroup.php ( 22.43 KB )
  91. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Rule.php ( 26.95 KB )
  92. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
  93. /data/web/baijiao_branch_collect/route/app.php ( 3.05 KB )
  94. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  95. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/dispatch/Controller.php ( 4.74 KB )
  96. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.44 KB )
  97. /data/web/baijiao_branch_collect/app/controller/Index.php ( 33.26 KB )
  98. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Request.php ( 9.20 KB )
  99. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
  100. /data/web/baijiao_branch_collect/app/model/IndexModel.php ( 19.95 KB )
  101. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Config.php ( 1.37 KB )
  102. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/facade/Cache.php ( 2.06 KB )
  103. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
  104. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 5.73 KB )
  105. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/PDOConnection.php ( 53.74 KB )
  106. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Connection.php ( 8.39 KB )
  107. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.57 KB )
  108. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.58 KB )
  109. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Builder.php ( 24.07 KB )
  110. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.50 KB )
  111. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/Query.php ( 15.97 KB )
  112. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/BaseQuery.php ( 45.13 KB )
  113. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
  114. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
  115. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 20.07 KB )
  116. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
  117. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 7.01 KB )
  118. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 19.37 KB )
  119. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 7.11 KB )
  120. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.63 KB )
  121. /data/web/baijiao_branch_collect/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
  122. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/driver/File.php ( 5.96 KB )
  123. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
  124. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/log/Channel.php ( 3.89 KB )
  125. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/event/LogRecord.php ( 1.02 KB )
  126. /data/web/baijiao_branch_collect/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  127. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
  128. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/response/View.php ( 3.29 KB )
  129. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  130. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
  131. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/view/driver/Php.php ( 6.44 KB )
  132. /data/web/baijiao_branch_collect/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  133. /data/web/baijiao_branch_collect/view/index/pc/school_course_details.php ( 6.12 KB )
  134. /data/web/baijiao_branch_collect/view/index/pc/school_top.php ( 5.76 KB )
  135. /data/web/baijiao_branch_collect/view/index/pc/school_bottom.php ( 1.16 KB )
  136. /data/web/baijiao_branch_collect/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000348s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.001280s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '3923' AND `site_id` = 2 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000299s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000686s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 3923 [ RunTime:0.000244s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000668s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 3923 [ RunTime:0.000235s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000737s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school_course_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 3923 AND `a`.`content_id` = '58017' AND `course_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000595s ]
  10. (select content_id,course_name from fqi_school_course where school_id = '3923' and content_id < '58017' and site_id = '2' order by content_id desc limit 1) union all(select content_id,course_name from fqi_school_course where school_id = '3923' and content_id > '58017' and site_id <= '2' order by content_id asc limit 1) [ RunTime:0.001423s ]
  11. SELECT * FROM `fqi_school_course` WHERE `school_id` = 3923 AND `site_id` = 2 AND `course_status` = 1 AND `school_status` = 1 AND `school_class_id` = 14761 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000363s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 3923 AND `site_id` = 2 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 10 [ RunTime:0.000247s ]
  13. SELECT COUNT(*) AS think_count FROM `fqi_school_course` WHERE `school_id` = 3923 AND `course_status` = 1 [ RunTime:0.000165s ]
  14. SHOW FULL COLUMNS FROM `fqi_school_teacher` [ RunTime:0.000706s ]
  15. SELECT COUNT(*) AS think_count FROM `fqi_school_teacher` WHERE `school_id` = '3923' [ RunTime:0.000194s ]
  16. SHOW FULL COLUMNS FROM `fqi_school_comments` [ RunTime:0.000628s ]
  17. SELECT COUNT(*) AS think_count FROM `fqi_school_comments` WHERE `school_id` = '3923' [ RunTime:0.000200s ]
  18. SELECT `content_id`,`course_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '2' AND `b`.`school_status` = '1' AND `course_status` = 1 AND `course_id` < '58017' ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.054992s ]
0.068758s