• 采用精品小班教学模式,拥有自行编著实用的培训教材
  • 教学中使每个学生都可以得到老师的亲自辅导.
  • 利用赴企业实训的机会,实现学生与老师共同工作、共同生活

400-882-1633

家用中央空调维修培训全解析:从基础原理到实战检修的系统学习指南

家用中央空调维修培训全解析:从基础原理到实战检修的系统学习指南

授课机构: 杭州华力教育

上课地点: 校区地址

成交/评价:

联系电话: 400-882-1633

家用中央空调维修培训全解析:从基础原理到实战检修的系统学习指南课程详情

家用中央空调维修培训的核心价值与行业需求

随着家用中央空调在家庭场景中的普及,市场对专业维修人才的需求持续攀升。不同于传统分体式空调,家用中央空调系统更复杂、集成度更高,其维修不仅需要基础电路知识,更需掌握系统级故障诊断能力。正是在这样的背景下,针对家用中央空调维修的专业培训成为技术人才成长的关键路径——通过体系化学习,学员能快速掌握从基础原理到实战检修的全流程技能,成长为行业稀缺的高级维修人才。

小班教学+理实结合:打造高效学习模式

培训采用小班制教学,每班学员控制在10人以内。这种模式的优势在于,教师能更精准地关注每位学员的学习进度,及时解答操作中的疑问。教学方法上,严格遵循“三分理论七分实践”原则:理论课侧重关键知识点拆解,比如制冷循环的热力学原理、控制电路的逻辑设计;实践课则以真实设备为载体,从拆卸压缩机到排查传感器故障,让学员在动手过程中深化理解。

学习路径特别设计为阶梯式结构:初期通过基础模块建立系统认知,中期深入核心部件原理与操作,后期聚焦复杂故障诊断与维修。这种由浅入深的安排,避免了知识断层,确保学员每一步都能扎实掌握技能。

谁适合参与?招生对象与学习时间说明

培训主要面向两类人群:一类是已有电路基础但缺乏中央空调维修经验的技术爱好者,另一类是从事普通空调维修想转型中央空调领域的从业者。要求学员具备基础电路知识(如能识别电阻、电容参数)及空调维修经验(至少独立完成过3台分体式空调的拆装),这是确保学习效果的重要前提。

考虑到学员多为在职人员,课程时间安排为业余时段:可选择周末全天班(周六9:00-17:00)或周中晚班(周一至周五19:00-21:30),两种班次内容同步,学员可根据自身情况灵活选择。总课时70节,其中理论课25节,实践课45节,确保实操能力占比超过60%。

70课时学什么?全模块课程内容详解

模块一:基础理论与行业认知

本模块重点解决“是什么”与“为什么”的问题。首先系统讲解家用中央空调的分类(如多联机、水系统、风管机)、核心功能(恒温恒湿、智能控制)及市场现状(节能化、智能化趋势)。特别加入行业发展数据:据《2023中国暖通设备服务市场报告》显示,家用中央空调维修需求年增长率达18%,其中因系统集成故障导致的维修占比超40%,这直接说明了掌握系统级维修技能的重要性。

模块二:制冷系统核心部件解析

制冷系统是中央空调的“心脏”,本模块逐一拆解压缩机(涡旋式、转子式的区别)、冷凝器(翅片式与板式的散热效率对比)、节流机构(电子膨胀阀的精准控制原理)等核心部件。实践环节中,学员需使用专业工具测量压缩机绕组阻值、观察冷凝器结露情况,并记录不同工况下节流阀的开度变化,通过数据验证理论知识。

模块三:控制系统与电路维修

现代家用中央空调的智能化依赖于精密的控制系统,本模块重点学习电动机(步进电机与直流无刷电机的驱动差异)、传感器(温度、压力传感器的信号采集逻辑)及变频控制(PID算法在频率调节中的应用)。课程特别设置“控制电路排故”环节:学员需根据故障现象(如风机不转、温度显示异常),通过万用表检测电压、电阻,结合电路图定位故障点(可能是电容损坏、控制板芯片失效等)。

模块四:安装调试与节能设计

安装质量直接影响空调的使用寿命与能耗表现。本模块从选购要点(根据房屋面积选择匹数)讲起,到实际安装中的关键步骤:如冷媒管的焊接工艺(需充氮保护防止氧化)、排水管的坡度要求(不小于0.5%)、内外机通讯线的屏蔽处理(避免电磁干扰)。调试环节需完成抽真空(真空度需低于-0.1MPa)、冷媒加注(按铭牌标注量±5%误差)及运行参数记录(电流、压力、温度的正常范围)。此外,还会讲解节能设计技巧,比如合理设置温度传感器位置、优化风道布局以减少风阻。

模块五:常见故障诊断与实战维修

这是学员最关注的模块,涵盖制冷系统、控制系统的20+类常见故障。例如制冷系统故障:高压报警可能由冷凝器脏堵、冷媒过多或压缩机排气阀损坏引起,需通过压力检测、电流测量逐步排查;控制系统故障:显示E0代码可能是主板通讯故障,需检查线序是否正确、端子是否松动。课程特别引入新型空调(如带物联网功能的机型)的故障代码解析,通过实际案例(某品牌多联机显示P1过流故障的检修过程)演示从现象分析到故障排除的完整流程。

维修完成后,还需进行性能检测:使用热成像仪检查各部件温度分布,用功率计测量运行功耗,确保修复后的空调达到出厂标准。同时,讲解日常维护要点(如每3个月清洗过滤网、每年检查冷媒量),帮助学员向客户提供专业建议,提升服务口碑。

学完能达到什么水平?与职业发展

完成70课时学习后,学员可独立完成家用中央空调的安装调试、常见故障诊断及维修,掌握新型空调故障代码的检修方法。方向包括家电维修公司技术岗、中央空调品牌售后工程师、暖通设备安装公司技术主管等。据往届学员反馈,合格毕业生上岗后月薪普遍在8000-12000元(一线城市),具备3年以上经验者可晋升技术经理,薪资可达15000-20000元/月。

更重要的是,通过系统化学习,学员不仅掌握“修机器”的硬技能,还能培养“懂客户”的软技能——比如通过观察用户使用习惯(如长时间高负荷运行)预判潜在故障,提前给出维护建议,这种综合能力正是行业稀缺的核心竞争力。

杭州华力教育

杭州华力教育
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 : 2026-04-05 20:03:28 HTTP/1.1 GET : http://www.edujk.com/s/880/c/12438.html
  2. 运行时间 : 0.067418s [ 吞吐率:14.83req/s ] 内存消耗:396.17kb 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:0.000320s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000914s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '880' AND `site_id` = 4 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000263s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000633s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 880 [ RunTime:0.000223s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000616s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 880 [ RunTime:0.000248s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000677s ]
  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` = 880 AND `a`.`content_id` = '12438' AND `course_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000638s ]
  10. (select content_id,course_name from fqi_school_course where school_id = '880' and content_id < '12438' and site_id = '4' order by content_id desc limit 1) union all(select content_id,course_name from fqi_school_course where school_id = '880' and content_id > '12438' and site_id <= '4' order by content_id asc limit 1) [ RunTime:0.001100s ]
  11. SELECT * FROM `fqi_school_course` WHERE `school_id` = 880 AND `site_id` = 4 AND `course_status` = 1 AND `school_status` = 1 AND `school_class_id` = 3616 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000322s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 880 AND `site_id` = 4 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 10 [ RunTime:0.000248s ]
  13. SELECT COUNT(*) AS think_count FROM `fqi_school_course` WHERE `school_id` = 880 AND `course_status` = 1 [ RunTime:0.000195s ]
  14. SHOW FULL COLUMNS FROM `fqi_school_teacher` [ RunTime:0.000629s ]
  15. SELECT COUNT(*) AS think_count FROM `fqi_school_teacher` WHERE `school_id` = '880' [ RunTime:0.000228s ]
  16. SHOW FULL COLUMNS FROM `fqi_school_comments` [ RunTime:0.000575s ]
  17. SELECT COUNT(*) AS think_count FROM `fqi_school_comments` WHERE `school_id` = '880' [ RunTime:0.000219s ]
  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` = '4' AND `b`.`school_status` = '1' AND `course_status` = 1 AND `course_id` < '12438' ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.055823s ]
0.067726s