{"id":109337,"date":"2026-09-23T23:25:20","date_gmt":"2026-09-23T15:25:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109337.html"},"modified":"2026-09-23T23:25:20","modified_gmt":"2026-09-23T15:25:20","slug":"%e8%ae%a1%e7%ae%97%e6%9c%ba%e6%af%95%e4%b8%9a%e8%ae%be%e8%ae%a1%e9%80%89%e9%a2%98%e6%8e%a8%e8%8d%90%e5%9f%ba%e4%ba%8e%e5%a4%a7%e6%95%b0%e6%8d%ae%e7%9a%84%e4%be%9b%e5%ba%94%e9%93%be%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109337.html","title":{"rendered":"\u8ba1\u7b97\u673a\u6bd5\u4e1a\u8bbe\u8ba1\u9009\u9898\u63a8\u8350:\u57fa\u4e8e\u5927\u6570\u636e\u7684\u4f9b\u5e94\u94fe\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316|\u6bd5\u4e1a\u8bbe\u8ba1\u9009\u9898|\u8ba1\u7b97\u673a\u6bd5\u8bbe|\u9009\u9898\u63a8\u8350|\u6bd5\u8bbe\u6307\u5bfc|\u9879\u76ee\u5b9a\u5236|\u6e90\u7801|\u9ad8\u8d28\u91cf\u9879\u76ee"},"content":{"rendered":"<p>\u2728\u4f5c\u8005\u4e3b\u9875&#xff1a;IT\u6bd5\u8bbe\u68a6\u5de5\u5382\u2728 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\u5f00\u53d1\u8bed\u8a00&#xff1a;Python&#043;Java&#xff08;\u4e24\u4e2a\u7248\u672c\u90fd\u652f\u6301&#xff09; \u540e\u7aef\u6846\u67b6&#xff1a;Django&#043;Spring Boot(Spring&#043;SpringMVC&#043;Mybatis)&#xff08;\u4e24\u4e2a\u7248\u672c\u90fd\u652f\u6301&#xff09; \u524d\u7aef&#xff1a;Vue&#043;ElementUI&#043;Echarts&#043;HTML&#043;CSS&#043;JavaScript&#043;jQuery \u8be6\u7ec6\u6280\u672f\u70b9&#xff1a;Hadoop\u3001HDFS\u3001Spark\u3001Spark SQL\u3001Pandas\u3001NumPy \u6570\u636e\u5e93&#xff1a;MySQL<\/p>\n<h2>\u4e09\u3001\u7cfb\u7edf\u754c\u9762\u5c55\u793a<\/h2>\n<ul>\n<li>\u57fa\u4e8e\u5927\u6570\u636e\u7684\u4f9b\u5e94\u94fe\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316\u7cfb\u7edf\u754c\u9762\u5c55\u793a&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152511-6ab3ef573951e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152512-6ab3ef587befd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152513-6ab3ef5923529.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152513-6ab3ef59d74b0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152514-6ab3ef5a9912d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152515-6ab3ef5b41e67.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152516-6ab3ef5c149b3.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152517-6ab3ef5d6bdce.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152518-6ab3ef5e10409.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152518-6ab3ef5ea39f7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h2>\u56db\u3001\u90e8\u5206\u4ee3\u7801\u8bbe\u8ba1<\/h2>\n<ul>\n<li>\u9879\u76ee\u5b9e\u6218-\u4ee3\u7801\u53c2\u8003&#xff1a;<\/li>\n<\/ul>\n<p><span class=\"token keyword\">from<\/span> pyspark<span class=\"token punctuation\">.<\/span>sql <span class=\"token keyword\">import<\/span> SparkSession<br \/>\n<span class=\"token keyword\">from<\/span> pyspark<span class=\"token punctuation\">.<\/span>sql<span class=\"token punctuation\">.<\/span>functions <span class=\"token keyword\">import<\/span> col<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">,<\/span> avg<span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">,<\/span> when<span class=\"token punctuation\">,<\/span> desc<br \/>\nspark <span class=\"token operator\">&#061;<\/span> SparkSession<span class=\"token punctuation\">.<\/span>builder<span class=\"token punctuation\">.<\/span>appName<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SupplyChainAnalysis&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>enableHiveSupport<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>getOrCreate<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">inventory_operation_analysis<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    df <span class=\"token operator\">&#061;<\/span> spark<span class=\"token punctuation\">.<\/span>read<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;csv&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>option<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;header&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>load<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;hdfs:\/\/\/supplychain\/inventory.csv&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    df_clean <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">.<\/span>dropna<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">filter<\/span><span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;stock_qty&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> df_clean<span class=\"token punctuation\">.<\/span>groupBy<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;warehouse_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>agg<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;stock_qty&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;total_stock&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> avg<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;turnover_rate&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_turnover&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sku_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sku_count&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span>withColumn<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;stock_status&#034;<\/span><span class=\"token punctuation\">,<\/span> when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_turnover&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0.3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6ede\u9500&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_turnover&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u7545\u9500&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>otherwise<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6b63\u5e38&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span>orderBy<span class=\"token punctuation\">(<\/span>desc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;total_stock&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>limit<span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>toPandas<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>to_dict<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;records&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> JsonResponse<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;code&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">:<\/span> data<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">logistics_cost_analysis<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    df <span class=\"token operator\">&#061;<\/span> spark<span class=\"token punctuation\">.<\/span>read<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;csv&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>option<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;header&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>load<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;hdfs:\/\/\/supplychain\/logistics.csv&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    df_clean <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">.<\/span>dropna<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">filter<\/span><span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cost&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> df_clean<span class=\"token punctuation\">.<\/span>groupBy<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;route_id&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;carrier_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>agg<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;total_cost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> avg<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_cost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order_count&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span>withColumn<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cost_level&#034;<\/span><span class=\"token punctuation\">,<\/span> when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_cost&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u9ad8\u6210\u672c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_cost&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u4f4e\u6210\u672c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>otherwise<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e2d\u7b49\u6210\u672c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span>orderBy<span class=\"token punctuation\">(<\/span>desc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;total_cost&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>limit<span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>toPandas<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>to_dict<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;records&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> JsonResponse<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;code&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">:<\/span> data<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">risk_delay_analysis<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    df <span class=\"token operator\">&#061;<\/span> spark<span class=\"token punctuation\">.<\/span>read<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;csv&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>option<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;header&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>load<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;hdfs:\/\/\/supplychain\/delivery.csv&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    df_clean <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">.<\/span>dropna<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">filter<\/span><span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delay_days&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> df_clean<span class=\"token punctuation\">.<\/span>groupBy<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;supplier_id&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;order_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>agg<span class=\"token punctuation\">(<\/span>avg<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delay_days&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_delay&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delay_days&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;total_delay&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order_id&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>alias<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delay_count&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">.<\/span>withColumn<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;risk_level&#034;<\/span><span class=\"token punctuation\">,<\/span> when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_delay&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u9ad8\u98ce\u9669&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>when<span class=\"token punctuation\">(<\/span>col<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;avg_delay&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> 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punctuation\">)<\/span><\/p>\n<h2>\u4e94\u3001\u8bba\u6587\u53c2\u8003<\/h2>\n<ul>\n<li>\u8ba1\u7b97\u673a\u6bd5\u4e1a\u8bbe\u8ba1\u9009\u9898\u63a8\u8350-\u57fa\u4e8e\u5927\u6570\u636e\u7684\u4f9b\u5e94\u94fe\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316\u7cfb\u7edf-\u8bba\u6587\u53c2\u8003&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260923152519-6ab3ef5f4eb25.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h2>\u516d\u3001\u7cfb\u7edf\u89c6\u9891<\/h2>\n<ul>\n<li>\u57fa\u4e8e\u5927\u6570\u636e\u7684\u4f9b\u5e94\u94fe\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316\u7cfb\u7edf-\u9879\u76ee\u89c6\u9891&#xff1a; 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