{"id":17870,"date":"2026-03-25T17:00:25","date_gmt":"2026-03-25T09:00:25","guid":{"rendered":"https:\/\/kbwp.transwarp.cn\/?p=17870"},"modified":"2026-03-25T17:00:25","modified_gmt":"2026-03-25T09:00:25","slug":"%e9%80%9a%e8%bf%87lua%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81%e4%bc%a0%e5%8f%82","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=17870","title":{"rendered":"\u901a\u8fc7Lua\u5b9e\u73b0\u52a8\u6001\u4f20\u53c2"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>\u518dmidgard\u7684sql\u6a21\u5f0f\u4f7f\u7528\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u6709\u5ba2\u6237\u5c06\u4e00\u4e2a\u5217\u4f5c\u4e3a\u7b5b\u9009\u6761\u4ef6\u5e0c\u671b\u8fbe\u5230\u6211\u5bf9\u8fd9\u4e2a\u5217\u8f93\u5165\u503c\u7684\u65f6\u5019\u5b9e\u73b0\u7b5b\u9009\u800c\u4e0d\u8f93\u5165\u503c\u5f97\u65f6\u5019\u5c31\u505a\u5168\u8868\u67e5\u8be2\u5f97\u9700\u6c42\uff0c\u800c\u6211\u4eec\u7684\u5165\u53c2\u65e0\u8bba\u9009\u62e9\u662f\u5426\u5fc5\u586b\u5b9e\u9645\u4e0a\u90fd\u662f\u9700\u8981\u586b\u5199\u5f97\uff0c\u8fd9\u79cd\u9700\u6c42\u53ea\u7528\u901a\u8fc7java\u6216\u8005lua\u6765\u5b9e\u73b0\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4ecb\u7ecd\u901a\u8fc7lua\u5165\u53c2\u6620\u5c04\u5f97\u65b9\u5f0f\u5b9e\u73b0\u8fd9\u4e2a\u9700\u6c42\u3002<\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<h4>\u539f\u59cb\u5165\u53c2<\/h4>\n<p>\u8fd9\u91cc\u5c06b\u5217\u8bbe\u5b9a\u4e3a\u5165\u53c2\u53c2\u6570$id\u6765\u4f5c\u4e3a\u7b5b\u9009\u6761\u4ef6<br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767853555487.png\" alt=\"file\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767853609766.png\" alt=\"file\" \/><\/p>\n<h4>\u5165\u53c2\u6620\u5c04<\/h4>\n<p>\u518d\u8fd9\u91cc\u914d\u7f6e\u4e0a\u5bf9\u5e94\u7684lua\u811a\u672c<br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767853924066.png\" alt=\"file\" \/><\/p>\n<pre><code class=\"language-lua\">local condition = \"\"\nif ${id} and ${id} ~= \"\" then\ncondition= \" and b LIKE '%\" .. ${id} .. \"%'\"\nend\nreturn condition<\/code><\/pre>\n<h4>\u9a8c\u8bc1sql<\/h4>\n<p>\u6d4b\u8bd5api\u83b7\u5f97\u7ed3\u679c\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854049738.png\" alt=\"file\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854060865.png\" alt=\"file\" \/><br \/>\ndba\u4e0a\u9762\u89c2\u5bdf\u5230\u7684sql\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854097915.png\" alt=\"file\" \/><\/p>\n<p>\u5f53\u4e0d\u8f93\u5165id\u7684\u65f6\u5019\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854226030.png\" alt=\"file\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854240771.png\" alt=\"file\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/kbwp.transwarp.cn\/wp-content\/uploads\/2026\/01\/image-1767854212387.png\" alt=\"file\" \/><\/p>\n<h3>\u5176\u4ed6\u4fe1\u606f<\/h3>\n<hr \/>\n<h4>\u591a\u79cd\u5199\u6cd5<\/h4>\n<p>\u8fd9\u91cc\u53ea\u662f\u63d0\u4f9b\u4e00\u79cdlua\u811a\u672c\u7684\u53c2\u8003\u7684\u5199\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u628a 1=1\u5199\u5230condition\u4e2d\u53d8\u6210<\/p>\n<pre><code class=\"language-lua\">local condition = \"1=1\"\nif ${id} ~= nil then\ncondition = condition .. \" AND id like '%\" .. ${id} .. \"%'\"\nend\nreturn condition<\/code><\/pre>\n<h4>\u8f93\u51fa\u65e5\u5fd7<\/h4>\n<p>\u5982\u679c\u4e0d\u6e05\u695a\u81ea\u5df1\u811a\u672c\u903b\u8f91\u54ea\u91cc\u6709\u95ee\u9898\u4e5f\u53ef\u4ee5\u8f93\u51fa\u65e5\u5fd7\uff0c\u4f1a\u8f93\u51fa\u518dapisix\u7684error.log\u65e5\u5fd7\u4e2d\uff1a<\/p>\n<pre><code class=\"language-lua\">if ${project_number} ~= nil then\ncondition = condition .. \" AND project_number like '%\" .. ${project_number} .. \"%'\"\nend\nif ${usercode} and ${usercode} ~= '' then\ncondition = condition .. \" and project_manager_labor_number = '\" .. ${usercode} .. \"' or control_manager_number = '\" .. ${usercode} .. \"' or purchase_manager_number = '\" .. ${usercode} .. \"'\"\nend\nlocal core = require(\"apisix.core\")\ncore.log.error(\" condition is \" .. condition .. \", project_number is \" .. project_number ..  \" , usercode is \" .. usercode)\nreturn condition<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 \u518dmidgard\u7684sql\u6a21\u5f0f\u4f7f\u7528\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u6709\u5ba2\u6237\u5c06\u4e00\u4e2a\u5217\u4f5c\u4e3a\u7b5b\u9009\u6761\u4ef6\u5e0c\u671b\u8fbe\u5230\u6211\u5bf9\u8fd9\u4e2a\u5217\u8f93\u5165\u503c\u7684\u65f6\u5019\u5b9e ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=17870\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":161,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17870","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/17870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/161"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17870"}],"version-history":[{"count":4,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/17870\/revisions"}],"predecessor-version":[{"id":18204,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/17870\/revisions\/18204"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}