{"id":2902,"date":"2015-10-08T10:26:13","date_gmt":"2015-10-08T02:26:13","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=2902"},"modified":"2015-10-08T10:26:13","modified_gmt":"2015-10-08T02:26:13","slug":"%e9%80%9a%e8%bf%87-arp-%e5%8d%8f%e8%ae%ae%e8%8e%b7%e5%8f%96%e5%b1%80%e5%9f%9f%e7%bd%91%e5%86%85%e6%8c%87%e5%ae%9a-ip-%e5%9c%b0%e5%9d%80%e7%9a%84%e6%9c%ba%e5%99%a8%e7%9a%84-mac-%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=2902","title":{"rendered":"\u901a\u8fc7 ARP \u534f\u8bae\u83b7\u53d6\u5c40\u57df\u7f51\u5185\u6307\u5b9a IP \u5730\u5740\u7684\u673a\u5668\u7684 MAC \u5730\u5740"},"content":{"rendered":"<pre class=\"lang:delphi decode:true \">function SendARP(ipaddr: ulong; temp: dword; ulmacaddr: pointer; ulmacaddrleng:\r\n    pointer): dword; stdcall; external 'Iphlpapi.dll' Name 'SendARP';\r\n\r\nfunction IP2Mac(ipaddr:ULong):String;\r\nvar\r\n  AMac: array [0 .. 5] of BYTE;\r\n  l: ulong;\r\n  r: integer;\r\nbegin\r\n  l:=6;  \r\n  r := SendARP(ipaddr, 0, @AMac, @l);\r\n  if r=0 then\r\n    Result:=Format('%2.2x-%2.2x-%2.2x-%2.2x-%2.2x-%2.2x', [AMac[0], AMac[1], AMac[2], AMac[3], AMac[4],AMac[5]])\r\n  else\r\n    Result:='';\r\nend;<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>function SendARP(ipa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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