{"id":34,"date":"2014-06-05T11:09:10","date_gmt":"2014-06-05T03:09:10","guid":{"rendered":"http:\/\/www.tansoo.cn\/?p=34"},"modified":"2014-09-10T11:16:17","modified_gmt":"2014-09-10T03:16:17","slug":"%e5%b0%86gps%e7%bb%8f%e7%ba%ac%e5%ba%a6%e6%a0%bc%e5%bc%8f%e8%bd%ac%e6%8d%a2%e4%b8%ba%e7%99%be%e5%ba%a6%e7%bb%8f%e7%ba%ac%e5%ba%a6%e6%a0%bc%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/www.tansoo.cn\/?p=34","title":{"rendered":"\u5c06GPS\u7ecf\u7eac\u5ea6\u683c\u5f0f\u8f6c\u6362\u4e3a\u767e\u5ea6\u7ecf\u7eac\u5ea6\u683c\u5f0f"},"content":{"rendered":"<p>\u4e00\u822cGPS\u8bbe\u5907\u83b7\u53d6\u7684\u7ecf\u7eac\u5ea6\u5c5e\u4e8eWGS84\u5750\u6807\u7cfb\uff0c\u8fd9\u662f\u4e00\u4e2a\u6bd4\u8f83\u901a\u7528\u7684\u5750\u6807\u4f53\u7cfb\u3002\u7531\u4e8e\u56fd\u9632\u5b89\u5168\u7684\u539f\u56e0\u56fd\u5185\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528WGS84\u5750\u6807\uff0c\u56e0\u6b64\u767e\u5ea6\u5730\u56feAPI\u7684\u7ecf\u7eac\u5ea6\u662f\u7ecf\u8fc7\u52a0\u5bc6\u504f\u79fb\u7684\u3002\u5728\u5229\u7528\u767e\u5ea6\u8f66\u8054\u7f51API\u7f16\u5199\u7a0b\u5e8f\u65f6<!--more--><\/p>\n<pre class=\"lang:delphi decode:true \" >\/\/ \u5c06GPS\u7ecf\u7eac\u5ea6\u683c\u5f0f\u8f6c\u6362\u4e3a\u767e\u5ea6\u7ecf\u7eac\u5ea6\u683c\u5f0f\r\n\/\/ \u8f6c\u6362\u6210\u529f\u5219 Result.Valid := True;\u4f7f\u7528\u524d\u5148\u5224\u65ad\u8be5\u53d8\u91cf\r\nfunction TfrmMain.GpsToBaiduXY(coords: TCoordinate): TCoordinate;\r\nvar\r\n  Url, s: string;\r\n  node: IXMLNode;\r\n  XMLDoc: TXMLDocument;\r\n  IdHTTP: TIdHTTP;\r\nbegin\r\n  Url := 'http:\/\/api.map.baidu.com\/geoconv\/v1\/?coords=%16.12f,%15.12f&amp;from=1&amp;to=5&amp;output=xml&amp;ak=A4c132a2db250e33cd1e2af37076ac28';\r\n  XMLDoc := TXMLDocument.Create(Self);\r\n  IdHTTP := TIdHTTP.Create;\r\n  Result.Valid := False;\r\n\r\n  \/\/ \u8bf7\u5148\u5c06ddmm.mmmm\u683c\u5f0f\u8f6c\u6210dd.ddddd\r\n  try\r\n    Url := Format(Url, [coords.X { \u7ecf\u5ea6 } , coords.Y { \u7eac\u5ea6 } ]);\r\n    try\r\n      XMLDoc.XML.Text := IdHTTP.Get(Url);\r\n\r\n      XMLDoc.Active := True;\r\n      if Int(XMLDoc.DocumentElement.ChildValues['status']) = 0 then\r\n      begin\r\n        node := XMLDoc.DocumentElement.ChildNodes[1];\r\n        Result.X := node.ChildNodes.FindNode('point').ChildValues['x'];\r\n        Result.Y := node.ChildNodes.FindNode('point').ChildValues['y'];\r\n        Result.Valid := True;\r\n      end\r\n      else\r\n      begin\r\n        Result.X := -1;\r\n        Result.Y := -1;\r\n        Result.Valid := False;\r\n      end;\r\n    except\r\n      abort;\r\n    end;\r\n  finally\r\n    XMLDoc.Free;\r\n    IdHTTP.Free;\r\n  end;\r\nend;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u822cGPS\u8bbe\u5907\u83b7\u53d6\u7684\u7ecf\u7eac\u5ea6\u5c5e\u4e8eWGS84\u5750\u6807\u7cfb\uff0c\u8fd9\u662f\u4e00\u4e2a\u6bd4\u8f83\u901a\u7528\u7684\u5750\u6807\u4f53\u7cfb\u3002\u7531\u4e8e\u56fd\u9632\u5b89\u5168\u7684\u539f\u56e0\u56fd\u5185\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[12,5,9],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-program","tag-wgs84","tag-5","tag-api"],"_links":{"self":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=34"}],"version-history":[{"count":0,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}