{"id":355,"date":"2009-04-29T15:07:00","date_gmt":"2009-04-29T07:07:00","guid":{"rendered":""},"modified":"2013-11-17T19:46:32","modified_gmt":"2013-11-17T11:46:32","slug":"webbrowser%e5%b8%b8%e8%a7%81%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/355.html","title":{"rendered":"WebBrowser\u5e38\u89c1\u7528\u6cd5"},"content":{"rendered":"<p>1.\u83b7\u5f97\u7f51\u9875\u4e2d\u53d8\u91cf\u503c<br \/>\nhtm\u4e2d<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n&lt;script&gt; var currID=123&lt;\/script&gt;\r\n<\/pre>\n<p>\u7a0b\u5e8f\u4e2d\u53ef\u4ee5\u8fd9\u4e48\u8c03\u7528<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nid := Form1.WebBrowser1.OleObject.Document.script.currID\r\n<\/pre>\n<p>\u503c\u5f97\u8bf4\u660e\u7684\u662f,\u53d8\u91cf\u53ef\u4ee5\u662fjavascript\u5b9a\u4e49\u7684,\u4e5f\u53ef\u4ee5\u662fvbscript\u5b9a\u4e49\u7684,\u5982\u679cWebbrowser1\u4e2d\u627e\u4e0d\u5230\u8be5\u53d8\u91cf,\u8c03\u7528\u4f1a\u89e6\u53d1\u4e00\u4e2a\u5f02\u5e38\u4e8b\u4ef6,\u5373\u53d8\u91cfcurrID\u4e0d\u5b58\u5728<\/p>\n<p>2.\u6267\u884c\u7f51\u9875\u4e2d\u7684\u51fd\u6570<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\ntmp := 'currID = getNextID(currID)'+#13#10;\r\nForm1.WebBrowser1.OleObject.Document.parentWindow.execScript(tmp,'JavaScript');\r\n<\/pre>\n<p>\u8c03\u7528\u51fd\u6570\u7684\u65b9\u6cd5\u5c31\u662fexecScript\u63a5\u53e3,\u540c\u6837,\u5982\u679c\u51fd\u6570\u4e0d\u5b58\u5728,\u6216\u8005\u8fd0\u884c\u9519\u8bef\u4e5f\u4f1a\u89e6\u53d1\u811a\u672c\u9519\u8bef\u5f02\u5e38<\/p>\n<p>3.\u8bbe\u7f6e\u7f51\u9875\u80cc\u666f<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n\u80cc\u666f\u56fe\u7247 WebBrowser1.OleObject.Document.body.background     := 'http:\/\/seelearn.com\/bg.gif'\r\n\u80cc\u666f\u989c\u8272 WebBrowser1.OleObject.Document.body.bgcolor     := '#eeeeee'\r\n<\/pre>\n<p>4.\u8c03\u7528\u7f51\u9875\u4e2d\u5df2\u77e5\u5bf9\u8c61<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nsrc := WebBrowser1.OleObject.Document.getElementByID('img1').src\r\n<\/pre>\n<p>\u8be5\u65b9\u6cd5\u5176\u5b9e\u5c31\u662fjavascript\u4e2d\u7684 getElementByID<\/p>\n<p>5.\u83b7\u53d6\u9875\u9762\u4e2d\u6240\u6709\u7684frame<br \/>\n\u4f7f\u7528DHTML\u3002<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nframes:=wb.OleObject.document.frames;\r\nfor i:=0 to frames.length do\r\nmemo1.lines.Add(frames&#x5B;i].document.body.innerHTML);\r\n<\/pre>\n<p>6.BorderStyle=bsNone\u540eWebbrowser\u4f1a\u88ab\u91cd\u65b0\u521d\u59cb\u5316<br \/>\n\u8fd9\u662f\u4e00\u4e2a\u8ba9\u4eba\u5f88\u610f\u5916\u7684\u4e00\u4e2a\u95ee\u9898,Delphi\u5728\u7a97\u53e3\u63a7\u4ef6\u7684\u63a7\u5236\u65b9\u9762\u505a\u5f97\u975e\u5e38\u597d,\u5f88\u5c11\u51fa\u73b0\u8fd9\u79cdBUG<br \/>\n\u6839\u636e\u5206\u6790,\u51fa\u73b0\u8fd9\u4e2a\u73b0\u8c61\u6709\u5f88\u591a\u60c5\u51b5 \u6539\u53d8FormStyle\u4e5f\u4f1a\u51fa\u73b0 ; \u5982\u679c webbrowser.parent \u7531panel1 \u6539\u5230panel2.\u4e5f\u4f1a\u5bfc\u81f4webbrowser\u91cd\u65b0<br \/>\n\u521d\u59cb\u5316\u3002<\/p>\n<p>7.\u76f4\u63a5\u5411Webbrowser\u4e2d\u5199\u5165html\u4ee3\u7801,\u4e0d\u9700\u8981Navigate\u5230\u5b9e\u9645\u5b58\u5728\u7684\u6587\u4ef6<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nvar\r\nStrStream:TStringStream;\r\nSetNoteStr: string;\r\nbegin\r\nSetNoteStr :='&lt;body bgcolor=222222 align=center&gt;&lt;br&gt;&lt;p align=center&gt;&lt;font size=+2 color=#FFFFFF&gt;\u70b9\u70b9\u535a\u5ba2 http:\/\/seelearn.com&lt;\/font&gt;&lt;\/p&gt;';\r\nSetNoteStr :=SetNoteStr+'&lt;br&gt;&lt;p align=center&gt;&lt;font size=+2 color=#FFFFFF&gt;\u70b9\u51fb\u5de6\u8fb9\u6309\u94ae\u53ef\u67e5\u770b\u5bf9\u5e94\u56fe\u7247&lt;\/font&gt;&lt;\/p&gt;';\r\nStrStream:=TStringStream.Create(SetNoteStr);\r\nWebBrowser1.Navigate('about:blank');\r\ntry\r\nStrStream.Position:=0;\r\n( WebBrowser1.Document as IPersistStreamInit).Load(TStreamadapter.Create(StrStream));\r\nfinally\r\nStrStream.Free;\r\nend;\r\nend;\r\n<\/pre>\n<p>8.\u524d\u8fdb,\u540e\u9000,\u5237\u65b0<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nself.WebBrowser1.GoBack\r\nself.WebBrowser1.GoForward\r\nself.WebBrowser1.Refresh\r\n<\/pre>\n<p>9.\u6355\u6349NewWindow2\u4e8b\u4ef6,\u5373\u65b0\u5f00\u7a97\u53e3\u4e8b\u4ef6<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.WebBrowser1NewWindow2(Sender: TObject;\r\nvar ppDisp: IDispatch; var Cancel: WordBool);\r\nvar\r\nNewWindow: TForm2;\r\nbegin\r\n\/\/exit;\r\nNewWindow:= TForm2.Create(nil);\r\nNewWindow.Show;\r\nppDisp:= NewWindow.Webbrowser1.DefaultDispatch;\r\nend;\r\n<\/pre>\n<p>\u503c\u5f97\u4e00\u9898\u7684\u662f\u8be5\u65b9\u6cd5\u4e0d\u80fd\u83b7\u5f97\u65b0\u5f00\u7a97\u53e3\u7684URL,\u9000\u4e00\u6b65\u7684\u65b9\u6cd5\u53ea\u80fd\u662f\u7b49\u5230\u5728\u65b0\u7684Webbrowser\u4e2d\u89e6\u53d1BeforeNavigate2\u4e8b\u4ef6\u5224\u65ad\u4e86<\/p>\n<p>10.\u7f51\u9875\u4e2d\u5b58\u5728iframe\u65f6\u5224\u65ad\u9875\u9762\u662f\u5426\u4e0b\u8f7d\u7ed3\u675f<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.WebBrowser1DocumentComplete(Sender: TObject;\r\nconst pDisp: IDispatch; var URL: OleVariant);\r\nbegin\r\nif WebBrowser1.Application = pDisp then showmessage('\u9875\u9762\u5df2\u5168\u90e8\u4e0b\u8f7d\u5b8c\u6bd5')\r\nend;\r\n<\/pre>\n<p>\u8bf4\u660e\u4e00\u4e0b,\u6bcf\u4e2aiframe\u4e0b\u8f7d\u5b8c\u6bd5\u90fd\u4f1a\u89e6\u53d1DocumentComplete\u4e8b\u4ef6,\u6240\u4ee5\u4e00\u4e2a\u9875\u9762\u5728\u771f\u6b63\u4e0b\u8f7d\u5b8c\u6bd5\u524d\u53ef\u80fd\u88ab\u89e6\u53d1\u591a\u6b21<\/p>\n<p>\u521d\u59cb\u5316\u548c\u7ec8\u6b62\u5316\uff08Initialization &amp; Finalization\uff09<\/p>\n<p>\u5927\u5bb6\u5728\u6267\u884cTWebBrowser\u7684\u67d0\u4e2a\u65b9\u6cd5\u4ee5\u8fdb\u884c\u671f\u671b\u7684\u64cd\u4f5c\uff0c\u5982ExecWB\u7b49\u7684\u65f6\u5019\u53ef\u80fd\u90fd\u78b0\u5230\u8fc7\u201c\u8bd5\u56fe\u6fc0\u6d3b\u672a\u6ce8\u518c\u7684\u4e22\u5931\u76ee\u6807\u201d\u6216\u201cOLE\u5bf9\u8c61\u672a\u6ce8\u518c\u201d\u7b49\u9519\u8bef\uff0c\u6216\u8005\u5e76\u6ca1\u6709\u51fa\u9519\u4f46\u662f\u5f97\u4e0d\u5230\u5e0c\u671b\u7684\u7ed3\u679c\uff0c\u6bd4\u5982\u4e0d\u80fd\u5c06\u9009\u4e2d\u7684\u7f51\u9875\u5185\u5bb9\u590d\u5236\u5230\u526a\u8d34\u677f\u7b49\u3002\u4ee5\u524d\u7528\u5b83\u7f16\u7a0b\u7684\u65f6\u5019\uff0c\u6211\u53d1\u73b0ExecWB\u6709\u65f6\u4faf\u8d77\u4f5c\u7528\u4f46\u6709\u65f6\u4faf\u53c8\u4e0d\u884c\uff0c\u5728Delphi\u751f\u6210\u7684\u7f3a\u7701\u5de5\u7a0b\u4e3b\u7a97\u53e3\u4e0a\u52a0\u5165TWebBrowser\uff0c\u8fd0\u884c\u65f6\u5e76\u4e0d\u4f1a\u51fa\u73b0\u201cOLE\u5bf9\u8c61\u672a\u6ce8\u518c\u201d\u7684\u9519\u8bef\u3002\u540c\u6837\u662f\u4e00\u4e2a\u5076\u7136\u7684\u673a\u4f1a\uff0c\u6211\u624d\u77e5\u9053OLE\u5bf9\u8c61\u9700\u8981\u521d\u59cb\u5316\u548c\u7ec8\u6b62\u5316\uff08\u61c2\u5f97\u7684\u4e1c\u4e1c\u5b9e\u5728\u592a\u5c11\u4e86\uff09\u3002<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nInitialization\r\nOleInitialize(nil);\r\n\r\nfinalization\r\ntry\r\nOleUninitialize;\r\nexcept\r\n\r\nend;\r\n<\/pre>\n<p>\u53bb\u6389\u6eda\u52a8\u6761\u7684\u65b9\u6cd5\uff1a\u6838\u5fc3\u4ee3\u7801\uff1aWebBrowser1.oleobject.Document.body.Scroll:= \u2018no\u2019; \u5229\u7528\u8fd9\u4e2a\u4ee3\u7801\u53bb\u6389\u6eda\u52a8\u6761\u7684\u524d\u63d0\u662fwebbrowser\u4e2d\u5fc5\u987b\u6709\u6253\u5f00\u7684\u7f51\u9875\uff0c\u4e5f\u5c31\u662f\u5728\u7f51\u9875\u52a0\u8f7d\u5b8c\u5b8c\u6bd5\u540e\u518d\u53bb\u6389\u6eda\u52a8\u6761\u3002\u6240\u4ee5\u9996\u5148\u8981\u5224\u65ad\u9875\u9762\u662f\u5426\u52a0\u8f7d\u5b8c\u6bd5\uff0c\u5982\u679c\u52a0\u8f7d\u5b8c\u6bd5\uff0c\u5c31\u6267\u884c\u4e0a\u9762\u7684\u8bed\u53e5\u53bb\u6389\u6eda\u52a8\u6761\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65\uff1a\u5728WebBrowser1DocumentComplete\u4e8b\u4ef6\u4e2d\u7f6e\u4e00\u4e2a\u6807\u5fd7tag:=1(\u4ee3\u8868\u52a0\u8f7d\u5b8c\u6bd5) \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.WebBrowser1DocumentComplete(Sender: TObject;\r\nconst\r\npDisp: IDispatch;\r\nvar\r\nURL: OleVariant);\r\nbegin\r\ntag:=1; \/\/\u53bb\u6389Webbrowser1\u6eda\u52a8\u6761\u7684\u6807\u5fd7\r\nend;\r\n<\/pre>\n<p>\u7b2c\u4e8c\u6b65\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.SpeedButton1Click(Sender: TObject);\r\nvar\r\nDoc: IHTMLDocument2;\r\nbegin\r\ntag := 0; \/\/\u53bb\u6389Webbrowser1\u6eda\u52a8\u6761\u7684\u6807\u5fd7\r\nWebBrowser1.Navigate2(\u2019http:\/\/www.163.com\u2019);\r\nwhile (tag=0) do\r\nApplication.ProcessMessages;\r\nWebBrowser1.oleobject.Document.body.Scroll := \u2018no\u2019;\r\nend;\r\n<\/pre>\n<p>\u6ce8\u610f\uff1a\u4f7f\u7528\u524d\u5fc5\u987b\u5728uses\u4e2d\u52a0\u5165mshtml;<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n\/\/\u53bb\u6389\u6eda\u52a8\u6761\u540e\u5982\u4f55\u7ffb\u9875\u5462?\u7528\u5982\u4e0b\u4ee3\u7801\r\n\r\nvar\r\nDoc: IHTMLDocument2;\r\nbegin\r\nDoc :=WebBrowser1.Document as IHTMLDocument2;\r\nDoc.Get_ParentWindow.Scroll(x,y);\r\nend;                           ^^^\u4f60\u8981\u6eda\u52a8\u7684\u4f4d\u7f6e\r\nwebbrowser\u4e0d\u5f39\u51fa\u9519\u8bef\u63d0\u793a\u6846\r\n<\/pre>\n<p>\u8bbe\u7f6e\u4e00\u4e0b\u8fd9\u4e2a\u5c5e\u6027\uff1awebbrowser1.silent :=true<br \/>\n\u8ba9Webbrowser\u4e2d\u7684\u94fe\u63a5\u70b9\u51fb\u65f6\u5728\u81ea\u8eab\u7a97\u53e3\u6253\u5f00<br \/>\n\u5728WebBrowser\u7684NewWindow2\u4e8b\u4ef6\u4e2d\u8bbe\u7f6e\u4ee3\u7801\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.WebBrowserNewWindow2(Sender: TObject; var ppDisp: IDispatch;\r\nvar Cancel: WordBool);\r\nbegin     \/\/ \u5c07\u65b0\u8996\u7a97\u5728\u81ea\u8eab\u958b\u555f\r\nppdisp := webBrowser.Application;\r\nend;\r\n<\/pre>\n<p>\u5c4f\u853dWebBrower\u7684\u53f3\u952e\u83dc\u5355<\/p>\n<p>\u653e\u4e00\u4e2aApplicationEvents\u63a7\u4ef6\uff0c\u5728ApplicationEvents\u7684\u4e8b\u4ef6OnMessage\u4e2d\u8bbe\u7f6e\u5982\u4e0b\u4ee3\u7801\uff1a (ApplicationEvents\u63a7\u4ef6\u5728delphi\u4e2d\u7684additional\u9009\u9879\u5361\u4e0a\u627e)<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.ApplicationEvents1Message(var Msg: tagMSG;   var Handled: Boolean);\r\nbegin      \/\/\u5c4f\u655d\u7f51\u9875\u53f3\u952e\r\nif Msg.message = WM_RBUTTONDOWN then\r\nbegin\r\n\/\/\u5982\u679c\u53bb\u6389\u4e0b\u9762\u8fd9\u884c\u5c31\u662f\u5c4f\u853d\u53f3\u952e\u83dc\u5355\uff0c\u73b0\u5728\u4e3a\u81ea\u5b9a\u4e49\u53f3\u952e\u83dc\u5355 \/\/\r\npopupmenu1.Popup(Mouse.CursorPos.X, Mouse.CursorPos.Y);\r\nHandled := True;\r\nend;\r\nend;\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1.\u83b7\u5f97\u7f51\u9875\u4e2d\u53d8\u91cf\u503c htm\u4e2d &lt;script&gt; var currID=123&lt;\/scrip [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-355","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=355"}],"version-history":[{"count":2,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/355\/revisions"}],"predecessor-version":[{"id":4778,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/355\/revisions\/4778"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}