*!* vfp9.0通过WebBrowser控件获取QQ新闻标题及链接
*!* -------------------------------------------
*!* 作者：十豆三
*!* 日期：2011-09-17
*!* vfp版本：vfp9.0
*!* 控件名称： Microsoft Web Browser(Microsoft Internet Controls)
*!* 控件版本：1.1
*!* ProgID：Shell.Explorer.2
*!* 文件位置： C:\WINDOWS\system32\ieframe.dll
*!* 文件版本：8.00.6001.19098 (IE8.0)
Public oform1
oform1=Newobject("form1")
oform1.Show
Return
Define Class form1As Form
Top = 11
Left = 26
Height = 600
Width = 800
DoCreate = .T.
Caption = "Form1"
Name = "Form1"
Add Object olecontrol1As OleControl With;
Top = 0, ;
Left = 0, ;
Height = 468, ;
Width = 800, ;
Name = "Olecontrol1", ;
OleClass = "Shell.Explorer.2", ;
OleLCID = 1033
Add Object command1As CommandButton With;
Top = 521, ;
Left = 677, ;
Height = 25, ;
Width = 121, ;
Caption = "取得新闻标题和URL", ;
Name = "Command1"
Add Object grid1As Grid With;
DeleteMark = .F., ;
Height = 129, ;
Left = 2, ;
ReadOnly = .T., ;
Top = 470, ;
Visible = .F., ;
Width = 673, ;
Name = "Grid1"
Procedure Load
_vfp.AutoYield=.F.
Endproc
Procedure Unload
_vfp.AutoYield=.T.
Endproc
Procedure olecontrol1.Init
This.Navigate("http://roll.news.qq.com/")
Endproc
Procedure command1.Click
lcMyCaption=This.Caption
This.Caption='正在获取......'
This.Enabled=.F.
Create Cursor T1 (类别 C(6),新闻标题 C(254),新闻链接 C(254),时间 C(11))
Thisform.Olecontrol1.Document.getElementById("auto_refresh").parentNode.className='check checked'
Thisform.Olecontrol1.Document.parentWindow.Execscript('AutoRefresh()')&& 取消自动刷新
lnTotalPages=Val(Thisform.Olecontrol1.Document.getElementById("totalPage").Value)&& 取得部页数
If Messagebox('共有'+Transform(lnTotalPages)+'页新闻，点<是>取得所有页的新闻，点击<否>只取当第1页的新闻。',4+32+256,'信息提示')=7
lnTotalPages=1
Endif
For m.lnJ=1 TolnTotalPages&& 循环所有页，每页50条新闻，如果只需TOP N条，修改此处。
If m.lnJ>1
Thisform.Olecontrol1.Document.parentWindow.Execscript('nextPage()')&& 下一页
Endif
Do While .T.
If Thisform.Olecontrol1.Document.getElementById("artContainer").innerhtml<>'<DIV class=loading>正在查询请稍候……</DIV>'
Exit
Endif
Inkey(0.2,"H") &&防止程序失去响应
Enddo
lcListStr=Thisform.Olecontrol1.Document.getElementById("artContainer").innerhtml&& 取得当前页新闻内容
lnLIs=Occurs('<LI>',lcListStr)
For m.lnI=1TolnLIs
Insert Into T1 Values(Strextract(lcListStr,'t-tit>','</SPAN><A',m.lnI),Strextract(lcListStr,'"undefined">','</A>',m.lnI),;
Strextract(lcListStr,'href="','" target',m.lnI),Strextract(lcListStr,'t-time>','</SPAN><SPAN',m.lnI))
Endfor
Endfor
Locate
Thisform.Grid1.RecordSource='T1'
Thisform.Grid1.Visible=.T.
Thisform.Grid1.AutoFit()
Thisform.Grid1.Refresh
This.Caption=lcMyCaption
This.Enabled=.T.
Messagebox('取得新闻信息完成！'+Chr(10)+Chr(10)+'共取得'+Transform(Reccount('T1'))+'条新闻',64,'信息提示')
Endproc
Procedure Grid1.Scrolled
Lparameters nDirection
This.AutoFit()
Endproc
Enddefine