QuickTest 几个交换值的方法

上一篇 / 下一篇  2010-09-26 16:16:58 / 个人分类:QTP

注:此文在SOHU一个BLOG里有一份,因为我把用户名忘了,所以那个BLOG就放弃了,并非抄袭。51Testing软件测试网PJdX,tfZIb
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自动化测试工具QTP做挺多,有些用到的方法拿出来一点点共享,也算自己沉淀一下。
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首先一个,测试中可能需要将某些数据存放到全局空间中,这个全局空间我也说不好,就是能让多个Action都取到的地方吧。我目前了解到的:51Testing软件测试网-@r`5R8}H.W
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1)可以存在Action内定义的变量中,作为参数传给下一个调用的Action。
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R oZ M3?g8]\0比如: Action1定义两个参数(右击Action,选择Action Properties,在Parameters选项卡中设置。)51Testing软件测试网!s*IQg4{Z4i
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调用时在RunAction最后部分把要传的变量写进去就行。51Testing软件测试网T L1t2ee7D
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在Action中用Parameter(“参数名”)就可以取出来了。
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2)存储在自定义对象或变量中,由QTP的Environment进行引用。51Testing软件测试网%q.o7L gby*ig

UI;eP!rB/BF4?7_3a5b0这里找个我以前参考AdvanceQtp中文档自己写的类及实现。
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Class OurExcel
2T%w1N8R}1Np0 Private bAleadyInit
*g B BN1k]0 '********************sub Class_Initialize begin**********************
'`/|'b o;D[%u7F.n0    Private Sub Class_Initialize51Testing软件测试网&Xu+J5B_-N"l^
  'check whether has a environment variable named Reference_counter.51Testing软件测试网5J/L5A+yA i
  'this variable is for storing the number of current reference to "One" object.51Testing软件测试网`eU `$q3a:H
  On Error Resume Next
fWQ*b'V"U,Z0   bAlreadyInit = IsObject(Environment("Reference_counter"))51Testing软件测试网.?mku?~/OX
   If Err.Number <> 0  Then Environment("Reference_counter")=0
qa]\G0  On Error Goto 0
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!Cl2E/n&|\)^2c0  'When "new" operation happen, add the counter.
u`1Q/~bS%H:B0  Environment("Reference_counter") = Environment("Reference_counter") + 1
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    'Using the feature of QTP, storing the "One" object into environment...51Testing软件测试网J3OGK7[0s
    'The environment name is "Excel_Object".
g^,?+V!}RK[0    'a. check whether the variable exist.
v Y|B2SK;r]^o0        On Error Resume Next51Testing软件测试网c'y@vy5Z!r(Hr]
   bAlreadyInit = IsObject(Environment("Excel_Object"))
{G(~{ z0   If Err.Number <> 0 Then bAlreadyInit = False 'Environment isn’t even initialized
?3H'Q"li6u2`8_!j0  On Error Goto 0
`O^3CL0  'b. check whether has it's contents.
"d5G;K%V5c{U1@+T0  If bAlreadyInit = True Then51Testing软件测试网9i |I)\-cwZ
   If Environment("Excel_Object") is Nothing Then bAlreadyInit = False
3D-}Km3sQt0  End If51Testing软件测试网^zo*aAN|r
  'c. If no object found, create.51Testing软件测试网2m9P2d6}$Xw
  If bAlreadyInit = False Then51Testing软件测试网?xse2H(?m'Wc
   'Msgbox "Constrction object."
qXQk?7s#R.g0   Environment("Excel_Object") = CreateObject("Excel.Application")
G-L+~sD{0  End If
k?*f bX.Hu%H`0 End Sub51Testing软件测试网 pHdA.VE@F&G
 '********************sub Class_Initialize End**********************
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MX-y%].W+DI0 '*******************sub Class_Terminate Begin********51Testing软件测试网ES.v8W8i&a5?6~y
    Private Sub Class_Terminate51Testing软件测试网2w7V3o$cLt
    'Msgbox "enter terminate"
}}.` vv6Ku0    Environment("Reference_counter") = Environment("Reference_counter")  - 151Testing软件测试网,rVj8`9x(D,fwG
    'If no more reference exist, close the excel and terminate the environment variable.
W,~&F-g2L1p9_0  If Environment("Reference_counter") = 0 Then
`,Op%^EC6c N0   msgbox "Closing excel process........."51Testing软件测试网5DhO4{ ~b8\
   Environment("Excel_Object").Quit51Testing软件测试网 z"cO(`?h
   Environment("Excel_Object") = Nothing
\|^f ]_ @Q0   Environment("Reference_counter") = Nothing
t@Tz9E,C#i6{6y"w-U0  End If51Testing软件测试网J5hK"i0nK(X%T
    End Sub
f"cx:K9sJj[E0 '*******************sub Class_Terminate End***********
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x0xm,v5M(ISS_0 'the function only for providing a demo....51Testing软件测试网e ?/un_&[8D`6Y$^
    Public Function GetSheetData(sFileName, SheetNumber, strRangeBegin, strRangeEnd)51Testing软件测试网E'z ~,W/X3b[+}y
  With Environment("Excel_Object")
!R-Z"`.Pn+f,Ug0   .Visible = False51Testing软件测试网'T!bJfp4cQ!d&{p,g
   Set bjWorkbook = .Workbooks.Open(sFileName) '"C:/temp/Branches.xls"
&^ Wv cg'n2x,q.HR0   Set bjWorkSheet = objWorkbook.WorkSheets(SheetNumber)51Testing软件测试网6j-K!W~4z_,}P
   Reporter.ReportEvent micDone, "Current range:"&strCurrentQueryRangeBegin, _51Testing软件测试网dd5n+}l f*Y-`*d
    objWorkSheet.Range(strRangeBegin&":"&strRangeEnd).value51Testing软件测试网f"C/E2]mq|p
   Set bjWorkbook = Nothing51Testing软件测试网1?)[4Kc$NH:_F
   Set bjWorkSheet = Nothing
#ue$rq?zi0  End with
"qGs/~#n&O0L*m$HO0    End Function51Testing软件测试网/[%OKj @'Z H Q3x"J
End Class51Testing软件测试网X$H,~f+xM8`7w8JR M0k

R0\re(r&V U}eb0Set oExcelInstace1 = New OurExcel
9BJtw!['f9|u#q0oExcelInstace1.GetSheetData "C:/temp/Branches.xls", 1, "A200", "A200"51Testing软件测试网(Y@ xt @
oExcelInstace1.GetSheetData "C:/temp/Branches.xls", 1, "A201", "A201"51Testing软件测试网&@3Ufe#nA
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Set oExcelInstace2 = New OurExcel
.O(Xn;RbC H0oExcelInstace2.GetSheetData "C:/temp/Branches.xls", 1, "A202", "A202"51Testing软件测试网SaaLd_/K m2k
oExcelInstace2.GetSheetData "C:/temp/Branches.xls", 1, "A203", "A203"
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`Jh%H/za0'with class's Class_Terminate method, you can call it using the following style....
9o/H V8?}`*mG4m0'Notice:This behave will call destructor of your class.............
)s v"S[5{u3X-z:Ks0'If has reference exist, then you will find one excel process in your machine.51Testing软件测试网e3n}"}k;S_
Set oExcelInstace1 = Nothing51Testing软件测试网0rWX qG(H
Set oExcelInstace2 = Nothing51Testing软件测试网'] T#YL:LS5o8~
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里面有两个Environment变量,一个Excel_Object,一个Reference_counter。我想尽力把这东西做的象COM,当然有很大很大差距。当初就是为了找个全局的地方放数据而已。
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:Q,?!mH4b d0 51Testing软件测试网U5M*w,^1qC P^Z(V

2fw!f`"g7x03)存储在QTP的GlobalTable中。
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A6SF y-Rf0涉及2个函数。一个是写入到GlobalTalbe,另一个是从其读入。
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Function setValue(strColName, strColValue)51Testing软件测试网;u$I$YO^ubsu
 On Error Resume Next51Testing软件测试网Tp2q$kA)E NA
 DataTable.Value(strColName, dtGlobalSheet) = strColValue
?xX~ OI0 If Err.Number <> 0 Then DataTable.GlobalSheet.AddParameter strColName, strColValue51Testing软件测试网:}0k*I!p"D+|OD o
 setValue = strColValue
:F'd}vg"@z0End Function
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Function getValue(strColName)
E9i#C0O;v8N Q4hk0 Dim outputTemp51Testing软件测试网mi7bUx
 On Error Resume Next
%b F;IBV2VhR(r0 outputTemp = DataTable.Value(strColName, dtGlobalSheet)
;| U1x!|6wQ o~sr0 If Err.Number <> 0 Then51Testing软件测试网0SlB1A mo+B4?%gf
  getValueFromGS = ""51Testing软件测试网V? l lv*@1\
  Exit Function
;}o I:} e+_^;d0 Else51Testing软件测试网)lhv-|`$Z:v%`9X
  getValue = outputTemp51Testing软件测试网.h h5{$qu
 End If51Testing软件测试网 Ry9X5DV&K
End Function51Testing软件测试网hrR+f5bKZ

5NP.[!O]L2uH0一般这个方法的实现,可能还要遍历列名来判断是否存在,这样如果变量很多肯定效率低。QTP对于DataTable取数的实现肯定也进行了遍历或Find这样的方法,所以任务尽量让QTP来解决比较好,比如随机数干脆就直接用RandomNumber对象而取代vbscript的Randomize加Rnd。51Testing软件测试网lKZ,PX_7U
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而On Error在这里很好用,不能把它只想用于容错恢复,这里算巧用吧,好像还是容错。

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