Loadrunner 如何访问数据库

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在Loadrunner中也提供了C对数据库操作的相关功能函数，以下这些数据库功能函数只能用于Web Services协议。51Testing软件测试网A1A,gwD7c[D

lr_db_connect

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连接数据库51Testing软件测试网S}"A2NFD

lr_db_disconnect51Testing软件测试网e!M9@fB-Q:fP

断开数据库的连接

7hF"c2S5h:zrNH72047

lr_db_executeSQLStatement

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执行SQL语句51Testing软件测试网'X#j#b1]%V`;q

lr_db_dataset_action51Testing软件测试网0V7s{&so

对数据库执行操作

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lr_db_getValue51Testing软件测试网NI.G2e-VfTI

从数据集中检索值

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各函数语法如下：51Testing软件测试网^BW*J{

lr_db_connect("StepName", "ConnectionString=<connection_string>", "ConnectionName=<connection_name>", "ConnectionType=<connection_type>", LAST);51Testing软件测试网'LTI:f#@/jE

lr_db_disconnect("StepName=<step_name>", "ConnectionName=<connection_name>", LAST);51Testing软件测试网X@1`V[.e'p(Nw

lr_db_executeSQLStatement("StepName=<step_name>", "ConnectionName=<connection_name>", "SQLStatement=<statement>", ["DatasetName=<dataset_name>",] LAST);51Testing软件测试网D-r ~t bL:Y*VQvY

lr_db_dataset_action("StepName=<step_name>", "DatasetName=<dataset_name>", "Action=<action>", LAST);51Testing软件测试网J;T4W,y#\Yv/W!fIZ

lr_db_getValue("StepName=<step_name>", "DatasetName=<dataset_name>", "Column=<column>", "Row=<row>", "OutParam=<output_parm>", LAST);

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下面以oracle数据库为例：

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Action()
})_:x8P,b0Ta$HG72047{
S	wij
A^72047intNumRows=0;
3VH5Z(ut$AK72047inti=1;51Testing软件测试网2To2CE(o6{\:b2S

)K
B p+x\DB0I!z72047//建立数据库连接
Vb6^`"\'w8w)gS!@72047lr_db_connect("StepName=DatabaseConnection",
-M)zV"@J.a(}
FH72047"ConnectionString=Provider=OraOLEDB.Oracle.1;Password =test;Persist Security Info=True; User ID  = test ; Data Source = betadb ; Server = 172.19.188.191",
/WZ~_8Y}'N	Z72047"ConnectionName=InvDatabaseConnection",51Testing软件测试网-cX1H-L3rW5R%nu.MC.Y
"ConnectionType=OLEDB",51Testing软件测试网r*l/`7g#er'U
LAST);51Testing软件测试网 ow?"fd%`
51Testing软件测试网0Y q~Vz;M
cT1_c^
//执行SQL语句
.va$q4~umG;U@72047NumRows=lr_db_executeSQLStatement("StepName=PerformQuery",
N4dc,Ea9}
i%dHy7L72047"ConnectionName=InvDatabaseConnection",51Testing软件测试网j0dLxw-kz	L0D~
"SQLStatement=SELECT cons_no,cons_id FROM c_cons where rownum<10",51Testing软件测试网S7u
nQ6GTO1I
"DatasetName=MyDataset",
,AlM'Ar:T72047LAST);
[+}W
Cr;g72047lr_output_message("The query returned %d rows.", NumRows);51Testing软件测试网sk;k?@6G M8n7Q
51Testing软件测试网(\Mxg1W/G
//打印出结果51Testing软件测试网PzI-bO-}
lr_db_dataset_action("StepName=PrintDataset",51Testing软件测试网j+z_xf+Q4~
"DatasetName=MyDataset",51Testing软件测试网8cmG
P.B)fYHwo
"Action=PRINT",
^(u;XG|@72047LAST);51Testing软件测试网E)v0wSuZ3G7e

#n7{H4z6?;M3yc7204751Testing软件测试网
b ?N]4e
//利用循环检索数据值
\mlr%D5|%x*a72047while(i<10) {51Testing软件测试网JYW0p.enI:ae/r)]
lr_db_getvalue("StepName=GetValue",
tOFN7Q(c+ye72047"DatasetName=MyDataset",
3J+~dS1s	Q3`t"b4t72047"Column=CONS_NO",51Testing软件测试网)vNrJQ'Y
"Row=next",
p!qmF#aK)p#@72047"OutParam=MyOutputParam",51Testing软件测试网x#yB'q4~"i&qW!\,n
LAST);
2qi;Qa6z5[72047lr_output_message("The value is: %s", lr_eval_string("{MyOutputParam}") );51Testing软件测试网Man,T$x)Q5WL
i=i+1; }51Testing软件测试网4c*g*|@3FA

AdIF'AL9`W)F72047
[6?_JU6[/Vp72047//释放结果51Testing软件测试网.P_%g
jnZ R@
lr_db_dataset_action("StepName=RemoveDataset",
v0no$H#ax$I72047"DatasetName=MyDataset",51Testing软件测试网*n:Rt
\qi
"Action=REMOVE",51Testing软件测试网!l-dh\RN
LAST);
9\ye)g Ki72047
/@9n;G&Q|72047
-Yy#uDJ72047//断开数据库连接51Testing软件测试网U^!U	n|iPv?Zu
lr_db_disconnect("StepName=Disconnect",
y4J,]!gf8f72047"ConnectionName=InvDatabaseConnection",51Testing软件测试网O0E
I/s]
LAST);51Testing软件测试网{%xvb&Ws;Z*a$g8}

cb W9Im72047return0;51Testing软件测试网o C
b8DB BeBu6?7S
}

运行后，输出信息如下：

P2ZUgRy72047

Virtual User Script. started
e7Z7^+vV Mj72047Starting action vuser_init.
8] F['^9fA0IP72047Ending action vuser_init.
0^eK5`,\m o/M72047Running Vuser...51Testing软件测试网6DV tE$p/] Vo
Starting iteration 1.
bq(Xj QsF+pR72047Starting action Action.51Testing软件测试网6p;U*nw/ji+x!c
Action.c(6): DB Connection "DatabaseConnection" started ... Wait ....
p|\;qs72047Action.c(6): DB connection was successful51Testing软件测试网uk `5D ~
Action.c(13): SQL Statement execution "PerformQuery" started51Testing软件测试网#Z~3D:N G9I"Ye
Action.c(13): SQL Statement execution was successful51Testing软件测试网f2CS)b8iG+WR
Action.c(13): ================================================51Testing软件测试网/v%JX6}5}mP,o]
Action.c(18): The query returned 9 rows.51Testing软件测试网6J;His%slP3i-k j
Action.c(20): Dataset action "PrintDataset" started
0N5LEGz2~72047Action.c(20):
'r/Iy Y1E!s pt72047Action.c(20): ******** Start printing ***********
I*Fu&_-xUo?72047Action.c(20): Number of records in dataset = 9
Z}KN)q_ |72047Action.c(20): Num. CONS_NO CONS_ID
CO7R/t3zMg}iN72047Action.c(20): =========================================================
/D g qb-i72047Action.c(20): 1 3096451321 310306247
;kM;z5\'Q:n72047Action.c(20): 2 3097730300 3376536
+O{#nkZoG"l-Z[&u72047Action.c(20): 3 0000265443 3376537
f8s8~VS4gx.\6d72047Action.c(20): 4 0000265456 337653851Testing软件测试网&|:{?p6`'L9Ky
Action.c(20): 5 0000265469 3376539
cKn/Dh }T6SA72047Action.c(20): 6 0000265472 3376540
K`8S6OkSwZ\72047Action.c(20): 7 3098976354 31434809951Testing软件测试网&C%Im!Z%ce ` tP^
Action.c(20): 8 0000265498 337654251Testing软件测试网!n7U9l(U g B
Action.c(20): 9 0000265502 3376543
z&S5x V Iq2nA72047Action.c(20): ********End printing ***********
X ~8l6eLb72047Action.c(20):51Testing软件测试网tR\`Z5~NI
Action.c(20): Dataset action was successful51Testing软件测试网!J9I|,K:ei
Action.c(27): Get db value "GetValue" started51Testing软件测试网3V\\&Ff
Action.c(27): Get db value was successful51Testing软件测试网0Kh%q-AZfX
Action.c(27): ================================================
'X:Z&{,`v},M&?72047Action.c(33): The value is: 309645132151Testing软件测试网!Aq&bD1F%?
Action.c(27): Get db value "GetValue" started
4gr9kZ*n72047Action.c(27): Get db value was successful51Testing软件测试网R o/B?.Kh8^,M
Action.c(27): ================================================51Testing软件测试网[Uq$D@Y$vd
Action.c(33): The value is: 309773030051Testing软件测试网3UiUso!P{#H-E3`
Action.c(27): Get db value "GetValue" started
"\(Z-s+j9h72047Action.c(27): Get db value was successful
7C(x^HUx72047Action.c(27): ================================================
'V V]s/hrgn72047Action.c(33): The value is: 0000265443
E?T|+D72047Action.c(27): Get db value "GetValue" started
WB r?v+~72047Action.c(27): Get db value was successful51Testing软件测试网,WGp5HF6a
Action.c(27): ================================================
V7[Q/LfM&j!s72047Action.c(33): The value is: 000026545651Testing软件测试网6P.d1hT0s*Y
Action.c(27): Get db value "GetValue" started
X/b*Vj,}+An72047Action.c(27): Get db value was successful
Uz0m'oH;AW72047Action.c(27): ================================================
)O.nZk3P#h72047Action.c(33): The value is: 0000265469
IRU BL5G72047Action.c(27): Get db value "GetValue" started51Testing软件测试网)Qahj{tc ap@
Action.c(27): Get db value was successful51Testing软件测试网 J'jt s b} j
Action.c(27): ================================================
.j)Gy5k`7frYC5P72047Action.c(33): The value is: 0000265472
+hWc2S(};oI7o.mwp72047Action.c(27): Get db value "GetValue" started
V0i'lM0Sj K72047Action.c(27): Get db value was successful51Testing软件测试网S_iunk
Action.c(27): ================================================
S,O g8C;NRi m72047Action.c(33): The value is: 3098976354
O7h9M:s)n72047Action.c(27): Get db value "GetValue" started51Testing软件测试网r#RK W$BwH/Q!E0Z
Action.c(27): Get db value was successful
+ED.^.Hh72047Action.c(27): ================================================51Testing软件测试网W ZH3l1Rk
Action.c(33): The value is: 0000265498
#Y,M Q+?g:y-~y72047Action.c(27): Get db value "GetValue" started
^+S[M:NY\N72047Action.c(27): Get db value was successful51Testing软件测试网D-j ZL ?6F(Cd
Action.c(27): ================================================51Testing软件测试网m*y6sEcS@
Action.c(33): The value is: 000026550251Testing软件测试网a7R%ZJR;_ P'EE5d
Action.c(36): Dataset action "RemoveDataset" started51Testing软件测试网t!oV-WCZ?'Z
Action.c(36): Dataset action was successful
]U&Y'|QH9d72047Action.c(41): DB disconnect "Disconnect" started
y9xb(a/NWFQb72047Action.c(41): DB disconnect was successful
/il@C;z Y? e9Rd+V72047Action.c(41): ================================================51Testing软件测试网.?eb4?^Wy
Ending action Action.
8\%L(K:nZ P&K_I72047Ending iteration 1.51Testing软件测试网0qjZ1h~*|,X
Ending Vuser...51Testing软件测试网*?Z#a/nR"bj
Starting action vuser_end.51Testing软件测试网.yF }g z(}K1X
Ending action vuser_end.
1g(^dG$M2s72047Vuser Terminated.51Testing软件测试网W7L5FVz-hN@*X



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