How to set global variables and regular expression extractor by jmeter
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In the interface test, many APIs have to take the token after login to send requests normally. Here, record that the login acquisition token is set as a global variable for other APIs to use.
After logging in, there will be a token value in the returned information. Add the regular expression in the post processor to extract token, and then use the BeanShell PostProcessor in the post processor to set token as the global variable.
1. Get the token value:
1.1. grab the bag with fiddler
1.2, F12 view interface information
1.3.Log in to view with jmeter
2. Token is extracted by regular expression:
3. BeanShell PostProcessor sets token as a global variable:
4. Other APIs use this global variable:
Add http header Manager
The regular expression extractor extracts multiple values
The value in the data returned by the previous interface needs to be used in the parameters of the next interface, so the value is obtained through the regular expression extractor.
$1 $, $2 $, $3$ represents the data that matches the first, second and third templates at the same time
Matching number: fill in 1 here, which means that each template value obtains the first matching data.
${id_g1} get the data matched by the first template
${id_g2} get the data matched by the second template
${id_g3} get the data matched by the third template
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