How to extract login cookies when JMeter performs interface testing

use JMeter When carrying out interface test , It is often necessary to extract Cookie To carry out other business processes , If cookie/token It is in the response message of login request , Then it can be extracted directly through regular expressions , But if Cookie Not in the response message , How else can we extract it ？

Through analysis, we found that , The request header of the business interface contains Cookie value , You need to get it through the login interface Cookie Then it is passed to the request header of other interfaces .

Add HTTP Cookie Manger, You can see Cookie value .

To put Cookie Stored as a variable , First of all, we need to /bin Under the table of contents jmeter.properties Of documents “#CookieManager.save.cookies=false” It is amended as follows “CookieManager.save.cookies=true” And remove the notes “#”.

Add HTTP Cookie Manager , And add user-defined Cookie, Set the name here as aaa, The value is ${COOKIE_aaa}.

stay HTTP Request header manager , Here you need this Cookie Used where the value is ${COOKIE_aaa} Express , That is to say ：

In subsequent requests , You can see that the request header contains the passed Cookie value .

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