JSON extractor use in JMeter

There is an interface dependency problem in the interface , The interface needs to be A Extract a response value from , At the interface B Use in , Of course, the regular expression processor in the post processor can be used here , But if the response is JSON Format , Then use JSON The extractor is more convenient

One 、 add to JSON Extractor

 

  Two 、JSON Extractor settings

 

3、 ... and 、 Result check , You can use the debug sampler to view the results