First, the use scene
Json Extractor postprocessor for use in the format of the HTTP request returns the json for obtaining a value returned in json. Variables and stored for subsequent requests to call or assertions.
Second, the use
1. Create an HTTP request.
2, select the post processor --- Json Extractor
3, in the result tree view, locate the desired value by json json path expression.
4, provided Json Extractor
1) name: json post-expression name, logo effect
2) Name of created variables: variable name stored later with reference} $ {variable name
3) Json Path expression: json path expression invoked by the previous step
4) Match No. (0 for Random): matching digits (0 represents a random, 1 for the first, -1 for all)
5) Computer concatenation var (suffix_ALL): whether to count all upcoming matches to save all values, called "variable name _ALL", usage scenarios need to get multiple values are behind the need for the operation of this set of data.
6) Default Values: can not find the default value is usually set to NOT FOUND
Third, the key point
Json Path expression of use
