Method: Request mode, including GET and POST

Submit URL: fill in the requested URL address in the request data, which can be a variable

Header Information: fill in user-defined header Key for parameter name and user-defined header Value for request data; if there is no user-defined item, the system default will be used; if the user-defined header is the same as the system one, the system default will be overwritten

Submit Parameter: refers to the parameter to be submitted. Fill in the parameter name for the parameter name and fill in the parameter value for the request data

System variables in Submit Parameters-> Request Data:

1.${ALL_PARAMS_A}: Obtain all Http protocol parameters before the current step (after all steps, that is, obtain all parameters), without symbols, sort them lexicographically according to the parameter names and combine them into a string, which is generally used to calculate sign