如何在JMeter中使用HTTP POST请求发送可变长度列表或参数数组？

I'm making JMeter load tests for an ASP.NET web application, and the tests should post some data to the server. Specifically, they should post grades for all the pupils in a class. However, the tests are supposed to be general, so that they can be run towards different schools with a small change in the configuration. I'm making JMeter load tests for an ASP.NET web