how to use variable in jmeter like counter

问题

I'm using loop controller inside the jmeter script, and I'm not able to fetch previous variable value in pre-processor beanshell.

Example:

var temp = 1; log.info("before : "+temp.toString()); temp++; prev.put("t",temp.toString());

Thanks in advance

回答1:

To save values b/w iterations:

Following is one of the ways to store and retrieve the values b/w iterations:

log.info("temp prev value " + vars.get("temp")); // first iteration returns null
vars.put("temp","something"); // store or override the value, so it will be available in next iterations.

To know iteration number:

If your need is to know the iteration number, then use Counter:

In beanshell preprocessor, access using reference name (counter) as shown below:

来源：https://stackoverflow.com/questions/40423570/how-to-use-variable-in-jmeter-like-counter