Are independent of each other, then to how to achieve between the thread group jmeter cross-thread group by value it, then use the function box _property and _setProperty the two functions
Case:
1, add 1 thread group, add the HTTP sampler tree and view the results in order to http://www.hao123.com example,
2, the regular expression added extractor post processor in the HTTP request, extracts 'Bedroom' the parameters of FIG.
3, using _setProperty function function box, the value of the incoming global
4, added in the sampler BeanShell thread group 1, the value filled in 3 copies of the script
5, using the function _property assistant to obtain the value from the global, copy function strings generated
6, add a thread group 2, add the HTTP sampler to www.baidu.com to search incoming values just obtained, and finally add a tree to see the results
7, running View Results
As can be seen in the thread 1 has been successfully set of parameters passed to the thread in the group 2