1. What is a header?
A request header in a request
2. When to use it?
When transmitting cookie token or other information
3. Scene setting?
Anti-crawler adds information header: When the system thinks your request is a crawler, it will not let you pass
At this time, Jmeter will simulate the browser to send the request
Anti-crawler adding information header is to modify user-agent
4. User-agent information:
5. HTTP header manager:
6. Modify the copied browser value to get it from the browser:
6.1 finally becomes:
6.2 After running the request at last, view the browser in the result tree to the modified value:
7. Scope: Divided into local and global
Partial: what is in the request is part of it and takes effect for a single request
Global: belongs to the thread group and takes effect for all requests
7.1 When both global and local exist, local > request
That is: when a request has an HTTP header manager, configure it separately,
If not, use the global