The value of ES0en. getParameter of is the solution of null
- 2020-12-21 18:07:46
- OfStack
The reason: I only set the id attribute
The ID attribute is used when javascript is used on JSP pages, but the name attribute is used when Request values are passed in the background. That's the problem.
The ID attribute is used when javascript is used on JSP pages, but the name attribute is used when Request values are passed in the background. That's the problem.