hexin orsen wrote:
you most make sure that input_text is not null,and its instance exist pageScope requestScope
Not correct. When using old-fashioned scriptlet expressions, the variable must be a scripting variable, not a scoped variable.
after save input_text in requestScope ,you can use it in jsp page like
Again, not correct. Scoped variables are accessed via the modern EL, not out-moded scriptlets.