As shown in figure, here is the contents of the database to complete the background management removed, originally should fill out the request before the servlet. Getcontextpath read information, but fill in the following pages is an error, wanted to think should be for & lt; Li> Two labels is too strange, here should be how to change the format, please?

CodePudding user response:

Aren't you send the error message a

CodePudding user response:

Suppose you template rendering all right, a tag out is a get request, you delete a support get request, this situation is better you write ajax