2. Then create a new requested page: the file is named do.jsp, right-click the jsp folder under webroot, new-"JSP, fill in the name, and click Finish to finish the creation.
3. Pay attention to changing the encoding format of the request page to utf-8, otherwise the encoding will be wrong. Fill in the text box and submit button. The request mode is post, and the requested page is do.jsp.
4. In the do.jsp page of the requested page, the input information of the requested page is obtained, and the string user = request. getparameter(" user ")； And display it on the page.
5. Enter the address of the requested page in the browser address bar, then fill in the information and click Submit.