minutes for 2021/10/26
2021/10/27 6:09:31
本文主要是介绍minutes for 2021/10/26，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
9:00am-11:00pm
web http request and response;
request sample:
GET / HTTP/1.1 Host: www.sina.com.cn User-Agent: Mozilla/5.0 xxx Accept: */*
response sample
HTTP/1.1 200 OK Content-Type: text/html Content-Length: 21932 Content-Encoding: gzip Cache-Control: max-age=300 <html>...data...
servlet API from java EE which needs Maven to import with a pom.xml file. run on Tomcat server.
@WebServlet(urlPatterns="/hello")
**servlet extents Httpservlet{
doGet(HttpServletRequest, HttpServletResonse){}
doPost(HttpServletRequest, HttpServletResonse){}
}
redirect and forward
redirect can be used to update a web
forward can be used to reuse a function in one servlet
Session and Cookie
A session for login and logout and cookie can use the default language setting
JSP: java server pages .jsp ,equal to a servlet functionally.
build-in parameter: out; session; request.
combine the weaknesses and strengths of the servlet and JSP to realize the MVC
filter: chain.doFilter(request,response)
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