Detailed description of JSP request object instances and jsprequest

Detailed description of JSP request object instances and jsprequest

Detailed description of JSP request object instances

1. request object definition

The request information of the client is encapsulated in the request object to understand the customer's requirements and then respond. It is an instance of the HttpServletRequest class. The request object has a request domain, that is, the object remains valid until the client completes the request.

2. request object Method

 

Three instances

<% @ Page language = "java" import = "java. util. * "contentType =" text/html; charset = UTF-8 "%> <% String path = request. getContextPath (); String basePath = request. getScheme () + ": //" + request. getServerName () + ":" + request. getServerPort () + path + "/"; %> <! Doctype html public "-// W3C // dtd html 4.01 Transitional // EN"> 
4. Running Effect


Five knowledge points

1. Solve the Problem of garbled Chinese parameters passing through URLs

Modify server in D: \ apache-tomcat-7.0.81 \ conf. xml <Connector port = "8888" protocol = "HTTP/1.1" connectionTimeout = "20000" redirectPort = "8443" URIEncoding = "UTF-8"/>
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