[Original]java Web learning Note 08:servletresponse & HttpServletResponse

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1. Introduction

1) The Servletresponse interface class defined in the Servlet API is used to Create a response message

2)HttpServletResponse is a servletresponse subinterface that is dedicated to the HTTP protocol, and it is used to encapsulate HTTP response messages

Introduction to 2.ServletResponse Common methods

　　1) java.io.PrintWriter getwriter(): Returns a PrintWriter object, invokes the print () method of the pair, and prints the parameters in print () to the browser

2) void setcontenttype(java.lang.String type): sets the corresponding internal type

3)Servletoutputstream getoutputstream(): Gets a stream that is important when the file is downloaded

4) void SetLocale(Java.util.Locale Loc): Set up regional information, internationalization

Introduction to 3.HttpServletResponse Common methods

1) void sendredirect(java.lang.String location): Request redirect

[Original]java Web learning Note 08:servletresponse & HttpServletResponse