Java httpservletresponse及response编码问题

 

 

HttpServletResponse对象

                            HttpServletResponse对象修改响应信息：

 

                                               响应行：

                                                                 response.setStatus()  设置状态码

                                               响应头：

                                                                 response.setHeader("name","value")  设置响应头

                                               实体内容：

                                                                 response.getWriter().writer();   发送字符实体内容

                                                                 response.getOutputStream().writer()  发送字节实体内容

 

 response编码问题的缘由: