response对象的setHeader(Stringname,Stringvalue)方法的作用是()。
A、添加HTTP文件头
B、设定指定名字的HTTP文件头的值
C、判断指定名字的HTTP文件头是否存在
D、向客户端发送错误信息
A、添加HTTP文件头
B、设定指定名字的HTTP文件头的值
C、判断指定名字的HTTP文件头是否存在
D、向客户端发送错误信息
A、response.setHeader("X-MyHeader", "34"); B、response.addHeader("X-MyHeader", "34"); C、response.setHeader(new HttpHeader("X-MyHeader", "34")); D、response.addHeader(new HttpHeader("X-MyHeader", "34")); E、response.addHeader(new ServletHeader("X-MyHeader", "34"));
A、response.setLength(numberOfBytes); B、response.setContentLength(numberOfBytes); C、response.setHeader("Length", numberOfBytes); D、response.setIntHeader("Length", numberOfBytes); E、response.setHeader("Content-Length", numberOfBytes); F、response.setIntHeader("Content-Length", numberOfBytes);
A、 response.set Header (“X-MyHeader”. “34”): B、 response.addHeader (“X-MyHeader”. “34”): C、 response. Set Header (new Http Header (“X-MyHeader”. “34”)): D、 response.addHeader(new Http Header (“X-MyHeader”. “34”)): E、 response. addHeader (new Servlet Header (“X-MyHeader”. “34”)): F、 response. setHeader (new Servlet Header (“X-MyHeader”, “34”)):
A、A.ResponseStream out=response.getResponseStream() B、B.ResponseStream out=response.getStream() C、C.ResponseStream out=response.getOutputStream() D、D.ServletOutputStream out=response.getOutputStream()