Response(javax.servlet.http.HttpServletResponse)对象的作用
2012-06-30 10:04
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1)向客户端发送信息
A.Dhtml文本
response.setContentType("text/html");
response.getWriter("");//获得字符流,只有字符流才能发送中文字符
B.Xml文本(Ajax)
C.向客户端发送cookie信息
D.向客户端发送二进制文件内容(客户端的文件下载)
response只能使用输出流
网包大小最多为2KB
设置size,否则会陷入死循环
2)跳转:(请求重定向)
response.sendRedirect("url");
3)设置字符集
response.setCharacter("utf-8");
A.Dhtml文本
response.setContentType("text/html");
response.getWriter("");//获得字符流,只有字符流才能发送中文字符
B.Xml文本(Ajax)
C.向客户端发送cookie信息
D.向客户端发送二进制文件内容(客户端的文件下载)
response只能使用输出流
网包大小最多为2KB
设置size,否则会陷入死循环
2)跳转:(请求重定向)
response.sendRedirect("url");
3)设置字符集
response.setCharacter("utf-8");
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