HttpServletResponse设置http控制浏览器禁止缓存当前文档内容

HttpServletResponse设置http响应头控制浏览器禁止缓存当前文档内容,设置代码如下：

protected void doGet(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException { 
	response.setDateHeader("expries", -1);
	response.setHeader("Cache-Control", "no-cache");
	response.setHeader("Pragma", "no-cache");
}

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