Excel导出中HttpServletResponse消息头参数设置

response.setCharacterEncoding("UTF-8");

//编码格式为UTF-8

response.setContentType("application/vnd.ms-excel;charset=UTF-8");

//让服务器告诉浏览器它发送的数据属于excel文件类型

其他常用类型：

 'doc'        => 'application/msword',
    'bin'        => 'application/octet-stream',
    'exe'        => 'application/octet-stream',
    'so'        => 'application/octet-stream',
    'dll'        => 'application/octet-stream',
    'pdf'        => 'application/pdf',
    'ai'        => 'application/postscript',
    'xls'        => 'application/vnd.ms-excel',
    'ppt'        => 'application/vnd.ms-powerpoint',
    'dir'        => 'application/x-director',
    'js'        => 'application/x-javascript',
    'swf'        => 'application/x-shockwave-flash',
    'xhtml'        => 'application/xhtml+xml',
    'xht'        => 'application/xhtml+xml',
    'zip'        => 'application/zip',
    'mid'        => 'audio/midi',
    'midi'        => 'audio/midi',
    'mp3'        => 'audio/mpeg',
    'rm'        => 'audio/x-pn-realaudio',
    'rpm'        => 'audio/x-pn-realaudio-plugin',
    'wav'        => 'audio/x-wav',
    'bmp'        => 'image/bmp',
    'gif'        => 'image/gif',
    'jpeg'        => 'image/jpeg',
    'jpg'        => 'image/jpeg',
    'png'        => 'image/png',
    'css'        => 'text/css',
    'html'        => 'text/html',
    'htm'        => 'text/html',
    'txt'        => 'text/plain',
    'xsl'        => 'text/xml',
    'xml'        => 'text/xml',
    'mpeg'        => 'video/mpeg',
    'mpg'        => 'video/mpeg',
    'avi'        => 'video/x-msvideo',
    'movie'        => 'video/x-sgi-movie',  

response.setHeader("Content-Transfer-Encoding", "binary");

//描述内容在传输过程中的编码格式，BINARY可能不止包含非ASCII字符，还可能不是一个短行（超过1000字符）。

response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");

//must-revalidate：强制页面不缓存，post-check=0, pre-check=0：0秒后，在显示给用户之前，该对象被选中进行更新过

response.setHeader("Pragma", "public");

//表示响应可能是任何缓存的，即使它只是通常是非缓存或可缓存的仅在非共享缓存中。

response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + ".xls\"");

//告诉浏览器这个文件的名字和类型，attachment：作为附件下载；inline：直接打开