解决办法:
1.Struts.xml文件中配置如下,红线部分重要点,特别是字符集的设置:
<result name="export" type="stream">
<param name="inputName">downloadFile</param>
<param name="contentDisposition">attachment;filename="${downloadFileName}"</param>
<param name="contentType">application/octet-stream;charset=ISO8859-1</param>
<param name="bufferSize">4096</param>
</result>
2.action中设置下载文件的名称
public void setDownloadFileName(String downloadFileName) {
try {
this.downloadFileName = new String(downloadFileName.getBytes(),"ISO8859-1");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}