@ResponseBody
@RequestMapping(value = "/daochu")
public ModelAndView daochu(HttpServletResponse response,HttpServletRequest request,String url){
}
内部应该怎么写呀
url是文件的绝对路径:
比如 D:\apache-tomcat-7.0.61\webapps\zqbp\uploads\中青app接口文档.docx
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获取根目录,就是zqbp目录,然后拼接地址就行了。
将文件转换成子节流写入response