Java實現文件下載

1、前臺經過a標籤打開接口，傳入文件idhtml <a href="/cdc/announcement/downloadFile/1">下載</a> 2、後臺接收id，查找對應文件，進行下載linux @RequestMapping(value = "downloadFile/{id}", method = RequestMethod.GET) @PreAuthorize("hasAuth

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