@GetMapping(“/downloadAccountTemplate”)public Object downloadAccountTemplate(HttpServletResponse response) {
    //文件路径
    String filePath = “/template/“;
    //文件名称
    String fileName = “AccountTemplate.xlsx”;
    //设置要下载的文件的名称
    response.setHeader    (“Content-disposition”, “attachment;fileName=” + fileName);
    //通知客服文件的MIME类型
    response.setContentType    (“application/vnd.ms-excel;charset=UTF-8”)_;

    1. try _(_InputStream input = getClass_()_.getResourceAsStream_(_filePath + fileName_)_; OutputStream out = res.getOutputStream_()) {<br />        _byte_[] _b = new byte_[_2048_]_;<br />        int len;<br />        while _((_len = input.read_(_b_)) _!= -1_) {<br />            _out.write_(_b, 0, len_)_;<br />        _}<br />        _return ResponseData._success(_"模板下载成功"_)_;<br />    _} _catch _(_IOException e_) {<br />        _return ResponseData._error(_"模板下载失败"_)_;<br />    _}<br />}_