下载导入模板

//html代码
 <div class="btn-group">
   <button class="btn sbold green" id="submitRelease" onclick="downloadTemplate();">
　　 <span class="ladda-label">下载模板</span>
   </button>
 </div> 

//js代码
function downloadTemplate() {
    window.location.href = rootPath + "/vrxx/abc/downloadTemplate"
} 

//后台java代码
@ResponseBody
@RequestMapping("/downloadTemplate")
public void downloadTemplate(HttpServletResponse response, HttpSession session) {
    try {
        InputStream inputStream = (InputStream) this.getClass().getClassLoader().getResourceAsStream("excelexport/rights.xlsx");
        response.setContentType("application/zip");
        OutputStream out = response.getOutputStream();
        response.setHeader("Content-Disposition", "attachment; filename=" + "base" + ".xlsx");
        int b = 0;
        byte[] buffer = new byte[1000000];
        while (b != -1) {
            b = inputStream.read(buffer);
            if (b != -1) out.write(buffer, 0, b);
        }
        inputStream.close();
        out.close();
        out.flush();
    } catch (IOException e) {
        e.printStackTrace();
        logger.error("模板下载失败");
    }
}