import org.apache.commons.io.IOUtils @GetMapping("/downloadPDF/{billingCycle}") fun downloadPDFBill( @PathVariable billingCycle: YearMonth, response: HttpServletResponse ) { response.contentType = "application/x-download" response.characterEncoding="UTF-8" response.setHeader("Content-Disposition", "attachment;filename=${billingCycle}-bill.pdf") val realPath="D:\data11-12-bill.pdf" val inputStream = FileInputStream(realPath) val outputStream = response.outputStream IOUtils.copy(inputStream, outputStream) outputStream.flush() }
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