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用RFC 5987标准解决文件下载中文文件名乱码 #7

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用RFC 5987标准解决文件下载中文文件名乱码 #7

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9 changes: 5 additions & 4 deletions src/main/java/com/excel/poi/ExcelBoot.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
package com.excel.poi;

import com.excel.poi.common.Constant;
import com.excel.poi.common.WebFilenameUtils;
import com.excel.poi.entity.ExcelEntity;
import com.excel.poi.excel.ExcelReader;
import com.excel.poi.excel.ExcelWriter;
Expand Down Expand Up @@ -193,7 +194,7 @@ public <R, T> void exportResponse(R param, ExportFunction<R, T> exportFunction)
try {
verifyResponse();
sxssfWorkbook = commonSingleSheet(param, exportFunction);
download(sxssfWorkbook, httpServletResponse, URLEncoder.encode(fileName + ".xlsx", "UTF-8"));
download(sxssfWorkbook, httpServletResponse, fileName + ".xlsx");
} finally {
if (sxssfWorkbook != null) {
sxssfWorkbook.close();
Expand Down Expand Up @@ -273,7 +274,7 @@ public <R, T> void exportMultiSheetResponse(R param, ExportFunction<R, T> export
try {
verifyResponse();
sxssfWorkbook = commonMultiSheet(param, exportFunction);
download(sxssfWorkbook, httpServletResponse, URLEncoder.encode(fileName + ".xlsx", "UTF-8"));
download(sxssfWorkbook, httpServletResponse, fileName + ".xlsx");
} finally {
if (sxssfWorkbook != null) {
sxssfWorkbook.close();
Expand Down Expand Up @@ -352,7 +353,7 @@ public void exportTemplate() {
ExcelEntity excelMapping = ExcelMappingFactory.loadExportExcelClass(excelClass, fileName);
ExcelWriter excelWriter = new ExcelWriter(excelMapping, pageSize, rowAccessWindowSize, recordCountPerSheet, openAutoColumWidth);
sxssfWorkbook = excelWriter.generateTemplateWorkbook();
download(sxssfWorkbook, httpServletResponse, URLEncoder.encode(fileName + ".xlsx", "UTF-8"));
download(sxssfWorkbook, httpServletResponse, fileName + ".xlsx");
} finally {
if (sxssfWorkbook != null) {
sxssfWorkbook.close();
Expand Down Expand Up @@ -432,7 +433,7 @@ private void download(SXSSFWorkbook wb, HttpServletResponse response, String fil
OutputStream out = response.getOutputStream();
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setHeader("Content-disposition",
String.format("attachment; filename=%s", filename));
WebFilenameUtils.disposition(filename));
if (null != out) {
wb.write(out);
out.flush();
Expand Down
36 changes: 36 additions & 0 deletions src/main/java/com/excel/poi/common/WebFilenameUtils.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
package com.excel.poi.common;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.UnsupportedEncodingException;

/**根据RFC 5987规范生成disposition值, 解决浏览器兼容以及中文乱码问题
* @author BiLuohen
* @date 6/25/2019
*/
public class WebFilenameUtils {

private static final Logger LOGGER = LoggerFactory.getLogger(WebFilenameUtils.class);

private static final String DISPOSITION_FORMAT = "attachment; filename=\"%s\"; filename*=utf-8''%s";

/**
* 未编码文件名转Content-Disposition值
*
* @param filename 未编码的文件名(包含文件后缀)
* @return Content-Disposition值
*/
public static String disposition(String filename) {
String codedFilename = filename;
try {
if (!StringUtil.isBlank(filename)) {
codedFilename = java.net.URLEncoder.encode(filename, "UTF-8");
}
} catch (UnsupportedEncodingException e) {
LOGGER.error("不支持的编码:", e);
}
return String.format(DISPOSITION_FORMAT, codedFilename, codedFilename);

}
}