\u7b80\u5355excel\u751f\u6210<\/h2>\n\n\n\n\u5f15\u5165\u4f9d\u8d56<\/h3>\n\n\n\n <dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.7.4<\/version>\n <\/dependency>\n\n <!-- https:\/\/mvnrepository.com\/artifact\/org.apache.poi\/poi-ooxml -->\n <dependency>\n <groupId>org.apache.poi<\/groupId>\n <artifactId>poi-ooxml<\/artifactId>\n <version>4.1.2<\/version>\n <\/dependency><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u5b9e\u73b0<\/h3>\n\n\n\n\u76f4\u63a5\u751f\u6210\u6587\u4ef6<\/h4>\n\n\n\n\u4ee3\u7801<\/h5>\n\n\n\n @Test\n public void testCreateSimpleCreate() {\n String outFilePath = \"F:\\\\test-excel\\\\simple-create.xlsx\";\n ExcelWriter writer = ExcelUtil.getWriter(outFilePath);\n List<Map<String, Object>> maps = this.mockSimpleExcelData();\n this.writeHeader(writer);\n writer.write(maps);\n writer.close();\n }\n\n \/**\n * \u5199\u8868\u5934\n * @param writer\n *\/\n private void writeHeader(ExcelWriter writer ) {\n writer.addHeaderAlias(\"id\", \"ID\");\n writer.addHeaderAlias(\"name\", \"\u540d\u79f0\");\n writer.addHeaderAlias(\"gender\", \"\u6027\u522b\");\n writer.addHeaderAlias(\"age\", \"\u5e74\u9f84\");\n writer.addHeaderAlias(\"idCard\", \"\u8eab\u4efd\u8bc1\u53f7\");\n }\n\n \/**\n * \u6a21\u62df\u5199\u5165 \u7b80\u5355\u7684 5 \u5217\u6570\u636e:id \u59d3\u540d \u6027\u522b \u5e74\u9f84 \u8eab\u4efd\u8bc1\u53f7\n * @return\n *\/\n private List<Map<String, Object>> mockSimpleExcelData() {\n List<Map<String, Object>> list = new ArrayList<>();\n int dataCount = 10;\n for (int i = 0; i < dataCount; i++) {\n Map<String, Object> map = new LinkedHashMap<>();\n map.put(\"id\", IdUtil.fastSimpleUUID());\n map.put(\"name\", RandomUtil.randomString(\"\u8d75\u94b1\u5b59\u674e\u5468\u5434\u90d1\u738b\u51af\u9648\u891a\u536b\u848b\u6c88\u97e9\u6768\u6731\u79e6\u5c24\u8bb8\u4f55\u5415\u65bd\u5f20\", 1).concat(RandomUtil.randomString(\"\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341\", RandomUtil.randomInt(1,2))));\n map.put(\"gender\", i % 2 == 0 ? \"\u7537\": \"\u5973\");\n map.put(\"age\", RandomUtil.randomInt(18, 35));\n map.put(\"idCard\", String.valueOf(RandomUtil.randomString(\"1234567890\", 18)));\n list.add(map);\n }\n return list;\n }<\/code><\/pre>\n\n\n\n\u7ed3\u679c<\/h5>\n\n\n\n![\"image-20220224215358242\"\/](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\n\u6587\u4ef6\u4e0b\u8f7d\u65b9\u5f0f<\/h4>\n\n\n\n
\u4ee5\u4e0b\u4ee3\u7801\u4e3a\u793a\u4f8b<\/p>\n\n\n\n
public void testDownloadFile(HttpServletResponse response) {\n \/\/ \u901a\u8fc7\u5de5\u5177\u7c7b\u521b\u5efawriter\uff0c\u9ed8\u8ba4\u521b\u5efaxls\u683c\u5f0f\n ExcelWriter writer = ExcelUtil.getWriter(true);\n this.writeHeader(writer);\n List<Map<String, Object>> maps = this.mockSimpleExcelData();\n writer.write(maps);\n ServletOutputStream out = null;\n response.setContentType(\"application\/vnd.ms-excel;charset=utf-8\");\n try {\n \/\/ \u4e2d\u6587\u9700\u8981\u4f7f\u7528encode\u52a0\u5bc6\n String fileName = URLEncoder.encode(\"\u6587\u4ef6\u4e0b\u8f7d\u6d4b\u8bd5\", CharsetUtil.UTF_8);\n response.setHeader(\"Content-Disposition\", \"attachment;filename=\" + fileName + \".xlsx\");\n out = response.getOutputStream();\n writer.flush(out, true);\n } catch (Exception e) {\n e.printStackTrace();\n } finally {\n writer.close();\n }\n IoUtil.close(out);\n }<\/code><\/pre>\n\n\n\n\u901a\u8fc7\u6a21\u677f\u751f\u6210<\/h2>\n\n\n\n\u5bfc\u5165\u4f9d\u8d56<\/h3>\n\n\n\n <dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.7.4<\/version>\n <\/dependency> \n <dependency>\n<!-- \u53ef\u4ee5\u4f7f\u7528poi\u7684\u5b9e\u73b0\u4e5f\u53ef\u4ee5\u7528jexcelapi\u7684 -->\n <groupId>org.jxls<\/groupId>\n <artifactId>jxls-poi<\/artifactId>\n <version>1.0.15<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.jxls<\/groupId>\n <artifactId>jxls-jexcel<\/artifactId>\n <version>1.0.7<\/version>\n <\/dependency><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u5b9e\u73b0<\/h3>\n\n\n\n\u5b9a\u4e49\u6a21\u677f<\/h4>\n\n\n\n<\/div><\/figure>\n\n\n\n\u4e0b\u8f7d\u6a21\u677f\u6587\u4ef6<\/h4>\n\n\n\n\u76f4\u63a5\u751f\u6210\u6587\u4ef6<\/h4>\n\n\n\n\u4ee3\u7801<\/h5>\n\n\n\n @Test\n public void testExcelByTemplate() throws IOException {\n String templatePath = \"F:\\\\test-excel\\\\template_user.xlsx\";\n String targetFilePath = \"F:\\\\test-excel\\\\user.xlsx\";\n Context context = new Context();\n List<Map<String, Object>> data = this.mockSimpleExcelData();\n \/\/ \u8fd9\u91cc\u7684\u53c2\u6570\u548c\u6a21\u677f\u4e2d\u5b9a\u4e49\u7684\u53c2\u6570\u540d\u9700\u8981\u4fdd\u6301\u4e00\u81f4\n context.putVar(\"list\", data);\n BufferedInputStream is = FileUtil.getInputStream(templatePath);\n BufferedOutputStream os = FileUtil.getOutputStream(targetFilePath);\n JxlsHelper jxlsHelper = JxlsHelper.getInstance();\n Transformer transformer = jxlsHelper.createTransformer(is, os);\n jxlsHelper.processTemplate(context, transformer);\n is.close();\n os.flush();\n os.close();\n }<\/code><\/pre>\n\n\n\n\u8fd0\u884c\u7ed3\u679c<\/h5>\n\n\n\n<\/div><\/figure>\n\n\n\n\u6587\u4ef6\u4e0b\u8f7d\u65b9\u5f0f<\/h4>\n\n\n\npublic void testDownloadFileByTemplate(HttpServletResponse response) throws IOException {\n String templateFilePath = \"F:\\\\test-excel\\\\template_user.xlsx\";\n File templateFile = new File(templateFilePath);\n \/\/ \u751f\u6210\u4e34\u65f6\u6587\u4ef6\n String templateDir = FileUtil.getParent(templateFilePath, 1);\n String randomFileName = IdUtil.fastSimpleUUID();\n String outFilePath = StrUtil.concat(true, templateDir, File.separator, randomFileName, \".\", FileUtil.getSuffix(templateFile));\n File outFile = new File(outFilePath);\n List<Map<String, Object>> data = this.mockSimpleExcelData();\n Map<String, Object> dataMap = new HashMap<>();\n \/\/ \u8fd9\u91cc\u7684\u53c2\u6570\u548c\u6a21\u677f\u4e2d\u5b9a\u4e49\u7684\u53c2\u6570\u540d\u9700\u8981\u4fdd\u6301\u4e00\u81f4\n dataMap.put(\"list\", data);\n this.renderExcelData(FileUtil.getInputStream(templateFile), FileUtil.getOutputStream(outFile), dataMap);\n \/\/ \u4e2d\u6587\u9700\u8981\u4f7f\u7528encode\u52a0\u5bc6\n String fileName = URLEncoder.encode(\"\u6a21\u677f\u6587\u4ef6\u4e0b\u8f7d\u6d4b\u8bd5\", CharsetUtil.UTF_8);\n \/\/ \u521b\u5efa\u8f93\u51fa\u6d41\u5bf9\u8c61\n ServletOutputStream outputStream = response.getOutputStream();\n \/\/\u4ee5\u5b57\u8282\u6570\u7ec4\u7684\u5f62\u5f0f\u8bfb\u53d6\u6587\u4ef6\n byte[] bytes = FileUtil.readBytes(outFilePath);\n \/\/ \u8bbe\u7f6e\u8fd4\u56de\u5185\u5bb9\u683c\u5f0f\n response.setContentType(\"application\/octet-stream\");\n \/\/ \u8bbe\u7f6e\u4e0b\u8f7d\u5f39\u7a97\u7684\u6587\u4ef6\u540d\u548c\u683c\u5f0f\uff08\u6587\u4ef6\u540d\u8981\u5305\u62ec\u540d\u5b57\u548c\u6587\u4ef6\u683c\u5f0f\uff09\n response.setCharacterEncoding(CharsetUtil.UTF_8);\n response.setHeader(\"Content-Disposition\", \"attachment;filename=\" + fileName);\n response.setHeader(\"FileName\", fileName);\n \/\/ \u8fd4\u56de\u6570\u636e\u5230\u8f93\u51fa\u6d41\u5bf9\u8c61\u4e2d\n outputStream.write(bytes);\n \/\/ \u5173\u95ed\u6d41\u5bf9\u8c61\n IoUtil.close(outputStream);\n \/\/ \u5f02\u6b65\u5220\u9664\u4e34\u65f6\u6587\u4ef6\n this.asyncDeleteTempFile(outFile);\n }\n\n private void renderExcelData(InputStream templateFileStream, OutputStream targetFileStream, Map<String, Object> dataMap) throws IOException {\n Context context = new Context();\n if (dataMap != null) {\n for (String key : dataMap.keySet()) {\n context.putVar(key, dataMap.get(key));\n }\n }\n JxlsHelper jxlsHelper = JxlsHelper.getInstance();\n Transformer transformer = jxlsHelper.createTransformer(templateFileStream, targetFileStream);\n jxlsHelper.processTemplate(context, transformer);\n templateFileStream.close();\n targetFileStream.flush();\n targetFileStream.close();\n }\n\n \/**\n * \u5f02\u6b65\u5220\u9664\u7684\u4e34\u65f6\u6587\u4ef6\n * @param file \u5f85\u5220\u9664\u7684\u6587\u4ef6\u6570\u7ec4\n *\/\n public void asyncDeleteTempFile(File ...file) {\n final Integer targetDelayTime = 10 ;\n \/\/ \u5f02\u6b65\u6267\u884c\u5220\u9664\u4e34\u65f6\u6587\u4ef6\u65b9\u6cd5\n CompletableFuture.runAsync(() -> {\n try {\n TimeUnit.SECONDS.sleep(targetDelayTime);\n \/\/ \u5220\u9664\u4e34\u65f6\u6587\u4ef6\n if (ArrayUtil.isNotEmpty(file)) {\n for (File tempFile : file) {\n FileUtil.del(tempFile);\n }\n }\n } catch (Exception e) {\n log.info(\"\u5f02\u6b65\u6267\u884c\u7684\u5220\u9664\u4e34\u65f6\u6587\u4ef6\u65f6\u51fa\u9519\uff1a{}\", e);\n }\n });\n }<\/code><\/pre>\n\n\n\n\u603b\u7ed3<\/h1>\n\n\n\n\u5de5\u5177\u7c7b<\/th> \u8bf4\u660e<\/th><\/tr><\/thead> hutools<\/td> \u751f\u6210\u7b80\u5355\u7684excel\u6587\u4ef6\u53ea\u9700\u8981\u51e0\u884c\u4ee3\u7801\u5373\u53ef\u5b8c\u6210\u3002<\/td><\/tr> jxls<\/td> 1\u3001\u751f\u6210excel\u6587\u4ef6\u9700\u8981\u5b9a\u5bf9\u5e94\u7684\u6a21\u677f\u6587\u4ef6\uff0c\u76f8\u5bf9\u800c\u8a00\u751f\u6210\u683c\u5f0f\u6bd4\u8f83\u590d\u6742\u7684Excel\u6587\u4ef6\u96be\u5ea6\u66f4\u5c0f\u3002
2\u3001\u6587\u4ef6\u4e0b\u8f7d\u65f6\u9700\u8981\u5148\u751f\u6210\u4e34\u65f6\u6587\u4ef6\uff0c\u7136\u540e\u83b7\u53d6\u5230\u4e34\u65f6\u6587\u4ef6\u6d41\u624d\u53ef\u4ee5\u4e0b\u8f7d\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\njxls\u76f8\u5173\u64cd\u4f5c\u53ef\u67e5\u770b\uff1ahttp:\/\/jxls.sourceforge.net\/<\/p>\n","protected":false},"excerpt":{"rendered":"
\u80cc\u666f \u65e5\u5e38\u5f00\u53d1\u4e2d\u4f1a\u7ecf\u5e38\u9047\u5230\u6570\u636e\u9700\u8981\u4e0b\u8f7d\/\u5bfc\u51fa\u7684\u60c5\u51b5\uff0c\u5982\u679c\u662f\u6bd4\u8f83\u7b80\u5355\u7684excel\uff0c\u6ca1\u6709\u6307\u5b9a\u7279\u6b8a\u683c\u5f0f\uff0c\u501f\u52a9\u7b2c\u4e09\u65b9\u5de5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[29],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-java","tag-excel"],"_links":{"self":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106"}],"collection":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106"}],"version-history":[{"count":1,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions\/107"}],"wp:attachment":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.7.4<\/version>\n <\/dependency>\n\n <!-- https:\/\/mvnrepository.com\/artifact\/org.apache.poi\/poi-ooxml -->\n <dependency>\n <groupId>org.apache.poi<\/groupId>\n <artifactId>poi-ooxml<\/artifactId>\n <version>4.1.2<\/version>\n <\/dependency><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u5b9e\u73b0<\/h3>\n\n\n\n\u76f4\u63a5\u751f\u6210\u6587\u4ef6<\/h4>\n\n\n\n\u4ee3\u7801<\/h5>\n\n\n\n @Test\n public void testCreateSimpleCreate() {\n String outFilePath = \"F:\\\\test-excel\\\\simple-create.xlsx\";\n ExcelWriter writer = ExcelUtil.getWriter(outFilePath);\n List<Map<String, Object>> maps = this.mockSimpleExcelData();\n this.writeHeader(writer);\n writer.write(maps);\n writer.close();\n }\n\n \/**\n * \u5199\u8868\u5934\n * @param writer\n *\/\n private void writeHeader(ExcelWriter writer ) {\n writer.addHeaderAlias(\"id\", \"ID\");\n writer.addHeaderAlias(\"name\", \"\u540d\u79f0\");\n writer.addHeaderAlias(\"gender\", \"\u6027\u522b\");\n writer.addHeaderAlias(\"age\", \"\u5e74\u9f84\");\n writer.addHeaderAlias(\"idCard\", \"\u8eab\u4efd\u8bc1\u53f7\");\n }\n\n \/**\n * \u6a21\u62df\u5199\u5165 \u7b80\u5355\u7684 5 \u5217\u6570\u636e:id \u59d3\u540d \u6027\u522b \u5e74\u9f84 \u8eab\u4efd\u8bc1\u53f7\n * @return\n *\/\n private List<Map<String, Object>> mockSimpleExcelData() {\n List<Map<String, Object>> list = new ArrayList<>();\n int dataCount = 10;\n for (int i = 0; i < dataCount; i++) {\n Map<String, Object> map = new LinkedHashMap<>();\n map.put(\"id\", IdUtil.fastSimpleUUID());\n map.put(\"name\", RandomUtil.randomString(\"\u8d75\u94b1\u5b59\u674e\u5468\u5434\u90d1\u738b\u51af\u9648\u891a\u536b\u848b\u6c88\u97e9\u6768\u6731\u79e6\u5c24\u8bb8\u4f55\u5415\u65bd\u5f20\", 1).concat(RandomUtil.randomString(\"\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\u5341\", RandomUtil.randomInt(1,2))));\n map.put(\"gender\", i % 2 == 0 ? \"\u7537\": \"\u5973\");\n map.put(\"age\", RandomUtil.randomInt(18, 35));\n map.put(\"idCard\", String.valueOf(RandomUtil.randomString(\"1234567890\", 18)));\n list.add(map);\n }\n return list;\n }<\/code><\/pre>\n\n\n\n\u7ed3\u679c<\/h5>\n\n\n\n<\/div><\/figure>\n\n\n\n\u6587\u4ef6\u4e0b\u8f7d\u65b9\u5f0f<\/h4>\n\n\n\n
\u4ee5\u4e0b\u4ee3\u7801\u4e3a\u793a\u4f8b<\/p>\n\n\n\n
public void testDownloadFile(HttpServletResponse response) {\n \/\/ \u901a\u8fc7\u5de5\u5177\u7c7b\u521b\u5efawriter\uff0c\u9ed8\u8ba4\u521b\u5efaxls\u683c\u5f0f\n ExcelWriter writer = ExcelUtil.getWriter(true);\n this.writeHeader(writer);\n List<Map<String, Object>> maps = this.mockSimpleExcelData();\n writer.write(maps);\n ServletOutputStream out = null;\n response.setContentType(\"application\/vnd.ms-excel;charset=utf-8\");\n try {\n \/\/ \u4e2d\u6587\u9700\u8981\u4f7f\u7528encode\u52a0\u5bc6\n String fileName = URLEncoder.encode(\"\u6587\u4ef6\u4e0b\u8f7d\u6d4b\u8bd5\", CharsetUtil.UTF_8);\n response.setHeader(\"Content-Disposition\", \"attachment;filename=\" + fileName + \".xlsx\");\n out = response.getOutputStream();\n writer.flush(out, true);\n } catch (Exception e) {\n e.printStackTrace();\n } finally {\n writer.close();\n }\n IoUtil.close(out);\n }<\/code><\/pre>\n\n\n\n\u901a\u8fc7\u6a21\u677f\u751f\u6210<\/h2>\n\n\n\n\u5bfc\u5165\u4f9d\u8d56<\/h3>\n\n\n\n <dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.7.4<\/version>\n <\/dependency> \n <dependency>\n<!-- \u53ef\u4ee5\u4f7f\u7528poi\u7684\u5b9e\u73b0\u4e5f\u53ef\u4ee5\u7528jexcelapi\u7684 -->\n <groupId>org.jxls<\/groupId>\n <artifactId>jxls-poi<\/artifactId>\n <version>1.0.15<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.jxls<\/groupId>\n <artifactId>jxls-jexcel<\/artifactId>\n <version>1.0.7<\/version>\n <\/dependency><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u5b9e\u73b0<\/h3>\n\n\n\n\u5b9a\u4e49\u6a21\u677f<\/h4>\n\n\n\n<\/div><\/figure>\n\n\n\n\u4e0b\u8f7d\u6a21\u677f\u6587\u4ef6<\/h4>\n\n\n\n\u76f4\u63a5\u751f\u6210\u6587\u4ef6<\/h4>\n\n\n\n\u4ee3\u7801<\/h5>\n\n\n\n @Test\n public void testExcelByTemplate() throws IOException {\n String templatePath = \"F:\\\\test-excel\\\\template_user.xlsx\";\n String targetFilePath = \"F:\\\\test-excel\\\\user.xlsx\";\n Context context = new Context();\n List<Map<String, Object>> data = this.mockSimpleExcelData();\n \/\/ \u8fd9\u91cc\u7684\u53c2\u6570\u548c\u6a21\u677f\u4e2d\u5b9a\u4e49\u7684\u53c2\u6570\u540d\u9700\u8981\u4fdd\u6301\u4e00\u81f4\n context.putVar(\"list\", data);\n BufferedInputStream is = FileUtil.getInputStream(templatePath);\n BufferedOutputStream os = FileUtil.getOutputStream(targetFilePath);\n JxlsHelper jxlsHelper = JxlsHelper.getInstance();\n Transformer transformer = jxlsHelper.createTransformer(is, os);\n jxlsHelper.processTemplate(context, transformer);\n is.close();\n os.flush();\n os.close();\n }<\/code><\/pre>\n\n\n\n\u8fd0\u884c\u7ed3\u679c<\/h5>\n\n\n\n<\/div><\/figure>\n\n\n\n\u6587\u4ef6\u4e0b\u8f7d\u65b9\u5f0f<\/h4>\n\n\n\npublic void testDownloadFileByTemplate(HttpServletResponse response) throws IOException {\n String templateFilePath = \"F:\\\\test-excel\\\\template_user.xlsx\";\n File templateFile = new File(templateFilePath);\n \/\/ \u751f\u6210\u4e34\u65f6\u6587\u4ef6\n String templateDir = FileUtil.getParent(templateFilePath, 1);\n String randomFileName = IdUtil.fastSimpleUUID();\n String outFilePath = StrUtil.concat(true, templateDir, File.separator, randomFileName, \".\", FileUtil.getSuffix(templateFile));\n File outFile = new File(outFilePath);\n List<Map<String, Object>> data = this.mockSimpleExcelData();\n Map<String, Object> dataMap = new HashMap<>();\n \/\/ \u8fd9\u91cc\u7684\u53c2\u6570\u548c\u6a21\u677f\u4e2d\u5b9a\u4e49\u7684\u53c2\u6570\u540d\u9700\u8981\u4fdd\u6301\u4e00\u81f4\n dataMap.put(\"list\", data);\n this.renderExcelData(FileUtil.getInputStream(templateFile), FileUtil.getOutputStream(outFile), dataMap);\n \/\/ \u4e2d\u6587\u9700\u8981\u4f7f\u7528encode\u52a0\u5bc6\n String fileName = URLEncoder.encode(\"\u6a21\u677f\u6587\u4ef6\u4e0b\u8f7d\u6d4b\u8bd5\", CharsetUtil.UTF_8);\n \/\/ \u521b\u5efa\u8f93\u51fa\u6d41\u5bf9\u8c61\n ServletOutputStream outputStream = response.getOutputStream();\n \/\/\u4ee5\u5b57\u8282\u6570\u7ec4\u7684\u5f62\u5f0f\u8bfb\u53d6\u6587\u4ef6\n byte[] bytes = FileUtil.readBytes(outFilePath);\n \/\/ \u8bbe\u7f6e\u8fd4\u56de\u5185\u5bb9\u683c\u5f0f\n response.setContentType(\"application\/octet-stream\");\n \/\/ \u8bbe\u7f6e\u4e0b\u8f7d\u5f39\u7a97\u7684\u6587\u4ef6\u540d\u548c\u683c\u5f0f\uff08\u6587\u4ef6\u540d\u8981\u5305\u62ec\u540d\u5b57\u548c\u6587\u4ef6\u683c\u5f0f\uff09\n response.setCharacterEncoding(CharsetUtil.UTF_8);\n response.setHeader(\"Content-Disposition\", \"attachment;filename=\" + fileName);\n response.setHeader(\"FileName\", fileName);\n \/\/ \u8fd4\u56de\u6570\u636e\u5230\u8f93\u51fa\u6d41\u5bf9\u8c61\u4e2d\n outputStream.write(bytes);\n \/\/ \u5173\u95ed\u6d41\u5bf9\u8c61\n IoUtil.close(outputStream);\n \/\/ \u5f02\u6b65\u5220\u9664\u4e34\u65f6\u6587\u4ef6\n this.asyncDeleteTempFile(outFile);\n }\n\n private void renderExcelData(InputStream templateFileStream, OutputStream targetFileStream, Map<String, Object> dataMap) throws IOException {\n Context context = new Context();\n if (dataMap != null) {\n for (String key : dataMap.keySet()) {\n context.putVar(key, dataMap.get(key));\n }\n }\n JxlsHelper jxlsHelper = JxlsHelper.getInstance();\n Transformer transformer = jxlsHelper.createTransformer(templateFileStream, targetFileStream);\n jxlsHelper.processTemplate(context, transformer);\n templateFileStream.close();\n targetFileStream.flush();\n targetFileStream.close();\n }\n\n \/**\n * \u5f02\u6b65\u5220\u9664\u7684\u4e34\u65f6\u6587\u4ef6\n * @param file \u5f85\u5220\u9664\u7684\u6587\u4ef6\u6570\u7ec4\n *\/\n public void asyncDeleteTempFile(File ...file) {\n final Integer targetDelayTime = 10 ;\n \/\/ \u5f02\u6b65\u6267\u884c\u5220\u9664\u4e34\u65f6\u6587\u4ef6\u65b9\u6cd5\n CompletableFuture.runAsync(() -> {\n try {\n TimeUnit.SECONDS.sleep(targetDelayTime);\n \/\/ \u5220\u9664\u4e34\u65f6\u6587\u4ef6\n if (ArrayUtil.isNotEmpty(file)) {\n for (File tempFile : file) {\n FileUtil.del(tempFile);\n }\n }\n } catch (Exception e) {\n log.info(\"\u5f02\u6b65\u6267\u884c\u7684\u5220\u9664\u4e34\u65f6\u6587\u4ef6\u65f6\u51fa\u9519\uff1a{}\", e);\n }\n });\n }<\/code><\/pre>\n\n\n\n\u603b\u7ed3<\/h1>\n\n\n\n\u5de5\u5177\u7c7b<\/th> \u8bf4\u660e<\/th><\/tr><\/thead> hutools<\/td> \u751f\u6210\u7b80\u5355\u7684excel\u6587\u4ef6\u53ea\u9700\u8981\u51e0\u884c\u4ee3\u7801\u5373\u53ef\u5b8c\u6210\u3002<\/td><\/tr> jxls<\/td> 1\u3001\u751f\u6210excel\u6587\u4ef6\u9700\u8981\u5b9a\u5bf9\u5e94\u7684\u6a21\u677f\u6587\u4ef6\uff0c\u76f8\u5bf9\u800c\u8a00\u751f\u6210\u683c\u5f0f\u6bd4\u8f83\u590d\u6742\u7684Excel\u6587\u4ef6\u96be\u5ea6\u66f4\u5c0f\u3002
2\u3001\u6587\u4ef6\u4e0b\u8f7d\u65f6\u9700\u8981\u5148\u751f\u6210\u4e34\u65f6\u6587\u4ef6\uff0c\u7136\u540e\u83b7\u53d6\u5230\u4e34\u65f6\u6587\u4ef6\u6d41\u624d\u53ef\u4ee5\u4e0b\u8f7d\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\njxls\u76f8\u5173\u64cd\u4f5c\u53ef\u67e5\u770b\uff1ahttp:\/\/jxls.sourceforge.net\/<\/p>\n","protected":false},"excerpt":{"rendered":"
\u80cc\u666f \u65e5\u5e38\u5f00\u53d1\u4e2d\u4f1a\u7ecf\u5e38\u9047\u5230\u6570\u636e\u9700\u8981\u4e0b\u8f7d\/\u5bfc\u51fa\u7684\u60c5\u51b5\uff0c\u5982\u679c\u662f\u6bd4\u8f83\u7b80\u5355\u7684excel\uff0c\u6ca1\u6709\u6307\u5b9a\u7279\u6b8a\u683c\u5f0f\uff0c\u501f\u52a9\u7b2c\u4e09\u65b9\u5de5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[29],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-java","tag-excel"],"_links":{"self":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106"}],"collection":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106"}],"version-history":[{"count":1,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions"}],"predecessor-version":[{"id":107,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions\/107"}],"wp:attachment":[{"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhoujibin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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<\/div><\/figure>\n\n\n\n![\"image-20220224215318779\"\/](\"https:\/\/blog.zhoujb.top\/wp-content\/uploads\/2022\/02\/image-20220224215318779.png\")
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