{"id":69508,"date":"2025-11-15T20:09:36","date_gmt":"2025-11-15T12:09:36","guid":{"rendered":"https:\/\/aicats.wiki\/?p=69508"},"modified":"2025-11-15T20:09:47","modified_gmt":"2025-11-15T12:09:47","slug":"easyexcel-%e5%af%a6%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e9%96%8b%e7%99%bc%e8%80%85%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e7%8e%87%e5%9c%b0%e8%99%95%e7%90%86%e5%a4%a7%e9%87%8fexcel-%e8%b3%87%e6%96%99","status":"publish","type":"post","link":"https:\/\/aicats.wiki\/tw\/2025\/11\/15\/69508-html","title":{"rendered":"easyexcel \u5be6\u7528\u6307\u5357\uff1a\u958b\u767c\u8005\u5982\u4f55\u6709\u6548\u7387\u5730\u8655\u7406\u5927\u6279\u91cfExcel \u8cc7\u6599\uff1f"},"content":{"rendered":"

easyexcel \u662f\u963f\u91cc\u5df4\u5df4\u5f00\u6e90\u7684\u9ad8\u6548 Excel \u8bfb\u5199\u5de5\u5177<\/strong>\uff0c\u5c08\u70ba Java \u5f00\u53d1\u8005<\/a>\u89e3\u51b3\u5927\u6279\u91cf\u6570\u636e\u5bfc\u5165\u5bfc\u51fa\u96be\u9898\u3002\u5176\u6d41\u5f0f\u5904\u7406\u3001\u4f4e\u5185\u5b58\u6d88\u8017\u4e0e\u7075\u6d3b\u6269\u5c55<\/strong>\uff0c\u4f7f\u5176\u6210\u4e3a\u767e\u4e07\u7ea7 Excel \u6570\u636e\u573a\u666f\u4e0b\u7684\u9996\u9009\u3002\u672c\u6587\u8be6\u7ec6\u89e3\u6790 easyexcel \u7684\u5de5\u4f5c\u539f\u7406\u3001\u5178\u578b\u5e94\u7528\u4e0e\u5de5\u7a0b\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u6db5\u76d6 \u9ad8\u6027\u80fd\u3001\u4f4e OOM \u98ce\u9669<\/strong> \u7684\u6838\u5fc3\u6280\u5de7\u3002<\/p>\n\n\n\n

\"easyexcel<\/figure>\n\n\n\n

easyexcel\uff1a\u662f\u4ec0\u4e48\uff0c\u8ba9\u5927\u6279\u91cf\u6570\u636e\u5904\u7406\u53d8\u5f97\u8f7b\u677e\uff1f<\/h2>\n\n\n\n

easyexcel \u5de5\u5177\u57fa\u672c\u7b80\u4ecb<\/h3>\n\n\n\n

easyexcel<\/strong> \u662f\u7531\u963f\u91cc\u5df4\u5df4\u5f00\u6e90\u3001\u57fa\u4e8e Java \u7684 Excel \u8bfb\u5199\u89e3\u51b3\u65b9\u6848\uff0c\u652f\u6301 XLS\u3001XLSX \u683c\u5f0f\uff0c\u62e5\u6709\u9ad8\u6548\u3001\u4f4e\u5185\u5b58\u5360\u7528\u3001\u7075\u6d3b\u6269\u5c55\u7b49\u4f18\u70b9\uff0c\u5c24\u5176\u9002\u5408\u5927\u6570\u636e\u91cf\u573a\u666f\u3002\u76f8\u6bd4\u4f20\u7edf POI\u3001JXL \u7b49\u5e93\uff0ceasyexcel \u4fdd\u8bc1\u767e\u4e07\u7ea7\u6570\u636e\u6d41\u5f0f\u8bfb\u5199\u4e0d\u5361\u987f\u3001\u65e0 OOM<\/strong>\u3002<\/p>\n\n\n\n

\u4e3b\u8981\u6280\u672f\u4f18\u52bf<\/h3>\n\n\n\n
\u512a\u52e2<\/th>\u8aaa\u660e<\/th><\/tr>
\u5185\u5b58\u4f18\u5316<\/td>\u6d41\u5f0f\u89e3\u6790\u548c\u5206\u6279\u5199\u5165\uff0c\u4f4e\u5185\u5b58\u538b\u529b<\/td><\/tr>
\u7c21\u55ae\u6613\u7528<\/td>\u6ce8\u89e3\u9a71\u52a8\u3001API \u76f4\u89c2\u3001\u4e0a\u624b\u5feb<\/td><\/tr>
\u652f\u6301\u81ea\u5b9a\u4e49\u8f6c\u6362\u4e0e\u683c\u5f0f\u5316<\/td>\u6ce8\u89e3\u548c\u81ea\u5b9a\u4e49\u8f6c\u6362\u5668\u7075\u6d3b\u914d\u7f6e<\/td><\/tr>
\u54cd\u5e94\u9ad8\u5e76\u53d1\u573a\u666f<\/td>\u65e0\u9700\u5b8c\u6574\u52a0\u8f7d Excel \u5230\u5185\u5b58<\/td><\/tr>
\u4e30\u5bcc\u7684\u76d1\u542c\u4e0e\u4e8b\u4ef6\u673a\u5236<\/td>\u6613\u4e8e\u96c6\u6210\u6570\u636e\u5e93\u64cd\u4f5c\u3001\u6570\u636e\u6821\u9a8c\u903b\u8f91<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u767e\u4e07\u7ea7\u522b\u6570\u636e\u573a\u666f\u4e0b easyexcel \u6838\u5fc3\u5b9e\u7528\u7b56\u7565<\/h2>\n\n\n\n

\u56fa\u5b9a\u6a21\u677f\u7684\u9ad8\u6548\u89e3\u6790\u4e0e\u6279\u91cf\u5165\u5e93<\/h3>\n\n\n\n

\u5c0d\u65bc \u56fa\u5b9a\u8868\u5934\u4e0e\u5b57\u6bb5\u7ed3\u6784<\/strong> \u7684 Excel\uff0ceasyexcel \u5229\u7528\u6ce8\u89e3\u9a71\u52a8 Model \u89e3\u6790\uff0c\u652f\u6301\u6279\u91cf\u9ad8\u6548\u6570\u636e\u5bfc\u5165\u3002<\/p>\n\n\n\n

\"easyexcel\u5b98\u7f51\u9996\u9875\"
\u5716\uff0feasyexcel\u5b98\u7f51\u9996\u9875<\/a><\/figcaption><\/figure>\n\n\n\n\n
@Data\npublic class RuleExcel implements Serializable {\n    @ExcelProperty(value = \"\u89c4\u5219\u540d\u79f0\")\n    private String name;\n    @ExcelIgnore\n    private boolean isSuccess;\n}\n<\/pre>\n\n\n\n\n
\u914d\u5408\u81ea\u5b9a\u4e49 AnalysisEventListener<\/strong> \u76d1\u542c\u5668\uff0c\u53ef\u8fb9\u89e3\u6790\u8fb9\u6279\u91cf\u6301\u4e45\u5316\uff0c\u907f\u514d OOM\u3002<\/p>\n\n\n\n
\u6b65\u9a5f<\/th>\u8aaa\u660e<\/th>\u5173\u952e\u4ee3\u7801\/\u65b9\u6cd5<\/th><\/tr>
\u6570\u636e\u7f13\u5b58<\/td>\u6bcf 500 \u6761\u6570\u636e\u6279\u91cf\u5165\u5e93<\/td>batchCount=500<\/td><\/tr>
\u6821\u9a8c\u8868\u5934<\/td>\u6821\u9a8c Excel \u6a21\u677f\u5b89\u5168<\/td>invokeHeadMap()<\/td><\/tr>
\u884c\u7ea7\u89e3\u6790<\/td>\u89e3\u6790\u4e00\u884c\u6570\u636e\u5373\u5199\u7f13\u51b2\u533a\/\u5165\u5e93<\/td>invoke()<\/td><\/tr>
\u672b\u5c3e\u6536\u5c3e<\/td>\u5b8c\u6210\u540e\u5165\u5e93\u4f59\u4e0b\u6570\u636e<\/td>doAfterAllAnalysed()<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\u5b98\u7f51\u6587\u6863\u7b80\u4ecb\"
\u5716\uff0f\u5b98\u7f51\u6587\u6863\u7b80\u4ecb<\/a><\/figcaption><\/figure>\n\n\n\n\n
public class RuleExcelImportListener extends AnalysisEventListener {\n    private static final int batchCount = 500;\n    private List cacheList = new ArrayList<>(batchCount);\n    private final IRuleExcelService ruleExcelService;\n    @Override\n    public void invoke(RuleExcel data, AnalysisContext context) {\n        cacheList.add(data);\n        if (cacheList.size() >= batchCount) {\n            ruleExcelService.importRuleExcel(cacheList);\n            cacheList.clear();\n        }\n    }\n    @Override\n    public void doAfterAllAnalysed(AnalysisContext context) {\n        ruleExcelService.importRuleExcel(cacheList);\n    }\n}\n<\/pre>\n\n\n\n\n
\"easyexcel
\u5716\uff0feasyexcel \u9879\u76ee\u4e3b\u9875<\/a><\/figcaption><\/figure>\n\n\n\n
\u975e\u56fa\u5b9a\u6a21\u677f\u4e0e\u52a8\u6001\u6570\u636e\u7ed3\u6784\u7684\u89e3\u6790<\/h3>\n\n\n\n
\u5bf9\u4e8e\u7ed3\u6784\u4e0d\u5b9a\u7684 Excel\uff0c\u53ef\u7528 Map \u683c\u5f0f\u81ea\u5b9a\u4e49\u5904\u7406\uff1a<\/p>\n\n\n\n\n
List<Map<Integer, String>> resultList = EasyExcel.read(file.getInputStream())\n                                .headRowNumber(0).doReadAllSync();\n<\/pre>\n\n\n\n\n
\u6bcf\u884c\u6570\u636e\u4ee5\u5217\u7d22\u5f15->\u5355\u5143\u683c\u5185\u5bb9 Map<\/strong>\u8fd4\u56de\uff0c\u4fbf\u4e8e\u81ea\u7531\u4e1a\u52a1\u6821\u9a8c\u5904\u7406\u3002<\/p>\n\n\n\n
\u5f00\u53d1\u5b9e\u64cd\u6307\u5357\uff1aeasyexcel \u7684\u5178\u578b\u7528\u6cd5\u4e0e\u6027\u80fd\u4f18\u5316\u5b9e\u6218<\/h2>\n\n\n\n
\u5178\u578b\u5bfc\u5165\u6d41\u7a0b\u4e0e\u6848\u4f8b\u4ee3\u7801<\/h3>\n\n\n\n
\u6b65\u9a5f<\/th>\u5177\u9ad4\u505a\u6cd5<\/th>\u5173\u952e\u70b9<\/th><\/tr>
1. \u6587\u4ef6\u5408\u6cd5\u6027\u68c0\u67e5<\/td>\u6821\u9a8c Excel \u540e\u7f00\u3001\u5927\u5c0f<\/td>\u9632\u6b62\u683c\u5f0f\u9519\u6216\u6076\u610f\u6587\u4ef6<\/td><\/tr>
2. \u89e3\u6790\u5b9e\u4f53\u5efa\u6a21<\/td>\u7528 @ExcelProperty \u6ce8\u89e3 Java \u6a21\u578b<\/td>\u5b57\u6bb5\u6620\u5c04\u4e00\u81f4\uff0c\u4fbf\u4e8e\u6821\u9a8c<\/td><\/tr>
3. \u76d1\u542c\u6570\u636e\u5904\u7406<\/td>\u5b9e\u73b0 AnalysisEventListener\uff0c\u5206\u6279\u7f13\u5b58<\/td>\u9632 OOM\uff0c\u8bb0\u5f55\u72b6\u6001<\/td><\/tr>
4. \u6279\u91cf\u5165\u5e93<\/td>\u8c03\u7528\u6279\u91cf insert\uff0c\u6279\u5904\u7406\u903b\u8f91<\/td>\u538b\u529b\u5747\u8861\uff0c\u63d2\u5165\u5feb<\/td><\/tr>
5. \u72b6\u6001\u53cd\u9988<\/td>\u6bcf\u884c\u6570\u636e\u63d2\u5165\u7ed3\u679c\u7eaa\u5f55<\/td>\u4e1a\u52a1\u95ed\u73af<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\u5b98\u65b9\u5feb\u901f\u9605\u8bfb\u6559\u7a0b\"
\u5716\uff0f\u5b98\u65b9\u5feb\u901f\u9605\u8bfb\u6559\u7a0b<\/a><\/figcaption><\/figure>\n\n\n\n\n
public void importExcel(MultipartFile file) {\n    InputStream in = new BufferedInputStream(file.getInputStream());\n    ExcelReaderBuilder builder = EasyExcel.read(in, RuleBean.class, new RuleExcelImportListener(ruleService));\n    List<RuleBean> beans = builder.doReadAllSync();\n    \/\/ \u5bfc\u5165\u6210\u529f\u7684\u6570\u636e\u7b5b\u9009\n    List<RuleBean> successList = beans.stream().filter(RuleBean::isSuccess).collect(Collectors.toList());\n}\n<\/pre>\n\n\n\n\n
\u66f4\u591a\u6848\u4f8b\u53ef\u53c2\u8003 easyexcel \u5b98\u65b9\u6587\u6863<\/a>\u3002<\/p>\n\n\n\n
\u6027\u80fd\u8c03\u4f18\u5efa\u8bae\uff08\u5185\u5b58\u4e0e\u5e76\u53d1\u5b9e\u6218\uff09<\/h3>\n\n\n\n