\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/easyexcel.opensource.alibaba.com\/docs\/current\/<\/a><\/p><\/blockquote>\n \u7528\u6237\u70b9\u51fb\u5bfc\u5165\u6309\u94ae\uff0c\u5c31\u80fd\u591f\u4e0a\u4f20 Excel \u6587\u4ef6\uff0c\u5c06 Excel \u6587\u4ef6\u7684\u6570\u636e\u5bfc\u5165\u5230\u7cfb\u7edf\u4e2d\u3002<\/p>\n \u7528\u6237\u52fe\u9009\u76ee\u6807\u6570\u636e id\uff0c\u70b9\u51fb\u5bfc\u51fa\u6309\u94ae\uff0c\u5c31\u80fd\u5c06\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4ee5 Excel \u6587\u4ef6\u7684\u683c\u5f0f\u4e0b\u8f7d\u5230\u672c\u5730\u3002<\/p>\n \u5bfc\u5165<\/strong>\uff0c\u4ece\u7528\u6237\u7684\u89c6\u89d2\u6765\u770b\uff0c\u5c31\u662f\u5bfc\u5165 Excel \u6587\u4ef6\uff1b\u4ece\u5f00\u53d1\u8005\u7684\u89c6\u89d2\uff0c\u6216\u8005\u8bf4\u7cfb\u7edf\u7684\u89c6\u89d2\u6765\u770b\uff0c\u5c31\u662f\u8bfb\u53d6<\/strong>\u7528\u6237\u7684 Excel \u6587\u4ef6\u7684\u6570\u636e\u5230\u7cfb\u7edf\u4e2d\uff08\u5b9e\u9645\u4e0a\u662f\u8bfb\u53d6\u5230\u8ba1\u7b97\u673a\u7684\u5185\u5b58\u4e2d<\/strong>\uff09\uff0c\u6700\u540e\u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5b58\u50a8\u5230\u6570\u636e\u5e93\uff0cEasyExcel \u5728\u5bfc\u5165\u7684\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u4e86\u8bfb\u64cd\u4f5c<\/strong>\u3002<\/p>\n \u5bfc\u51fa<\/strong>\uff0c\u540c\u7406\uff0c\u7528\u6237\u7684\u89c6\u89d2\u5c31\u662f\u5bfc\u51fa\uff0c\u5f00\u53d1\u8005\u7684\u89c6\u89d2\u5c31\u662f\u628a\u7cfb\u7edf\u7684\u6570\u636e\u5199\u5165<\/strong>\u5230\u7528\u6237\u7684\u8ba1\u7b97\u673a\u4e0a\uff0c\u5373\u5199\u64cd\u4f5c<\/strong>\u3002<\/p>\n \u7b80\u800c\u8a00\u4e4b\uff0c\u6d89\u53ca IO \u64cd\u4f5c\u7684\uff0c\u89c6\u89d2\u4e0d\u540c\uff0c\u8bf4\u6cd5\u4e0d\u540c<\/strong>\uff08\u521d\u5b66IO\u65f6\u5c31\u6ca1\u641e\u6e05\u695a\uff0c\u4e3a\u6211\u540e\u7eed\u7684\u5b66\u4e60\u7559\u4e0b\u4e86\u5927\u5751T_T\uff01\uff09\u3002<\/p>\n \u5f53\u7136\u6211\u4eec\u4e5f\u53ef\u4ee5\u628a\u5bfc\u5165\u8bf4\u6210\u5199\u64cd\u4f5c\uff0c\u6bd5\u7adf\u6570\u636e\u662f\u6700\u7ec8\u662f\u5b58\u50a8\u5728\u7cfb\u7edf\u7684\u6570\u636e\u5e93\u4e2d\u7684\uff0c\u5373\u5199\u5230\u4e86\u7cfb\u7edf\u7684\u6570\u636e\u5e93\u91cc\u4e86\u3002\u81ea\u5df1\u522b\u641e\u6df7\u4e86\u5c31\u884c\u3002<\/p>\n \u672c Demo \u4f7f\u7528 Spring Boot \u6784\u5efa\uff0c\u914d\u5408 MyBaits Plus\uff0c\u4ee5\u6e38\u620f\u6570\u636e<\/strong>\u7684\u5bfc\u5165\u548c\u5bfc\u51fa<\/strong>\u4f5c\u4e3a\u9700\u6c42\uff1b\u4e00\u4e9b\u5de5\u5177\u4f9d\u8d56\u5982\u4e0b\uff1a<\/p>\n \u4eca\u5929 EasyExcel \u4e3b\u83dc\uff0c\u9700\u8981\u52a0\u5176\u4f9d\u8d56\u624d\u80fd\u98df\u7528~<\/p>\n \u54b1\u4eec\u7684\u6e38\u620f\u7c7b\u5c31\u8fd9\u4e9b\u5c5e\u6027\uff1aid\u3001\u6e38\u620f\u540d\u79f0\u3001\u4ef7\u683c\u3001uuid\uff0c\u53d1\u552e\u65e5\u671f\u3001\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4<\/strong><\/p>\n \u5565\u662f\u6a21\u578b\uff1f\u522b\u614c\uff0c\u5148\u5047\u8bbe\u9700\u8981\u5bfc\u5165\u7684 Excel \u8868\u683c\u957f\u8fd9\u6837\uff1a<\/p>\n \u90a3\u4e48\u8fd9\u4e2a\u5c31\u662f\u6240\u8c13\u7684\u6a21\u578b<\/strong>\u5566\uff0c\u4e0d\u7ba1\u662f\u8bfb<\/strong>\u8fd8\u662f\u5199<\/strong>\uff0c\u90fd\u9700\u8981\u76f8\u5bf9\u5e94\u7684\u5bf9\u8c61\uff0c\u6240\u4ee5\u4e00\u822c\u4f1a\u7f16\u5199\u4e00\u4e2a\u8bfb\u5bf9\u8c61\u7684\u7c7b\u548c\u5199\u5bf9\u8c61\u7684\u7c7b<\/strong>\uff0c\u5f53\u7136\uff0c\u5982\u679c\u8bfb\u5199\u7684\u8868\u5934\u5b57\u6bb5\u90fd\u662f\u4e00\u6a21\u4e00\u6837\uff0c\u76f4\u63a5\u4e00\u4e2a\u7c7b\u5c31\u53ef\u4ee5\u4e86\uff0c\u5bfc\u5165\u5bfc\u51fa\u90fd\u7528\u8fd9\u4e2a\u7c7b\u3002<\/p>\n \u8bfb\u5bf9\u8c61- \u5199\u5bf9\u8c61- \u7528\u6237\u70b9\u51fb\u5bfc\u5165\u6309\u94ae\uff0c\u5c31\u80fd\u591f\u4e0a\u4f20 Excel \u6587\u4ef6\uff0c\u5c06 Excel \u6587\u4ef6\u7684\u6570\u636e\u5bfc\u5165\u5230\u7cfb\u7edf\u4e2d\u3002<\/p><\/blockquote>\n \u524d\u7aef\u5b9e\u73b0\u4e00\u4e2a\u4e0a\u4f20\u6587\u4ef6\u7684\u6309\u94ae\uff0c\u540e\u7aef\u5c31\u63a5\u6536\u8fd9\u4e2a\u6587\u4ef6\uff0c\u8bfb\u53d6\u8fd9\u4e2a\u6587\u4ef6\u7684\u6570\u636e\uff0c\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n \u642d\u4e2a\u6574\u4f53\u7684\u4ee3\u7801\u6846\u67b6\u5148\uff01<\/p>\n \u5bf9\u4e8e\u8bfb\u53d6\uff0c\u6709\u4e00\u4e2a\u76d1\u542c\u5668\u9700\u8981\u6211\u4eec\u5b9e\u73b0\uff0c\u6839\u636e\u6587\u6863\u7684\u8bf4\u660e\uff0c\u8fd9\u4e2a\u76d1\u542c\u5668\u662f\u4e0d\u53ef\u4ee5<\/strong>\u8ba9 Spring \u6765\u7ba1\u7406\u7684\u3002<\/p>\n \u6709\u4e2a\u5f88\u91cd\u8981\u7684\u70b9 DemoDataListener \u4e0d\u80fd\u88ab spring\u7ba1\u7406\uff0c\u8981\u6bcf\u6b21\u8bfb\u53d6 excel\u90fd\u8981 new\uff0c\u7136\u540e\u91cc\u9762\u7528\u5230 spring \u53ef\u4ee5\u6784\u9020\u65b9\u6cd5\u4f20\u8fdb\u53bb<\/em><\/p><\/blockquote>\n \u6240\u4ee5\u6211\u4eec\u4e5f\u4e0d\u9700\u8981<\/strong>\u52a0\u4e0a \u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff0c\u9700\u8981\u77e5\u9053\u7684\u662f\uff1a<\/p>\n \u4f46\u662f\uff01\u5982\u679c\u6211\u4eec\u60f3\u8981\u4f7f\u7528 Spring IOC \u7ba1\u7406\u5bf9\u8c61\uff0c\u6bd4\u5982 Dao\u3001Mapper \u8fd9\u4e9b\u5bf9\u8c61\uff0c\u73b0\u5728\u5f53\u524d\u7c7b\u662f\u7528\u4e0d\u4e86 \u65b9\u6cd5\u5c31\u662f\uff1a\u5728\u8be5\u7c7b\u4e2d\u5199\u4e00\u4e2a\u6784\u9020\u65b9\u6cd5\uff0c\u5c06\u8fd9\u4e9b\u88ab Spring \u7ba1\u7406\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u8fdb\u6765\uff01<\/strong><\/p>\n \u6bd4\u5982\u6211\u8fd9\u91cc\u9700\u8981\u7528\u5230 \u4f7f\u7528 Postman \u6d4b\u8bd5\uff0c\u8bf7\u6c42\u540e\u7aef\u7684\u5bfc\u5165 Excel \u7684\u63a5\u53e3\uff0c\u5728 Postman \u4e2d\u9009\u597d Post \u8bf7\u6c42\u5e76\u4e14\u8f93\u5165\u8bf7\u6c42\u8def\u5f84\u3002<\/p>\n \u70b9\u51fb Headers \u8bbe\u7f6e\u8bf7\u6c42\u5934\uff1a<\/p>\n \u70b9\u51fb Body \u8bbe\u7f6e\u8bf7\u6c42\u4f53\uff1a<\/p>\n \u6d4b\u8bd5\u7ed3\u679c\uff1a<\/p>\n \u53ef\u4ee5\u770b\u5230Excel\u4e2d\u7684\u6570\u636e\u6210\u529f\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u4e86\uff0c\u8fd9\u5c31\u5b8c\u6210\u4e86\u5bfc\u5165\u7684\u529f\u80fd\uff01<\/strong><\/p>\n \u7528\u6237\u52fe\u9009\u76ee\u6807\u6570\u636e id\uff0c\u70b9\u51fb\u5bfc\u51fa\u6309\u94ae\uff0c\u5c31\u80fd\u5c06\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4ee5 Excel \u6587\u4ef6\u7684\u683c\u5f0f\u4e0b\u8f7d\u5230\u672c\u5730\u3002<\/p><\/blockquote>\n \u7ec6\u8282\uff1a\u9700\u8981\u5bfc\u51fa\u7684\u6587\u4ef6\u540d\u79f0\u4e3a\u8fd9\u79cd\u683c\u5f0f\uff1a\u6e38\u620f\u5217\u8868-2022-11-11-12-30-00.xlsx<\/p>\n \u5728\u8fd9\u4e2a\u5bfc\u51fa\u6587\u4ef6\u7684\u573a\u666f\u4e0b\uff0c\u5c31\u9700\u8981\u540e\u7aef\u8fd4\u56de\u524d\u7aef\u6587\u4ef6\u6570\u636e\uff0c\u540e\u7aef\u6709\u4e24\u79cd\u65b9\u5f0f\u53ef\u4ee5\u8fd4\u56de\uff0c\u8ba9\u524d\u7aef\u8fdb\u884c\u4e0b\u8f7d\u3002<\/p>\n \u7531\u4e8e\u6211\u4eec\u7684\u6570\u636e\u662f\u5728\u6570\u636e\u5e93\u4e2d\u7684\uff0c\u5e76\u4e0d\u662f\u76f4\u63a5\u5b58\u50a8 Excel \u6587\u4ef6\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u4ee5\u4e8c\u8fdb\u5236\u6d41\u7684\u5f62\u5f0f\u8fd4\u56de\u6587\u4ef6\u6d41\u7ed9\u524d\u7aef\uff0c\u8ba9\u524d\u7aef\u4e0b\u8f7d\u3002<\/p>\n \u770b\u770b EasyExcel \u7684 write \u65b9\u6cd5\u7b7e\u540d\uff0c\u91cc\u9762\u6709\u597d\u591a\u4e2a\u91cd\u8f7d\u7684 write \u65b9\u6cd5\uff0c\u6211\u4eec\u770b\u770b\u8fd9\u4e2a\u5c31\u884c\uff1a<\/p>\n \u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n \u7528 Set \u96c6\u5408\u53bb\u91cd\uff0c\u9632\u6b62\u591a\u6b21\u67e5\u8be2\u540c\u4e00\u6570\u636e\u3002<\/p>\n \u4e3b\u8981\u903b\u8f91\u662f\u53bb\u6570\u636e\u5e93\u67e5\u8be2\u51fa\u9700\u8981\u5bfc\u51fa\u7684\u6570\u636e\uff0c\u7136\u540e\u8f6c\u6210\u5bf9\u5e94\u7684\u5bfc\u51fa\u6a21\u578b\u5bf9\u8c61\uff0c\u6700\u540e\u4f7f\u7528 EasyExcel \u7684 write() \u65b9\u6cd5\u5c06\u6570\u636e\u5199\u5230\u8f93\u51fa\u6d41\u3002<\/p>\n \u4ee5\u8bf7\u6c42\u4f53\u7684\u65b9\u5f0f\u4f20\u9012\u4e00\u4e2a\u9700\u8981\u5bfc\u51fa\u7684\u6e38\u620f\u7684 uuid \u6570\u7ec4<\/p>\n \u70b9\u51fb Send \u6309\u94ae\u65c1\u8fb9\u7684\u4e09\u89d2\u7b26\u53f7\uff0c\u70b9\u51fb Send and Download\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e0b\u8f7d\u4e86\uff0c\u6700\u540e\u4e0b\u8f7d\u7684 Excel \u6253\u5f00\u540e\u5982\u4e0b\uff1a<\/p>\n \u989d\uff0c\u7ffb\u8f66\uff0c\u683c\u5f0f\u6709\u70b9\u70b9\u95ee\u9898\uff0c\u95ee\u9898\u4e0d\u5927\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u62e6\u622a\u5668\u5e2e\u6211\u4eec\u5904\u7406\u5355\u5143\u683c\u3002<\/p>\n \u62ff\u6765\u4e3b\u4e49\uff0c\u5199\u6cd5\u57fa\u672c\u662f\u8fd9\u6837\uff1a<\/p>\n\u9700\u6c42<\/h2>\n
\u5206\u6790<\/h2>\n
\u51c6\u5907<\/h2>\n
<dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.7.10<\/version>\n<\/dependency>\n<dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>fastjson<\/artifactId>\n <version>1.2.72<\/version>\n<\/dependency>\n<dependency>\n <groupId>org.apache.commons<\/groupId>\n <artifactId>commons-lang3<\/artifactId>\n <version>3.1<\/version>\n<\/dependency>\n<dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n<\/dependency>\n<dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n<\/dependency><\/code><\/pre>\n\u4f9d\u8d56<\/h3>\n
<dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>easyexcel<\/artifactId>\n <version>2.2.7<\/version>\n<\/dependency><\/code><\/pre>\n\u914d\u7f6e<\/h3>\n
server:\n port: 4790\n\nspring:\n application:\n name: easyexcel-demo\n datasource:\n driver-class-name: com.mysql.jdbc.Driver\n url: jdbc:mysql:\/\/localhost:3306\/easy_excel_demo?useUnicode=true&autoReconnect=true&serverTimezone=GMT%2B8&zeroDateTimeBehavior=convertToNull&characterEncoding=utf8\n username: root\n password: 123456\n<\/code><\/pre>\n\u6e38\u620f\u5b9e\u4f53\u7c7b<\/h3>\n
\/**\n * @author god23bin\n * @version 1.0\n * @description \u6e38\u620f\n * @date 2022\/10\/21 16:51:02\n *\/\n@Data\n@TableName("t_game")\npublic class Game {\n\n @TableId(type = IdType.AUTO)\n private Long id;\n\n private String name;\n\n private Double price;\n\n @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")\n @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss" ,timezone = "GMT+8")\n private Date releaseDate;\n\n @TableField(fill = FieldFill.INSERT)\n private String uuid;\n\n @TableField(fill = FieldFill.INSERT)\n @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")\n @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss" ,timezone = "GMT+8")\n private Date gmtCreate;\n\n @TableField(fill = FieldFill.INSERT_UPDATE)\n @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")\n @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss" ,timezone = "GMT+8")\n private Date gmtModified;\n}<\/code><\/pre>\n\u6a21\u578b<\/h3>\n
<\/p>\n
\u8bfb\u5bf9\u8c61<\/h4>\n
GameImportExcelModel<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description Game \u5bfc\u5165\u7684 Excel \u6570\u636e\u6a21\u578b\uff08\u8bfb\u5bf9\u8c61\uff09\n * @date 2022\/10\/21 17:18:50\n *\/\n@Data\npublic class GameImportExcelModel {\n\n private String name;\n\n private Double price;\n\n private Date releaseDate;\n}<\/code><\/pre>\n\u5199\u5bf9\u8c61<\/h4>\n
GameExportExcelModel<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description Game \u5bfc\u51fa\u7684 Excel \u6570\u636e\u6a21\u578b\uff08\u5199\u5bf9\u8c61\uff09\n * @date 2022\/10\/21 17:18:50\n *\/\n@Data\npublic class GameExportExcelModel {\n\n @ExcelProperty("\u6e38\u620fID")\n private Long id;\n\n @ExcelProperty("\u6e38\u620f\u540d")\n private String name;\n\n @ExcelProperty("\u4ef7\u683c")\n private Double price;\n\n @ExcelProperty("\u53d1\u552e\u65e5\u671f")\n private Date releaseDate;\n}<\/code><\/pre>\n\u5b9e\u73b0<\/h2>\n
\u5bfc\u5165\u529f\u80fd<\/h3>\n
\u5f00\u80c3\u83dc-\u540e\u7aef<\/h4>\n
\u6301\u4e45\u5c42<\/h5>\n
GameMapper<\/code>\uff1a<\/p>\n@Mapper\npublic interface GameMapper extends BaseMapper<Game> {\n}<\/code><\/pre>\n\u4e1a\u52a1\u5c42<\/h5>\n
GameService<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description\n * @date 2022\/11\/8 14:36:43\n *\/\npublic interface GameService {\n\n \/**\n * \u5bfc\u5165Excel\u6570\u636e\u5230\u6570\u636e\u5e93\n * @date 2022\/11\/8 14:38\n * @param file Excel\u6587\u4ef6\n * @return boolean\n **\/\n boolean importExcel(MultipartFile file);\n \n}<\/code><\/pre>\nGameServiceImpl<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description\n * @date 2022\/11\/8 14:40:08\n *\/\n@Slf4j\n@Service\npublic class GameServiceImpl extends ServiceImpl<GameMapper, Game> implements GameService {\n\n @Resource\n private GameMapper gameMapper;\n\n \/**\n * \u5bfc\u5165Excel\u6570\u636e\u5230\u6570\u636e\u5e93\n *\n * @param file Excel\u6587\u4ef6\n * @return boolean\n * @date 2022\/11\/8 14:38\n **\/\n @Override\n public boolean importExcel(MultipartFile file) {\n \/\/ \u8fd9\u91cc\u5c31\u9700\u8981\u7528\u5230\u300c\u8bfb\u76d1\u542c\u5668\u300d\u4e86\uff0c\u9700\u8981\u6211\u4eec\u81ea\u5df1\u5b9e\u73b0\n return null;\n }\n\n}<\/code><\/pre>\n\u63a7\u5236\u5c42<\/h5>\n
GameController<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description\n * @date 2022\/11\/8 14:31:50\n *\/\n@RestController\npublic class GameController {\n\n @Resource\n private GameService gameService;\n\n @PostMapping("\/excel\/import\/game")\n public ResponseEntity<String> importExcel(@RequestPart("file") MultipartFile file) {\n gameService.importExcel(file);\n return new ResponseEntity<>("OK", HttpStatus.OK);\n }\n}<\/code><\/pre>\n\u6b63\u9910-\u8bfb\u6570\u636e\u9700\u8981\u7528\u5230\u7684\u76d1\u542c\u5668<\/h4>\n
@Component<\/code> \u6ce8\u89e3\u628a\u8fd9\u4e2a\u7c7b\u4f5c\u4e3a\u7ec4\u4ef6\u8ba9 Spring \u626b\u63cf\u3002\u76f4\u63a5\u4e00\u4e2a\u666e\u901a\u7684\u7c7b\u5c31\u884c<\/strong>\u3002<\/p>\n\n
GameImportExcelListener<\/code>\uff1a<\/p>\n\/**\n * @author god23bin\n * @version 1.0\n * @description\n * @date 2022\/10\/24 08:45:15\n *\/\n@Slf4j\npublic class GameImportExcelListener extends AnalysisEventListener<GameImportExcelModel> {\n\n \/**\n * \u6bcf\u9694100\u6761\u5b58\u50a8\u5230\u6570\u636e\u5e93\uff0c\u7136\u540e\u6e05\u7406list \uff0c\u65b9\u4fbf\u5185\u5b58\u56de\u6536\n *\/\n private static final int BATCH_COUNT = 100;\n\n \/**\n * \u7f13\u5b58\u7684\u6570\u636e\n *\/\n private List<Game> cachedDataList = new ArrayList<>(BATCH_COUNT);\n\n \/**\n * \u6bcf\u89e3\u6790\u4e00\u884c\u6570\u636e\u5c31\u4f1a\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\n *\n * @param data one row value. Is is same as {@link AnalysisContext#readRowHolder()}\n * @param context\n *\/\n @Override\n public void invoke(GameImportExcelModel data, AnalysisContext context) {\n log.info("\u89e3\u6790\u5230\u4e00\u6761\u6570\u636e:{}", JSON.toJSONString(data));\n Game game = new Game();\n BeanUtil.copyProperties(data, game);\n cachedDataList.add(game);\n if (cachedDataList.size() >= BATCH_COUNT) {\n saveData();\n \/\/ \u5b58\u50a8\u5b8c\u6210\u6e05\u7406 list\n cachedDataList.clear();\n }\n }\n\n private void saveData() {\n \/\/ \u8fd9\u91cc\u5199\u5b58\u50a8\u5230\u6570\u636e\u5e93\u7684\u903b\u8f91\u4ee3\u7801\n }\n\n \/**\n * \u89e3\u6790\u5b8c\u4e4b\u540e\u4f1a\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u5176\u4ed6\u4e8b\u60c5\u9700\u8981\u505a\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u52a0\u4e0a\u4ee3\u7801\u6765\u5b8c\u6210\n *\n * @param context\n *\/\n @Override\n public void doAfterAllAnalysed(AnalysisContext context) {\n \/\/ \u8fd9\u91cc\u4e5f\u8981\u4fdd\u5b58\u6570\u636e\uff0c\u786e\u4fdd\u6700\u540e\u9057\u7559\u7684\u6570\u636e\u4e5f\u5b58\u50a8\u5230\u6570\u636e\u5e93\n saveData();\n log.info("\u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\uff01");\n }\n}<\/code><\/pre>\n@Autowired<\/code> \u6ce8\u89e3\u5c06\u8fd9\u4e9b\u5bf9\u8c61\u6ce8\u5165\u7684\uff0c\u90a3\u6211\u4eec\u600e\u4e48\u83b7\u53d6\u5b83\u4eec\uff1f<\/strong><\/p>\nGameMapper<\/code> \u5bf9\u8c61\uff0c\u90a3\u4e48\u5c31\u5c06\u5b83\u4f5c\u6784\u9020\u65b9\u6cd5\u7684\u53c2\u6570\u4f20\u8fdb\u6765\u3002<\/p>\n@Slf4j\npublic class GameImportExcelListener extends AnalysisEventListener<GameImportExcelModel> {\n\n \/\/ \u7701\u7565\u5176\u4ed6\u4ee3\u7801\n \n private GameMapper gameMapper;\n \n public GameImportExcelListener(GameMapper gameMapper) {\n this.gameMapper = gameMapper;\n }\n\n @Override\n public void invoke(GameImportExcelModel data, AnalysisContext context) {\n \/\/ ...\n }\n\n private void saveData() {\n \/\/ ...\n }\n\n @Override\n public void doAfterAllAnalysed(AnalysisContext context) {\n \/\/ ...\n }\n}<\/code><\/pre>\n\u5b8c\u6574\u7684\u76d1\u542c\u5668\u4ee3\u7801<\/h5>\n
GameImportExcelListener<\/code>\uff1a<\/p>\npackage cn.god23bin.demo.excel.listener;\n\nimport cn.god23bin.demo.entity.Game;\nimport cn.god23bin.demo.excel.bean.GameImportExcelModel;\nimport cn.god23bin.demo.mapper.GameMapper;\nimport cn.hutool.core.bean.BeanUtil;\nimport com.alibaba.excel.context.AnalysisContext;\nimport com.alibaba.excel.event.AnalysisEventListener;\nimport com.alibaba.fastjson.JSON;\nimport lombok.extern.slf4j.Slf4j;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\n\/**\n * @author zwb\n * @version 1.0\n * @description\n * @date 2022\/10\/24 08:45:15\n *\/\n@Slf4j\npublic class GameImportExcelListener extends AnalysisEventListener<GameImportExcelModel> {\n\n \/**\n * \u6bcf\u9694100\u6761\u5b58\u50a8\u5230\u6570\u636e\u5e93\uff0c\u7136\u540e\u6e05\u7406list \uff0c\u65b9\u4fbf\u5185\u5b58\u56de\u6536\n *\/\n private static final int BATCH_COUNT = 100;\n\n \/**\n * \u7f13\u5b58\u7684\u6570\u636e\n *\/\n private List<Game> cachedDataList = new ArrayList<>(BATCH_COUNT);\n\n private GameMapper gameMapper;\n\n public GameImportExcelListener(GameMapper gameMapper) {\n this.gameMapper = gameMapper;\n }\n\n \/**\n * \u6bcf\u89e3\u6790\u4e00\u884c\u6570\u636e\u5c31\u4f1a\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\n *\n * @param data one row value. Is is same as {@link AnalysisContext#readRowHolder()}\n * @param context\n *\/\n @Override\n public void invoke(GameImportExcelModel data, AnalysisContext context) {\n log.info("\u89e3\u6790\u5230\u4e00\u6761\u6570\u636e:{}", JSON.toJSONString(data));\n Game game = new Game();\n BeanUtil.copyProperties(data, game);\n cachedDataList.add(game);\n if (cachedDataList.size() >= BATCH_COUNT) {\n saveData();\n \/\/ \u5b58\u50a8\u5b8c\u6210\u6e05\u7406 list\n cachedDataList.clear();\n }\n }\n\n private void saveData() {\n \/\/ \u8fd9\u91cc\u5199\u5b58\u50a8\u5230\u6570\u636e\u5e93\u7684\u903b\u8f91\u4ee3\u7801\n for (Game game : cachedDataList) {\n gameMapper.insert(game);\n }\n }\n\n \/**\n * \u89e3\u6790\u5b8c\u4e4b\u540e\u4f1a\u6267\u884c\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5982\u679c\u6709\u5176\u4ed6\u4e8b\u60c5\u9700\u8981\u505a\uff0c\u53ef\u4ee5\u5728\u8fd9\u91cc\u52a0\u4e0a\u4ee3\u7801\u6765\u5b8c\u6210\n *\n * @param context\n *\/\n @Override\n public void doAfterAllAnalysed(AnalysisContext context) {\n \/\/ \u8fd9\u91cc\u4e5f\u8981\u4fdd\u5b58\u6570\u636e\uff0c\u786e\u4fdd\u6700\u540e\u9057\u7559\u7684\u6570\u636e\u4e5f\u5b58\u50a8\u5230\u6570\u636e\u5e93\n saveData();\n log.info("\u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\uff01");\n }\n}\n<\/code><\/pre>\n\u5b8c\u5584\u4e1a\u52a1\u5c42<\/h4>\n
\n
EasyExcel.read()<\/code> \u65b9\u6cd5\u6784\u5efa\u4e00\u4e2a Excel reader builder\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6587\u4ef6\u8f93\u5165\u6d41\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8bfb\u5bf9\u8c61\uff0c\u6307\u5b9a\u5b83\u8fd9\u4e2aclass\u53bb\u8bfb\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u5c31\u662f\u8bfb\u76d1\u542c\u5668<\/li>\nsheet()<\/code> \u65b9\u6cd5\u548c doRead()<\/code> \u65b9\u6cd5\uff0c\u5b8c\u6210\u6574\u4e2a Excel \u7684\u8bfb\u53d6\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n@Slf4j\n@Service\npublic class GameServiceImpl extends ServiceImpl<GameMapper, Game> implements GameService {\n\n @Resource\n private GameMapper gameMapper;\n\n \/**\n * \u5bfc\u5165Excel\u6570\u636e\u5230\u6570\u636e\u5e93\n *\n * @param file Excel\u6587\u4ef6\n * @return boolean\n * @date 2022\/11\/8 14:38\n **\/\n @Override\n public boolean importExcel(MultipartFile file) {\n try {\n \/\/ \u4f7f\u7528 EasyExcel.read() \u65b9\u6cd5\u6784\u5efa\u4e00\u4e2a Excel reader builder\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6587\u4ef6\u8f93\u5165\u6d41\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8bfb\u5bf9\u8c61\uff0c\u6307\u5b9a\u5b83\u8fd9\u4e2aclass\u53bb\u8bfb\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u5c31\u662f\u8bfb\u76d1\u542c\u5668\n EasyExcel.read(file.getInputStream(), GameImportExcelModel.class, new GameImportExcelListener(gameMapper))\n .sheet()\n .doRead();\n } catch (IOException e) {\n log.error("Error importing: {}", e.getMessage());\n return false;\n }\n return true;\n }\n\n}<\/code><\/pre>\n\u6d4b\u8bd5<\/h4>\n
\n
multipart\/form-data<\/code><\/li>\n<\/ul>\n\n
file<\/code>\uff0c\u4fbf\u53ef\u4ee5\u9009\u62e9\u6587\u4ef6\u8fdb\u884c\u4e0a\u4f20\u4e86<\/li>\n<\/ul>\n<\/p>\n
<\/p>\n
\u5bfc\u51fa\u529f\u80fd<\/h3>\n
\n
public static ExcelWriterBuilder write(OutputStream outputStream, Class head)<\/code><\/p>\n\n
\u4ee3\u7801<\/h4>\n
\u4e3b\u8981\u903b\u8f91<\/h5>\n
\/\/ \u5047\u8bbe\u8fd9\u91cc\u662f\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u7684\u96c6\u5408\nList<Game> data = ...;\n\/\/ \u6587\u4ef6\u683c\u5f0f\nString fileName = new String("");\nString format = "yyyy-MM-dd-HH-mm-ss";\nfileName = fileName + DateUtil.format(new Date(), format);\n\/\/ \u5c06\u6570\u636e\u5199\u5230\u8f93\u51fa\u6d41\u8fd4\u56de\u7ed9\u524d\u7aef\nEasyExcel.write(ExcelUtil.getResponseOutputStream(fileName, response), GameExportExcelModel.class)\n .sheet("\u5de5\u4f5c\u7c3f")\n .doWrite(dataList);<\/code><\/pre>\nExcel \u5de5\u5177\u7c7b<\/h5>\n
\/**\n * @author god23bin\n * @version 1.0\n * @description Excel \u5de5\u5177\u7c7b\n * @date 2022\/11\/18 17:55:48\n *\/\npublic class ExcelUtil {\n\n \/**\n * \u83b7\u53d6\u54cd\u5e94\u8f93\u51fa\u6d41\n * @date 2022\/11\/18 18:10\n * @param fileName \u6587\u4ef6\u540d\n * @param response \u54cd\u5e94\n * @return java.io.OutputStream\n **\/\n public static OutputStream getResponseOutputStream(String fileName, HttpServletResponse response) {\n try {\n \/\/ \u7ed9\u6587\u4ef6\u540d\u7f16\u7801\uff0c\u5219\u524d\u7aef\u63a5\u6536\u540e\u8fdb\u884c\u89e3\u7801\n fileName = URLEncoder.encode(fileName, "UTF-8");\n \/\/ \u6307\u5b9a\u5ba2\u6237\u7aef\u63a5\u6536\u7684\u54cd\u5e94\u5185\u5bb9\u7c7b\u578b\u4e3aExcel\u4ee5\u53ca\u5b57\u7b26\u7f16\u7801\u4e3aUTF-8\n response.setContentType("application\/vnd.ms-excel");\n response.setCharacterEncoding("utf8");\n \/\/ \u8ba9\u6d4f\u89c8\u5668\u63d0\u4f9b\u6253\u5f00\u3001\u4fdd\u5b58\u7684\u5bf9\u8bdd\u6846\uff0c\u4ee5\u9644\u4ef6\u7684\u5f62\u5f0f\u4e0b\u8f7d\uff0c\u540c\u65f6\u8bbe\u7f6e\u6587\u4ef6\u540d\u683c\u5f0f\n response.setHeader("Content-Disposition", "attachment; filename=" + fileName + ".xlsx");\n \/\/ \u7981\u6b62\u7f13\u5b58\n response.setHeader("Cache-Control", "no-store");\n response.addHeader("Cache-Control", "max-age=0");\n return response.getOutputStream();\n } catch (IOException e) {\n e.printStackTrace();\n }\n return null;\n }\n}<\/code><\/pre>\n\u63a7\u5236\u5c42<\/h4>\n
@PostMapping("\/excel\/export\/game")\n public ResponseEntity<String> exportExcel(@RequestBody Set<String> uuidList, HttpServletResponse response) {\n gameService.exportExcel(new ArrayList<>(uuidList), response);\n return new ResponseEntity<>("OK", HttpStatus.OK);\n }<\/code><\/pre>\n\u4e1a\u52a1\u5c42<\/h4>\n
\/**\n * \u5bfc\u51fa\u6570\u636e\u5e93\u8bb0\u5f55\u5230Excel\n *\n * @param uuidList uuid\u96c6\u5408\n * @param response \u54cd\u5e94\n * @return boolean\n * @date 2022\/11\/11 14:23\n **\/\n @Override\n public boolean exportExcel(List<String> uuidList, HttpServletResponse response) {\n \/\/ \u6839\u636euuid\u627e\u5230\u9700\u8981\u5bfc\u51fa\u7684\u8bb0\u5f55\u96c6\u5408\n LambdaQueryWrapper<Game> achievementWrapper = new LambdaQueryWrapper<>();\n achievementWrapper.in(Game::getUuid, uuidList);\n achievementWrapper.orderByDesc(Game::getGmtCreate);\n List<Game> games = this.baseMapper.selectList(achievementWrapper);\n \/\/ \u5c06\u67e5\u8be2\u5230\u7684\u6570\u636e\u8f6c\u6362\u6210\u5bf9\u5e94Excel\u7684\u5bfc\u51fa\u6a21\u578b\u5bf9\u8c61\n List<GameExportExcelModel> dataList = games.stream().map(game -> {\n GameExportExcelModel gameExportExcelModel = new GameExportExcelModel();\n BeanUtil.copyProperties(game, gameExportExcelModel);\n return gameExportExcelModel;\n }).collect(Collectors.toList());\n \/\/ \u6587\u4ef6\u683c\u5f0f\n String fileName = new String("");\n String format = "yyyy-MM-dd-HH-mm-ss";\n fileName = fileName + DateUtil.format(new Date(), format);\n \/\/ \u5c06\u6570\u636e\u5199\u5230\u8f93\u51fa\u6d41\u8fd4\u56de\u7ed9\u524d\u7aef\n EasyExcel.write(ExcelUtil.getResponseOutputStream(fileName, response), GameExportExcelModel.class)\n .sheet("\u5de5\u4f5c\u7c3f")\n .doWrite(dataList);\n return true;\n }<\/code><\/pre>\n\u6d4b\u8bd5<\/h4>\n
<\/p>\n
<\/p>\n
\u81ea\u5b9a\u4e49\u62e6\u622a\u5668<\/h4>\n