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Recently, there was a query using the general mapper of mybatis. Since I contacted the general mapper, I simply summarized the records so as to help later people. 1, First, put the interface code Mapper.class of mybatis general mapper: package tk.mybatis.mapper.common; import tk.mybatis.mapper.annotation.RegisterMapper; @RegisterMapper publ ...

java implementation of excel import and export and solution Because of the company's business requirements, excel uses the MultipartFile class to import and export tables , here are some key codes. I hope they can help //To obtain the input stream of excel file, it must be. Xlsx suffix. If it is xlsx suffix, use HSSFWorkBook X ...

Use scenarios and versions Use scenarios Export information to excelEnter information from excel table into website database (exercise upload.) excel version Version 03 xls rows Max 65535 rowsVersion 07 xlsx has no limit on the number of rows One serious problem with POI is that it consumes a lot of memory EasyExcel is an open source exce ...

easypoi import verification 1, Basic verification of import Now the product needs to verify the imported Excel. Illegal Excel is not allowed to be warehoused. You need to return specific error information to the front end and prompt the user. The error information needs to include line number and corresponding error. Because EasyPOI supports ...