FASTEXCEL WRITER framework and Excel data export practical guide

FASTEXCEL WRITER framework and Excel data export practical guide Exporting data to Excel is a common needs in many Java applications.Fastexcel Writer is a high -performance Java library that can easily export the data to the Excel file.This article will introduce the use of the Fastexcel Writer framework and provide some practical guidelines to help you successfully realize the data exporting data to Excel in Java applications. 1. Import Fastexcel Writer Library To use the Fastexcel Writer framework, you need to import it into your Java project.You can add dependencies to the Maven project through the following ways: <dependency> <groupId>com.github.nagarajanchinnasamy</groupId> <artifactId>fastexcel-writer</artifactId> <version>0.14</version> </dependency> 2. Create an excel file and worksheet Before starting the data, you need to create an excel file and at least one worksheet.Here are a simple code example to demonstrate how to create an excel file and add a worksheet: import com.github.nagarajanchinnasamy.excel.writer.DefaultWorkbook; import com.github.nagarajanchinnasamy.excel.writer.Workbook; import com.github.nagarajanchinnasamy.excel.writer.Worksheet; Workbook workbook = new DefaultWorkbook(); Worksheet worksheet = workbook.createWorksheet("Sheet1"); 3. Add data to the worksheet Once you create a working meter, you can start adding the data to it.Fastexcel Writer provides multiple methods to add data, including the operation of cells, lines and columns.Here are some examples of examples, demonstrate how to add data to the worksheet: import com.github.nagarajanchinnasamy.excel.writer.CellStyle; import com.github.nagarajanchinnasamy.excel.writer.CellType; import com.github.nagarajanchinnasamy.excel.writer.CellValue; // Add the value to the cell Worksheet.SetValue (0, 0, New Cellvalue ("Name"); // Add string value Worksheet.setValue (0, 1, New Cellvalue (25)); // Add value // Set the cell style CellStyle boldStyle = CellStyle.builder().bold(true).build(); Worksheet.SetStyle (0, 0, BOLDSTYLE); // Set the cell style // Add a part of data worksheet.addRow(); Worksheet.setValue (1, 0, New Cellvalue ("Zhang San"); worksheet.setValue(1, 1, new CellValue(30)); // Add a column of data worksheet.addColumn(); Worksheet.SetValue (0, 2, New Cellvalue ("Gender"); worksheet.setValue(1, 2, new CellValue("男")); 4. Save the excel file When you complete all the data operation, you can save the worksheet as an Excel file.The following is an example code that saves the excel file: import com.github.nagarajanchinnasamy.excel.writer.ExcelWriter; ExcelWriter excelWriter = new ExcelWriter(workbook); Excelwriter.writetofile ("Output.xlsx"); // Save the Excel file Through the above steps, you can use the Fastexcel Writer framework to easily export the data to the Excel file.You can change the style, merge unit grid, set the head head, etc. according to your needs to generate an Excel report that meets your requirements. Summarize This article introduces the FASTEXCEL Writer framework and a practical guide to use it in Java applications for data export.By using Fastexcel Writer, you can quickly and efficiently export the data to the Excel file.I hope this article can help you successfully achieve the function of Excel data export.