Document and API reference manual of the Fastexcel Writer framework

Fastexcel Writer is a library for Java language to generate and write data in the Excel electronic form.It provides a simple and efficient method that can create an excel document by programming and fill the data into each cell.This article will introduce the document and API reference manual of Fastexcel Writer, and provide some Java code examples to demonstrate its usage. Fastexcel Writer's document provides detailed information about library and how to use various features in the library.The documents include the steps of installation and setting Fastexcel Writer, and examples of various API usage.The document also includes some best practice and example code to help developers better understand and use the function of the use of libraries. The API reference manual is a detailed description of the Fastexcel Writer library, including all available classes, interfaces and methods.It provides detailed descriptions of each class and method, including parameters, return types and usage examples.The API reference manual can also be used as a reference for developers to help them find the required classes and methods when writing code. Here are some examples of Java code, showing some common functions using the Fastexcel Writer library: 1. Create a new Excel document and add data: Workbook workbook = new Workbook(); Worksheet worksheet = workbook.addWorksheet("Sheet1"); worksheet.addCellData("A1", "Hello"); worksheet.addCellData("B1", "World"); workbook.save("output.xlsx"); 2. Format cells: CellStyle cellStyle = new CellStyle(); cellStyle.setFont(new Font("Arial", Font.BOLD, 12)); cellStyle.setAlignment(CellAlignment.CENTER); cellStyle.setBorder(BorderStyle.THIN, Color.BLACK); worksheet.setCellStyle("A1", cellStyle); 3. Merge cell grid: worksheet.mergeCells("A1:B2"); 4. Set the cell formula: worksheet.setCellFormula("C1", "SUM(A1:B1)"); Through these examples, developers can better understand the use of the Fastexcel Writer library and easily generate Excel documents in their projects. It should be noted that the Fastexcel Writer is a third -party library, so you need to add the library file to the project's dependence before use, and ensure that the relevant class and interfaces are introduced correctly.