Advanced usage of the Excel Templateer framework in the Java class library

Excel Template is a Java class library that provides a simple way to process the template of Excel file.It is very suitable for dynamically generating Excel reports or documents containing a large data.Excel Template provides many senior usage, allowing developers to operate and customize the Excel files that are more flexible. Below are some advanced usage and Java code example of Excel Templater: 1. Style and formatting: Excel Templater allows you to define styles in the template and apply these styles in the generated Excel file.You can set the font, color, border, alignment method, etc. of the cell.The following is an example. How to demonstrate the style in the Excel file: ExcelWriter writer = new ExcelWriter("template.xlsx", "output.xlsx"); writer.setStyle("header", "A1:C1", "Arial", 14, true, true); writer.setCellData("header", "A1", "Header 1"); writer.setCellData("header", "B1", "Header 2"); writer.setCellData("header", "C1", "Header 3"); writer.generate(); 2. Data filling and dynamic generation: Excel Templater allows you to generate and fill in data based on the position occupies in the template.You can retrieve the data from the database or other data sources, and then fill it to the corresponding position in the Excel file.The following is an example. It demonstrates how to use Excel Template to dynamically generate form data: ExcelWriter writer = new ExcelWriter("template.xlsx", "output.xlsx"); List <employee> Employees = Employeedao.Getemployees (); // Get employee data from the database for (int i = 0; i < employees.size(); i++) { Employee employee = employees.get(i); writer.setCellData("data", "A" + (i + 2), employee.getName()); writer.setCellData("data", "B" + (i + 2), employee.getAge()); writer.setCellData("data", "C" + (i + 2), employee.getDepartment()); } writer.generate(); 3. Condition formatting: Excel Templateer allows you to format the data generated by the Excel file formatted according to the conditions.You can set the background color and font color of the cell based on certain conditions, so that the data is more readable and easy to understand.The following is an example. How to use Excel Templateer to formatting the condition formatting: ExcelWriter writer = new ExcelWriter("template.xlsx", "output.xlsx"); writer.setCellStyle("data", "C2:C10", "age > 30", "background-color:red; font-color:white;"); writer.generate(); 4. Chart generation: Excel Template also supports generating charts to better visual data.You can define the type, data range, and style of the chart in the template.The following is an example. ExcelWriter writer = new ExcelWriter("template.xlsx", "output.xlsx"); String chartDataRange = "data!$B$2:$B$10"; String chartTitle = "Age Distribution"; String chartType = "column"; writer.setChartData("chart", chartDataRange, chartType, chartTitle); writer.generate(); Excel Template provides many other advanced functions, such as merging unit grids, automatic adjustment column width, and custom functions.You can choose the appropriate features according to specific needs to achieve the flexible generation and processing of excel files.I hope this article will help you understand the senior usage of Excel Templaater.