User Guide Tutorials Java tutorials Tutorial 06: How to protect cells and sheet elements in Java How to protect cells and sheet elements in Java
EasyXLS Excel library can be used to export Excel files in Java. The library works with any Java SE application and without MS Excel installed.
Step 1: Download EasyXLS Excel Library for Java To download the trial version of EasyXLS Excel Library, press the below button:
If you already own a license key, you may login and download EasyXLS from your account. Install the downloaded EasyXLS installer for v8.6 or earlier.
Step 2: Create a Java project If don't have a project already, create a new Java project.
Step 3: Include EasyXLS library into project EasyXLS.jar must be added to external libraries into your project for Eclipse or to your application CLASSPATH. EasyXLS.jar can be found: - Inside the downloaded archive at Step 1 for EasyXLS v9.0 or later - Under installation path for EasyXLS v8.6 or earlier, in "Lib" folder.
Step 4: Run Java code that protects Excel sheet Execute the following Java code that exports data to Excel, protects Excel sheet and locks cells.
package testexceljava;
import java.awt.Color;
import EasyXLS.*;
import EasyXLS.Constants.*;
public class Tutorial06 {
public static void main(String[] args) {
try {
System.out.println("Tutorial 06" );
System.out.println("----------" );
ExcelDocument workbook = new ExcelDocument(2);
workbook.easy_getSheetAt(0).setSheetName("First tab" );
workbook.easy_getSheetAt(1).setSheetName("Second tab" );
workbook.easy_getSheetAt(0).setSheetProtected(true );
ExcelTable xlsFirstTable = ((ExcelWorksheet)workbook.easy_getSheetAt(0)).easy_getExcelTable();
ExcelStyle xlsStyleHeader = new ExcelStyle("Verdana" , 8, true , true , Color.YELLOW);
xlsStyleHeader.setBackground(Color.BLACK);
xlsStyleHeader.setBorderColors(Color.GRAY, Color.GRAY, Color.GRAY, Color.GRAY);
xlsStyleHeader.setBorderStyles(Border.BORDER_MEDIUM, Border.BORDER_MEDIUM,
Border.BORDER_MEDIUM, Border.BORDER_MEDIUM);
xlsStyleHeader.setHorizontalAlignment(Alignment.ALIGNMENT_CENTER);
xlsStyleHeader.setVerticalAlignment(Alignment.ALIGNMENT_BOTTOM);
xlsStyleHeader.setWrap(true );
xlsStyleHeader.setDataType(DataType.STRING);
for (int column=0; column<5; column++)
{
xlsFirstTable.easy_getCell(0, column).setValue("Column " + (column + 1));
xlsFirstTable.easy_getCell(0, column).setStyle(xlsStyleHeader);
}
xlsFirstTable.easy_getRowAt(0).setHeight(30);
for (int row=0; row<100; row++)
{
for (int column=0; column<5; column++)
{
xlsFirstTable.easy_getCell(row+1, column).setValue("Data " + (row + 1) + ", " + (column + 1));
}
}
ExcelStyle xlsStyleData = new ExcelStyle();
xlsStyleData.setHorizontalAlignment(Alignment.ALIGNMENT_LEFT);
xlsStyleData.setForeground(Color.LIGHT_GRAY);
xlsStyleData.setWrap(false );
xlsStyleData.setDataType(DataType.STRING);
xlsStyleData.setLocked(true );
xlsFirstTable.easy_setRangeStyle("A2:E101" , xlsStyleData);
xlsFirstTable.setColumnWidth(0, 70);
xlsFirstTable.setColumnWidth(1, 100);
xlsFirstTable.setColumnWidth(2, 70);
xlsFirstTable.setColumnWidth(3, 100);
xlsFirstTable.setColumnWidth(4, 70);
System.out.println("Writing file: C:\\Samples\\Tutorial06 - protect Excel sheet.xlsx" );
workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial06 - protect Excel sheet.xlsx" );
if (workbook.easy_getError().equals("" ))
System.out.println("File successfully created." );
else
System.out.println("Error encountered: " + workbook.easy_getError());
workbook.Dispose();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}