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[英]Reading excel data from multiple related excel sheets and dumping in java classes
[英]Reading Excel sheets in java
我正在制作一个使用apache库的Java程序,该程序从Excel文件读取,但是问题是,我正在定义要打开任何Excel文件的每张工作表,并且能够选择任何工作表以及用工作表填充ComboBox名称。 (我正在使用JComboBox选择工作表)。
我的尝试:
FileInputStream fileInputStream = new FileInputStream(filePath);
XSSFWorkbook workbook = new XSSFWorkbook(fileInputStream);
int sheetNum = workbook.getNumberOfSheets();
for(int i = 0; i < sheetNum; i++) {
String sheetname = workbook.getSheetName(i);
chooseSheetComboBox.addItem(sheetname);
}
int choosenSheet = chooseSheetComboBox.getSelectedIndex();
XSSFSheet sheet = workbook.getSheetAt(choosenSheet);
您必须在组合框的项目上方添加一个事件处理程序,只需将其填充到循环中:
chooseSheetComboBox.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
choosenSheet = chooseSheetComboBox.getSelectedIndex();
XSSFSheet sheet = workbook.getSheetAt(choosenSheet);
// complete your logic, maybe call a method that takes XSSFSheet in parameters
}
}
});
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