package cn.action.serviceImpl;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class InputExcelService {
public static void inputExcel() throws IOException{
String path = "F:/Student.xlsx";
try {
InputStream is = new FileInputStream(path); //讀取指定目錄下的文件
XSSFWorkbook hssfWorkbook = new XSSFWorkbook(is); //創建一個工作薄
for(int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++){ //循環取Sheet
XSSFSheet shset = hssfWorkbook.getSheetAt(numSheet);
if(shset == null){
continue;
}
for(int rowNum = 0; rowNum <= shset.getLastRowNum(); rowNum++){ //循環一個工作薄里面的所有行
XSSFRow hssfRow = shset.getRow(rowNum);
if(hssfRow == null){
continue;
}
int hssFCell = hssfRow.getPhysicalNumberOfCells(); //取一個行里面的所有列
for(int cellNum = 0; cellNum < hssFCell; cellNum++){ //循環取列
XSSFCell hsc = hssfRow.getCell(cellNum);
if(hsc == null){
continue;
}
System.out.print(getValue(hsc)+" "); //取值
}
System.out.println("\n");
}
hssfWorkbook.close();
is.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
@SuppressWarnings("static-access")
private static String getValue(XSSFCell hssfCell){
if (hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN) {
// 返回布爾類型的值
return String.valueOf(hssfCell.getBooleanCellValue());
} else if (hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC) {
hssfCell.setCellType(hssfCell.CELL_TYPE_STRING);
// 返回數值類型的值
return hssfCell.getStringCellValue();
}
else {
// 返回字符串類型的值
return String.valueOf(hssfCell.getStringCellValue()); }
}
public static void outputExcel(){
}
}