POI完美解析Excel数据到对象集合中（可用于将EXCEL数据导入到数据库）

Method method = cls.getDeclaredMethod(methodName,cls.getDeclaredField(title).getType());
method.invoke(obj, value);

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;

/**
 * 解析一个Excel表格，将其存放到一个对象集合中
 * 
 * @author jingang
 *
 */
public class ReadExcel {

	/**
	 * 传入一Excel表格，创建出对应的类集合 要求： 类的字段名必须和Excel的首行的标题相同
	 * 
	 * @param filePath
	 * @param cls
	 * @return
	 * @throws InvalidFormatException
	 * @throws IOException
	 * @throws InstantiationException
	 * @throws IllegalAccessException
	 * @throws NoSuchMethodException
	 * @throws SecurityException
	 * @throws NoSuchFieldException
	 * @throws IllegalArgumentException
	 * @throws InvocationTargetException
	 */
	public static List readExcel(String filePath, Class cls) throws InvalidFormatException, IOException,
			InstantiationException, IllegalAccessException, NoSuchMethodException, SecurityException,
			NoSuchFieldException, IllegalArgumentException, InvocationTargetException {
		File excelFile = new File(filePath);
		FileInputStream is = new FileInputStream(excelFile); // 文件流
		Workbook workbook = WorkbookFactory.create(is); // 这种方式完美支持Excel、2003/2007/2010	
		Sheet sheet = workbook.getSheetAt(0);// 获取工作区（只提取第一个工作区）
		int rowCount = sheet.getPhysicalNumberOfRows();// 文件的总行数
		List<Object> objList = new ArrayList<>();// 对象的集合
		Row row1 = sheet.getRow(0);// 获得首行表示，单元格的内容必须与pojo类的字段名一致
		for (int i = 1; i < rowCount; i++) {
			// 解析每一行
			Row row = sheet.getRow(i);
			Object obj = cls.newInstance();// 反射创建对象
			for (int j = 0; j < row1.getPhysicalNumberOfCells(); j++) {
				String title = row1.getCell(j).getStringCellValue();
				String methodName = "set" + title.substring(0, 1).toUpperCase() + title.substring(1);
				Cell cell = row.getCell(j);
				if (cell != null) {
					if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC) {
						int value = (int) cell.getNumericCellValue();
						Method method = cls.getDeclaredMethod(methodName, cls.getDeclaredField(title).getType());
						method.invoke(obj, value);
					}
					//这里可根据需要，增加对其它数据类型的判断
				} else {
					Method method = cls.getDeclaredMethod(methodName, cls.getDeclaredField(title).getType());
					method.invoke(obj, 0);
				}
			}
			objList.add(obj);
		}
		return objList;
	}
}