excel，读写

src/com/platform/utils/excelUtils/ExcelOperation.java

@@ -4,7 +4,6 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
 import org.apache.poi.hssf.usermodel.HSSFCell;
@@ -16,9 +15,6 @@ import org.apache.poi.xssf.usermodel.XSSFFont;
 import org.apache.poi.xssf.usermodel.XSSFRow;
 import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
-import org.springframework.core.io.ClassPathResource;
-
-import com.base.Constant;
 
 /**
  * @author chen
@@ -36,12 +32,7 @@ public class ExcelOperation {
 	 * @throws IllegalArgumentException
 	 * @throws IllegalAccessException
 	 *///从第几行 填充数据
-	public static XSSFWorkbook writeExcelTemplate(String templateFilePath,int excelInitRow, List list) throws FileNotFoundException, IOException, IllegalArgumentException, IllegalAccessException {
-//		InputStreamReader in= new InputStreamReader(Resource.class.getResourceAsStream(templateFilePath), "UTF-8");
-		ClassPathResource res = new ClassPathResource(templateFilePath);
-		//此处 耗时太久：（原因：excel 2007 以后采用的方式不同造成的建议升级 到 poi 3.15以上）
-		XSSFWorkbook workbook = new XSSFWorkbook(res.getInputStream());
-//		System.out.println(" new XSSFWorkbook： "+ (date2.getTime()-date.getTime()));
+	public static XSSFWorkbook writeExcelTemplate(XSSFWorkbook workbook, int excelInitRow, List list) throws FileNotFoundException, IOException, IllegalArgumentException, IllegalAccessException {
 		
 		 //读取工作表
 		XSSFSheet sheet = workbook.getSheetAt(0);//getSheet("Sheet1");
@@ -139,7 +130,7 @@ public class ExcelOperation {
 	 * @throws IllegalAccessException 
 	 * @throws InstantiationException 
 	 */
-	public static List readExcelTemplate(XSSFWorkbook workbook, int excelInitRow, Class<?> classz) throws InstantiationException, IllegalAccessException {
+	public static List readExcel4Update(XSSFWorkbook workbook, int excelInitRow, Class<?> classz) throws InstantiationException, IllegalAccessException {
 		List list = null;
 		 //读取工作表
 		XSSFSheet sheet = workbook.getSheetAt(0);//getSheet("Sheet1");
@@ -159,6 +150,10 @@ public class ExcelOperation {
 	        for (int i = excelInitRow; i < rowNum; i++) {
 	        	//获得当前行
 	        	row = sheet.getRow(i);
+	        	cell = row.getCell(0);
+	        	if ("-".equals(getValue(cell)) || "".equals(getValue(cell))) {
+					continue;
+				}
 	        	//实例化
 	        	Object newObj = classz.newInstance();
 	        	Field[] fields = newObj.getClass().getDeclaredFields();
@@ -168,12 +163,22 @@ public class ExcelOperation {
 	        		cell = row.getCell(j);
 	        		if (null != cell) {
 		        		fields[j].setAccessible(true);
-		        		String cellString = cell.getStringCellValue();
+		        		String cellString = getValue(cell);
 		        		if (!"".equals(cellString)) {
 		        			isAddObj = true;
 			        		//int型
-					    	if (fields[j].getType().toString().contains("Integer")) {
-					    		fields[j].set(newObj, Integer.valueOf(cellString));
+					    	if (fields[j].getType().toString().contains("Integer") ||fields[j].getType().toString().contains("int")) {
+					    		double dnum = Double.valueOf(cellString);
+					    		int inum = (int) dnum;
+					    		fields[j].set(newObj, inum);
+							}
+					    	//double型
+					    	else if (fields[j].getType().toString().contains("Double") ||fields[j].getType().toString().contains("double")) {
+					    		fields[j].set(newObj, Double.valueOf(cellString));
+							}
+					    	//boolean型
+					    	else if (fields[j].getType().toString().contains("boolean") ||fields[j].getType().toString().contains("Boolean")) {
+					    		fields[j].set(newObj, Boolean.valueOf(cellString));
 							}
 					    	else {
 					    		fields[j].set(newObj, cellString);
@@ -190,4 +195,25 @@ public class ExcelOperation {
 		return list;
 	}
 
+	/** 获得cell里的字符串
+	 * @param cell
+	 * @return
+	 */
+	private static String getValue(XSSFCell cell) {
+		String value ="";
+		switch (cell.getCellType()) {
+			case XSSFCell.CELL_TYPE_NUMERIC:
+				value = String.valueOf(cell.getNumericCellValue());
+				break;
+			case XSSFCell.CELL_TYPE_BOOLEAN:
+				value = String.valueOf(cell.getBooleanCellValue());
+				break;
+			case XSSFCell.CELL_TYPE_STRING:
+				value = cell.getStringCellValue();
+				break;
+			default:
+				break;
+		}
+		return value.trim();
+	}
 }