excel写入

test/com/platform/test/ExcelTest.java

@@ -5,6 +5,7 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
@@ -19,15 +20,20 @@ public class ExcelTest {
 	
 	@Test
 	public void writeData() {
+		Date date = new Date();
 		PreDataInfo info = new PreDataInfo();
 		info.setAnalysisOfFinancialEconomicProsperity("否");
 		info.setAreaCode("321167");
 		info.setBeginUseTime("201107");
+		info.setFunctionDetails("这是一个神奇的功能");
 		List<PreDataInfo> list = new ArrayList<PreDataInfo>();
-		list.add(info);
+		for (int i = 0; i < 400; i++) {
+			list.add(info);
+		}
+
 		XSSFWorkbook result = null;
 		try {
-			result = ExcelOperation.readExcelTemplate(Constant.SYSTEM_INFO_EXCEL_TEMPLATE_FIEL_PATH, list);
+			result = ExcelOperation.writeExcelTemplate(Constant.SYSTEM_INFO_EXCEL_TEMPLATE_FIEL_PATH, list);
 		} catch (IllegalArgumentException
 				| IllegalAccessException | IOException e) {
 			// TODO Auto-generated catch block
@@ -36,14 +42,22 @@ public class ExcelTest {
 		System.out.println("----"+result);
 		
 		try {
-			FileOutputStream fileOut =new FileOutputStream(new File("D:/test/3.xlsx"));
-			result.write(fileOut);
-	        fileOut.close();
+			File f = new File("D:/test/4.xlsx");
+			FileOutputStream fileOut = null;
+			if (f.exists()) {
+				fileOut = new FileOutputStream(f);
+				result.write(fileOut);
+				fileOut.close();
+			}
+			else {
+				System.out.println("no file");
+			}
 		} catch (IOException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
 		}
-		
+		Date date2 = new Date();
+		System.out.println("complete： "+ (date2.getTime()-date.getTime()));
 	}
 
 }