java²Ù×÷Excel
// ´´½¨Excel
String destFileName = tableName + ".xls";//ÎļþÃû
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-Disposition", "attachment; filename=".concat(String .valueOf(destFileName)));
WorkbookSettings wbs = new WorkbookSettings();
WritableWorkbook w = Workbook.createWorkbook(response .getOutputStream(), wbs);//´ò¿ªÎļþ
jxl.write.WritableSheet ws = w.createSheet("sheet0", 0);// // Éú³ÉÃûΪ“sheet0”µÄ¹¤×÷±í£¬²ÎÊý0±íʾÕâÊǵÚÒ»Ò³
// ÔÚLabel¶ÔÏóµÄ¹¹Ôì×ÓÖÐÖ¸Ãûµ¥Ôª¸ñλÖÃÊǵÚÒ»ÁеÚÒ»ÐÐ(0,0)
// ÒÔ¼°µ¥Ôª¸ñÄÚÈÝΪtest
Label label = new Label(0, 0, "test123");
// ½«¶¨ÒåºÃµÄµ¥Ôª¸ñÌí¼Óµ½¹¤×÷±íÖÐ
sheet.addCell(label);
// ×ÖÌåÉèÖÃ
WritableFont font = new WritableFont(WritableFont.createFont("¿¬Ìå_GB2312"), 12, WritableFont.BOLD);
WritableCellFormat format = new WritableCellFormat(font);
format.setBackground(jxl.format.Colour.GRAY_25);
format.setLocked(false);//µ¥Ôª¸ñËø¶¨
format.setBorder(jxl.format.Border.ALL,
jxl.format.BorderLineStyle.getStyle(1));
format.setWrap(true);//ÉèÖÃ×Ô¶¯»»ÐÐ
// ×ÖÌåÉèÖýáÊø
// µ¥Ôª¸ñÉèÖÃÄÚÈÝ£¨ÒÔϱíʾ£¬µÚiÁУ¬µÚ1ÐУ©
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ExcelUtil.makeCellData(ws, i, 0, (String) map.get("BTF_TITLE"), ExcelUtil.LABEL_ALIGN_LEFT,ExcelUtil.BORDER_LINE_ALL, null, ExcelUtil.CELL_TYPE_LABEL,jxl.format.Colour.GRAY_25);
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ws.addCell(new Label(i, 0, (String) map.get("BTF_TITLE"), format));
//×îºóдÎļþ£¬¹Ø±Õ
w.write();
w.close();
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public class Hello{
public static void main(String[] args){ ......
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Exception in thread "main" java.lang.OutOfMemoryError:
Java heap space
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console¼Ó²ÎÊýÅܳÌÐò¡£ÏÖÏó£ºÔÚeclipseµÄÅäÖÃÎļþeclipse.iniÖÐÉèÖÃ-vmargs -Xms500m
-Xmx1024m
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# ÎļþÃû: printargs.py
#ÓÃ;£ºÑÝʾpythonµÄ´«²Î
import sys
print sys.argv
ÔÚÃü ......
package cn.ctgu.edu.ac;
import java.sql.*;
public class test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String url="jdbc:sqlserver://localhost:1433;Database=ÍøÉÏÊéµê¹ÜÀíϵͳ;integr ......