java前端建立过程步骤,java导出步骤

java导出方法

//导出方法

public void WriteToOutputStream(OutputStream out, String excelName,List list) throws Exception {

WritableWorkbook workbook = Workbook.createWorkbook(out);

WritableSheet sheet = workbook.createSheet(excelName, 0);

WritableCellFormat ccf = new WritableCellFormat();

ccf.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);

ccf.setAlignment(jxl.format.Alignment.CENTRE);

WritableCellFormat numcf = new WritableCellFormat(new NumberFormat(

"#,##0.00"));

numcf.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);

numcf.setAlignment(jxl.format.Alignment.RIGHT);

WritableCellFormat zbcf = new WritableCellFormat();

zbcf.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);

zbcf.setAlignment(jxl.format.Alignment.LEFT);

//设置列头

sheet.addCell(new Label(0, 0, "名称", zbcf));

sheet.addCell(new Label(1, 0, "性别", zbcf));

sheet.addCell(new Label(2, 0, "地址", zbcf));

sheet.setColumnView(0, 16);

//循环输出值

for (int i = 0; i < list.size(); i++) {

Map map = (Map)list.get(i);

String name =map.get("name").toString();

sheet.addCell(new Label(0, i+1, String.valueOf(name), zbcf));

String sex = map.get("sex").toString();

sheet.addCell(new Label(1, i+1, String.valueOf(sex), zbcf));

String add = map.get("add").toString();

sheet.addCell(new Label(2, i+1, String.valueOf(add), zbcf));

}

workbook.write();

workbook.close();

}

//action 调用

response.reset();

response.setHeader("Content-Disposition", "attachment; filename=""

+ new String("个人信息导出".getBytes("gb2312"),

"iso8859-1") + ".xls"");

export.WriteToOutputStream(response.getOutputStream(),"个人信息导出", list);

response.setContentType("application/ms-excel;charset=gb2312");