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用java做了壹個系統,現在希望用壹個按鈕,點擊後生成excel報表:把查詢信息生成到excel報表中

strust2 實現的

jsp

<input type="button" class="button" onclick="importExcel()" value="導出Excel"/>function importExcel() {

var isConfirm = confirm("您要導出Excel?");

if (isConfirm) {

var url=encodeURI("printExcel.do");

self.location=url;

}

}

java:

public String printExcel() {

fileName = 文件名;

獲取數據

long findCount = 1;

ByteArrayOutputStream baos = new ByteArrayOutputStream();

HSSFWorkbook wb = new HSSFWorkbook();

HSSFSheet sheet = wb.createSheet();

wb.setSheetName(0, "", HSSFWorkbook.ENCODING_UTF_16);

sheet.addMergedRegion(new Region(0, (short) (0), 0, (short) (9)));

HSSFRow row = sheet.createRow(0);

HSSFCell cell[] = new HSSFCell[13];

cell[0] = row.createCell((short) 0);

cell[0].setEncoding(HSSFCell.ENCODING_UTF_16);

cell[0].setCellValue(文件名);

cell[0].setEncoding(HSSFCell.ENCODING_UTF_16);

HSSFCellStyle style = wb.createCellStyle();

HSSFFont font = wb.createFont();

font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);

style.setFont(font);

style.setAlignment(HSSFCellStyle.ALIGN_CENTER);

cell[0].setCellStyle(style);

HSSFRow row1 = sheet.createRow(1);

HSSFCell cell1[] = new HSSFCell[18];

for (short i = 0; i < 10; i++) {

cell1[i] = row1.createCell(i);

cell1[i].setEncoding(HSSFCell.ENCODING_UTF_16);

}

cell1[0].setCellValue("姓名");

cell1[0].setCellStyle(style);

int len = 數據長度;

for (int i = 0; i < len; i++) {

Villager deviceFees = 數據.get(i);

HSSFRow row3 = sheet.createRow(i + 2);

HSSFCell cell3[] = new HSSFCell[18];

for (short j = 0; j < 15; j++) {

cell3[j] = row3.createCell(j);

cell3[j].setEncoding(HSSFCell.ENCODING_UTF_16);

}

cell3[0].setCellValue(deviceFees.getName());

findCount++;

}

try {

wb.write(baos);

} catch (IOException e) {

e.printStackTrace();

}

try {

fileName = new String(fileName.getBytes("GBK"), "ISO8859-1");

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

}

byte[] ba = baos.toByteArray();

this.setExcelFile(new ByteArrayInputStream(ba));

return SUCCESS;

}

xml

<action name="printExcel" class="action名字" method="action中的方法">

<result name="success" type="stream">

<param name="contentType">application/vnd.ms-excel;charset=ISO8859-1</param>

<param name="inputName">excelFile</param>

<param name="contentDisposition">attachment;filename="${fileName}.xls"</param>

<param name="bufferSize">1024</param>

</result>

</action>

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