qqqq
import java.io.File;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import org.apache.commons.beanutils.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.xmmy.core.base.service.DefaultEntityManager;
import com.xmmy.core.util.PropertiesRead;
@SuppressWarnings("unchecked")
@Service
@Transactional
public class ExportExcelManager extends DefaultEntityManager {
/**
* 根据记录集合和字段生成excel文件并直接写入到输出流
* @param valueList
* @param attributes
* @param os
* @author:陈涌
*/
public void exportData(List valueList, String attributes, OutputStream os) {
String[] attrArr = attributes.split(",");
String[] headNames = new String[attrArr.length];
String[] attrNames = new String[attrArr.length];
for (int i = 0; i < attrArr.length; i++) {
headNames[i] = attrArr[i].substring(0, attrArr[i].indexOf(":"));
attrNames[i] = attrArr[i].substring(attrArr[i].indexOf(":") + 1);
}
try {
WritableWorkbook book = Workbook.createWorkbook(os);
// 生成名为“第一页”的工作表，参数0表示这是第一页
WritableSheet sheet = book.createSheet(" 第一页 ", 0);
// 在Label对象的构造子中指名单元格位置是第一列第一行(0,0)
// 以及单元格内容为test
for (int i = 0; i < headNames.length; i++) {
Label label = new Label(i, 0, headNames[i]);
sheet.addCell(label);
}
for (int i = 0; i < valueList.size(); i++) {
Object obj = valueList.get(i);
for (int j = 0; j < attrNames.length; j++) {
String value = BeanUtils.getProperty(obj, attrNames[j]);
Label label = new Label(j, i + 1, value);
sheet.addCell(label);
}
}
// 写入数据并关闭文件
book.write();
book.close();
} catch (Exception e) {
System.out.println(e);
}
}
public File exportData(List valueList, String attributes) {
String[] attrArr = attributes.split(",");
String[] headNames = new String[attrArr.length];
String[] attrNames = new String[attrArr.length];
File f = null;
for (int i = 0; i < attrArr.length; i++) {
headNames[i] = attrArr[i].substring(0, attrArr[i].indexOf(":"));
attrNames[i] = attrArr[i].substring(attrArr[i].indexOf(":") + 1);
}
try {
String savePath = PropertiesRead.getProperty("save_dir_qb");
SimpleDateFormat sdfFileName = new SimpleDateFormat("yyyyMMddHHmmssSSS");
SimpleDateFormat sdfDir = new SimpleDateFormat("yyyy_MM_dd");
Date date = new Date();
String fileName = sdfFileName.format(date);
String dir = sdfDir.format(date);
fileName = savePath + "/export/" + dir + "/" + fileName + ".xls";
f = new File(fileName);
if (!f.exists()) {
if(!f.getParentFile().exists())
f.getParentFile().mkdirs();
f.createNewFile();
}
WritableWorkbook book = Workbook.createWorkbook(f);
// 生成名为“第一页”的工作表，参数0表示这是第一页
WritableSheet sheet = book.createSheet(" 第一页 ", 0);
// 在Label对象的构造子中指名单元格位置是第一列第一行(0,0)
// 以及单元格内容为test
for (int i = 0; i < headNames.length; i++) {
Label label = new Label(i, 0, headNames[i]);
sheet.addCell(label);
}
for (int i = 0; i < valueList.size(); i++) {
Object obj = valueList.get(i);
for (int j = 0; j < attrNames.length; j++) {
String value = BeanUtils.getProperty(obj, attrNames[j]);
Label label = new Label(j, i + 1, value);
sheet.addCell(label);
}
}
// 写入数据并关闭文件
book.write();
book.close();
} catch (Exception e) {
System.out.println(e);
}
return f;
}
}
@SuppressWarnings("unchecked")
private String export(List list, String attributes) throws Exception {
SimpleDateFormat sdfFileName = new SimpleDateFormat("yyyyMMddHHmmssSSS");
String fileName = sdfFileName.format(new Date());
fileName = "export_" + fileName + ".xls";
response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition", "attachment; filename="
+ fileName);
this.exportExcelManager.exportData(list, attributes, response
.getOutputStream());
return null;
}
if (export)
return export(
page.getResult(),
"信息编号:msgId,信息形式:harmfulMsgMsgStyle.name,信息来源:msgSrc,网站名称:webSiteName,栏目名称:partName,信息标题:msgTitle,URL:url,网站域名:webSiteDomain,网站IP:webSiteIp,网站接入地:webSiteAddress,开办者所在地:founderAddress,搜索词:searchWord,信息类别:msgType,传播方式:spreadMode,网上部位:webPosition,工信备案:isGxRecord,公安备案:isGaRecord,发现单位:foundDept,发现人员:foundPerson,发现时间:foundTime,通报时间:noticeTime,处置单位:dealDept,处置人员:dealPerson,处置结果:dealResult,处置时间:dealTime,处置期限:dealTimeLimit");