项目笔记：导出Excel功能设置导出数据样式

     /**
     * 导出-新导出
     *
     * @return
     * @throws IOException
     */
    @OperateLogAnn(type = OperateEnum.EXPORT, hibInter = HibInterEnum.ONLOAD)
    public String createXML() throws IOException {
        try {
            this.msg = RESULT_FAIL;

            area = areaService.queryAreaByCode(this.getRequest().getParameter("areaCode"));
            ipRange = this.getRequest().getParameter("ipRange");
            // 查询条件
            Map<String, String> searchMap = new HashMap<String, String>();
            if (StringUtils.isNotBlank(ip)) {
                searchMap.put("ip", ip);
            }
            if (StringUtils.isNotBlank(mac)) {
                searchMap.put("mac", mac);
            }
            if (StringUtils.isNotBlank(version)) {
                searchMap.put("version", version);
            }
            if (StringUtils.isNotBlank(installStatus)) {
                searchMap.put("installStatus", installStatus);
            }
            if (StringUtils.isNotBlank(startTime)) {
                searchMap.put("startTime", startTime);
            }
            if (StringUtils.isNotBlank(endTime)) {
                searchMap.put("endTime", endTime);
            }

            List<TerminalInfo> terminalInfoTems = terminalInfoService.terminalL3List(String.valueOf(area.getId()), ipRange, searchMap);

            String logPath = this.getSession(false).getServletContext().getRealPath(SystemStatics.PATH_LOG_XML);
            File xmlFile = LogXMLUtil.createExcel("terminalInfo", 5, terminalInfoTems, logPath);
            // 为下载 做 准备
            ActionContext.getContext().put("fileName", xmlFile.getName());
            ActionContext.getContext().put("filePath", xmlFile.getPath());
            this.msg = RESULT_SUCCESS;
        } catch (Exception e) {
            log.error("导出日志出错", e);
        }
        return "downLoadUI";
    }

　　引入这些包用于设置样式的

package com.vrv.paw.utils.export;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;
import java.util.List;

import jxl.Workbook;
import jxl.format.Colour;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;

import org.dom4j.Document;
import org.dom4j.Element;

import com.vrv.paw.domain.TerminalInfo;
import com.vrv.paw.utils.DateTypeConverterUtil;
import com.vrv.paw.utils.ReflectUtil;
import com.vrv.paw.utils.XMLUtil;

　　新写的导出方法

　　@SuppressWarnings("unchecked")
    public static File createExcel(String rootElement ,int col,List<TerminalInfo> listObjects,String path ) throws IOException{
        //动态获取Excel标题
        Document document = XMLUtil.getDocument( path+"/"+"reportForm.xml");
        Element domain = document.getRootElement();
        Element log = domain.element( rootElement );
        Element title = log.element("title");
        String fileName = title.attributeValue("name");
        fileName = fileName+"("+DateTypeConverterUtil.converterUtil2String(new Date(), "yyyy-MM-dd")+")";
        List<Element> columns =  log.element("head").elements("column");
        String filePath = path+"/"+fileName+".xls";
        //新建Excel文件
        File excelFile=new File(filePath);
        if(excelFile.exists()){
            excelFile.delete();
        }
        excelFile.createNewFile();
        //用JXL向新建的文件中添加内容
        jxl.write.WritableSheet ws = null;
        jxl.write.WritableWorkbook wwb = null;
        OutputStream outf = new FileOutputStream(excelFile);
        try {
            wwb = Workbook.createWorkbook(outf);
            ws = wwb.createSheet(fileName, );
            //表头样式
            WritableFont headFont = new WritableFont(WritableFont.TIMES,,WritableFont.BOLD);
            WritableFont titleFont= new WritableFont(WritableFont.TIMES,,WritableFont.BOLD);
            WritableFont dataFont = new WritableFont(WritableFont.TIMES,,WritableFont.NO_BOLD);
            WritableCellFormat writHeadFont=new WritableCellFormat(headFont);
            WritableCellFormat writTitleFont=new WritableCellFormat(titleFont);
            WritableCellFormat writDataFont= null;//new WritableCellFormat(dataFont);
            //把水平对齐方式指定为居中
            writHeadFont.setAlignment(jxl.format.Alignment.CENTRE);
            writTitleFont.setAlignment(jxl.format.Alignment.CENTRE);
            //设置背景颜色
            writHeadFont.setBackground(Colour.GOLD);
            writTitleFont.setBackground(Colour.VERY_LIGHT_YELLOW);
            //把垂直对齐方式指定为居中
            writHeadFont.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
            writTitleFont.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);

            ws.mergeCells(, , col, );
            ws.addCell(new Label(, , fileName,writHeadFont));
            String[] fileds = new String[columns.size()];
            for (int i = ; i < columns.size(); i++) {
                Element column = columns.get(i);
                fileds[i]=column.attributeValue("attribute") ;
                ws.addCell(new Label(i, , column.getTextTrim(),writTitleFont));
                //设置单元格宽度
                ws.setColumnView(i, );
            }
            TerminalInfo obj = null ;
            for(int k = ; k < listObjects.size(); k++){
                obj = listObjects.get(k);
                obj.setDevOnlyId(obj.getTerOnlyId());
                writDataFont=new WritableCellFormat(dataFont);
                writDataFont.setAlignment(jxl.format.Alignment.CENTRE);
                writDataFont.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);
                if (k%==) {
                    writDataFont.setBackground(Colour.ICE_BLUE);
                }
                for (int i = ; i < fileds.length; i++) {
                    Object field = ReflectUtil.doField( obj, fileds[i] ) ;
                    if("".equals(field.toString())){
                        field = "安装";
                    }
                    if("".equals(field.toString())){
                        field = "卸载";
                    }
                    if("".equals(field.toString())){
                        field = "更新";
                    }
                    if("".equals(field.toString())){
                        field = "上报心跳";
                    }
                    if("".equals(field.toString())){
                        field = "关机";
                    }
                    ws.addCell(new Label( i ,k+, field == null ? "" : field.toString(),writDataFont));
                }
            }
            wwb.write();
            wwb.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return excelFile ;
    }