jxl.jar 操作

/* 
 * Created on Aug 18, 2009 
 * 本例在实际项目中使用,基本的操作都可以满足,值得参考。
 * To change the template for this generated file go to 
 * Window>Preferences>Java>Code Generation>Code and Comments 
 */ 
package cn.kr.utils;  
 
import java.io.*;   
import java.util.List;

import cn.kr.base.Udownloadfile;

import jxl.*;   
import jxl.write.*;   
import jxl.write.Number;
 
/** 
 * @author Ken 
 * 
 * To change the template for this generated type comment go to 
 * Window>Preferences>Java>Code Generation>Code and Comments 
 */ 
public class CreateXLS {  
 /**
  * 访问统计
  * @param path
  * @param objectExcel
  * @return
  */
    public static void CreateView(String path, String fileName, List<Udownloadfile> objectExcel) {
       
     try {  
      //创建目录
      File file = new File(path);  
      if (!file.exists()) {
       file.mkdirs();
      }
      
            //open file.  
            WritableWorkbook book = Workbook.createWorkbook(new File(path+fileName));  
              
            //定义字体
            WritableFont font= new WritableFont(WritableFont.TIMES,16,WritableFont.BOLD);
            WritableCellFormat format = new WritableCellFormat(font);
            format.setAlignment(Alignment.CENTRE);
            //create Sheet named "Sheet_1". 0 means this is 1st page.  
            WritableSheet sheet = book.createSheet("访问统计", 0);
            Label labelTitle = new Label(0, 0, "访问统计", format);
            sheet.addCell(labelTitle);
            sheet.mergeCells(0,0,7,0);
            //define cell column and row in Label Constructor, and cell content write "test".  
            //cell is 1st-Column,1st-Row. value is "test".  
            Label labelFetcher = new Label(0, 1, "访问者");
            Label labelTime = new Label(1, 1, "访问时间");
            Label labelDownload = new Label(2, 1, "是否下载");       
            Label labelAuthor = new Label(3, 1, "作者");
            Label labelProduct = new Label(4, 1, "作品");
            Label labelItem = new Label(5, 1, "分集");
            Label labelProvider = new Label(6, 1, "提供者");
            Label labelWay = new Label(7, 1, "订阅形式");
            //add defined cell above to sheet instance.  
            sheet.addCell(labelFetcher);
            sheet.addCell(labelTime);
            sheet.addCell(labelDownload);
            sheet.addCell(labelAuthor);
            sheet.addCell(labelProduct);
            sheet.addCell(labelItem);
            sheet.addCell(labelProvider);
            sheet.addCell(labelWay);
              
            //create cell using add numeric. WARN:necessarily use integrated package-path, otherwise will be throws path-error.  
            //cell is 2nd-Column, 1st-Row. value is 789.123.  
            String fetcherValue = "";
            String timeValue = "";
            String downloadValue = "";
            String authorValue = "";
            String productValue = "";
            int itemValue = 0;
            String providerValue = "";
            String wayValue = "";
            //从第几行开始输入数据
            int i = 2;
            for (Udownloadfile download : objectExcel) {
             fetcherValue = download.getUuser().getMobileId();
                timeValue = KrDateUtil.ShortDate(download.getDownloadTime() );
                downloadValue = (download.getDownloaded() == 1 ? "是" : "否");
                authorValue = download.getArtistname();
                productValue = download.getProjectname();
                itemValue = download.getSetno() ;
                providerValue = download.getProvider();
                wayValue = (download.getOrderType()==1 ? "包月" : "计次");
       
       Label labelFetcherValue = new Label(0, i, fetcherValue);
                Label labelTimeValue = new Label(1, i, timeValue);
                Label labelDownloadValue = new Label(2, i, downloadValue);
                Label labelAuthorValue = new Label(3, i, authorValue);
                Label labelProductValue = new Label(4, i, productValue);
                Number numberItemValue = new Number(5, i, itemValue);
                Label labelProviderValue = new Label(6, i, providerValue);
                Label labelWayValue = new Label(7, i, wayValue);
                i++;
                sheet.addCell(labelFetcherValue);
                sheet.addCell(labelTimeValue);
                sheet.addCell(labelDownloadValue);
                sheet.addCell(labelAuthorValue);
                sheet.addCell(labelProductValue);
                sheet.addCell(numberItemValue);
                sheet.addCell(labelProviderValue);
                sheet.addCell(labelWayValue);
            }
            //jxl.write.Number number = new jxl.write.Number(0, 1, 1);
            //add defined cell above to sheet instance.  
            //sheet.addCell(number);  
              
            //add defined all cell above to case.  
            book.write();  
            //close file case.  
            book.close();
        } catch (Exception e) {  
            e.printStackTrace();  
        }
    }
 
 /**
  * 下载概要
  * @param objectExcel
  * @return
  */
    public static void CreateSummery(String path, String fileName, List<Object[]> objectExcel) {
       
     try {  
      //创建目录
      File file = new File(path);  
      if (!file.exists()) {
       file.mkdirs();
      }
      
            //open file.  
            WritableWorkbook book = Workbook.createWorkbook(new File(path+fileName));  
              
            //定义字体
            WritableFont font= new WritableFont(WritableFont.TIMES,16,WritableFont.BOLD);
            WritableCellFormat format = new WritableCellFormat(font);
            format.setAlignment(Alignment.CENTRE);
            //create Sheet named "Sheet_1". 0 means this is 1st page.  
            WritableSheet sheet = book.createSheet("下载概要", 0);
            Label labelTitle = new Label(0, 0, "下载概要", format);
            sheet.addCell(labelTitle);
            sheet.mergeCells(0,0,4,0);
            //define cell column and row in Label Constructor, and cell content write "test".  
            //cell is 1st-Column,1st-Row. value is "test".  
            //作品名称 分集ID 作者名称 提供者名称 下载次数
            Label labelProduct = new Label(0, 1, "作品名称");
            Label labelItem = new Label(1, 1, "分集ID");
            Label labelAuthor = new Label(2, 1, "作者名称");
            Label labelProvider = new Label(3, 1, "提供者名称");
            Label labelTimes = new Label(4, 1, "下载次数");
            //add defined cell above to sheet instance.  
            sheet.addCell(labelAuthor);
            sheet.addCell(labelProduct);
            sheet.addCell(labelItem);
            sheet.addCell(labelProvider);
            sheet.addCell(labelTimes);
              
            //create cell using add numeric. WARN:necessarily use integrated package-path, otherwise will be throws path-error.  
            //cell is 2nd-Column, 1st-Row. value is 789.123.  
            String productValue = "";
            int itemValue = 0;
            String authorValue = "";
            String providerValue = "";
            int timesValue = 0;
            //从第几行开始输入数据
            int i = 2;
            SysOutLog.logInfo("objectExcel=="+objectExcel);
            for (Object[] download : objectExcel) {
             
             productValue = (String) download[1];
             itemValue = Integer.parseInt(download[2].toString());
             authorValue = (String) download[3];
             providerValue = (String) download[5];
             timesValue = Integer.parseInt(download[6].toString());
             
             Label labelProviderValue = new Label(0, i, productValue);
             Number numberItemValue = new Number(1, i, itemValue);
                Label labelAuthorValue = new Label(2, i, authorValue);
                Label labelProductValue = new Label(3, i, providerValue);
                Number numberTimesValue = new Number(4, i, timesValue);
                i++;
                sheet.addCell(labelProductValue);
                sheet.addCell(numberItemValue);
                sheet.addCell(labelAuthorValue);
                sheet.addCell(labelProviderValue);
                sheet.addCell(numberTimesValue);
            }
            //jxl.write.Number number = new jxl.write.Number(0, 1, 1);
            //add defined cell above to sheet instance.  
            //sheet.addCell(number);  
              
            //add defined all cell above to case.  
            book.write();  
            //close file case.  
            book.close();
        } catch (Exception e) {  
            e.printStackTrace();  
        }
    
    }  
   
    /**
     * 下载详细
  * @param path
  * @param objectExcel
  * @return
  */
    public static void CreateDetail(String path, String fileName, List<Udownloadfile> objectExcel) {
       
     try {  
      //创建目录
      File file = new File(path);  
      if (!file.exists()) {
       file.mkdirs();
      }
      
            //open file.  
            WritableWorkbook book = Workbook.createWorkbook(new File(path+fileName));  
              
            //定义字体
            WritableFont font= new WritableFont(WritableFont.TIMES,16,WritableFont.BOLD);
            WritableCellFormat format = new WritableCellFormat(font);
            format.setAlignment(Alignment.CENTRE);
            //create Sheet named "Sheet_1". 0 means this is 1st page.  
            WritableSheet sheet = book.createSheet("下载详细", 0);
            Label labelTitle = new Label(0, 0, "下载详细", format);
            sheet.addCell(labelTitle);
            sheet.mergeCells(0,0,7,0);
            //define cell column and row in Label Constructor, and cell content write "test".  
            //cell is 1st-Column,1st-Row. value is "test".  
            //下载者 下载时间 作者 作品 分集 实际价格 提供者 订阅形式
            Label labelFetcher = new Label(0, 1, "下载者");
            Label labelTime = new Label(1, 1, "下载时间");
            Label labelAuthor = new Label(2, 1, "作者");
            Label labelProduct = new Label(3, 1, "作品");
            Label labelItem = new Label(4, 1, "分集");
            Label labelPrice = new Label(5, 1, "实际价格");
            Label labelProvider = new Label(6, 1, "提供者");
            Label labelWay = new Label(7, 1, "订阅形式");
            //add defined cell above to sheet instance.  
            sheet.addCell(labelFetcher);
            sheet.addCell(labelTime);
            sheet.addCell(labelAuthor);
            sheet.addCell(labelProduct);
            sheet.addCell(labelItem);
            sheet.addCell(labelPrice);
            sheet.addCell(labelProvider);
            sheet.addCell(labelWay);
              
            //create cell using add numeric. WARN:necessarily use integrated package-path, otherwise will be throws path-error.  
            //cell is 2nd-Column, 1st-Row. value is 789.123.  
            String fetcherValue = "";
            String timeValue = "";
            String authorValue = "";
            String productValue = "";
            int itemValue = 0;
            float priceValue = 0;
            String providerValue = "";
            String wayValue = "";
            //从第几行开始输入数据
            int i = 2;
            for (Udownloadfile download : objectExcel) {
             
             fetcherValue = download.getUuser().getMobileId();
             timeValue = KrDateUtil.ShortDate(download.getDownloadTime() );
             authorValue = download.getArtistname();
             productValue = download.getProjectname();
             itemValue = download.getSetno() ;
             priceValue = download.getRealPrice();
             providerValue = download.getProvider();
             wayValue = (download.getOrderType() == 1 ? "包月" : "计次");
             
       Label labelFetcherValue = new Label(0, i, fetcherValue);
                Label labelTimeValue = new Label(1, i, timeValue);
                Label labelAuthorValue = new Label(2, i, authorValue);
                Label labelProductValue = new Label(3, i, productValue);
                Number numberItemValue = new Number(4, i, itemValue);
                Number numberDownloadValue = new Number(5, i, priceValue);
                Label labelProviderValue = new Label(6, i, providerValue);
                Label labelWayValue = new Label(7, i, wayValue);
                i++;
                sheet.addCell(labelFetcherValue);
                sheet.addCell(labelTimeValue);
                sheet.addCell(labelAuthorValue);
                sheet.addCell(labelProductValue);
                sheet.addCell(numberItemValue);
                sheet.addCell(numberDownloadValue);
                sheet.addCell(labelProviderValue);
                sheet.addCell(labelWayValue);
            }
            //jxl.write.Number number = new jxl.write.Number(0, 1, 1);
            //add defined cell above to sheet instance.  
            //sheet.addCell(number);  
              
            //add defined all cell above to case.  
            book.write();  
            //close file case.  
            book.close();
        } catch (Exception e) {  
            e.printStackTrace();  
        }
    }

(Kriging_NSGA2)克里金模型结合多目标遗传算法求最优因变量及对应的最佳自变量组合研究(Matlab代码实现)内容概要:本文介绍了克里金模型(Kriging)与多目标遗传算法NSGA-II相结合的方法,用于求解最优因变量及其对应的最佳自变量组合,并提供了完整的Matlab代码实现。该方法首先利用克里金模型构建高精度的代理模型,逼近复杂的非线性系统响应,减少计算成本;随后结合NSGA-II算法进行多目标优化,搜索帕累托前沿解集,从而获得多个最优折衷方案。文中详细阐述了代理模型构建、算法集成流程及参数设置,适用于工程设计、参数反演等复杂优化问题。此外,文档还展示了该方法在SCI一区论文中的复现应用,体现了其科学性与实用性。; 适合人群:具备一定Matlab编程基础,熟悉优化算法和数值建模的研究生、科研人员及工程技术人员,尤其适合从事仿真优化、实验设计、代理模型研究的相关领域工作者。; 使用场景及目标:①解决高计算成本的多目标优化问题,通过代理模型降低仿真次数;②在无法解析求导或函数高度非线性的情况下寻找最优变量组合;③复现SCI高水平论文中的优化方法,提升科研可信度与效率;④应用于工程设计、能源系统调度、智能制造等需参数优化的实际场景。; 阅读建议:建议读者结合提供的Matlab代码逐段理解算法实现过程,重点关注克里金模型的构建步骤与NSGA-II的集成方式,建议自行调整测试函数或实际案例验证算法性能,并配合YALMIP等工具包扩展优化求解能力。
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