package com.zhaochao.utils;

import java.util.List;
/**
 *
 * excel的行对象
 *
 * @author 赵超
 *
 */
public class ExcelRow {
		private List<String> colData;  //当前行的所有列数据
		public Integer getCols() {
			return colData.size();
		}
		public List<String> getColData() {
			return colData;
		}
		public void setColData(List<String> colData2) {
			this.colData = http://www.mamicode.com/colData2;>
2.页对象的设计

package com.zhaochao.utils;

import java.util.List;
/**
 *
 * Excel页对象
 *
 * @author 赵超
 *
 */
public class ExcelPage {
		private List<ExcelRow> rowData; //当页excel的所有行数据
		public Integer getRows() {
			return rowData.size();
		}
		public List<ExcelRow> getRowData() {
			return rowData;
		}
		public void setRowData(List<ExcelRow> rowData) {
			this.rowData = http://www.mamicode.com/rowData;>
3.excel对象的设计

package com.zhaochao.utils;

import java.util.List;
/**
 *
 * Excel模型类
 *
 *
 * @author 赵超
 *
 */
public class ExcelModel {
		private List<ExcelPage> pageData;  //Excel每页的数据
		public Integer getPages() {
			return pageData.size();
		}
		public List<ExcelPage> getPageData() {
			return pageData;
		}
		public void setPageData(List<ExcelPage> pageData) {
			this.pageData = http://www.mamicode.com/pageData;>
4.excel读写工具类的设计

package com.zhaochao.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
/**
 *
 * @author 操作excel工具类
 *
 */
public class ExcelUtil {

	public static void main(String [] args){

		//testWriteExcel();
		testReadExcel();
	}


	public static void testReadExcel(){
		        //String urlStr="http://baaifile.b0.upaiyun.com/uploadfile/2014/10/25/201410251038347176.xls";
				//String urlStr="C:\\Users\\Administrator\\Desktop\\privateCoupon.xls";
				String urlStr="c://user.xls";
				ExcelModel model= ExcelUtil.ReadExcel(urlStr);
				int pageSize=0;
				for(ExcelPage page: model.getPageData()){
					for(ExcelRow row:page.getRowData()){
						for(String col:row.getColData()){
							System.out.print(col+" ");
						}
						System.out.println();
					}
					System.out.println("======总共"+model.getPages()+"页=====第"+(++pageSize)+"页====================");
				}
	}
	public static void testWriteExcel(){
		String fileName="c://user.xls";
		//设置两列数据
		List<String> cols=new ArrayList<String>();
		cols.add("admin");
		cols.add("123");
		//设置行数据
		ExcelRow row=new ExcelRow();
		row.setColData(cols);
		List<ExcelRow> rows=new ArrayList<ExcelRow>();
		rows.add(row);
		rows.add(row);
		//设置页数据
		ExcelPage page=new ExcelPage();
		page.setRowData(rows);
		List<ExcelPage> pages=new ArrayList<ExcelPage>();
		pages.add(page);
		pages.add(page);
		//设置excleModel
		ExcelModel model=new ExcelModel();
		model.setPageData(pages);
		writeExcel(fileName,model);
	}


	/**
	 * 在线解析Excel
	 *
	 * @param urlStr  可以是http://开头的url,也可以是文件路径
	 *
	 * @return 返回ExcelMode
	 */
	private  static ExcelModel ReadExcel(String urlStr)   {
		ExcelModel excle= new ExcelModel();
		try {
			InputStream is=null;
			if(urlStr.startsWith("http://")){
				URL url=new URL(urlStr);
				HttpURLConnection httpUrl=(HttpURLConnection) url.openConnection();
				httpUrl.connect();
			    is = httpUrl.getInputStream();
			}else{
				File f=new File(urlStr);
				if(f.exists()){
					is= new FileInputStream(f) ;
				}else{
					throw new Exception("文件不存");
				}
			}
			Workbook wb = Workbook.getWorkbook(is);
			jxl.Sheet  [] sheet =wb.getSheets();
			List<ExcelPage> pageDate=new ArrayList<ExcelPage>();
			for(int s=0;s<sheet.length;s++){
				ExcelPage page=new ExcelPage();
				List<ExcelRow> rows=new ArrayList<ExcelRow>();
				for(int i=0;i<sheet[s].getRows();i++){
					ExcelRow row=new ExcelRow();
					List<String> colData=http://www.mamicode.com/new ArrayList();>
5.写测试