struts2+pol实现Exl导入

一、Action代码

 

package com.xinghuo.jqfx.web.jqlr;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
/**
  * Exl导入
  */
public class JqfxJqlrDtAction extends FileUploadAction
{
        //省去一些不要的东西，只保留导入功能代码
        private File excelFile;		//前台传过来的文件
	private String excelFileFileName;	//前台传过来的文件名
	
	/** 
	 * Excel导入
	 */
	@SuppressWarnings("deprecation")
	public String daoRu(){
		dicChange();	//字典项键值对集合
		HSSFWorkbook workbook = findWorkbook(excelFile);	//创建文件对象
		if(workbook != null){
			List<JqfxJqlrDt> jqfxJqlrDtlList = new ArrayList<JqfxJqlrDt>();		//对象集合
			int beginRowIndex = 4; 		//从excel中第几行读取
			int totalRows = 0; 			
			HSSFSheet sheet = workbook.getSheetAt(1);	//读取第一个seet页的内容
			totalRows = sheet.getLastRowNum();			//得到seet的总行数
			
			for (int i = beginRowIndex; i <= totalRows; i++) {
				JqfxJqlrDt jqfxJqlrDt = new JqfxJqlrDt();
				
				HSSFRow row = sheet.getRow(i);	//得到行
				if (row == null) {
					continue;
				}
				
				/* 读取表格数据 */
				HSSFCell cell_xzqy = row.getCell((short) 1);
				HSSFCell cell_jjdwName = row.getCell((short) 2);	
				HSSFCell cell_jqxz = row.getCell((short) 3);
				HSSFCell cell_jqlb = row.getCell((short) 4);
				
				//一下两列和成一个时间
				HSSFCell cell_afTime = row.getCell((short) 5);
				HSSFCell cell_afDate = row.getCell((short) 6);
				
				HSSFCell cell_sacw = row.getCell((short) 7);
				HSSFCell cell_xl = row.getCell((short) 8);
				HSSFCell cell_ddmc = row.getCell((short) 9);
				HSSFCell cell_remark = row.getCell((short) 10);
				HSSFCell cell_jcjId = row.getCell((short) 11);
								
				/* 向对象中填充数据 */
				String xzqhName = initHSSFCellToString(cell_xzqy);
				String xzqhId = map_xzqh.get(xzqhName);		//根据Map集合键取值
				if(xzqhId == null){
					continue;
				}
				jqfxJqlrDt.setXzqhName(xzqhName);
				jqfxJqlrDt.setXzqhId(xzqhId);
				
				jqfxJqlrDt.setJjdwName(initHSSFCellToString(cell_jjdwName));
				
				//警情性质
				String jqxz = initHSSFCellToString(cell_jqxz);
				String jqxzId = map_jqxz.get(jqxz);	
				if(jqxzId == null){
					continue;
				}
				jqfxJqlrDt.setJqxz(jqxz);
				jqfxJqlrDt.setJqxzId(jqxzId);
				
				//警情类别
				String jqlb = initHSSFCellToString(cell_jqlb);
				String jqlbId = map_jqlb.get(jqlb);	
				if(jqlbId == null){
					continue;
				}
				jqfxJqlrDt.setJqlb(jqlb);
				jqfxJqlrDt.setJqlbId(jqlbId);
				
				//案发时间
				//如果案发日期格式正确则添加，不正确似数据无效，跳过该条数据
				Date faDate = initHSSFCellToDate(cell_afTime,cell_afDate);
				if(faDate == null){
					continue;
				}else{
					jqfxJqlrDt.setAfTime(faDate);
				}
					
				jqfxJqlrDt.setSacw(initHSSFCellToString(cell_sacw));
				jqfxJqlrDt.setXl(initHSSFCellToString(cell_xl));
				
				//地铁线路
				String xl = this.initHSSFCellToString(cell_xl);
				try {
					xl=xl.substring(0,xl.lastIndexOf("."));
				} catch (StringIndexOutOfBoundsException e) {
					
				}
				String xlId = map_xl.get(xl);
				if(xlId == null){
					continue;
				}
				jqfxJqlrDt.setXl(xl);
				jqfxJqlrDt.setXlId(xlId);
										
				jqfxJqlrDt.setDdmc(initHSSFCellToString(cell_ddmc));
				jqfxJqlrDt.setRemark(initHSSFCellToString(cell_remark));			
				jqfxJqlrDt.setJcjId(initHSSFCellToString(cell_jcjId));
				//导入时流程状态为1
				jqfxJqlrDt.setDataFlowStatus("1");
		
				jqfxJqlrDtlList.add(jqfxJqlrDt);
			}
			
			//保存警情信息
			for (JqfxJqlrDt jqfxJqlrDt : jqfxJqlrDtlList) {
				//查询数据库中存不存在接警编号相同的数据
				boolean boole = manager.getJqfxJqlrDtjjcbh(jqfxJqlrDt.getJcjId());
				if(boole){
					//存在接警编号相同的数据，则不插入数据
				}else{
					manager.saveJqfxJqlrDt(jqfxJqlrDt);
				}	
			}
			message.setUrl("/jqlr/jqfxJqlrDt/jqfxJqlrDt!list.action");
			message.setMessInfo("导入成功。");
		}
		message.setType(Message.LOCATION_URL);
		return "message";
	}
		
	/**
	 * 得到excel文件
	 * @return
	 */
	public HSSFWorkbook findWorkbook(File file) {	
		if(excelFileFileName.toLowerCase().endsWith(".xls")){
			try {
				FileInputStream fileInputStream = new FileInputStream(file);	//得到文件
				HSSFWorkbook hssfWorkbook = new HSSFWorkbook(fileInputStream);	//将文件转换为excel格式
				return hssfWorkbook;
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}else{
			message.setUrl("/jqlr/jqfxJqlrDt/jqfxJqlrDt!excelDaoRuXuanZe.action");
			message.setMessInfo("导入失败，文件格式不对，请选择.xls文件。"); 
			return null;
		}
		return null;		
	}
	
	/**
	 * 将表格格式转化为字符串
	 * @param cell
	 * @author xiongmin
	 */
	private String initHSSFCellToString(HSSFCell cell) {
		String initCell = "";
		if (cell != null) {
			initCell = cell.toString();
		}
		return initCell;
	}
	
	/**
	 * 将表格格式转化为时间类型
	 */
	private Date initHSSFCellToDate(HSSFCell cell,HSSFCell cell2) {
		Date time = new Date();
		SimpleDateFormat formatDate = new SimpleDateFormat("yyyy-MM-dd HH:mm");
		String strTime = cell.toString() + " " + cell2.toString();
		if (cell != null) {
			try {
				time = formatDate.parse(strTime);
				return time;
			} catch (ParseException e) {
				e.printStackTrace();
				return null;
			}
		}
		return null;
	}

	/**
	 * 得到格式化的系统时间
	 * @param date
	 * @return
	 */
	public Date findDate(){
		Date date = new Date();
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
		try {
			date = dateFormat.parse(dateFormat.format(date));
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return date;
	}
        //下面省去get/set方法
        ......
}

 

 二、页面代码

<%@ page contentType="text/html;charset=UTF-8"%>
<%@ include file="/commons/taglibs.jsp"%>
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<title>地铁-警情录入</title>
		<%@ include file="/commons/meta.jsp"%>
		<link rel="stylesheet" href="${ctx}/public/css/text.css" type="text/css">
		<script language=javascript>
			//根据单选按钮选择导入情况
			function daoRu(){
				var obj = document.getElementsByName("excel");
				for(var i = 0; i < obj.length; i++){
		    		if(obj[i].checked){
		    			document.form1.action= obj[i].value;
		    		}
	    		}
	    		document.form1.submit();
			}
   		</script>
	</head>
	<body>
		<form id="form1" name="form1" method="post" enctype="multipart/form-data">
			<table width="98%" align="left" border="0" cellpadding="0" cellspacing="1" class="tabTest">
				<tr>
					<td bgcolor="#eaf7ff" align="right" width="8%" height="28">
						请选择导入类型：
					</td>
					<td width="40%" bgcolor="#eaf7ff" align="left">
						<input type="radio" name="excel" value="${ctx}/jqlr/jqfxJqlrDt/jqfxJqlrDt!daoRu.action" /> 地铁
						<input type="radio" name="excel" value="${ctx}/jqlr/jqfxJqlrGj/jqfxJqlrGj!daoRu.action" /> 公交
					</td>
				</tr>
				<tr>
					<td width="8%" height="31" bgcolor="#eaf7ff" align="right">
						请选择Execl文件：
					</td>
					<td width="40%" bgcolor="#eaf7ff" align="left">
						<input type="file" name="excelFile" />
					</td>
				</tr>
				<tr>
					<td bgcolor="#eaf7ff" align="left" colspan="2">
						<input type="button" name="dr" value="导入" onclick="daoRu()" />
					</td>
				</tr>
			</table>
		</form>
	</body>
</html>