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java上传excel并读取excel

2015-10-21 11:50 369 查看

jsp

<%@page language="java" contentType="text/html; charset=UTF-8"

   pageEncoding="UTF-8"%>

<%@page import="net.risesoft.soa.framework.session.SessionUser"%>

<%@page import="net.risesoft.soa.framework.session.SessionConst"%>

<%@taglib prefix="s" uri="/struts-tags"%>

<%

   String path = request.getContextPath();

   String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";

   SessionUser sessionUser = (SessionUser) request.getSession().getAttribute(SessionConst.USER);

%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<base href="<%=basePath%>">

<title>工资导入</title>

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">

<style type="text/css">

body {

   font-size: 14px;

}

input {

   vertical-align: middle;

   margin: 0;

   padding: 0

}

.file-box {

   padding-left:340px;

   text-align:center;

   position: relative;

   width: 340px

}

.txt {

   height: 22px;

   border: 1px solid #cdcdcd;

   width: 180px;

}

.btn {

   background-color: #FFF;

   border: 1px solid #CDCDCD;

   height: 24px;

   width: 70px;

}

.file {

   position: absolute;

   top: 0;

   right: 80px;

   height: 24px;

   filter: alpha(opacity : 0);

   opacity: 0;

   width: 260px

}

</style>

</head>

<body>

   <div style="height:100px;"></div>

   <div class="file-box">

       <form id="importForm" method="post" action="config_execute.action"
enctype="multipart/form-data">

           <input type='text' name='fileName' id='textfield' class='txt' />

           <input type='button' class='btn' value='浏览...' />

           <input type="file" name="file" class="file" required=true size="28" onchange='$("#textfield").val(this.value)' />

           <input type="submit" name="submit" class="btn" value="保存" onClick="return save2Form();"/>

       </form>

       <div style="height:10px;"></div>

       <p><b style="color:red;">注释：</b><span style="color:red;">请严格按照模版规格上传。</span></p>

   </div>

</body>

<script type="text/javascript">

   function save2Form() {

       var flag = $('#importForm').form('validate');

       if (flag) {

           true;

       } else {

           false

       }

   };

</script>

</html>

action

    private File file;

   private String fileFileName;

   private String fileContentType;

    @Override

   public String execute() throws Exception {

       _isalaryConfig.setExcelDate(file, getUser().getPerson().getTenantID());

       write(getJson(true, "工资导入成功!"));

       return SUCCESS;

   }

impl

@Transactional

   public void setExcelDate(File file, String tenantID) throws Exception {

       // 取得单位工资条配置信息

       List<ExcelDate> excelDateList = new ArrayList<ExcelDate>();

       SalaryConfig salaryConfig = getSalaryConfig(tenantID);

       // 从文件流中获取Excel工作区对象（WorkBook)

       Workbook wb = Workbook.getWorkbook(file);

       if (salaryConfig != null) {

           excelDateList = readExcel(wb, tenantID, salaryConfig.getNameLine(), salaryConfig.getCodeLine(), salaryConfig.getYearLine(), salaryConfig.getMonthLine());

       } else {

           excelDateList = readExcel(wb, tenantID, 0, 1, 2, 3);

       }

       _excelDateDao.save(excelDateList);

   }



   /**

   *

   * @Title: readExcel

   * @Description: 读取excel返回list

   * @param @param wb

   * @param @param tenantID

   * @param @param nameColumn

   * @param @param codeColumn

   * @param @param yearColumn

   * @param @param monthColumn

   * @param @return

   * @param @throws Exception    设定文件

   * @return List<ExcelDate>    返回类型

   * @throws

   */

   @Transactional

   private List<ExcelDate> readExcel(Workbook wb, String tenantID, int nameColumn, int codeColumn, int yearColumn, int monthColumn) throws Exception {

       List<ExcelDate> excelDateList = new ArrayList<ExcelDate>();

       // 从工作区中取得页（Sheet）

       Sheet sheet = wb.getSheet(0);

       for (int i = 1; i < sheet.getRows(); i++) {

           ExcelDate excelDate = new ExcelDate();

           Cell cellPersonName = sheet.getCell(nameColumn, i);

           Cell cellPersonCode = sheet.getCell(codeColumn, i);

           Cell cellSalaryYear = sheet.getCell(yearColumn, i);

           Cell cellSalaryMonth = sheet.getCell(monthColumn, i);

           excelDate.setPersonCode(cellPersonCode.getContents());

           excelDate.setPersonName(cellPersonName.getContents());

           excelDate.setSalaryYear(cellSalaryYear.getContents());

           excelDate.setSalaryMonth(cellSalaryMonth.getContents());

           excelDate.setTenantID(tenantID);

           // 循环打印Excel表中的内容

           StringBuffer sb = new StringBuffer();

           for (int j = 0; j < sheet.getColumns(); j++) {

               Cell cell = sheet.getCell(j, i);

               Cell cellt = sheet.getCell(j, 0);

               sb.append(cellt.getContents()).append(",").append(cell.getContents()).append(";");

           }

           excelDate.setSalaryDetails(sb.toString());

           excelDateList.add(excelDate);

       }

       return excelDateList;

   }

注释：后台定义三个就能取得相对的东西(后台方法必须返回SUCCESS，jsp页面必须[b]enctype="multipart/form-data")
[/b]

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