ssh poi匯出匯入Excel
阿新 • • 發佈：2019-02-20
首先需要匯入支援jar包
poi-3.11-20141221.jar
poi-ooxml-3.11-20141221.jar
poi-ooxml-schemas-3.11-20141221.jar
xmlbeans-2.6.0.jar
user類
資料表user
User.hbmxml
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="cn.user.entity.User" table="user"> <id name="id" type="java.lang.String"> <column name="id" length="32" /> <generator class="uuid.hex" /> </id> <property name="name" type="java.lang.String"> <column name="name" length="20" not-null="true" /> </property> <property name="dept" type="java.lang.String"> <column name="dept" length="20" not-null="true" /> </property> <property name="account" type="java.lang.String"> <column name="account" length="50" not-null="true" /> </property> <property name="password" type="java.lang.String"> <column name="password" length="50" not-null="true" /> </property> <property name="headImg" type="java.lang.String"> <column name="headImg" length="100" /> </property> <property name="gender" type="character"> <column name="gender" length="1" /> </property> <property name="email" type="java.lang.String"> <column name="email" length="50" /> </property> <property name="mobile" type="java.lang.String"> <column name="mobile" length="20" /> </property> <property name="birthday" type="java.util.Date"> <column name="birthday" length="10" /> </property> <property name="state" type="java.lang.String"> <column name="state" length="1" /> </property> <property name="memo" type="java.lang.String"> <column name="memo" length="200" /> </property> </class> </hibernate-mapping>
不懂的先來測試瞭解一下excel的用法
import java.io.FileInputStream; import java.io.FileOutputStream; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFCellStyle; import org.apache.poi.hssf.usermodel.HSSFFont; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.hssf.util.CellRangeAddress; import org.apache.poi.hssf.util.HSSFColor; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import org.junit.Test; /*excel基礎元素 工作簿 工作表（屬於工作簿） 行（屬於工作表） 單元格（屬於行；由行和列確定） -------------操作excel 1、建立/讀取工作簿 2、建立/讀取工作表 3、建立/讀取行 4、建立/讀取單元格 -----------excel樣式 合併單元格物件（CellRangeAddress）屬於工作簿；運用於工作表 CellRangeAddress(int firstRow, int lastRow, int firstCol, int lastCol) 起始行號，結束行號，起始列號，結束列號 樣式是屬於工作簿的；運用於單元格 字型是屬於工作簿的；加載於樣式；通用樣式運用於單元格*/ public class TestPOI2Eecel { //03版本建立工作簿excel設定內容 @Test public void testWrite03() throws Exception{ //1、建立工作簿 HSSFWorkbook workbook=new HSSFWorkbook(); //2、建立工作表 HSSFSheet sheet=workbook.createSheet("hello word"); //3、建立行 第三行 HSSFRow row=sheet.createRow(2); //4、建立單元格 第三行第三列 HSSFCell cell= row.createCell(2); cell.setCellValue("hello word"); //輸出到硬碟 FileOutputStream outputStream= new FileOutputStream("E:\\測試.xls"); //把Excel輸出到具體地址 workbook.write(outputStream); workbook.close(); outputStream.close(); } //03版本讀取工作簿excel內容 @Test public void testRead03() throws Exception{ //1、讀取工作簿 FileInputStream inputStream= new FileInputStream("E:\\測試.xls"); HSSFWorkbook workbook=new HSSFWorkbook(inputStream); //2、讀取工作表 HSSFSheet sheet=workbook.getSheetAt(0); //3、讀取行 第三行 HSSFRow row=sheet.getRow(2); //4、讀取單元格 第三行第三列 HSSFCell cell= row.getCell(2); System.out.println("03獲取單元格內容："+cell.getStringCellValue()); workbook.close(); inputStream.close(); } //07版本建立工作簿excel設定內容 @Test public void testWrite07() throws Exception{ //1、建立工作簿 XSSFWorkbook workbook=new XSSFWorkbook(); //2、建立工作表 XSSFSheet sheet=workbook.createSheet("hello word"); //3、建立行 第三行 XSSFRow row=sheet.createRow(2); //4、建立單元格 第三行第三列 XSSFCell cell= row.createCell(2); cell.setCellValue("hello word"); //輸出到硬碟 FileOutputStream outputStream= new FileOutputStream("E:\\測試.xlsx"); //把Excel輸出到具體地址 workbook.write(outputStream); workbook.close(); outputStream.close(); } //07版本讀取工作簿excel內容 @Test public void testRead07() throws Exception{ //1、讀取工作簿 FileInputStream inputStream= new FileInputStream("E:\\測試.xlsx"); XSSFWorkbook workbook=new XSSFWorkbook(inputStream); //2、讀取工作表 XSSFSheet sheet=workbook.getSheetAt(0); //3、讀取行 第三行 XSSFRow row=sheet.getRow(2); //4、讀取單元格 第三行第三列 XSSFCell cell= row.getCell(2); System.out.println("07獲取單元格內容："+cell.getStringCellValue()); workbook.close(); inputStream.close(); } //03 07版本讀取工作簿excel內容 .xls字尾表示03版本 .xlsx字尾表示07版本 @Test public void testRead03And07() throws Exception{ //1、讀取工作簿 String fileName="E:\\測試.xls"; //是否是excel ^開始 $結束 ?i 忽略大小寫 xls |xlsx 字尾名 \\.表示最後. if (fileName.matches("^.+\\.(?i)((xls)|(xlsx))$")); { //用正則表示式判斷是03版本 boolean is03Excel=fileName.matches("^.+\\.(?i)(xls)$"); FileInputStream inputStream=new FileInputStream(fileName); Workbook workbook=is03Excel? new HSSFWorkbook(inputStream):new XSSFWorkbook(inputStream); //2、讀取工作表 Sheet sheet=workbook.getSheetAt(0); //3、讀取行 第三行 Row row=sheet.getRow(2); //4、讀取單元格 第三行第三列 Cell cell= row.getCell(2); System.out.println("第三行第三列獲取單元格內容："+cell.getStringCellValue()); workbook.close(); inputStream.close(); } } //03版本建立工作簿excel設定內容樣式 @Test public void testWriteStyle() throws Exception{ //1、建立工作簿 HSSFWorkbook workbook=new HSSFWorkbook(); //1.1合併單元格 第三行3到5列 應用到工作表 CellRangeAddress cellRangeAddress= new CellRangeAddress(2,2,2,4); //起始行號，結束行號，起始列號，結束列號 //1.2樣式 應用到單元格 HSSFCellStyle style=workbook.createCellStyle(); style.setAlignment(HSSFCellStyle.ALIGN_CENTER); //水平居中 style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);//垂直居中 //1.3建立字型 字型是屬於工作簿的；加載於樣式；通用樣式運用於單元格 HSSFFont font= workbook.createFont(); font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);//加粗字型 //font.setFontHeight((short)280); //設定字型大小 1/20 font.setFontHeightInPoints((short)16); style.setFont(font);//加載於樣式 // 1.4設定單元格背景 //設定背景模式 SOLID_FOREGROUND 背景以設定前景顏色一樣 style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); //設定填充背景顏色 style.setBottomBorderColor(HSSFColor.YELLOW.index); //設定填充前景顏色 //style.setFillForegroundColor(HSSFColor.YELLOW.index);//黃色背景 style.setFillForegroundColor(HSSFColor.RED.index);//紅色背景 //2、建立工作表 HSSFSheet sheet=workbook.createSheet("hello word"); sheet.addMergedRegion(cellRangeAddress); //3、建立行 第三行 HSSFRow row=sheet.createRow(2); //4、建立單元格 第三行第三列 HSSFCell cell= row.createCell(2); cell.setCellStyle(style); cell.setCellValue("hello word"); //輸出到硬碟 FileOutputStream outputStream= new FileOutputStream("E:\\測試.xls"); //把Excel輸出到具體地址 workbook.write(outputStream); workbook.close(); outputStream.close(); } }
搞懂上面就開始弄匯出匯入
前端頁面
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>使用者管理</title> <%@include file="/common/header.jsp" %> <script type="text/javascript"> //全選、全反選 function doSelectAll(){ // jquery 1.6 前 //$("input[name=selectedRow]").attr("checked", $("#selAll").is(":checked")); //prop jquery 1.6+建議使用 $("input[name=selectedRow]").prop("checked", $("#selAll").is(":checked")); } //新增 function doAdd(){ document.forms[0].action = "${basePath}nsfw/user_addUI.action"; document.forms[0].submit(); } //編輯 function doEdit(id){ document.forms[0].action = "${basePath}nsfw/user_editUI.action?user.id=" + id; document.forms[0].submit(); } //刪除 function doDelete(id){ document.forms[0].action = "${basePath}nsfw/user_delete.action?user.id=" + id; document.forms[0].submit(); } //批量刪除 function doDeleteAll(){ document.forms[0].action = "${basePath}nsfw/user_deleteSelected.action"; document.forms[0].submit(); } //匯出使用者列表 function doExportExcel(){ window.open("${basePath}nsfw/user_exportExcel.action"); } //匯入 function doImportExcel(){ document.forms[0].action = "${basePath}nsfw/user_importExcel.action"; document.forms[0].submit(); } </script> </head> <body class="rightBody"> <form name="form1" action="" method="post" enctype="multipart/form-data"> <div class="p_d_1"> <div class="p_d_1_1"> <div class="content_info"> <div class="c_crumbs"><div><b></b><strong>使用者管理</strong></div> </div> <div class="search_art"> <li> 使用者名稱：<s:textfield name="user.name" cssClass="s_text" id="userName" cssStyle="width:160px;"/> </li> <li><input type="button" class="s_button" value="搜 索" onclick="doSearch()"/></li> <li style="float:right;"> <input type="button" value="新增" class="s_button" onclick="doAdd()"/> <input type="button" value="刪除" class="s_button" onclick="doDeleteAll()"/> <input type="button" value="匯出" class="s_button" onclick="doExportExcel()"/> <input name="userExcel" type="file"/> <input type="button" value="匯入" class="s_button" onclick="doImportExcel()"/> </li> </div> <div class="t_list" style="margin:0px; border:0px none;"> <table width="100%" border="0"> <tr class="t_tit"> <td width="30" align="center"><input type="checkbox" id="selAll" onclick="doSelectAll()" /></td> <td width="140" align="center">使用者名稱</td> <td width="140" align="center">帳號</td> <td width="160" align="center">所屬部門</td> <td width="80" align="center">性別</td> <td align="center">電子郵箱</td> <td width="100" align="center">操作</td> </tr> <s:iterator value="userList" status="st"> <tr <s:if test="#st.odd">bgcolor="f8f8f8"</s:if> > <td align="center"><input type="checkbox" name="selectedRow" value="<s:property value='id'/>" /></td> <td align="center"><s:property value="name"/></td> <td align="center"><s:property value="account"/></td> <td align="center"><s:property value="dept"/></td> <%-- <td align="center"><s:property value="gender?'男':'女'"/></td> --%> <td align="center"><s:property value="gender"/></td> <td align="center"><s:property value="email"/></td> <td align="center"> <a href="javascript:doEdit('<s:property value='id'/>')">編輯</a> <a href="javascript:doDelete('<s:property value='id'/>')">刪除</a> </td> </tr> </s:iterator> </table> </div> </div> <div class="c_pate" style="margin-top: 5px;"> <table width="100%" class="pageDown" border="0" cellspacing="0" cellpadding="0"> <tr> <td align="right"> 總共1條記錄，當前第 1 頁，共 1 頁 <a href="#">上一頁</a> <a href="#">下一頁</a> 到 <input type="text" style="width: 30px;" onkeypress="if(event.keyCode == 13){doGoPage(this.value);}" min="1" max="" value="1" /> </td> </tr> </table> </div> </div> </div> </form> </body> </html>
接下來寫一個Useraction類
import java.io.File;
import java.util.List;
import java.util.UUID;
import javax.annotation.Resource;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import cn.itcast.nsfw.user.entity.User;
import cn.itcast.nsfw.user.service.UserService;
import com.opensymphony.xwork2.ActionSupport;
public class UserAction extends ActionSupport {
@Resource
private UserService userService;
private List<User> userList;
private User user;
private String[] selectedRow;
private File headImg;
private String headImgContentType;
private String headImgFileName;
private File userExcel;
private String userExcelContentType;
private String userExcelFileName;
//列表頁面
public String listUI(){
userList = userService.findObjects();
return "listUI";
}
//跳轉到新增頁面
public String addUI(){
return "addUI";
}
//儲存新增
public String add(){
try {
if(user != null){
//處理頭像
if(headImg != null){
//1、儲存頭像到upload/user
//獲取儲存路徑的絕對地址
String filePath = ServletActionContext.getServletContext().getRealPath("upload/user");
String fileName = UUID.randomUUID().toString().replaceAll("-", "") + headImgFileName.substring(headImgFileName.lastIndexOf("."));
//複製檔案
File destFile=new File(filePath, fileName);
FileUtils.copyFile(headImg, destFile);
//2、設定使用者頭像路徑
user.setHeadImg("user/" + fileName);
}
userService.save(user);
}
} catch (Exception e) {
e.printStackTrace();
}
return "list";
}
//跳轉到編輯頁面
public String editUI(){
if (user != null && user.getId() != null) {
user = userService.findObjectById(user.getId());
}
return "editUI";
}
//儲存編輯
public String edit(){
try {
if(user != null){
//處理頭像
if(headImg != null){
//1、儲存頭像到upload/user
//獲取儲存路徑的絕對地址
String filePath = ServletActionContext.getServletContext().getRealPath("upload/user");
String fileName = UUID.randomUUID().toString().replaceAll("-", "") + headImgFileName.substring(headImgFileName.lastIndexOf("."));
//複製檔案
File destFile=new File(filePath, fileName);
FileUtils.copyFile(headImg, destFile);
//1.2刪除原來頭像
//13獲取原來頭像絕對路徑
String oldPath = ServletActionContext.getServletContext().getRealPath("upload");
/**
* 因為原來路徑為getRealPath("upload/user");但是儲存時候user.setHeadImg("user/" + fileName);已經加了/user 所以上面獲取upload就可以
*
* 複製頭像到檔案 相當於到upload/userw資料夾找到原來的頭像 然後刪除
*/
File oldFile=new File(oldPath, user.getHeadImg());
//刪除
oldFile.delete();
//2、設定使用者頭像路徑
user.setHeadImg("user/" + fileName);
}
userService.update(user);
}
} catch (Exception e) {
e.printStackTrace();
}
return "list";
}
//刪除
public String delete(){
if(user != null && user.getId() != null){
userService.delete(user.getId());
}
return "list";
}
//批量刪除
public String deleteSelected(){
if(selectedRow != null){
for(String id: selectedRow){
userService.delete(id);
}
}
return "list";
}
//匯出使用者列表
public void exportExcel(){
try {
//1、查詢使用者列表
userList = userService.findObjects();
//2、匯出
HttpServletResponse response = ServletActionContext.getResponse();
//告訴瀏覽器匯出為excel檔案型別
response.setContentType("application/x-execl");
//設定以瀏覽器開啟方式並且設定檔名以及編碼
response.setHeader("Content-Disposition", "attachment;filename=" + new String("使用者列表.xls".getBytes(), "ISO-8859-1"));
//獲取輸出流
ServletOutputStream outputStream = response.getOutputStream();
//呼叫匯出方法
userService.exportExcel(userList, outputStream);
if(outputStream != null){
outputStream.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
//匯入使用者列表
public String importExcel(){
//1、獲取excel檔案
if(userExcel != null){
//是否是excel ^開始 .+任意字串 $結束 ?i 忽略大小寫 xls | xlsx 字尾名 \\.表示最後.
if(userExcelFileName.matches("^.+\\.(?i)((xls)|(xlsx))$")){
//2、匯入
userService.importExcel(userExcel, userExcelFileName);
}
}
return "list";
}
public List<User> getUserList() {
return userList;
}
public void setUserList(List<User> userList) {
this.userList = userList;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String[] getSelectedRow() {
return selectedRow;
}
public void setSelectedRow(String[] selectedRow) {
this.selectedRow = selectedRow;
}
public File getHeadImg() {
return headImg;
}
public void setHeadImg(File headImg) {
this.headImg = headImg;
}
public String getHeadImgContentType() {
return headImgContentType;
}
public void setHeadImgContentType(String headImgContentType) {
this.headImgContentType = headImgContentType;
}
public String getHeadImgFileName() {
return headImgFileName;
}
public void setHeadImgFileName(String headImgFileName) {
this.headImgFileName = headImgFileName;
}
public File getUserExcel() {
return userExcel;
}
public void setUserExcel(File userExcel) {
this.userExcel = userExcel;
}
public String getUserExcelContentType() {
return userExcelContentType;
}
public void setUserExcelContentType(String userExcelContentType) {
this.userExcelContentType = userExcelContentType;
}
public String getUserExcelFileName() {
return userExcelFileName;
}
public void setUserExcelFileName(String userExcelFileName) {
this.userExcelFileName = userExcelFileName;
}
}
接下來service層
import java.io.File;
import java.io.FileInputStream;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.ServletOutputStream;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.stereotype.Service;
import cn.itcast.core.util.ExcelUtil;
import cn.itcast.nsfw.user.dao.UserDao;
import cn.itcast.nsfw.user.entity.User;
import cn.itcast.nsfw.user.service.UserService;
@Service("userService")
public class UserServiceImpl implements UserService {
@Resource
private UserDao userDao;
@Override
public void save(User user) {
userDao.save(user);
}
@Override
public void update(User user) {
userDao.update(user);
}
@Override
public void delete(Serializable id) {
userDao.delete(id);
}
@Override
public User findObjectById(Serializable id) {
return userDao.findObjectById(id);
}
@Override
public List<User> findObjects() {
return userDao.findObjects();
}
//實現匯出
public void exportExcel(List<User> userList, ServletOutputStream outputStream) {
ExcelUtil.exportUserExcel(userList, outputStream);
}
//實現匯入
public void importExcel(File userExcel, String userExcelFileName) {
try {
FileInputStream fileInputStream = new FileInputStream(userExcel);
//正則表示式判斷excel為03版本 ^開始 $結束 ?i 忽略大小寫 xls 字尾名 \\.最後. 03版本字尾為xls 07版本 xlsx
boolean is03Excel = userExcelFileName.matches("^.+\\.(?i)(xls)$");
//1、讀取工作簿
Workbook workbook = is03Excel ? new HSSFWorkbook(fileInputStream):new XSSFWorkbook(fileInputStream);
//2、讀取工作表
Sheet sheet = workbook.getSheetAt(0);
//3、讀取行
if(sheet.getPhysicalNumberOfRows() > 2){
User user = null;
for(int k = 2; k < sheet.getPhysicalNumberOfRows(); k++){
//4、讀取單元格
Row row = sheet.getRow(k);
user = new User();
//使用者名稱
Cell cell0 = row.getCell(0);
user.setName(cell0.getStringCellValue());
//帳號
Cell cell1 = row.getCell(1);
user.setAccount(cell1.getStringCellValue());
//所屬部門
Cell cell2 = row.getCell(2);
user.setDept(cell2.getStringCellValue());
//性別
Cell cell3 = row.getCell(3);
//user.setGender(cell3.getStringCellValue().equals("男"));
char ch=cell3.getStringCellValue().charAt(0); //將獲取的字串轉為字元
System.out.println(ch);
user.setGender(ch);
//手機號
String mobile = "";
Cell cell4 = row.getCell(4);
try {
mobile = cell4.getStringCellValue();
} catch (Exception e) {
double dMobile = cell4.getNumericCellValue();
mobile = BigDecimal.valueOf(dMobile).toString();
}
user.setMobile(mobile);
//電子郵箱
Cell cell5 = row.getCell(5);
user.setEmail(cell5.getStringCellValue());
//生日
Cell cell6 = row.getCell(6);
if(cell6.getDateCellValue() != null){
user.setBirthday(cell6.getDateCellValue());
}
//預設使用者密碼為 123456
user.setPassword("123456");
//預設使用者狀態為 有效
user.setState(User.USER_STATE_VALID);
//5、儲存使用者
save(user);
}
}
workbook.close();
fileInputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
匯出的方法抽取
package cn.itcast.core.util;
import java.util.List;
import javax.servlet.ServletOutputStream;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.util.CellRangeAddress;
import cn.itcast.nsfw.user.entity.User;
public class ExcelUtil {
/**
* 匯出使用者的所有列表到excel
* @param userList 使用者列表
* @param outputStream 輸出流
*/
public static void exportUserExcel(List<User> userList, ServletOutputStream outputStream) {
try {
//1、建立工作簿
HSSFWorkbook workbook = new HSSFWorkbook();
//1.1、建立合併單元格物件
CellRangeAddress cellRangeAddress = new CellRangeAddress(0, 0, 0, 4);//起始行號，結束行號，起始列號，結束列號
//1.2、頭標題樣式
HSSFCellStyle style1 = createCellStyle(workbook, (short)16);
//1.3、列標題樣式
HSSFCellStyle style2 = createCellStyle(workbook, (short)13);
//2、建立工作表
HSSFSheet sheet = workbook.createSheet("使用者列表");
//2.1、載入合併單元格物件
sheet.addMergedRegion(cellRangeAddress);
//設定預設列寬
sheet.setDefaultColumnWidth(25);
//3、建立行
//3.1、建立頭標題行；並且設定頭標題
HSSFRow row1 = sheet.createRow(0);
HSSFCell cell1 = row1.createCell(0);
//載入單元格樣式
cell1.setCellStyle(style1);
cell1.setCellValue("使用者列表");
//3.2、建立列標題行；並且設定列標題
HSSFRow row2 = sheet.createRow(1);
String[] titles = {"使用者名稱","帳號", "所屬部門", "性別", "電子郵箱"};
for(int i = 0; i < titles.length; i++){
HSSFCell cell2 = row2.createCell(i);
//載入單元格樣式
cell2.setCellStyle(style2);
cell2.setCellValue(titles[i]);
}
//4、操作單元格；將使用者列表寫入excel
if(userList != null){
for(int j = 0; j < userList.size(); j++){
HSSFRow row = sheet.createRow(j+2);//因為前面已經2行了所以要+2
HSSFCell cell11 = row.createCell(0);
cell11.setCellValue(userList.get(j).getName());
HSSFCell cell12 = row.createCell(1);
cell12.setCellValue(userList.get(j).getAccount());
HSSFCell cell13 = row.createCell(2);
cell13.setCellValue(userList.get(j).getDept());
HSSFCell cell14 = row.createCell(3);
//cell14.setCellValue(userList.get(j).isGender()?"男":"女");
System.out.println(userList.get(j).getGender());
cell14.setCellValue(String.valueOf(userList.get(j).getGender())); //注意：要將字元轉為字串
HSSFCell cell15 = row.createCell(4);
cell15.setCellValue(userList.get(j).getEmail());
}
}
//5、輸出
workbook.write(outputStream);
workbook.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 建立單元格樣式
* @param workbook 工作簿
* @param fontSize 字型大小
* @return 單元格樣式
*/
private static HSSFCellStyle createCellStyle(HSSFWorkbook workbook, short fontSize) {
HSSFCellStyle style = workbook.createCellStyle();
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);//水平居中
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);//垂直居中
//建立字型
HSSFFont font = workbook.createFont();
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);//加粗字型
font.setFontHeightInPoints(fontSize);
//載入字型
style.setFont(font);
return style;
}
}
user-struts.xml主要程式碼
<package name="user-action" namespace="/nsfw" extends="struts-default">
<action name="user_*" class="cn.user.action.UserAction" method="{1}">
<result name="{1}">/WEB-INF/jsp/nsfw/user/{1}.jsp</result>
<result name="list" type="redirectAction">
<param name="actionName">user_listUI</param>
</result>
</action>
</package>
要匯入的excel檔案內容
匯入後
