背景：1.pringmvc 框架下 的excel 导入导出
2.OI 操作office.
页面代码：
<div class="modal fade bs-example-modal-lg" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg" style="width:400px;">
<div class="modal-content">
<div style="height:300px;padding:10px;">
<h1>批量导入商品信息</h1>
<div style="margin-top:20px;padding:0px 5px 15px 5px;">
<span><strong>1.下载模板 > 2.导入模板 >3.导入完成</strong></span><br/>
<span><strong>温馨提示:</strong></span>
<div style="line-height:50px;">导入模板格式不能修改，否则会导致导入失败！</div>
<a href="${webRoot}/product/downExcel">下载导入模板</a>
</div>
<div>
<form action="${webRoot}/product/importExcel" id="excelForm" method="post" enctype="multipart/form-data">
<input type="file" name="file" />
<div style="text-align:right;padding-right:50px;">
<button type="button" id="import" class="btn btn-default" >导入</button>
<script>
$("#import").click(function(){
$("#excelForm").submit();
});
</script>
</div>
</form>
</div>
</div>
</div>
</div>
</div>Controller 代码：
@RequestMapping("importExcel")
public String addComm(ModelMap model, HttpServletRequest request) {
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
MultipartFile file = multipartRequest.getFile("file");
String[][] result = null;
ExportUtil exportUtil = new ExportUtil();
try {
exportUtil.SaveFileFromInputStream(file.getInputStream(),
request.getSession().getServletContext()
.getRealPath(File.separator)+"upload", "product.xls");
File file1 = new File(request.getSession().getServletContext()
.getRealPath(File.separator)+"upload" + "/product.xls");
result =exportUtil.getData(file1, 4);
} catch (Exception ex) {
System.out.println("上传文件失败");
ex.printStackTrace();
}
if (result == null)
return null;
User user = (User)request.getSession().getAttribute("user");
if(user==null) return "";
int rowLength = result.length;
List<Product> proList =exportUtil.doProduct(rowLength, result,user);
ps.excelAdd(proList);
return "redirect:/product/getproduct";
}
@RequestMapping("downExcel")
@ResponseBody
public String downExcel(HttpServletResponse response){
try {
ServletOutputStream outputStream = response.getOutputStream();
String fileName = new String(("商品导入模板").getBytes(), "ISO8859_1");
response.setHeader("Content-disposition", "attachment; filename=" + fileName + ".xls");// 组装附件名称和格式
es.exportExcel(outputStream,false);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return "";
}
@RequestMapping("exportExcel")
@ResponseBody
public String exportExcel(HttpServletResponse response){
try {
ServletOutputStream outputStream = response.getOutputStream();
String fileName = new String(("蓝图进销存商品导出").getBytes(), "ISO8859_1");
response.setHeader("Content-disposition", "attachment; filename=" + fileName + ".xls");// 组装附件名称和格式
es.exportExcel(outputStream,true);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return "";
}ExportService:
package com.ly.jxc.service;
import java.io.IOException;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.ServletOutputStream;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
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 org.springframework.stereotype.Service;
import com.ly.jxc.dao.ProductClassDAO;
import com.ly.jxc.dao.ProductDAO;
import com.ly.jxc.dao.ProductUnitDAO;
import com.ly.jxc.entity.Product;
import com.ly.jxc.entity.ProductClass;
import com.ly.jxc.entity.ProductUnit;
import com.ly.jxc.util.ExportUtil;
@Service
public class ExportService {
@Resource
private ProductUnitDAO pud;
@Resource
private ProductClassDAO pcd;
@Resource
private ProductDAO pd;
public void exportExcel(ServletOutputStream outputStream,boolean isDwon)
{
List<ProductUnit> puList = pud.getAllUnit();
List<ProductClass> pcList = pcd.GetAllProductClass();
// 创建一个workbook 对应一个excel应用文件
// HSSWorkbook 是03版excel 的个格式，XSSWorkbook 是07以上版本，HSS 和 XSS 开头分别代表03,07可以切换
HSSFWorkbook workBook = new HSSFWorkbook();
// 在workbook中添加一个sheet,对应Excel文件中的sheet
HSSFSheet sheet = workBook.createSheet("商品导入导出");
//表格默认行宽度
sheet.setDefaultColumnWidth(15);
sheet.setDefaultRowHeightInPoints(100);
ExportUtil exportUtil = new ExportUtil(workBook, sheet);
//设置单元格格式
HSSFCellStyle headStyle = exportUtil.getHeadStyle(false);
HSSFCellStyle bodyStyle = exportUtil.getBodyStyle();
//创建单元格
HSSFCell cell = null;
//合并单元格
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 8));
//创建一行
HSSFRow descRow = sheet.createRow(0);
//设置行高 单位是像素
descRow.setHeightInPoints(80);
//表示穿件的单元格是在第一行
cell=descRow.createCell(0);
//设置单元格格式
cell.setCellStyle(exportUtil.getHeadStyle(true));
//设置单元格值
cell.setCellValue("商品单位和类型填写必须填写对应的数字ID，否则会导入失败！");
// 构建表头
HSSFRow unitRow = sheet.createRow(1);
unitRow.setHeightInPoints(40);
cell=unitRow.createCell(0);
cell.setCellStyle(headStyle);
cell.setCellValue("商品单位-ID:");
// 构建商品单位数据，动态构建导出数据
if (puList != null && puList.size() > 0)
{
for (int j = 0; j < puList.size(); j++)
{
ProductUnit pu = puList.get(j);
cell=unitRow.createCell(j+1);
cell.setCellStyle(bodyStyle);
cell.setCellValue(pu.getName()+"--"+pu.getpId());
}
}
// 构建商品类型表头 ，动态构建导出数据
HSSFRow classRow = sheet.createRow(2);
classRow.setHeightInPoints(40);
cell=classRow.createCell(0);
cell.setCellStyle(headStyle);
cell.setCellValue("商品类型-ID:");
// 构建商品类型数据
if (pcList != null && pcList.size() > 0)
{
for (int j = 0; j < pcList.size(); j++)
{
ProductClass pc = pcList.get(j);
cell=classRow.createCell(j+1);
cell.setCellStyle(bodyStyle);
cell.setCellValue(pc.getName()+"--"+pc.getProductClass_ID());
}
}
HSSFRow bodyRow = sheet.createRow(3);
bodyRow.setHeightInPoints(40);
cell = bodyRow.createCell(0);
cell.setCellStyle(headStyle);
cell.setCellValue("条码");
cell = bodyRow.createCell(1);
cell.setCellStyle(headStyle);
cell.setCellValue("名字");
cell = bodyRow.createCell(2);
cell.setCellStyle(headStyle);
cell.setCellValue("类别ID");
cell = bodyRow.createCell(3);
cell.setCellStyle(headStyle);
cell.setCellValue("产品规格");
cell = bodyRow.createCell(4);
cell.setCellStyle(headStyle);
cell.setCellValue("产品单位");
cell = bodyRow.createCell(5);
cell.setCellStyle(headStyle);
cell.setCellValue("出售价格");
cell = bodyRow.createCell(6);
cell.setCellStyle(headStyle);
cell.setCellValue("进货价格");
cell = bodyRow.createCell(7);
cell.setCellStyle(headStyle);
cell.setCellValue("最低价格");
cell = bodyRow.createCell(8);
cell.setCellStyle(headStyle);
cell.setCellValue("备注");
//如果是导出商品，则需要将商品数据写入
if(isDwon){
List<Product> proList = pd.getAllProducts();
for (int i = 0; i < proList.size(); i++) {
Product p =proList.get(i);
HSSFRow dateRow = sheet.createRow(4+i);
bodyRow.setHeightInPoints(40);
cell = dateRow.createCell(0);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getpId());
cell = dateRow.createCell(1);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getName());
cell = dateRow.createCell(2);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getpList());
cell = dateRow.createCell(3);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getPsID());
cell = dateRow.createCell(4);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getpUtilId());
cell = dateRow.createCell(5);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getPrice());
cell = dateRow.createCell(6);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getStockPrice());
cell = dateRow.createCell(7);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getLowestPrice());
cell = dateRow.createCell(8);
cell.setCellStyle(bodyStyle);
cell.setCellValue(p.getRemark());
}
}
try
{
workBook.write(outputStream);
outputStream.flush();
outputStream.close();
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
try
{
outputStream.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
}辅助类ExportUtil：
package com.ly.jxc.util;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpSession;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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.HSSFColor;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.springframework.beans.factory.annotation.Autowired;
import com.ly.jxc.entity.Product;
import com.ly.jxc.entity.User;
public class ExportUtil {
private HSSFWorkbook wb = null;
private HSSFSheet sheet = null;
@Autowired
HttpSession session;
/**
* @param wb
* @param sheet
*/
public ExportUtil(HSSFWorkbook wb, HSSFSheet sheet) {
this.wb = wb;
this.sheet = sheet;
}
public ExportUtil() {
}
/**
* 合并单元格后给合并后的单元格加边框
*
* @param region
* @param cs
*/
public void setRegionStyle(CellRangeAddress region, XSSFCellStyle cs) {
int toprowNum = region.getFirstRow();
for (int i = toprowNum; i <= region.getLastRow(); i++) {
HSSFRow row = sheet.getRow(i);
for (int j = region.getFirstColumn(); j <= region.getLastColumn(); j++) {
HSSFCell cell = row.getCell(j);// XSSFCellUtil.getCell(row,
// (short) j);
cell.setCellStyle(cs);
}
}
}
/**
* 设置表头的单元格样式
*
* @return
*/
public HSSFCellStyle getHeadStyle(boolean isalert) {
// 创建单元格样式
HSSFCellStyle cellStyle = wb.createCellStyle();
// 设置单元格的背景颜色为淡蓝色
if (!isalert)
cellStyle.setFillForegroundColor(HSSFColor.PALE_BLUE.index);
else
cellStyle.setFillForegroundColor(HSSFColor.RED.index);
cellStyle.setFillPattern(XSSFCellStyle.SOLID_FOREGROUND);
// 设置单元格居中对齐
cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
// 设置单元格垂直居中对齐
cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
// 创建单元格内容显示不下时自动换行
cellStyle.setWrapText(true);
// 设置单元格字体样式
HSSFFont font = wb.createFont();
// 设置字体加粗
font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋体");
if (isalert) {
font.setColor(HSSFColor.WHITE.index);
}
font.setFontHeight((short) 200);
cellStyle.setFont(font);
// 设置单元格边框为细线条
cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
return cellStyle;
}
/**
* 设置表体的单元格样式
*
* @return
*/
public HSSFCellStyle getBodyStyle() {
// 创建单元格样式
HSSFCellStyle cellStyle = wb.createCellStyle();
// 设置单元格居中对齐
cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
// 设置单元格垂直居中对齐
cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
// 创建单元格内容显示不下时自动换行
cellStyle.setWrapText(true);
// 设置单元格字体样式
HSSFFont font = wb.createFont();
// 设置字体加粗
font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
font.setFontName("宋体");
font.setFontHeight((short) 200);
cellStyle.setFont(font);
// 设置单元格边框为细线条
cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
return cellStyle;
}
// 将MultipartFile 转换为File
public static void SaveFileFromInputStream(InputStream stream, String path,
String savefile) throws IOException {
FileOutputStream fs = new FileOutputStream(path + "/" + savefile);
// System.out.println("------------"+path + "/"+ savefile);
byte[] buffer = new byte[1024 * 1024];
int bytesum = 0;
int byteread = 0;
while ((byteread = stream.read(buffer)) != -1) {
bytesum += byteread;
fs.write(buffer, 0, byteread);
fs.flush();
}
fs.close();
stream.close();
}
/**
*
* 读取Excel的内容，第一维数组存储的是一行中格列的值，二维数组存储的是多少个行
*
* @param file
* 读取数据的源Excel
*
* @param ignoreRows
* 读取数据忽略的行数，比喻行头不需要读入 忽略的行数为1
*
* @return 读出的Excel中数据的内容
*
* @throws FileNotFoundException
*
* @throws IOException
*/
public static String[][] getData(File file, int ignoreRows)throws Exception {
List<String[]> result = new ArrayList<String[]>();
int rowSize = 0;
BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
// 打开HSSFWorkbook
POIFSFileSystem fs = new POIFSFileSystem(in);
HSSFWorkbook wb = new HSSFWorkbook(fs);
HSSFCell cell = null;
for (int sheetIndex = 0; sheetIndex < wb.getNumberOfSheets(); sheetIndex++) {
HSSFSheet st = wb.getSheetAt(sheetIndex);
// 第一行为标题，不取
for (int rowIndex = ignoreRows; rowIndex <= st.getLastRowNum(); rowIndex++) {
HSSFRow row = st.getRow(rowIndex);
if (row == null) {
continue;
}
int tempRowSize = row.getLastCellNum() + 1;
if (tempRowSize > rowSize) {
rowSize = tempRowSize;
}
String[] values = new String[rowSize];
Arrays.fill(values, "");
boolean hasValue = false;
for (short columnIndex = 0; columnIndex <= row.getLastCellNum(); columnIndex++) {
String value = "";
cell = row.getCell(columnIndex);
if (cell != null) {
// 注意：一定要设成这个，否则可能会出现乱码
switch (cell.getCellType()) {
case HSSFCell.CELL_TYPE_STRING:
value = cell.getStringCellValue();
break;
case HSSFCell.CELL_TYPE_NUMERIC:
if (HSSFDateUtil.isCellDateFormatted(cell)) {
Date date = cell.getDateCellValue();
if (date != null) {
value = new SimpleDateFormat("yyyy-MM-dd").format(date);
} else {
value = "";
}
} else {
value = new DecimalFormat("0").format(cell.getNumericCellValue());
}
break;
case HSSFCell.CELL_TYPE_FORMULA:
// 导入时如果为公式生成的数据则无值
if (!cell.getStringCellValue().equals("")) {
value = cell.getStringCellValue();
} else {
value = cell.getNumericCellValue() + "";
}
break;
case HSSFCell.CELL_TYPE_BLANK:
break;
case HSSFCell.CELL_TYPE_ERROR:
value = "";
break;
case HSSFCell.CELL_TYPE_BOOLEAN:
value = (cell.getBooleanCellValue() == true ? "Y"
: "N");
break;
default:
value = "";
}
}
if (columnIndex == 0 && value.trim().equals("")) {
break;
}
values[columnIndex] = rightTrim(value);
hasValue = true;
}
if (hasValue) {
result.add(values);
}
}
}
in.close();
String[][] returnArray = new String[result.size()][rowSize];
for (int i = 0; i < returnArray.length; i++) {
returnArray[i] = (String[]) result.get(i);
}
return returnArray;
}
/**
*
* 去掉字符串右边的空格
*
* @param str
* 要处理的字符串
*
* @return 处理后的字符串
*/
public static String rightTrim(String str) {
if (str == null) {
return "";
}
int length = str.length();
for (int i = length - 1; i >= 0; i--) {
if (str.charAt(i) != 0x20) {
break;
}
length--;
}
return str.substring(0, length);
}
public List<Product> doProduct(int rowLength,String[][] result,User user){
// 默认从1 开始 本来是为0 剔除掉
List<Product> proList = new ArrayList<Product>();
Date date = new Date();
for (int i = 0; i < rowLength; i++) {
Product pro = new Product();
for (int j = 0; j < result[i].length; j++) {// 默认从1开始添加
// 客户ID 客户名 客户类型 客户电话 客户状态 创建时间 放出时间 跟入时间 跟入人 放出人
// 27 法规和热 特级 1212121 1 41773 2014-05-14 10:20:48.0 yq1012
// 整理 id 去掉 。 创建时间 换成当前时间，，，放出时间 跟入时间 跟入人 放出人----全不要
// 格式如上
// System.out.print(result[i][j]+"\t\t");
if (j == 0) // 编码
pro.setpId(result[i][j]);
if (j == 1) // 名字
pro.setName(result[i][j]);
if (j == 2) // 类别
pro.setpList(Integer.parseInt(result[i][j]));
if (j == 3) // 商品规格
pro.setPsID(result[i][j]);
if (j == 4)// 单位
pro.setpUtilId(Integer.parseInt(result[i][j]));
if (j == 5)// 出售价格
pro.setPrice(Double.parseDouble(result[i][j]));
if (j == 6) // 进货价格
pro.setStockPrice(Double.parseDouble(result[i][j]));
if (j == 7)// 最低价格
pro.setLowestPrice(Double.parseDouble(result[i][j]));
if (j == 8)// 备注
pro.setRemark(result[i][j]);
}
pro.setUserId(user.getUser_Id());
proList.add(pro);
// crmService.saveCrmUser(crm);
}
return proList;
}
}
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