excle批量导入数据到数据库中
1.工具类：
package com.longjin.comm.utils;
import org.apache.commons.lang.StringUtils;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.util.IOUtils;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
/**
* 描述:ExcelUtil
*
* @author 何志鹏
* @ClassName:ExcelUtil
* @create 2019-05-27 10:31
* Version 1.0
*/
public class ExcelUtil {
public static List importExcel(InputStream input, int startLine) {
Workbook workbook = null;
List dataList = new ArrayList();
try {
workbook = WorkbookFactory.create(input);
} catch (IOException e) {
e.printStackTrace();
} catch (InvalidFormatException e) {
e.printStackTrace();
}
if (null != workbook) {
Sheet readSheet = workbook.getSheetAt(0);
//获取第一行数据
int cellNum = null == readSheet.getRow(0) ? 0 : readSheet.getRow(0).getLastCellNum();
Row readRow = null;
Cell readCell = null;
StringBuffer buff = new StringBuffer();
for (int i = startLine; i < readSheet.getLastRowNum() + 1; i++) {
buff.delete(0, buff.length());
readRow = readSheet.getRow(i);
if (readRow != null) {
for (int j = 0; j < cellNum; j++) {
readCell = readRow.getCell(j);
if (j < (cellNum - 1)) {
if (readCell != null) {
readCell.setCellType(Cell.CELL_TYPE_STRING);
buff.append(readCell.getStringCellValue() + ",");
} else {
buff.append(",");
}
} else {
if (readCell != null) {
readCell.setCellType(Cell.CELL_TYPE_STRING);
buff.append(StringUtils.isBlank(readCell.getStringCellValue()) ? "" : readCell.getStringCellValue());
} else {
buff.append(",");
}
}
}
dataList.add(buff.toString());
}
}
}
return dataList;
}
/**
* 调用浏览器 导出Excle
*
* @param headers
* @param dataList
* @param response
* @param fileName
*/
public static void exportExcel(String[] headers, List dataList, HttpServletResponse response, String fileName) {
//声明一个工作谱
HSSFWorkbook workbook = new HSSFWorkbook();
//生成一个表格
HSSFSheet sheet = workbook.createSheet("default");
//默认为15字节
sheet.setDefaultColumnWidth(15);
//生成一个样式
HSSFCellStyle style = workbook.createCellStyle();
style.setFillForegroundColor(HSSFColor.SKY_BLUE.index);
style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
style.setBorderTop(HSSFCellStyle.BORDER_THIN);
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
HSSFFont font = workbook.createFont();
font.setColor(HSSFColor.VIOLET.index);
font.setFontHeightInPoints((short) 12);
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
style.setFont(font);
HSSFRow row = sheet.createRow(0);
HSSFCell cell = null;
HSSFRichTextString text = null;
for (int i = 0; i < headers.length; i++) {
cell = row.createCell(i);
cell.setCellStyle(style);
text = new HSSFRichTextString(headers[i]);
cell.setCellValue(text);
}
if ((null != dataList) && (!dataList.isEmpty())) {
String[] lineData = null;
for (int j = 0; j < dataList.size(); j++) {
row = sheet.createRow(1 + j);
lineData = ((String) dataList.get(j)).split(",");
if ((null != lineData) && (lineData.length > 0)) {
for (int m = 0; m < lineData.length; m++) {
cell = row.createCell(m);
text = new HSSFRichTextString(lineData[m]);
cell.setCellValue(text);
}
}
}
}
OutputStream outputStream = null;
try {
response.reset();
response.setContentType("application/octet-stream;charset=UTF-8");
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
outputStream = response.getOutputStream();
workbook.write(outputStream);
} catch (IOException e) {
e.printStackTrace();
} finally {
IOUtils.closeQuietly(outputStream);
}
}
}
2.批量导入：/**
* 批量导入数据
* @param multipart
* @param jb
* @return
*/
@Override
public Results importData(MultipartFile multipart, String timestamp) {
Results rs = new Results();
List list = null;
try {
InputStream inputStream = multipart.getInputStream();
list = ExcelUtil.importExcel(inputStream, 0);
} catch (IOException e) {
e.printStackTrace();
}
if (list.size() <= 0) {
rs.setStatusCode(Contents.requestFail);
rs.setStatusMsg(Contents.getMsg4Code(Contents.requestFail));
rs.setTimestamp(timestamp);
return rs;
}
String[] titles = list.get(0).split(",");
Boolean quotaInvoiceCode = false;
Boolean quotaInvoiceNum = false;
int quotaInvoiceCodeIndex = -1;
int quotaInvoiceNumIndex = -1;
int isEffectiveIndex = -1;
for (int i = 0; i < titles.length; i++) {
switch (titles[i].trim()) {
case "定额发票编号":
quotaInvoiceCode = true;
quotaInvoiceCodeIndex = i;
break;
case "定额发票额度":
quotaInvoiceNum = true;
quotaInvoiceNumIndex = i;
break;
default:
break;
}
}
for(int i = 1; i
org.apache.poi poi 3.9 xerces xercesImpl 2.11.0 org.apache.poi poi-ooxml 3.9