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/**
* 读取excel插入myslq
*/
package com.excel;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
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 org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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.poifs.filesystem.POIFSFileSystem;
import com.db.ConnectionFactory;
/**
* @author Administrator
*
*/
public class ExcelOperate {
public static void main(String[] args) throws Exception {
Connection con=null;
PreparedStatement prs=null;
con=ConnectionFactory.getConnection();
List<String>list=getName("C:\\Users\\Administrator\\Desktop\\新建文件夹 (2)");
for(int l=0;l<list.size();l++){
System.out.println("当前执行excel："+list.get(l));
File file = new File(list.get(l));
String[][] result = getDate(file, 1);
int rowLength = result.length;
con.setAutoCommit(false);
prs=con.prepareStatement("insert into db_boxoffice_onematches(proName,theatreName,cinemaCode,cinemaName,filmCode,filmName,filmVer,placeNum,date,time,peopleTol,boxOffice)values(?,?,?,?,?,?,?,?,?,?,?,?)");
for(int i=0;i<rowLength;i++) {
prs.setString(1, result[i][1]);
prs.setString(2, result[i][2]);
prs.setString(3, result[i][3]);
prs.setString(4, result[i][4]);
prs.setString(5, result[i][5]);
prs.setString(6, result[i][6]);
prs.setString(7, result[i][7]);
prs.setString(8, result[i][8]);
prs.setString(9, result[i][9]);
prs.setString(10, result[i][10]);
prs.setString(11, result[i][11]);
prs.setString(12, result[i][11]);
prs.addBatch();
if(i%5000==0){
prs.executeBatch();
con.commit();
System.out.println(i+"条添加成功");
prs.clearBatch();
}
// prs=con.prepareStatement("insert into db_boxoffice_onematches(proName,theatreName,cinemaCode,cinemaName,filmCode,filmName,filmVer,placeNum," +
// "date,time,peopleTol,boxOffice)values(‘"+result[i][1]+"‘,‘"+result[i][2]+"‘,‘"+result[i][3]+"‘,‘"+result[i][4]+"‘,‘"+result[i][5]+"‘," +
// "‘"+result[i][6]+"‘,‘"+result[i][7]+"‘,‘"+result[i][8]+"‘,‘"+result[i][9]+"‘,‘"+result[i][10]+"‘,"+result[i][11]+","+result[i][12]+")");
// if(prs.executeUpdate()>0){
// System.out.println("添加成功！"+"当前第："+i+"条");
// }
}
prs.executeBatch();
con.commit();
System.out.println(list.get(l)+"数据导入成功");
}
}
/**
*读取文件夹下所有后缀为.xls文件
* @param path
* @return
*/
public static List<String> getName(String path) {
List<String>list=new ArrayList<String>();
File file = new File(path);
if (file.isDirectory()) {
File[] dirFile = file.listFiles();
for (File f : dirFile) {
if (f.isDirectory())
getName(f.getAbsolutePath());
else {
if (f.getName().endsWith(".xls"))
list.add(f.getAbsolutePath());
System.out.println(f.getAbsolutePath());
}
}
}
return list;
}
/**
* 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[][] getDate(File file ,int ignoreRows) throws IOException{
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
//((Object) cell).setEncoding(HSSFCell.ENCODING_UTF_16);
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);
}
}
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原文地址：http://www.cnblogs.com/liujianpeng/p/4299654.html
