java读取excel文件并写入另一个excel文件
2016-02-22 10:28
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package com.excel.action;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
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 jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.format.UnderlineStyle;
import jxl.write.Label;
import jxl.write.NumberFormats;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class JxlTable {
private final static JxlTable jxlTable = new JxlTable();
public static JxlTable getInstance() {
return jxlTable;
}
public JxlTable() {
}
public boolean createTable(String[][] body, String filePath,int rowLength) {
boolean createFlag = true;
WritableWorkbook book;
try {
// 根据路径生成excel文件
book = Workbook.createWorkbook(new File(filePath));
// 创建一个sheet名为"表格"
WritableSheet sheet = book.createSheet("表格", 0);
// 设置NO列宽度
sheet.setColumnView(1, 5);
// 去掉整个sheet中的网格线
sheet.getSettings().setShowGridLines(false);
Label tempLabel = null;
// 表体输出
int bodyLen = body.length;
String[][] bodyTempArr = body ;
// 循环写入表体内容
for(int i=0;i<rowLength;i++) {
for(int j=0;j<body[i].length;j++) {
WritableCellFormat tempCellFormat = null;
tempCellFormat = getBodyCellStyle();
if (tempCellFormat != null) {
if (j == 0 || j == (bodyTempArr.length - 1)) {
tempCellFormat.setAlignment(Alignment.CENTRE);
}
}
tempLabel = new Label(1 + j, 2 + i, bodyTempArr[i][j],
tempCellFormat);
sheet.addCell(tempLabel);
}
}
book.write();
book.close();
} catch (IOException e) {
createFlag = false;
System.out.println("EXCEL创建失败！");
e.printStackTrace();
} catch (RowsExceededException e) {
createFlag = false;
System.out.println("EXCEL单元设置创建失败！");
e.printStackTrace();
} catch (WriteException e) {
createFlag = false;
System.out.println("EXCEL写入失败！");
e.printStackTrace();
}
return createFlag;
}
public WritableCellFormat getHeaderCellStyle() {
WritableFont font = new WritableFont(WritableFont.createFont("宋体"), 10,
WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE);
WritableCellFormat headerFormat = new WritableCellFormat(
NumberFormats.TEXT);
try {
// 添加字体设置
headerFormat.setFont(font);
// 设置单元格背景色：表头为黄色
headerFormat.setBackground(Colour.YELLOW);
// 设置表头表格边框样式
// 整个表格线为粗线、黑色
headerFormat.setBorder(Border.ALL, BorderLineStyle.THICK,
Colour.BLACK);
// 表头内容水平居中显示
headerFormat.setAlignment(Alignment.CENTRE);
} catch (WriteException e) {
System.out.println("表头单元格样式设置失败！");
}
return headerFormat;
}
public WritableCellFormat getBodyCellStyle() {
WritableFont font = new WritableFont(WritableFont.createFont("宋体"), 10,
WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE);
WritableCellFormat bodyFormat = new WritableCellFormat(font);
try {
// 设置单元格背景色：表体为白色
bodyFormat.setBackground(Colour.WHITE);
// 设置表头表格边框样式
// 整个表格线为细线、黑色
bodyFormat
.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);
} catch (WriteException e) {
System.out.println("表体单元格样式设置失败！");
}
return bodyFormat;
}
/**
* 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 FileNotFoundException, 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
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)) {
b65d
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 static void main(String[] args) throws Exception {
File file = new File("F:/tomcat7/webapps/Excel/upload/3.xls");
String[][] result = getData(file, 1);
int rowLength = result.length;
System.out.println("rowLength="+rowLength);
for(int i=0;i<rowLength;i++) {
for(int j=0;j<result[i].length;j++) {
System.out.print(result[i][j]+"\t\t");
}
System.out.println();
}
String[][] body = result;
String filePath = "F:/tomcat7/webapps/Excel/upload/1000.xls";
JxlTable testJxl = JxlTable.getInstance();
boolean flag = testJxl.createTable(body, filePath,rowLength);
if (flag) {
System.out.println("表格创建成功！！");
}
}
}
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
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 jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.format.UnderlineStyle;
import jxl.write.Label;
import jxl.write.NumberFormats;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import jxl.write.WriteException;
import jxl.write.biff.RowsExceededException;
public class JxlTable {
private final static JxlTable jxlTable = new JxlTable();
public static JxlTable getInstance() {
return jxlTable;
}
public JxlTable() {
}
public boolean createTable(String[][] body, String filePath,int rowLength) {
boolean createFlag = true;
WritableWorkbook book;
try {
// 根据路径生成excel文件
book = Workbook.createWorkbook(new File(filePath));
// 创建一个sheet名为"表格"
WritableSheet sheet = book.createSheet("表格", 0);
// 设置NO列宽度
sheet.setColumnView(1, 5);
// 去掉整个sheet中的网格线
sheet.getSettings().setShowGridLines(false);
Label tempLabel = null;
// 表体输出
int bodyLen = body.length;
String[][] bodyTempArr = body ;
// 循环写入表体内容
for(int i=0;i<rowLength;i++) {
for(int j=0;j<body[i].length;j++) {
WritableCellFormat tempCellFormat = null;
tempCellFormat = getBodyCellStyle();
if (tempCellFormat != null) {
if (j == 0 || j == (bodyTempArr.length - 1)) {
tempCellFormat.setAlignment(Alignment.CENTRE);
}
}
tempLabel = new Label(1 + j, 2 + i, bodyTempArr[i][j],
tempCellFormat);
sheet.addCell(tempLabel);
}
}
book.write();
book.close();
} catch (IOException e) {
createFlag = false;
System.out.println("EXCEL创建失败！");
e.printStackTrace();
} catch (RowsExceededException e) {
createFlag = false;
System.out.println("EXCEL单元设置创建失败！");
e.printStackTrace();
} catch (WriteException e) {
createFlag = false;
System.out.println("EXCEL写入失败！");
e.printStackTrace();
}
return createFlag;
}
public WritableCellFormat getHeaderCellStyle() {
WritableFont font = new WritableFont(WritableFont.createFont("宋体"), 10,
WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE);
WritableCellFormat headerFormat = new WritableCellFormat(
NumberFormats.TEXT);
try {
// 添加字体设置
headerFormat.setFont(font);
// 设置单元格背景色：表头为黄色
headerFormat.setBackground(Colour.YELLOW);
// 设置表头表格边框样式
// 整个表格线为粗线、黑色
headerFormat.setBorder(Border.ALL, BorderLineStyle.THICK,
Colour.BLACK);
// 表头内容水平居中显示
headerFormat.setAlignment(Alignment.CENTRE);
} catch (WriteException e) {
System.out.println("表头单元格样式设置失败！");
}
return headerFormat;
}
public WritableCellFormat getBodyCellStyle() {
WritableFont font = new WritableFont(WritableFont.createFont("宋体"), 10,
WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE);
WritableCellFormat bodyFormat = new WritableCellFormat(font);
try {
// 设置单元格背景色：表体为白色
bodyFormat.setBackground(Colour.WHITE);
// 设置表头表格边框样式
// 整个表格线为细线、黑色
bodyFormat
.setBorder(Border.ALL, BorderLineStyle.THIN, Colour.BLACK);
} catch (WriteException e) {
System.out.println("表体单元格样式设置失败！");
}
return bodyFormat;
}
/**
* 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 FileNotFoundException, 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
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)) {
b65d
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 static void main(String[] args) throws Exception {
File file = new File("F:/tomcat7/webapps/Excel/upload/3.xls");
String[][] result = getData(file, 1);
int rowLength = result.length;
System.out.println("rowLength="+rowLength);
for(int i=0;i<rowLength;i++) {
for(int j=0;j<result[i].length;j++) {
System.out.print(result[i][j]+"\t\t");
}
System.out.println();
}
String[][] body = result;
String filePath = "F:/tomcat7/webapps/Excel/upload/1000.xls";
JxlTable testJxl = JxlTable.getInstance();
boolean flag = testJxl.createTable(body, filePath,rowLength);
if (flag) {
System.out.println("表格创建成功！！");
}
}
}
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