前些日子写了一些关于EXCEL解决的方法,今天用JXL写文件的方法,来处理。把封装好的东西发上来，大家一起看看。
import java.util.*;
import java.io.*;
import java.sql.*;
import jxl.*;
import jxl.write.*;
/**
* 提供了常用的Excel读取和写入的方法
* <p> * Title: * </p>
* <p> * Description: * </p>
* <p> * Copyright: Copyright (c) 2006 * </p>
* <p> * Company: * </p>
* * @author wujiaqian * @version 1.0
*/
public class Excel {
int sheetCount = 1; // excel工作簿，默认为1
WritableWorkbook wwb = null; // 构建Workbook对象,只读Workbook对象
Vector vSheet = null;
/**
* 无参构造函数，生成默认名字的excel文件
*/
public Excel() {
this("noName.excel");
}
/**
* 带有一个String类型参数的构造函数
*
* @param fileName
* String 将要生成的excel文件名
*/
public Excel(String fileName) {
try {
wwb = Workbook.createWorkbook(new File(fileName));
vSheet = new Vector(5);
} catch (Exception e) {
}
}
/**
* 带有一个File类型参数的构造函数
*
* @param fileName
* String 将要生成的excel文件名
*/
public Excel(File file) {
try {
wwb = Workbook.createWorkbook(file);
vSheet = new Vector(5);
} catch (Exception e) {
}
}
/**
* 读取一个EXCEL文件的所有行和列,在同一行上的数据以一个String的形式保存在Vector中,各列数据以","号分割
*
* @param fileName
* String 文件名
* @throws Exception
* @return Vector
*/
public static Vector readFromExcel(String fileName) throws Exception {
Vector v = new Vector();
File file = new File(fileName);
if (!file.isFile()) {
return null;
}
v = readExl(file, -1, -1);
return v;
}
public static Vector readFromExcel(File file) throws Exception {
Vector v = new Vector();
if (!file.isFile()) {
return null;
}
v = readExl(file, -1, -1);
return v;
}
/**
* 读取一行多列或者一列多行
*
* @param fileName
* String 文件名
* @param rowORcol
* int 第几行或者第几列
* @param flag
* String ROW表示前面一个参数的值指的是行数，行COL表示前面一个参数的值指的是列数
* @throws Exception
* @return Vector
*/
public static Vector readFromExcel(String fileName, int rowORcol,
String flag) throws Exception {
Vector v = new Vector();
File file = new File(fileName);
if (!file.isFile()) {
return null;
}
if (flag != null && flag.equals("ROW")) {
v = readExl(file, rowORcol, -1);
} else if (flag != null && flag.equals("COL")) {
v = readExl(file, -1, rowORcol);
} else {
return null;
}
return v;
}
public static Vector readFromExcel(File file, int rowORcol, String flag)
throws Exception {
Vector v = new Vector();
if (!file.isFile()) {
return null;
}
if (flag != null && flag.equals("ROW")) {
v = readExl(file, rowORcol, -1);
} else if (flag != null && flag.equals("COL")) {
v = readExl(file, -1, rowORcol);
} else {
return null;
}
return v;
}
/**
* 读取多行或者多列,可以任意挑选几行或几列
*
* @param fileName
* String 文件名
* @param rowORcol
* int 任意的行或列
* @param flag
* String ROW表示行COL表示列
* @throws Exception
* @return Vector
*/
public static Vector readFromExcel(String fileName, int[] rowORcol,
String flag) throws Exception {
Vector v = new Vector();
return v;
}
public static Vector readFromExcel(File file, int[] rowORcol, String flag)
throws Exception {
Vector v = new Vector();
return v;
}
/**
* 读取第几行第几列的一个数据
*
* @param fileName
* String
* @param row
* int
* @param col
* int
* @throws Exception
* @return String
*/
public static String readFromExcel(String fileName, int row, int col)
throws Exception {
String res = null;
File file = new File(fileName);
if (!file.isFile()) {
return null;
}
return res;
}
public static String readFromExcel(File file, int row, int col)
throws Exception {
String res = null;
if (!file.isFile()) {
return null;
}
return res;
}
/**
* 读取xls文件
*
* @param f
* File 文件
* @param row
* int 读取从0到row行
* @param col
* int 读取从0到col列
* @throws Exception
* @return Vector
*/
private static Vector readExl(File f, int row, int col) throws Exception {
Vector v = new Vector();
Workbook wb = null;
Sheet st = null;
wb = Workbook.getWorkbook(f);
st = wb.getSheet(0);
int allRow = st.getRows();
if (row == -1) {
row = allRow;
}
int allCol = st.getColumns();
if (col == -1) {
col = allCol;
}
for (int i = 0; i < row; i++) {
String sRow = null;
for (int j = 0; j < col; j++) {
Cell c1 = st.getCell(j, i);
String sCol = c1.getContents();
if (j == 0) {
sRow = sCol;
} else {
if (sCol != null) {
sRow = sRow + "," + sCol;
} else {
sRow = sRow + "," + "";
}
}
c1 = null;
sCol = null;
}
v.addElement(sRow);
sRow = null;
}
st = null;
wb.close();
wb = null;
return v;
}
public void addSheet() throws Exception {
addSheet(String.valueOf(sheetCount));
}
public void addSheet(String sheetName) throws Exception {
// 创建Excel工作表
WritableSheet ws = wwb.createSheet(sheetName, sheetCount);
vSheet.addElement(ws);
sheetCount++;
}
/**
* 为工作表添加内容,指定添加到第几列
*
* @param v
* Vector 要添加到工作表的内容 格式
* String,String,String,String,...,...,...,..., 每列内容以逗号隔开
* @param col
* int 指定列数
* @throws Exception
*/
public void addContent(Vector v, int col) throws Exception {
WritableSheet ws = (WritableSheet) vSheet.get(sheetCount - 2);
int size = v.size();
try {
for (int i = 0; i < size; i++) {
String s = (String) v.get(i);
String[] s1 = s.split(",");
for (int j = 0; j < col; j++) {
Label label = new Label(j, i, s1[j]);
ws.addCell(label);
label = null;
}
}
} catch (ArrayIndexOutOfBoundsException e) {
throw new ArrayIndexOutOfBoundsException("check column!");
}
ws = null;
}
/**
* 为工作表添加内容,不指定添加几列
*
* @param v
* Vector 要添加到工作表的内容 格式
* String,String,String,String,...,...,...,..., 每列内容以逗号隔开
* @throws Exception
*/
public void addContent(Vector v) throws Exception {
WritableSheet ws = (WritableSheet) vSheet.get(sheetCount - 2);
int size = v.size();
try {
for (int i = 0; i < size; i++) {
String s = (String) v.get(i);
String[] s1 = s.split(",");
int col_size = s1.length;
for (int j = 0; j < col_size; j++) {
Label label = new Label(j, i, s1[j]);
ws.addCell(label);
label = null;
}
}
} catch (Exception e) {
throw new Exception();
}
ws = null;
}
/**
* 为工作表添加内容,不指定添加几列
*
* @param rs
* ResultSet 从数据库中得到的结果集
* @throws Exception
*/
public void addContent(ResultSet rs) throws Exception {
if (rs == null) {
return;
}
WritableSheet ws = (WritableSheet) vSheet.get(sheetCount - 2);
ResultSetMetaData rsMetaD = rs.getMetaData();
int col = rsMetaD.getColumnCount();
int i = 0;
while (rs.next()) {
for (int j = 0; j < col; j++) {
Label label = new Label(j, i, rs.getString(j));// Chinese.fromDatabase(rs.getString(j))
ws.addCell(label);
label = null;
}
i++;
}
}
/**
* 最终生成excel文件
*
* @throws Exception
*/
public void createExcel() throws Exception {
wwb.write();
wwb.close();
}
public static void main(String[] args) {
Excel t = new Excel("d:\\test.xls");
Vector v = new Vector();
try {
v.addElement("ding,wen,yuan");
v.addElement("ding,wen,yuan");
t.addSheet("first");
t.addContent(v, 3);
v.clear();
v.addElement("xuhy,hai,yong");
v.addElement("xuhy,hai,yong");
t.addSheet("second");
t.addContent(v, 3);
v.clear();
v.addElement("wu,jia,qian");
v.addElement("wu,jia,qian");
t.addSheet("third");
t.addContent(v, 3);
t.createExcel();
} catch (Exception e) {
e.printStackTrace();
}
}
}
转自:http://www.blogjava.net/wujiaqian/archive/2006/12/21/89308.html?Pending=true#Post
posted on 2007-01-08 15:19
小石头 阅读(1158)
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