用JAVA将EXCEL文件解析存入ORACLE数据库 用用JAVA实现将EXCEL文件解析存入ORACLE数据库大家有好的办法吗?请高手指点一下,谢谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 poi读取excel文件,执行业务后存入oracle 用jxl的优势可能要比poi好一点,我建议是使用jxl 要往xls文件里面写入数据的时候需要注意的是第一要新建一个xls文件 OutputStream os=new FileOutputStream("c:\\excel2.xls");再建完这个文件的时候再建立工作文件 jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(new File(os));如果这个文件已经存在,那么我们可以在这个文件里面加入一个sheet为了和以前的数据进行分开; jxl.write.WritableSheet ws = wwb.createSheet("Test Sheet 1", 0); 在createSheet方法里前面的参数是sheet名,后面是要操作的sheet号接下来就可以往这个文件里面写入数据了写入数据的时候注意的格式(1)添加的字体样式 jxl.write.WritableFont wf = new jxl.write.WritableFont(WritableFont.TIMES, 18, WritableFont.BOLD, true); WritableFont()方法里参数说明: 这个方法算是一个容器,可以放进去好多属性 第一个: TIMES是字体大小,他写的是18 第二个: BOLD是判断是否为斜体,选择true时为斜体 第三个: ARIAL 第四个: UnderlineStyle.NO_UNDERLINE 下划线 第五个: jxl.format.Colour.RED 字体颜色是红色的jxl.write.WritableCellFormat wcfF = new jxl.write.WritableCellFormat(wf);jxl.write.Label labelC = new jxl.write.Label(0, 0, "This is a Label cell",wcfF); ws.addCell(labelC); 在Label()方法里面有三个参数 第一个是代表列数, 第二是代表行数, 第三个代表要写入的内容 第四个是可选项,是输入这个label里面的样式 然后通过写sheet的方法addCell()把内容写进sheet里面。(2)添加带有formatting的Number对象 jxl.write.NumberFormat nf = new jxl.write.NumberFormat("#.##");(3)添加Number对象 (3.1)显示number对象数据的格式jxl.write.NumberFormat nf = new jxl.write.NumberFormat("#.##"); jxl.write.WritableCellFormat wcfN = new jxl.write.WritableCellFormat(nf);jxl.write.Number labelNF = new jxl.write.Number(1, 1, 3.1415926, wcfN); ws.addCell(labelNF); Number()方法参数说明: 前两上表示输入的位置 第三个表示输入的内容(4)添加Boolean对象 jxl.write.Boolean labelB = new jxl.write.Boolean(0, 2, false); ws.addCell(labelB);(5)添加DateTime对象 jxl.write.DateTime labelDT = new jxl.write.DateTime(0, 3, new java.util.Date()); ws.addCell(labelDT); DateTime()方法的参数说明 前两个表示输入的位置 第三个表示输入的当前时间(6)添加带有formatting的DateFormat对象 这个显示当前时间的所有信息,包括年月日小时分秒 jxl.write.DateFormat df = new jxl.write.DateFormat("dd MM yyyy hh:mm:ss"); jxl.write.WritableCellFormat wcfDF = new jxl.write.WritableCellFormat(df); jxl.write.DateTime labelDTF = new jxl.write.DateTime(1, 3, new java.util.Date(), wcfDF); ws.addCell(labelDTF);(7)添加带有字体颜色Formatting的对象 jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false,UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED); jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc);import="jxl.format.* jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.ARIAL,20,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.GREEN);(8)设置单元格样式jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc); wcfFC.setBackGround(jxl.format.Colour.RED);//设置单元格的颜色为红色 wcfFC = new jxl.write.Label(6,0,"i love china",wcfFC); 楼主可以试一下jxls 是一个支持excel模板填充的开源软件 有一个将excel文件转换成文本的例子,参考import jxl.*;import java.io.*;import java.util.*;public class ExcelToTxt { private String filePath=""; ///文件路径 private InputStream inputStream; ///输入流 private Workbook workbook; ///excel文件 private Sheet sheet; ///sheet private Cell cell; ///元素 private String znkh; ///智能卡号 List list = new ArrayList(); private int rowCount; ///行总数 private int colCount=30; ///列总数 private int colIndex; ///列 static public String vStr = ""; ///信息 public ExcelToTxt() { } public ExcelToTxt(File file) { try{ inputStream = new FileInputStream(file); }catch(Exception e){ System.err.println("*****************ImportZnk manager is error!******"+e.getMessage()); } } public void setInputStream(File file){ try{ inputStream = new FileInputStream(file); }catch(Exception e){ System.err.println("*************ImportZnk setInputStream is error!******"+e.getMessage()); } } private void getworkBook(){ try{ workbook = Workbook.getWorkbook(inputStream); inputStream.close(); }catch(Exception e){ e.printStackTrace(); } } private void getsheet(){ if (workbook == null) getworkBook(); sheet = workbook.getSheet(0); } public int getrowCount(){ if (sheet == null) {getsheet();} rowCount = sheet.getRows(); return rowCount; } public int getcolCount() { return sheet.getColumns(); }/* public List getZnkh(int rowIndex){ if (sheet == null) {getsheet();} for(int i=0;i<colCount;i++){ cell = sheet.getCell(i,rowIndex); znkh = cell.getContents(); list.add(i,znkh); } return list; }*/ public String getCell(int rowIndex,int colIndex) { cell = sheet.getCell(colIndex,rowIndex); return cell.getContents(); } public void workbookClose(){ if(workbook != null){ workbook.close(); } } public static void main(String[] args) throws Exception { String outFilePath = "d:\\cxt\\outr.txt"; //输出文件 File outFile = new File(outFilePath); FileWriter o = new FileWriter(outFilePath); String filePath="d:\\cxt\\memberr20060904.xls" ; File file = new File(filePath); ExcelToTxt imznk = new ExcelToTxt(file); String s=""; //总共40列 //o.write("var "); //String[] names = {"email","re_email","auth1","auth2","nativeDisplay","latinGiven","latinFamily","defaultName","gender","genderShowTag","currentCountry","currentProvince","currentCity","field","subField","currentStatus","wk_company","wk_position","wk_positionEnum","wk_start_date_Y","wk_start_date_M","wk_end_date_Y","wk_end_date_M","wk_tillNow","wk_dateShowTag","wk_country","wk_province","wk_school","wk_academy","st_country","st_province","st_school","st_academy","st_major","st_start_date_Y","st_start_date_M","st_end_date_Y","st_end_date_M","st_degree","acceptTerms"}; String[] names = {"email","re_email","auth1","auth2","nativeDisplay","latinGiven","latinFamily","defaultName","gender","genderShowTag","currentCountry","currentProvince","currentCity","field","subField","currentStatus","wk_company","wk_position","wk_positionEnum","wk_start_date_Y","wk_start_date_M","wk_tillNow","wk_dateShowTag","wk_country","wk_province","wk_school","acceptTerms"}; for(int i=0;i<imznk.getrowCount();i++) { String line = "dataArr["+i+"]=\""; //dataArr[0]= for ( int j = 0 ; j < imznk.getcolCount() ; j++ ) { s=imznk.getCell(i,j); if (s == null || s.length() == 0) { s+=" "; } //line += names[j]+"="+imznk.getCell(i,j)+"&"; //取出内容,组合字符串 line += names[j]+"=" + s +"&"; } line=line.substring(0,line.length() -1); //去掉最后的& line+="\""; //加上 " line+=";"; //加上; o.write(line+"\n"); //换行 o.flush(); System.out.println(line); } o.close(); imznk.workbookClose(); }} 假如EXCEL文件较大的话,可不可以启动10个线程对这个EXCEL读取,当然这个读取是不重复的。 一道java的基础题,请大侠们帮忙,谢谢 retry 机制 怎样识别word 2007 .docx 文件 更改默认的打印机后,为何不起作用 用java如何调用vc写的DLL 强烈推荐一个视频教学网站 刚学,请问大虾:JAVA如何开发数据库应用程序!! this用法? 哪位用过jdom 有Winsock高手吗?希望指点 "macro" -- 宏 是什么意思呢? 某公司笔试题.我是基本上不会做!
OutputStream os=new FileOutputStream("c:\\excel2.xls");再建完这个文件的时候再建立工作文件
jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(new File(os));如果这个文件已经存在,那么我们可以在这个文件里面加入一个sheet为了和以前的数据进行分开;
jxl.write.WritableSheet ws = wwb.createSheet("Test Sheet 1", 0);
在createSheet方法里前面的参数是sheet名,后面是要操作的sheet号接下来就可以往这个文件里面写入数据了写入数据的时候注意的格式(1)添加的字体样式
jxl.write.WritableFont wf = new jxl.write.WritableFont(WritableFont.TIMES, 18, WritableFont.BOLD, true);
WritableFont()方法里参数说明:
这个方法算是一个容器,可以放进去好多属性
第一个: TIMES是字体大小,他写的是18
第二个: BOLD是判断是否为斜体,选择true时为斜体
第三个: ARIAL
第四个: UnderlineStyle.NO_UNDERLINE 下划线
第五个: jxl.format.Colour.RED 字体颜色是红色的jxl.write.WritableCellFormat wcfF = new jxl.write.WritableCellFormat(wf);jxl.write.Label labelC = new jxl.write.Label(0, 0, "This is a Label cell",wcfF);
ws.addCell(labelC);
在Label()方法里面有三个参数
第一个是代表列数,
第二是代表行数,
第三个代表要写入的内容
第四个是可选项,是输入这个label里面的样式
然后通过写sheet的方法addCell()把内容写进sheet里面。(2)添加带有formatting的Number对象
jxl.write.NumberFormat nf = new jxl.write.NumberFormat("#.##");(3)添加Number对象
(3.1)显示number对象数据的格式jxl.write.NumberFormat nf = new jxl.write.NumberFormat("#.##");
jxl.write.WritableCellFormat wcfN = new jxl.write.WritableCellFormat(nf);jxl.write.Number labelNF = new jxl.write.Number(1, 1, 3.1415926, wcfN);
ws.addCell(labelNF);
Number()方法参数说明:
前两上表示输入的位置
第三个表示输入的内容(4)添加Boolean对象
jxl.write.Boolean labelB = new jxl.write.Boolean(0, 2, false);
ws.addCell(labelB);(5)添加DateTime对象
jxl.write.DateTime labelDT = new jxl.write.DateTime(0, 3, new java.util.Date());
ws.addCell(labelDT);
DateTime()方法的参数说明
前两个表示输入的位置
第三个表示输入的当前时间(6)添加带有formatting的DateFormat对象
这个显示当前时间的所有信息,包括年月日小时分秒
jxl.write.DateFormat df = new jxl.write.DateFormat("dd MM yyyy hh:mm:ss");
jxl.write.WritableCellFormat wcfDF = new jxl.write.WritableCellFormat(df);
jxl.write.DateTime labelDTF = new jxl.write.DateTime(1, 3, new java.util.Date(), wcfDF);
ws.addCell(labelDTF);(7)添加带有字体颜色Formatting的对象
jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false,UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED);
jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc);import="jxl.format.*
jxl.write.WritableFont wfc = new jxl.write.WritableFont(WritableFont.ARIAL,20,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,jxl.format.Colour.GREEN);(8)设置单元格样式jxl.write.WritableCellFormat wcfFC = new jxl.write.WritableCellFormat(wfc);
wcfFC.setBackGround(jxl.format.Colour.RED);//设置单元格的颜色为红色
wcfFC = new jxl.write.Label(6,0,"i love china",wcfFC);
import java.io.*;
import java.util.*;public class ExcelToTxt
{
private String filePath=""; ///文件路径
private InputStream inputStream; ///输入流
private Workbook workbook; ///excel文件
private Sheet sheet; ///sheet
private Cell cell; ///元素
private String znkh; ///智能卡号
List list = new ArrayList();
private int rowCount; ///行总数
private int colCount=30; ///列总数
private int colIndex; ///列
static public String vStr = ""; ///信息 public ExcelToTxt()
{
} public ExcelToTxt(File file) {
try{
inputStream = new FileInputStream(file);
}catch(Exception e){
System.err.println("*****************ImportZnk manager is error!******"+e.getMessage());
}
} public void setInputStream(File file){
try{
inputStream = new FileInputStream(file);
}catch(Exception e){
System.err.println("*************ImportZnk setInputStream is error!******"+e.getMessage());
}
} private void getworkBook(){
try{
workbook = Workbook.getWorkbook(inputStream);
inputStream.close();
}catch(Exception e){
e.printStackTrace();
}
} private void getsheet(){
if (workbook == null)
getworkBook();
sheet = workbook.getSheet(0);
} public int getrowCount(){
if (sheet == null)
{getsheet();}
rowCount = sheet.getRows();
return rowCount;
}
public int getcolCount() {
return sheet.getColumns();
}
/*
public List getZnkh(int rowIndex){
if (sheet == null)
{getsheet();}
for(int i=0;i<colCount;i++){
cell = sheet.getCell(i,rowIndex);
znkh = cell.getContents();
list.add(i,znkh);
}
return list;
}
*/
public String getCell(int rowIndex,int colIndex) {
cell = sheet.getCell(colIndex,rowIndex);
return cell.getContents();
} public void workbookClose(){
if(workbook != null){
workbook.close();
}
}
public static void main(String[] args) throws Exception
{ String outFilePath = "d:\\cxt\\outr.txt"; //输出文件
File outFile = new File(outFilePath);
FileWriter o = new FileWriter(outFilePath);
String filePath="d:\\cxt\\memberr20060904.xls" ;
File file = new File(filePath);
ExcelToTxt imznk = new ExcelToTxt(file);
String s=""; //总共40列
//o.write("var ");
//String[] names = {"email","re_email","auth1","auth2","nativeDisplay","latinGiven","latinFamily","defaultName","gender","genderShowTag","currentCountry","currentProvince","currentCity","field","subField","currentStatus","wk_company","wk_position","wk_positionEnum","wk_start_date_Y","wk_start_date_M","wk_end_date_Y","wk_end_date_M","wk_tillNow","wk_dateShowTag","wk_country","wk_province","wk_school","wk_academy","st_country","st_province","st_school","st_academy","st_major","st_start_date_Y","st_start_date_M","st_end_date_Y","st_end_date_M","st_degree","acceptTerms"};
String[] names = {"email","re_email","auth1","auth2","nativeDisplay","latinGiven","latinFamily","defaultName","gender","genderShowTag","currentCountry","currentProvince","currentCity","field","subField","currentStatus","wk_company","wk_position","wk_positionEnum","wk_start_date_Y","wk_start_date_M","wk_tillNow","wk_dateShowTag","wk_country","wk_province","wk_school","acceptTerms"};
for(int i=0;i<imznk.getrowCount();i++)
{
String line = "dataArr["+i+"]=\""; //dataArr[0]=
for ( int j = 0 ; j < imznk.getcolCount() ; j++ )
{
s=imznk.getCell(i,j);
if (s == null || s.length() == 0)
{
s+=" ";
}
//line += names[j]+"="+imznk.getCell(i,j)+"&"; //取出内容,组合字符串
line += names[j]+"=" + s +"&";
}
line=line.substring(0,line.length() -1); //去掉最后的&
line+="\""; //加上 "
line+=";"; //加上;
o.write(line+"\n"); //换行
o.flush();
System.out.println(line);
}
o.close();
imznk.workbookClose(); }
}