excel java apache poi
我想使用此代码将excel数据插入数据库excel java apache poi,java,excel,apache-poi,Java,Excel,Apache Poi,我想使用此代码将excel数据插入数据库 public class Insert { public static void main( String [] args ) { String fileName="C:\\File.xls"; Vector dataHolder=read(fileName); saveToDatabase(dataHolder); } public static Vector read
public class Insert {
public static void main( String [] args ) {
String fileName="C:\\File.xls";
Vector dataHolder=read(fileName);
saveToDatabase(dataHolder);
}
public static Vector read(String fileName) {
Vector cellVectorHolder = new Vector();
try{
FileInputStream myInput = new FileInputStream(fileName);
POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);
HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);
HSSFSheet mySheet = myWorkBook.getSheetAt(0);
Iterator rowIter = mySheet.rowIterator();
while(rowIter.hasNext()){
HSSFRow myRow = (HSSFRow) rowIter.next();
Iterator cellIter = myRow.cellIterator();
Vector cellStoreVector=new Vector();
while(cellIter.hasNext()){
HSSFCell myCell = (HSSFCell) cellIter.next();
cellStoreVector.addElement(myCell);
}
cellVectorHolder.addElement(cellStoreVector);
}
}catch (Exception e){e.printStackTrace(); }
return cellVectorHolder;
}
private static void saveToDatabase(Vector dataHolder) {
String username="";
String password="";
for (int i=0;i<dataHolder.size(); i++){
Vector cellStoreVector=(Vector)dataHolder.elementAt(i);
for (int j=0; j < cellStoreVector.size();j++){
HSSFCell myCell = (HSSFCell)cellStoreVector.elementAt(j);
String st = myCell.toString();
username=st.substring(0,1);
password=st.substring(0);
}
try{
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root", "root");
Statement stat=con.createStatement();
int k=stat.executeUpdate("insert into login(username,password) value('"+username+"','"+password+"')");
System.out.println("Data is inserted");
stat.close();
con.close();
}
catch(Exception e){}
}
}
}
公共类插入{
公共静态void main(字符串[]args){
String fileName=“C:\\File.xls”;
矢量数据保持器=读取(文件名);
saveToDatabase(数据持有者);
}
公共静态向量读取(字符串文件名){
Vector cellVectorHolder=新向量();
试一试{
FileInputStream myInput=新的FileInputStream(文件名);
POIFSFileSystem myFileSystem=新的POIFSFileSystem(myInput);
HSSFWorkbook myWorkBook=新的HSSFWorkbook(myFileSystem);
HSSFSheet mySheet=myWorkBook.getSheetAt(0);
迭代器rowIter=mySheet.rowitter();
while(rowIter.hasNext()){
HSSFRow myRow=(HSSFRow)rowIter.next();
迭代器cellIter=myRow.cellIterator();
Vector cellStoreVector=新向量();
while(cellIter.hasNext()){
HSSFCell myCell=(HSSFCell)cellIter.next();
cellStoreVector.addElement(菌丝体);
}
cellVectorHolder.addElement(cellStoreVector);
}
}catch(异常e){e.printStackTrace();}
返回细胞载体;
}
私有静态void saveToDatabase(向量数据持有者){
字符串username=“”;
字符串密码=”;
对于(int i=0;i通常,您必须将操作侦听器添加到按钮:
Button button = new Button("click me");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// call your logic here
}
});
通常,您必须将操作侦听器添加到按钮:
Button button = new Button("click me");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// call your logic here
}
});
什么类型的按钮?基于Java的GUI按钮或Excel中的按钮(宏…)?基于Java的GUI按钮。这里有太多的失败,很难开始…什么类型的按钮?基于Java的GUI按钮或Excel中的按钮(宏…)?基于Java的GUI按钮。这里有太多失败,很难开始。。。