如何使用Java读取Excel文件内容

import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.DriverManager;
public class ExcelReader {
public static void main( String［］ args ) {
Connection c = null;
Statement stmnt = null;
try {
Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver" );
c = DriverManager.getConnection( "jdbc:odbc:Book1", "", "" );
stmnt = c.createStatement();
String query = "SELECT test1 FROM [Sheet1$] WHERE test1='测试'";
ResultSet rs = stmnt.executeQuery( query );
System.out.println( "查得匹配'测试'的test1的记录为:" );
while( rs.next() ) {
System.out.println( rs.getString( "test1" ) );
}
}
catch( Exception e ) {
System.err.println( e );
}
finally {
try {
stmnt.close();
c.close();
}
catch( Exception e ) {
System.err.println( e );
}
}
}
}

import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.DriverManager; 
public class ExcelReader { 
 public static void main(String［］ args){
  Connection connection = null; 
  try{
   Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
   Connection con = DriverManager.getConnection( "jdbc:odbc:Book1","","" );
   Statement st = con.createStatement();
   ResultSet rs = st.executeQuery( "SELECT * FROM [Sheet1$]" ); 
   ResultSetMetaData rsmd = rs.getMetaData();
   int numberOfColumns = rsmd.getColumnCount(); 
   while (rs.next()) {
    for (int i = 1; i <= numberOfColumns; i++) {
     if(i>1) //用逗号分隔各列
  System.out.print(", ");
     String columnValue = rs.getString(i);
     System.out.print(columnValue);
    }
    System.out.println("");
   } 
   st.close();
   con.close(); 

  } catch(Exception ex) {
   System.err.print("Exception: ");
   System.err.println(ex.getMessage());
  }
 }
}