mysqlunit.java

这是一个物流管理系统,物业管理系统毕业设计+源码

/*
 * MySqlUnit.java
 *
 * Created on 2001年5月18日, 上午10:49
 */

package zc.face;

import java.io.*;
import java.sql.*;
/**
 *
 * @author  Administrator
 * @version 
 */
class MySqlUnit {

    /** Creates new MySqlUnit */
    public static String printMetaData(ResultSet rs) throws SQLException
    {
        ResultSetMetaData md=rs.getMetaData();
        int colCount=md.getColumnCount();
        String colLabel[]=new String[colCount+1];
        int colDisplaySize[]=new int[colCount+1];
        String colTypeName[]=new String[colCount+1];
        System.out.println("database colCount="+colCount);
        StringBuffer sb=new StringBuffer();
        for(int i=1;i<=colCount;i++){
            colLabel[i]=md.getColumnLabel(i);
            colDisplaySize[i]=md.getColumnDisplaySize(i);
            colTypeName[i]=md.getColumnTypeName(i);
            sb.append("Label:"+colLabel[i]+"DisplaySize:"+colDisplaySize[i]+"TypeName:"+colTypeName[i]+"\r\n");
        }
        return sb.toString();
        
    }
    
    public static String printResultSet(ResultSet rs) throws IOException,SQLException
    {
         ResultSetMetaData md=rs.getMetaData();
        int colCount=md.getColumnCount();
        String colLabel[]=new String[colCount+1];
        for(int i=1;i<=colCount;i++)
            colLabel[i]=md.getColumnLabel(i);
        StringBuffer sb=new StringBuffer();
        while(rs.next()){
               for(int i=1;i<=colCount;i++)
                    sb.append(colLabel[i]+":"+rs.getObject(i)+"   ");
               sb.append("\r\n");
           }
          
        
        //if(!rs.next( ))
          //  System.out.println("查询成功");
      //  else
        //   System.out.println("查询失败");
        return sb.toString( );
        
    }
    
        
}