stockupdate.java

来自「一个简单的OA系统,希望能提高大家的JAVA能力.功能蛮多的,于初学者修改,SQ」· Java 代码 · 共 112 行

/*
 * Stockupdate.java
 *
 * Created on 2005年5月20日, 上午10:48
 */

/**
 *
 * @author  administrator
 */
package com.zh.util;
import com.zh.conpool.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.bwm.string.*;
import java.sql.*;
import java.io.*;
public class Stockupdate {
    private String sql;
    public Condata con;
    public ResultSet rs;
    Connection conn;
    /** Creates a new instance of Stockupdate */
    public Stockupdate() {
    }
  public void Init(javax.servlet.http.HttpServletRequest req,javax.servlet.http.HttpServletResponse res)throws ServletException,SQLException,IOException{
    	PrintWriter out=res.getWriter();
    	try{
    		conn=con.getConnection();	
    	}catch(Exception e){
    		e.getMessage();	
    	}
    	int num=0;
    	con=new Condata();
    	rs=con.executeQuery(getSql());
    	while(rs.next()){
    		out.println("<tr align='center'>");
    		out.println("<td height='26'>"+rs.getString(2)+"</td>");
    		out.println("<td height='26'>"+rs.getDate(3)+"</td>");
    		out.println("<td height='26'>"+rs.getString(4)+"</td>");
    		out.println("<td height='26'>"+rs.getInt(5)+"</td>");
    		out.println("<td height='26'>"+rs.getString(6)+"</td>");
    		out.println("</tr>");
    	}
    	/*
    	while(rs.next()){
  			num++;
  			
	  		out.println("<tr align='center'>");
	    	out.println(	"<td height='26'>"+num+"</td>");
	    	out.println(	"<td height='26'>"+rs.getString(2)+"</td>");
	    	out.println(	"<td height='26'>"+rs.getDate(3)+"</td>");
	    	out.println(	"<td height='26'>"+rs.getString(4)+"</td>");
	    	out.println(	"<td height='26'>"+rs.getInt(5)+"</td>");
	  		out.println(	"<td height='26'>"+rs.getInt(6)+"</td>");
	  		out.println("</tr>");
	  		
  		}*/
  		try{
  			conn.close();
  			conn=null;
    		}catch(Exception e){
  			e.getMessage();
  		}
  		try{
  			con.close();
  			con=null;
  		}catch(Exception e){
  			e.getMessage();
  		}
  		try{
  			rs.close();
  			rs=null;
  		}catch(Exception e){
  			e.getMessage();
  		}
  		  		
    }
    public String getSql(){
    	sql="select * from tb_Stcokadd";
    	return sql;
    }
    public ResultSet getRs(){
    	try{
    		con.getConnection();
    	}catch(Exception e){
    		e.getMessage();
    	}
    	con=new Condata();	
    	try{
    		rs=con.executeQuery(getSql());	
    	}catch(Exception e){
    		e.getMessage();
    	}
    	return rs;
    }
    public void Close(){
    	try{
    		conn.close();
    		conn=null;
    	}catch(Exception e){
    		e.getMessage();
    	}
    	try{
    		con.close();
    		con=null;
    	}catch(Exception e){
    		e.getMessage();
    	}
    }
}