sooo 发表于 2005-7-2 16:07

(转载)利用Java访问SQL Server2000数据库

(转载)利用Java访问SQL Server2000数据库<br>
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<A HREF="http://www.now.net.cn/host" TARGET=_blank><IMG onmouseover="javascript:if(this.width>520)this.width=520;" src="http://b.todayisp.com/ad580x60_h.gif" onload="javascript:if(this.width>520)this.width=520;" align=absmiddle border=0></A><br><br>运行程序等其他技术问题,请看这里 : <a target=_blank href="http://www.now.net.cn/support/">http://www.now.net.cn/support/</a> <br><br>将代码保存在jdbc.java文件中 <br><br>import java.awt.*;import java.awt.event.*;import java.sql.*; <br>public class jdbc //定义主类 <br>{public static void main(String args[]) <br>{GUI gui=new GUI(); //创建类GUI的对象 <br>gui.pack(); //装载执行GUI类 <br>} <br>} <br>class GUI extends Frame implements Action Listener <br>{ TextArea text; Panel panel; TextField sno; Button btn; <br>GUI() //构造方法 <br>{ super(&quot;物资情况查询&quot;);setLayout(new BorderLayout()); <br>setBackground(Color.cyan); <br>setVisible(true);text=new TextArea(); <br>btn=new Button(&quot;查询&quot;); sno=new TextField(16); <br>panel=new Panel(); <br>panel.add(new Label(&quot;输入被查询的物资编号:&quot;)); <br>panel.add(sno); panel.add(btn); <br>add(&quot;North&quot;,panel); add(text,&quot;Center&quot;); <br>text.setEditable(false);btn.addActionListener(this); <br>addWindowListener(new WindowAdapter() <br>{ public void windowClosing(WindowEvent e) <br>{ setVisible(false); System.exit(0); <br>} <br>}); <br>} <br>public void actionPerformed(ActionEvent e) { <br>if(e.getSource()==btn) //当用户按下查询按钮时 <br>{ text.setText(&quot;查询结果“+”\n’); //显示提示信息 <br>try <br>{ Liststudent(); } <br>catch(SQLException ee) { } <br>} <br>} <br>public void Liststudent() throws SQLException //针对数据库的操作 <br>{ String bh,mc,xh,lb,dw,sj; <br>int sl; float dj,je; <br>try <br>{ Class.forName(&quot;sun.jdbc.odbc.JdbcOdbcDriver&quot;); } <br>catch(ClassNotFoundException e) { } <br>Connection con=DriverManager.getConnection(&quot;jdbc:odbc:wzgl&quot;); <br>Statement sql=con.createStatement(); //创建Statement对象 <br>ResultSet rs=sql.executeQuery(&quot;select * from wuzi&quot;); <br>while(rs.next()) //输出被查询的情况 <br>{ bh=rs.getString(&quot;物资编号&quot;);mc=rs.getString(&quot;物资名称&quot;); <br>xh=rs.getString(&quot;规格型号&quot;);lb=rs.getString(&quot;类别&quot;); <br>dw=rs.getString(&quot;计量单位&quot;);sl=rs.getInt(&quot;数量&quot;); <br>dj=rs.getFloat(&quot;单价&quot;); je=rs.getFloat(&quot;金额&quot;); <br>sj=rs.getDate(&quot;时间&quot;).toString(); <br>if(bh.trim().equals(sno.getText().trim())) <br>{text.append(\n+&quot;物资编号&quot;+&quot; &quot;+&quot;物资名称&quot;+&quot; &quot;+&quot;规格型号&quot;+&quot; &quot;+&quot;类别&quot;+&quot; &quot;+&quot;计量单位&quot;+&quot; &quot;+&quot;数量&quot;+&quot; &quot;+&quot;单价&quot;+&quot; &quot;+&quot;金额&quot;+&quot; &quot;+&quot;时间&quot;+\n); <br>text.append(\n+bh+&quot; &quot;+mc+&quot; &quot;+xh+&quot; &quot;+lb+&quot; &quot;+dw+&quot; &quot;+sl+&quot; &quot;+dj+&quot; &quot;+je+&quot; &quot;+sj+&quot; &quot;+\n); } <br>} <br>} <br>} <br><br><br>----------------------------------------------------------------------------------- <br>哪位需要域名注册,虚拟主机 支持 asp asp.net java php的都有! Q我了:168075865 ~~ <br>
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执迷不悔 发表于 2014-5-17 18:18

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