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用JSP编写通用信息发布程序

 2001-10-16 16:39:38 来源:WEB开发网   
核心提示:信息发布界面 提供发布信息的交互界面,调用 recordMessage.jsp程序,用JSP编写通用信息发布程序, sayMessage.jsp<HTML> <HEAD> <TITLE> 信息发布</TITLE><META content = "text
信息发布界面

提供发布信息的交互界面,调用 recordMessage.jsp程序。 

sayMessage.jsp 
<HTML> <HEAD> <TITLE> 信息发布</TITLE> 
<META content = "text/html; charset=GB2312" http-equiv = Content-Type>
<LINK href ="CSS_01.css" rel = stylesheet>
<META content = "MSHTML 5.00.3103.1000" name =GENERATOR> </HEAD>
<BODY>
<% @ page contentType=“ text/html; charset=GB2312”% > 

<% @ page language=“ java” import=“ java .sql .*”% > 

<jsp: usebean id ="rencommend" scope="page" class="ymbean.opDb"/>
<form action =recordmessage.jsp method =post name=sign>
<input name=dtkey type=hidden value=ta_routes>
<table bgcolor=#d5e8fd border=0 cellspacing=1 width="97%">
<tbody>
<tr> <td nowrap width="45%" height="185">
<div align=left>
<table bgcolor=#d5e8fd border=0 cellspacing=1 width="100%">
<tbody>
<tr> <td nowrap width="100%" >线路名称:
<input maxlength=100 name = routename size=36>
</td>
</tr>
<tr><td nowrap width="100%">显示序号:
<input maxlength=3 name=routeno size=36>
</td></tr>
<tr>
<td width="100%" >游览内容。文字超一行时 ,请您敲 Enter键换行</td>
</tr>
<tr><td width="100%" height="162">
<TEXTAREA cols=55 name =c04 rows=9>
</TEXTAREA>
</TD>
</TR></TBODY></TABLE></DIV></TD></TR>
<TR><TD align=middle colspan=2 nowrap>
<input name=cmdcommit type=submit value="提交">
</td></tr></tbody></table>
</form></center>
<div></div></body></html> 


连接数据库

通过调用 Java Bean连接 Oracle数据库。 

opDb.java 

package ymbean; // java包 

import java.sql.* ; 

public class opDb { 

public opDb() { } 

public ResultSet executeQuery(String sql) 

{ 

ResultSet rs = null; 

Statement lstmt = null; 

try { lstmt = connectdb(); 

rs = lstmt.executeQuery(sql); 

System.out.PRintln(“ executeQuery:”+ sql); 

} catch(SQLException ex) { return(null); } 

return rs; 

} 

public String executeUpdate(String sql) 

{ 

ResultSet rs = null; 

Statement lstmt = null; 

try { 

lstmt = connectdb(); 

lstmt.executeUpdate(sql); 

System.out.println(“ executeUpdate:”+ sql); 

lstmt.executeUpdate(“ commit” ); 

}catch(SQLException ex) {} 

return(“ executeUpdate ok” ); 

} 

//连接数据库 

public Statement connectdb() 

{ Statement lstmt=null; 

Connection conn=null; 

final String connect_string=“ jdbc:oracle:thin:scott/tiger@192.168.0.1:1521:test” ; 

final String driver_string=“ oracle.jdbc.driver. 

OracleDriver” ; 

Connection lconn; 

try { Class.forName(driverstr); 

lconn=DriverManager.getConnection(connectstr); 

lstmt=lconn.createStatement(); 

} catch (Exception e) { return(null);} 

return lstmt; 

} 

}//end opDb.java

Tags:JSP 编写 通用

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