用JSP编写通用信息发布程序

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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.javapackage 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

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