Menulis program rilis informasi umum menggunakan JSP

Penulis：Eve Cole Waktu Pembaruan：2009-07-02 17:12:41

信息发布界面

seperti pada recordMessage.jsp, atau recordMessage.jsp.

sayMessage.jsp
信息发布

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<％ @ halaman bahasa=“ java” import=“ java .sql .＊”％ >

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<br> </TEKSTAREA><br> </TD><br> </TR></TBODY></TABLE></DIV></TD></TR><br> <TR><TD align=middle colspan=2 nowrap><br> <nama masukan=cmdcommit type=kirim nilai="提交"><br> </td></tr></tbody></tabel><br> </form></pusat><br> <div></div></tubuh></html><br><br><br>连接数据库<br><br>menggunakan Java Bean dan Oracle数据库。<br><br> opDb.java<br><br> paket ymbean; // Java包<br><br>impor java.sql.＊ ;<br><br> opDb kelas publik {<br><br> opDb publik() {} }<br><br> ResultSet eksekusiQuery publik (String sql)<br><br> {<br><br> HasilSet rs = null;<br><br> Pernyataan lstmt = null;<br><br> coba { lstmt = connectdb();<br><br> rs = lstmt.executeQuery(sql);<br><br> System.out.println(“executeQuery:”＋ sql);<br><br> } catch(SQLException ex) { kembali(null)； }<br><br> kembalikan rs;<br><br> }<br><br> String publik mengeksekusi Pembaruan (String sql)<br><br> {<br><br> HasilSet rs = null;<br><br> Pernyataan lstmt = null;<br><br> mencoba {<br><br> lstmt = terhubungdb();<br><br> lstmt.executeUpdate(sql);<br><br> System.out.println(“executeUpdate:”＋ sql);<br><br> lstmt.executeUpdate(" komit" );<br><br> }menangkap(SQLException ex) {}<br><br> return(“eksekusiPembaruan oke”);<br><br> }<br><br> //连接数据库<br><br>Pernyataan publik connectdb()<br><br> { Pernyataan lstmt=null;<br><br> Sambungan koneksi=null;<br><br> String terakhir connect_string=“ jdbc:Oracle:thin:scott/tiger@192.168.0.1:1521:test” ;<br><br> String terakhir driver_string=“ Oracle.jdbc.driver.<br><br> OracleDriver” ;<br><br> Koneksi lkon;<br><br> coba { Kelas.untukNama(driverstr);<br><br> lconn=DriverManager.getConnection(menghubungkanstr);<br><br> lstmt=lconn.createStatement();<br><br> } catch (Pengecualian e) { return(null);}<br><br> kembali dulu;<br><br> }<br><br> }//akhiri opDb.java<br></span>        </div>
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