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銆€銆€浠ｇ爜娓呭崟 5 UserList.java
| 1. package bookstore; 2. import java.sql.*; 3. 4. public class UserList 5. { 6. 銆€//鑾峰彇HTML涓嬫媺妗嗙殑鐢ㄦ埛鍒楄〃浠ｇ爜 7. 銆€public static String getUserListHTML() { 8. 銆€銆€Connection conn = null; 9. 銆€銆€StringBuffer sBuf = new StringBuffer(); 10.銆€銆€try { 11.銆€銆€銆€conn = DBConnection.getConnection(); 12.銆€銆€銆€PreparedStatement pStat = conn.prepareStatement( 13.銆€銆€銆€銆€ "select USER_ID,USER_NAME from T_USER"); 14.銆€銆€銆€ResultSet rs = pStat.executeQuery(); 15.銆€銆€銆€while (rs.next()) { 16.銆€銆€銆€銆€sBuf.append("锛渙ption value='" + rs.getString("USER_ID") + "'锛? + 17.銆€銆€銆€銆€rs.getString("USER_NAME") + "锛?option锛?n"); 18.銆€銆€銆€} 19.銆€銆€銆€return sBuf.toString(); 20.銆€銆€} catch (SQLException ex) { 21.銆€銆€銆€ex.printStackTrace(); 22.銆€銆€銆€return ""; 23.銆€銆€} finally { 24.銆€銆€銆€try { 25.銆€銆€銆€銆€if (conn != null) { 26.銆€銆€銆€銆€銆€conn.close(); 27.銆€銆€銆€銆€銆€conn = null; 28.銆€銆€銆€銆€} 29.銆€銆€銆€} catch (SQLException ex1) { 30.銆€銆€} 31.銆€} 32. } 33. } |
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銆€銆€浠ｇ爜娓呭崟 6 璋冩暣鍚庣殑login.jsp浠ｇ爜
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