?? database.java
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package check;import java.sql.*;import check.dbconn;import check.strformat;public class database { protected Connection conn = null; //Connection接口 protected Statement stmt = null; //Statement接口 protected ResultSet rs = null; //記錄結(jié)果集 protected PreparedStatement prepstmt = null; //PreparedStatement接口 protected String sqlStr; //sql String protected boolean isConnect=true; //與數(shù)據(jù)庫連接標(biāo)識 public database() { try { sqlStr = ""; dbconn dc = new dbconn(); conn = dc.getConnection(); stmt = conn.createStatement(); } catch (Exception e) { System.out.println(e); isConnect=false; } } public Statement getStatement() { return stmt; } public Connection getConnection() { return conn; } public PreparedStatement getPreparedStatement() { return prepstmt; } public ResultSet getResultSet() { return rs; } public String getSql() { return sqlStr; } public boolean execute() throws Exception { return false; } public boolean insert() throws Exception { return false; } public boolean update() throws Exception { return false; } public boolean delete() throws Exception { return false; } public boolean query() throws Exception { return false; } public void close() throws SQLException { if ( stmt != null ) { stmt.close(); stmt = null; } conn.close(); conn = null; }}?? 快捷鍵說明
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