?? condb.java
字號(hào):
import java.sql.*;
public class ConDB{
// jdbc-odbc驅(qū)動(dòng)
String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
// 指定要訪問的數(shù)據(jù)庫(kù)
String sConnStr = "jdbc:odbc:course";
Connection conn = null;
ResultSet rs = null;
public ConDB() {
try {
// 注冊(cè)jdbc驅(qū)動(dòng)程序
Class.forName(sDBDriver);
}
catch(java.lang.ClassNotFoundException e) {
System.err.println("course(): " + e.getMessage());
}
}
public ResultSet executeQuery(String sql) {
rs = null;
try {
// 連接數(shù)據(jù)庫(kù)
conn = DriverManager.getConnection(sConnStr);
// 執(zhí)行查詢操作
Statement stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
}
catch(SQLException ex) {
System.err.println("executeQuery: " + ex.getMessage());
}
return rs;
}
}
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