如题所述
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class TestConnectOracle {
public static void main(String[] args) {
Connection con = null;
PreparedStatement pre = null;
ResultSet result = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
System.out.println("开始尝试连接数据库!");
String url = "jdbc:oracle:" + "thin:@127.0.0.1:1521:ORCL1";
String user = "pioneer";
String password = "pioneer";
con = DriverManager.getConnection(url, user, password);
System.out.println("连接成功!");
String sql = "select * from tt where 1=?";
pre = con.prepareStatement(sql);
pre.setString(1, "1");
result = pre.executeQuery();
while (result.next()) {
System.out.println("Course: " + result.getString("name")
+ ", F1: " + result.getString("F1") + ",F2: "
+ result.getString("F2") + ", F3: "
+ result.getString("F3") + ", F4: "
+ result.getString("F4"));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (result != null)
result.close();
if (pre != null)
pre.close();
if (con != null)
con.close();
System.out.println("数据库连接已关闭!");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class TestConnectOracle {
public static void main(String[] args) {
Connection con = null;
PreparedStatement pre = null;
ResultSet result = null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
System.out.println("开始尝试连接数据库!");
String url = "jdbc:oracle:" + "thin:@127.0.0.1:1521:ORCL1";
String user = "pioneer";
String password = "pioneer";
con = DriverManager.getConnection(url, user, password);
System.out.println("连接成功!");
String sql = "select * from tt where 1=?";
pre = con.prepareStatement(sql);
pre.setString(1, "1");
result = pre.executeQuery();
while (result.next()) {
System.out.println("Course: " + result.getString("name")
+ ", F1: " + result.getString("F1") + ",F2: "
+ result.getString("F2") + ", F3: "
+ result.getString("F3") + ", F4: "
+ result.getString("F4"));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (result != null)
result.close();
if (pre != null)
pre.close();
if (con != null)
con.close();
System.out.println("数据库连接已关闭!");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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第1个回答 2015-11-23
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