import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class OracleJDBC {
static String url ="jdbc:oracle:thin:@localhost:1521:ORCL";
static String user="scott";
static String psw ="654123";
static Connection conn = null;
public static Connection getConn(){
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection(url, user, psw);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public static void testSQL(){
if(conn!=null){
try {
Statement sm= conn.createStatement();
ResultSet rs = sm.executeQuery("select * from emp");
while(rs.next()){
System.out.print(rs.getBigDecimal(1)+" ");
System.out.print(rs.getString(2)+" ");
System.out.print(rs.getString(3)+" ");
System.out.print(rs.getBigDecimal(4)+" ");
System.out.print(rs.getDate(5)+" ");
System.out.print(rs.getBigDecimal(6)+" ");
System.out.print(rs.getBigDecimal(7)+" ");
System.out.print(rs.getBigDecimal(8)+" \r\n");
//System.out.print(rs.getBigDecimal(9)+" \r\n");
}
rs.close();
sm.close();
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public static void testUpdate(){
if(conn!=null){
Statement sm = null;
try {
sm = conn.createStatement();
int n = sm.executeUpdate("update emp set sal=1023 where empno=7566");
//执行存储过程
//CallableStatement cs = conn.prepareCall("{call proc(?,?,?)}");
//设置参数
//cs.setString(1,"dfsaf");
if(n>0){
System.out.println("update success");
}
else{
System.out.println("update fail");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
sm.close();
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Connection con = OracleJDBC.getConn();
if(con==null){
System.out.println("fail");
}
else{
System.out.println("success");
//testSQL();
testUpdate();
}
}
}
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class OracleJDBC {
static String url ="jdbc:oracle:thin:@localhost:1521:ORCL";
static String user="scott";
static String psw ="654123";
static Connection conn = null;
public static Connection getConn(){
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection(url, user, psw);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public static void testSQL(){
if(conn!=null){
try {
Statement sm= conn.createStatement();
ResultSet rs = sm.executeQuery("select * from emp");
while(rs.next()){
System.out.print(rs.getBigDecimal(1)+" ");
System.out.print(rs.getString(2)+" ");
System.out.print(rs.getString(3)+" ");
System.out.print(rs.getBigDecimal(4)+" ");
System.out.print(rs.getDate(5)+" ");
System.out.print(rs.getBigDecimal(6)+" ");
System.out.print(rs.getBigDecimal(7)+" ");
System.out.print(rs.getBigDecimal(8)+" \r\n");
//System.out.print(rs.getBigDecimal(9)+" \r\n");
}
rs.close();
sm.close();
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public static void testUpdate(){
if(conn!=null){
Statement sm = null;
try {
sm = conn.createStatement();
int n = sm.executeUpdate("update emp set sal=1023 where empno=7566");
//执行存储过程
//CallableStatement cs = conn.prepareCall("{call proc(?,?,?)}");
//设置参数
//cs.setString(1,"dfsaf");
if(n>0){
System.out.println("update success");
}
else{
System.out.println("update fail");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
sm.close();
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Connection con = OracleJDBC.getConn();
if(con==null){
System.out.println("fail");
}
else{
System.out.println("success");
//testSQL();
testUpdate();
}
}
}