package mysql;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class Sql {
static{
try {
Class.forName("com.mysql.jdbc.Driver");
} catch (ClassNotFoundException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
public static Connection getCon() throws SQLException{
Connection con=null;
try {
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
/*用connection获取数据库的连接*/
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
return con;
}
public static void main(String[] args) throws SQLException {
String sql="insert into studentmessage(name,xh,pwd,cla,age,籍贯,sex,hobby) values(?,?,?,?,?,?,?,?)";
Connection con=getCon();
try {
PreparedStatement ps=con.prepareStatement(sql);
ps.setString(1,"蚩尤");
ps.setString(2,"1313");
ps.setString(3,"12");
ps.setString(4,"31");
ps.setString(5,"13");
ps.setString(6,"是");
ps.setString(7,"男");
ps.setString(8,"蚩尤");
int i=ps.executeUpdate();
System.out.println(i+"行数据受到影响");
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}finally{
try {
con.close();/*关闭连接*/
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}
}
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class Sql {
static{
try {
Class.forName("com.mysql.jdbc.Driver");
} catch (ClassNotFoundException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
public static Connection getCon() throws SQLException{
Connection con=null;
try {
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/student","root","123456");
/*用connection获取数据库的连接*/
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
return con;
}
public static void main(String[] args) throws SQLException {
String sql="insert into studentmessage(name,xh,pwd,cla,age,籍贯,sex,hobby) values(?,?,?,?,?,?,?,?)";
Connection con=getCon();
try {
PreparedStatement ps=con.prepareStatement(sql);
ps.setString(1,"蚩尤");
ps.setString(2,"1313");
ps.setString(3,"12");
ps.setString(4,"31");
ps.setString(5,"13");
ps.setString(6,"是");
ps.setString(7,"男");
ps.setString(8,"蚩尤");
int i=ps.executeUpdate();
System.out.println(i+"行数据受到影响");
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}finally{
try {
con.close();/*关闭连接*/
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}
}