mysql數據庫修正添加Date格局列的辦法。本站提示廣大學習愛好者:(mysql數據庫修正添加Date格局列的辦法)文章只能為提供參考,不一定能成為您想要的結果。以下是mysql數據庫修正添加Date格局列的辦法正文
import java.sql.*; import java.text.DateFormat; //數據庫的查詢 public class SelectTable { String dbDriver="com.mysql.jdbc.Driver"; String dbUrl="jdbc:mysql://localhost:3306/sss";//依據現實情形變更 String username="root"; String password="123"; public Connection getConn() { Connection conn=null; try { Class.forName(dbDriver); } catch (ClassNotFoundException e) { e.printStackTrace(); } try { conn = DriverManager.getConnection(dbUrl,username,password);//留意是三個參數 } catch (SQLException e) { e.printStackTrace(); } return conn; } public void select(){ Connection conn = getConn(); try{ Statement stmt = conn.createStatement(); //創立Statement對象 System.out.println("勝利銜接到數據庫!"); String sql = "select * from jdbc"; //要履行的SQL ResultSet rs = stmt.executeQuery(sql);//創立數據對象 System.out.println("id"+"\t"+"name"+"\t"+"brithday"); while (rs.next()){ System.out.print(rs.getInt(1) + "\t"); System.out.print(rs.getString(2) + "\t"); System.out.print(rs.getDate(3) + "\t"); System.out.println(); } }catch(Exception e){ e.printStackTrace(); } } public void insert(){ Connection conn = getConn(); try{ Statement stmt = conn.createStatement(); System.out.println("勝利銜接到數據庫!"); String sql = "insert into jdbc (id,name,birthday) values(?,?,?)"; PreparedStatement pst =conn.prepareStatement(sql); DateFormat df = DateFormat.getDateInstance(); java.util.Date dd = df.parse("2000-12-12");//將YYYY-MM-DD格局的時光轉換為date long t = dd.getTime(); java.sql.Date date = new java.sql.Date(t); pst.setInt(1, 5); pst.setString(2, "limazhi"); pst.setDate(3, date); pst.executeUpdate(); select(); }catch(Exception e){ e.printStackTrace(); } } public static void main(String args[]){ SelectTable st = new SelectTable(); st.insert(); } }