??package com.jdbc.dao;import java.sql.Connection;import java.sql.Date;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;import java.util.ArrayList;import java.util.List;import com.jdbc.Jdbc;import com.jdbc.model.Goddess;import com.mysql.fabric.xmlrpc.base.Data;public class GoddessDao {? ? ? ? ?public void addGoddess(Goddess g) throws Exception {? ? ? ? Connection conn = ?Jdbc.getConnection();? ? ? ? String sql =""+"insert ?into imooc_goddess"+"(user_name,sex,age,email,birthday,mobile,"? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?+"create_user,create_date,update_user,update_date,isdel,)"? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?+"values(" + "?,?,?,?,?,?,?,current_date(),?,current_date(),?)";//?相當于占位符；? ? ? ? PreparedStatement ?ptmt = ? ?conn.prepareStatement(sql);? ? ? ? ?? ? ? ? ptmt.setString(1, g.getUser_name());? ? ? ? ptmt.setInt(2, g.getSex());? ? ? ? ptmt.setInt(3, g.getAge());? ? ? ? ptmt.setString(4, g.getEmail());? ? ? ? ptmt.setDate(5 , ?new Date(g.getBirthday().getTime()));? ? ? ? ptmt.setString(6, g.getMobile());? ? ? ? ptmt.setString(7, g.getCreate_user());? ? ? ? ptmt.setString(8, g.getUpdate_user());? ? ? ? ptmt.setInt(9, g.getIsdel());? ? ? ? ?? ? ? ? ?? ? ? ? ptmt.execute();? ? ? ? ?? ? ? ? ?? ? ? ? ? ? ? ??? ? ? ? ?} ? ?public void updateGoddess(){ ? ? ? ?} ? ?public void delGoddess(){ ? ? ? ?} ? ?public List<Goddess> query() throws Exception { ? ? Connection conn = ?Jdbc.getConnection(); ? ? Statement stat = conn.createStatement(); ResultSet rs = stat.executeQuery("select ?user_name,age ?from imooc_goddess"); List<Goddess> gs = new ArrayList<Goddess>(); Goddess g = null; while (rs.next()) { g=new Goddess(); g.setUser_name(rs.getString("user_name")); g.setAge(rs.getInt("age")); gs.add(g); } ? ? return gs; ? ?} ? ?public Goddess get(){ ? ? return null; ? ? ? ?}}控制臺異常：Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')values('小夏',1,22,'[email protected]','2016-09-26','13254685481','lee',current_' at line 1 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2526) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2673) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2549) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192) at com.jdbc.dao.GoddessDao.addGoddess(GoddessDao.java:35) at com.action.GoddessAction.main(GoddessAction.java:33)