向数据库添加数据代码,Java代码库,德仔网

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【Java】向数据库添加数据
作者:akang / 发布于2015/10/19/ 831

	package com.silei.day1012;
	
	import java.sql.Connection;
	import java.sql.DriverManager;
	import java.sql.ResultSet;
	import java.sql.SQLException;
	import java.sql.Statement;
	import java.util.ArrayList;
	import java.util.List;
	
	public class ConnDB {
	 public static Connection conn = null;
	 public static Statement stm = null;
	 public static ResultSet rs = null;
	 public static List<Student> list=null;
	 public static void main(String[] args) {
	 Student stu=new Student(100,"李雪芮","1234567");
	 stm=connDataBase();
	
	 InputData(stm,stu);
	
	 list=queryData(stm);
	 OutputData(list);
	
	 }
	 //向数据库添加数据
	 public static void InputData(Statement stm,Student stu){
	 int id=stu.getId();
	 String name=stu.getName();
	 String password=stu.getPassword();
	 try {
	 stm.executeUpdate("insert into student values("+null+",'"+name+"','"+password+"')");
	 System.out.println("成功添加一条数据");
	 } catch (SQLException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 }finally{
	 try {
	 stm.close();
	 } catch (SQLException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 }
	 }
	
	 }
	 //循环输出List中的学生记录
	 public static void OutputData(List<Student> list){
	 for(Student stu:list){
	 System.out.println("ID:"+stu.getId()+"学生的名字："+stu.getName()+"\t密码："+stu.getPassword());
	 }
	 }
	 //从数据库中查找数据，把查找到的数据添加到List中
	 @SuppressWarnings("finally")
	 public static List<Student> queryData(Statement stm) {
	 list=new ArrayList<Student>();
	 Student stu=null;
	 try {
	 rs = (ResultSet) stm.executeQuery("select * from student");
	 while (rs.next()) {
	 stu=new Student();
	 stu.setId(rs.getInt(1));
	 stu.setName(rs.getString(2));
	 stu.setPassword(rs.getString(3));
	 list.add(stu);
	 }
	 } catch (SQLException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 } finally {
	 try {
	 rs.close();
	 stm.close();
	 conn.close();
	 } catch (SQLException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 }
	 return list;
	 }
	 }
	 //连接数据库
	 public static Statement connDataBase(){
	 try {
	 Class.forName("org.sqlite.JDBC");
	 conn = DriverManager.getConnection("jdbc:sqlite:src/my.db");
	 stm = conn.createStatement();
	 } catch (Exception e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 }
	 return stm;
	 }
	}
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　添加数据　
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