package com.jdbc.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.dbutils.BeanProcessor;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.ResultSetHandler;
import org.apache.commons.dbutils.handlers.ArrayHandler;
import org.apache.commons.dbutils.handlers.ArrayListHandler;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import com.jdbc.db.DBConnection;
import com.jdbc.entity.Book;
import com.jdbc.entity.School;
import com.jdbc.entity.Student;

public class Test {

	public static void main(String[] args) {

		Test t = new Test();

        // dbutils 自带的一个结果集处理类，只把查询结果的第一行封装成数组
		t.testArrayHandler();
 
        // dbutils 自带的一个结果集处理类，把查询结果的每一个行都封装到数组再把数组装到集合中
		t.testArrayListHandler();

        // dbutils 自带的一个结果集处理类，把查询结果封装在bean中
		t.testBeanHandler();
                  
        // dbutils 自带的一个结果集处理类，把查询结果封装在bean中再把bean装到集合中
		t.testBeanListHandler();
                  
        // 两个表查封装到一个bean中
		t.queryTwoTable();

        // 把两个表联查的每行数据封装到bean中再装入集合
		t.queryListTwoTable();

        // 3个表联查封装成级联bean
		t.queryListThreeTable();	
	
        t.insert();
		t.upload();
		t.detele();

        // 把数据插入两张表
		t.insertTwoTable();

	}

	public void testArrayHandler() {

		ResultSetHandler<Object[]> rsh = new ArrayHandler();
		QueryRunner qr = new QueryRunner(new DBConnection());

		String sql = "select * from student, book where student.book_id = book.book_id";
		try {
			Object[] arr = qr.query(sql, rsh);
			for (int i = 0; i < arr.length; i++)
				System.out.print(arr[i].toString() + "\t");
			System.out.println("");
		} catch (SQLException e) {
			e.printStackTrace();
		}

	}

	public void testArrayListHandler() {

		ResultSetHandler<List<Object[]>> rsh = new ArrayListHandler();
		QueryRunner qr = new QueryRunner(new DBConnection());

		String sql = "select * from student, book where student.book_id = book.book_id";

		try {
			List<Object[]> list = qr.query(sql, rsh);
			int size = list.size();
			for (int i = 0; i < size; i++) {
				Object[] arr = list.get(i);
				for (int j = 0; j < arr.length; j++)
					System.out.print(arr[j].toString() + "\t");
				System.out.println("");
			}
			System.out.println("");
		} catch (SQLException e) {
			e.printStackTrace();
		}

	}

	public void testBeanHandler() {

		ResultSetHandler<Student> rsh = new BeanHandler<Student>(Student.class);
		QueryRunner qr = new QueryRunner(new DBConnection());

		String sql = "select * from student, book where student.book_id = book.book_id";

		try {
			Student student = qr.query(sql, rsh);
			System.out.print(student.getStudent_id() + "\t");
			System.out.print(student.getStudent_name() + "\t");
			System.out.print(student.getStudent_age() + "\t");
			System.out.print(student.getStudent_email() + "\n");

		} catch (SQLException e) {
			e.printStackTrace();
		}

	}

	public void queryTwoTable() {

		QueryRunner qr = new QueryRunner(new DBConnection());

		String sql = "select * from student, book where student.book_id = book.book_id";

		try {
			Student student = qr.query(sql, new ResultSetHandler<Student>() {

				public Student handle(ResultSet rs) throws SQLExce