package com.lxyer.excel;

import com.lxyer.excel.poi.ExcelKit;
import org.junit.Test;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;

/**
 * @author: liangxianyou at 2018/9/15 7:52.
 */
public class ExcelKitTest {

    //read excel by fields
    @Test
    public void readTest() throws IOException {
        /*String sql1 = "select a, b, c from Sheet1";
        String sql2 = "select a, b, c from Sheet1 where a=1 order by b";
        String sql3 = "select a, b, c from Sheet1 s1, Sheet2 s2 order by";
        String sql4 = "select a, b, c from Sheet1 s1, Sheet2 s2 where order by";
        String select = sql1.substring(0,sql1.indexOf("from")).replace("select", "").replace(" ", "");

        System.out.println(sql1.substring(0,sql1.indexOf("from")).replace("select", "").replace(" ", ""));
        */

        String[] fields ={"a", "b", "c"};
        File file = new File("res/test.xlsx");
        List<Map> list = ExcelKit.readExcel(file, fields);
        System.out.println(list.size());

    }

    //read excel no fields
    @Test
    public void readTest2() throws IOException {
        List<Map> list = ExcelKit.readExcel(new File("res/test.xlsx"));

        list.forEach(x->{
            x.forEach((k,v)->{
                System.out.println(String.format("%s:%s", k, v));
            });
        });
    }

}