import javax.security.auth.login.CredentialException;
import java.io.*;
import java.util.Arrays;

public class Hannscript {
    //判断几行
    public static int count = 0;
    public static void main(String[] args) throws IOException {
        //String path = Thread.currentThread().getClass().getClassLoader().getResource("structer1.csv").getPath();
        int i = 0;
        int j = 0;
        double[][] a  = Creat2DArray();
        BufferedReader reader = new BufferedReader(new FileReader("C:\\Users\\MasterPiece\\Desktop\\structer4.csv"));
        String line = null;
        while((line = reader.readLine())!= null){
            String[] item = line.split(",");
            //String last = item[item.length-1];
　　　　　　　　//这里改为数组行-1
            if(i >36){
                break;
            }
            System.out.println(Double.parseDouble(item[0]));
            a[i][0] =  Double.parseDouble(item[0]);

            i++;

            if(Double.parseDouble(item[0]) == 3){
                count++;
            }
            System.out.println(Arrays.toString(item));
        }
        int i1 = 0;
        BufferedReader reader1 = new BufferedReader(new FileReader("C:\\Users\\MasterPiece\\Desktop\\structer4.csv"));
        j=1;
        while((line = reader1.readLine())!= null){
            String[] item = line.split(",");

　　　　　　　//同样改为列-1
            if(j>50){
                break;
            }
            a[i1][j] = Double.parseDouble(item[1]);
            i1++;

            if(Double.parseDouble(item[0]) == 3){
                j++;
                i1 = 0;
            }

        }
        System.out.println(Arrays.toString(Creat2DArray()));
        System.out.println(count);


        //output csv files
        BufferedWriter writer = new BufferedWriter(new FileWriter("C:\\Users\\MasterPiece\\Desktop\\csv4.txt"));
        for(int i2 = 0; i2 < 37;i2++){
            for(int j2 = 0;j2<51;j2++){
　　　　　　　　　　//这里需要改为数组列-1
                if(j2 == 50){
                    writer.write(""+a[i2][j2]);
                }else {
                    writer.write(""+a[i2][j2]+",");
                }
                writer.flush();
            }
            writer.newLine();

        }
        writer.flush();

    }


    public static double[][] Creat2DArray(){
　　　　　//注意在这里要改成你所需要的二维数组
        double[][] a= new double[37][51];
        return a;
    }
}

comosol提取的能带数据为  参数频率重复，因此不能直接导入origin绘图，需要手动复制粘贴，如果扫描参数较多，那么会非常麻烦，因此写了这么一个小脚本，科研之路长路漫漫啊!