java 读取csv文件里指定行列的值

/**
     * 从本地CSV文件获得目标日期
     * @param url
     * @param orderIndex
     * @return
     */
    public static String getDateFromLocalCSV(String url , int orderIndex) {
        //缓存读取流
        BufferedReader csvReader = null;
        try {
            csvReader = new BufferedReader(new FileReader(url));
            //当前行初始化
            String line = null;
            //当前索引
            int index = 0;
            while ((line=csvReader.readLine()) != null){
                String [] item = line.split(",");
                if (index == orderIndex  && index != 0){
                    String orderStr = item[1];

                    return orderStr;
                }
                index++;
            }
            return null;
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                csvReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }

    public static void main(String[] args) {
        String url = "/home/lidengyin/Downloads/code/soft-cup/4565.csv";
        String orderStr = getDateFromLocalCSV(url, 5);
        System.out.println("orderStr: "+orderStr);
    }