java 控制台 输出进度条

效果

 代码

    public static void main(String[] args) {

        int total = 100;
        for (int i = 0; i < total; i++) {
            System.out.print(GetProces(total, i+1));
            try {
                Thread.sleep(20);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

    }

    static String GetProces(int total, int finish) {
        StringBuilder str = new StringBuilder();
        str.append("\r完成[");
        for (int i = 0; i < total; i++) {
            if (i > finish) {
                str.append(" ");
            } else if (i == finish) {
                str.append(">");
            } else {
                str.append("=");
            }
        }
        str.append("]" + finish + "%");
        return str.toString();
    }