TimerPlay 一个定时播放音乐的小工具

[墨香年少 32]

 

核心代码

using System;
using System.Collections.Generic;
using System.Threading;
using System.Windows.Forms;

namespace TimerPlay
{
    public partial class Form1 : Form
    {
        List<string> mp3_list = new List<string>();

        int max_loop_count = 0;
        int looped_count = -1;
        int play_i = 0;

        int start_ts = 0;
        int close_ts = 0;
        int used_ts = 0;

        bool started = false;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            started = false;
            comboBox_play_mod.SelectedIndex = 0;
            axWindowsMediaPlayer1.PlayStateChange += new AxWMPLib._WMPOCXEvents_PlayStateChangeEventHandler(axMediaPlayer_PlayStateChange);
        }
        private void axMediaPlayer_PlayStateChange(object sender, AxWMPLib._WMPOCXEvents_PlayStateChangeEvent e)
        {
            if (mp3_list.Count < 0)
            {
                return;
            }

            string txt = "";
            switch (e.newState)
            {
                case 0:
                    txt = "Undefined";
                    break;
                case 1:
                    txt = "Stopped";
                    break;
                case 2:
                    txt = "Paused";
                    break;
                case 3:
                    txt = "Playing";
                    play_i++;

                    if (play_i >= mp3_list.Count) {
                        play_i = 0;
                    }
                    if (1 == play_i)
                    {
                        looped_count++;
                        label_looped_count.Text = "已经循环: " + looped_count.ToString() + "次";

                        if (looped_count >= max_loop_count)
                        {
                            axWindowsMediaPlayer1.Ctlcontrols.stop();
                            MessageBox.Show("播放完毕,已经循环:"+ looped_count.ToString()+"次", "提示");
                        }
                    }

                    break;
                case 4:
                    txt = "ScanForward";
                    break;
                case 5:
                    txt = "ScanReverse";
                    break;
                case 6:
                    txt = "Buffering";
                    break;
                case 7:
                    txt = "Waiting";
                    break;
                case 8:
                    txt = "MediaEnded";
                    break;
                case 9:
                    txt = "Transitioning";
                    break;
                case 10:
                    txt = "Ready";
                    break;
                case 11:
                    txt = "Reconnecting";
                    break;
                case 12:
                    txt = "Last";
                    break;
                default:
                    txt = ("Unknown State: " + e.newState.ToString());
                    break;
            }

            if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsMediaEnded)
            {
                axWindowsMediaPlayer1.URL = mp3_list[play_i];
            }
            if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsReady)
            {
                if (axWindowsMediaPlayer1.URL == mp3_list[play_i])
                {
                    try
                    {
                        label_active_name.Text = "["+ (play_i + 1).ToString() +"/"+ mp3_list.Count.ToString() + "]"+GetFileName(mp3_list[play_i]);
                        axWindowsMediaPlayer1.Ctlcontrols.play();
                    }
                    catch (Exception ex)
                    {
                    }
                }
            }

        }

        private string GetFileName(string path)
        {
            string[] ps = path.Split('\\');
            return ps[ps.Length-1];
        }


        //选择音乐
        private void button_add_Click(object sender, EventArgs e)
        {
            using (OpenFileDialog ofd = new OpenFileDialog())
            {
                ofd.Multiselect = true;
                ofd.Filter = "mp3音频文件|*.mp3";
                DialogResult dr = ofd.ShowDialog();
                if (dr == DialogResult.OK)
                {
                    string[] arr = ofd.FileNames;

                    foreach (string file in arr)
                    {
                        mp3_list.Add(file);
                    }

                    for (int m = 0; m < mp3_list.Count; m++)
                    {
                        int index = this.dataGridView1.Rows.Add();
                        this.dataGridView1.Rows[index].Cells[0].Value = m;
                        this.dataGridView1.Rows[index].Cells[1].Value = mp3_list[m];

                        axWindowsMediaPlayer1.currentPlaylist.insertItem(m, axWindowsMediaPlayer1.newMedia(mp3_list[m]));
                    }
                    label_selected_tip.Text = "已选择 " + mp3_list.Count.ToString() + " 首音乐";
                }
            }
        }

        private void button_start_Click(object sender, EventArgs e)
        {
            if (mp3_list.Count < 1)
            {
                MessageBox.Show("没有选择任何mp3,无法开始");
            }
            else
            {
                button_add.Enabled = false;
                button_start.Enabled = false;
                tb_loop_count.Enabled = false;
                comboBox_play_mod.Enabled = false;
                dateTimePicker_start.Enabled = false;
                dateTimePicker_close.Enabled = false;
                this.dataGridView1.Enabled = false;
                max_loop_count = int.Parse(tb_loop_count.Text);

                string start = dateTimePicker_start.Text;
                start_ts = datetime_ts(start);

                string close = dateTimePicker_close.Text;
                close_ts = datetime_ts(close);

                timer1.Enabled = true;
            }
        }

        int datetime_ts(string dt)
        {
            DateTime time = Convert.ToDateTime(dt);
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); // 当地时区
            TimeSpan ts = time - startTime;
            int timestamp = (int)Convert.ToInt64(ts.TotalSeconds);
            return timestamp;
        }

        public int GetTimeStamp10()
        {
            return (int)new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();
        }

        public void play_mp3()
        {
            try
            {
                axWindowsMediaPlayer1.Ctlcontrols.play();
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message.ToString(), "Exception catched!");
            }
        }

        private void exit_app(object sender, FormClosingEventArgs e)
        {
            const string message = "确定关闭程序吗？";
            const string caption = "请确认";
            var result = MessageBox.Show(message, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (result == DialogResult.Yes)
            {
                Dispose(true);
                Application.Exit();
            }
            else
            {
                e.Cancel = true;
            }
        }

        private void sync_timer(object sender, EventArgs e)
        {
            label_curr_time.Text = "当前时间:"+ DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            int now = GetTimeStamp10();
            if (now >= start_ts)
            {
                if (!started)
                {
                    started = true;
                    label_left_time.Text = "";
                    used_ts = 0;
                    label_active_name.Text = "[1/" + mp3_list.Count.ToString() + "]" + GetFileName(mp3_list[0]);
                    play_mp3();
                }
            }
            else 
            {
                int time = start_ts - now;
                label_left_time.Text = "距离开始:" + SecondToHour(time);
            }

            if (started)
            {
                used_ts++;
                label_used_time.Text = "已用时:"+SecondToHour(used_ts);

                if (now >= close_ts)
                {
                    timer1.Enabled = false;
                    started = false;
                    axWindowsMediaPlayer1.Ctlcontrols.stop();
                    MessageBox.Show("已经到设定的结束时间:" + dateTimePicker_close.Text, "结束提示");
                }
                else {
                    label_close_tip.Text = "距离结束:"+SecondToHour(close_ts - now);
                }
            }
        }

        public string SecondToHour(int t)
        {
            int second = 0;
            int minute = 0;
            int hour = 0;

            if (t > 0) {
                second = t % 60;
            }
            if (t > 60) {
                minute = t / 60;
            }
            if (minute > 60) {
                hour = minute / 60;
            }

            return (hour + "时" + minute + "分" + second + "秒");
        }
    }
}