Python语言带谱曲功能beep简谱播放器程序代码QZQ

import numpy as np
import pygame
import tkinter as tk
from tkinter import messagebox, Menu
import random  # 添加随机模块导入

# 初始化音频系统
pygame.init()
pygame.mixer.init()

# 标准简谱音符频率（修正版）
NOTES = {
    '1.': 130.81, '2.': 146.83, '3.': 164.81, '4.': 174.61, '5.': 196.00, '6.': 220.00, '7.': 246.94,
    '1': 261.63,  '2': 293.66,  '3': 329.63,  '4': 349.23,  '5': 392.00,  '6': 440.00,  '7': 493.88,
    '1*': 523.25, '2*': 587.33, '3*': 659.25, '4*': 698.46, '5*': 783.99, '6*': 880.00, '7*': 987.77,
    '-': 0         # 休止符（连写表示时长）
}

DEFAULT_SCORE = """5-351*--76-1*-5---5-123-212----5-351*--76-1*-5---5-234--7.1----6-1*-1*---7-671*---671*665312----5-351*--76-1*-5---5-234--7.1------"""
DEFAULT_SPEED = 1.0

def generate_sound(freq, duration=0.3):
    if freq == 0: return None
    t = np.linspace(0, duration, int(44100*duration))
    mono = np.sin(2*np.pi*freq*t)
    stereo = np.column_stack((mono, mono))
    return pygame.sndarray.make_sound((stereo*32767).astype(np.int16))

def parse_score(score_text):
    notes = []
    i = 0
    n = len(score_text)
    while i < n:
        char = score_text[i]
        if char == '-':
            start = i
            while i < n and score_text[i] == '-':
                i += 1
            notes.append('-'*(i-start))
        else:
            start = i
            if char in '1234567':
                i += 1
                if i < n and score_text[i] in ('.', '*'):
                    i += 1
            notes.append(score_text[start:i])
    return notes

def play_sequence():
    try:
        speed = float(speed_entry.get()) if speed_entry.get() else DEFAULT_SPEED
        score_text = entry.get("1.0", tk.END).strip() or DEFAULT_SCORE  
        score_text = ''.join([c for c in score_text if c in '1234567.*-'])
        notes = parse_score(score_text)
        
        valid_notes = []
        for note in notes:
            if note.startswith('-'):
                valid_notes.append(note)
            else:
                note_upper = note.upper()
                if note_upper in NOTES:
                    valid_notes.append(note_upper)
                else:
                    print(f"无效音符: {note}")
        
        if not valid_notes:
            messagebox.showwarning("提示", "无有效音符！")
            return
        
        duration_base = 0.3 * speed  
        for note in valid_notes:
            if note.startswith('-'):
                length = len(note)
                pygame.time.delay(int(length * duration_base * 1000))
            else:
                freq = NOTES[note]
                sound = generate_sound(freq, duration_base)
                if sound:
                    sound.play()
                    pygame.time.delay(int(duration_base * 1000))  # 移除+20
    except ValueError:
        messagebox.showerror("错误", "速度值必须为数字（如0.5-2.0）")
    except Exception as e:
        messagebox.showerror("错误", f"播放失败：{str(e)}")

def create_text_right_click_menu(text_widget):
    right_click_menu = Menu(root, tearoff=0)
    right_click_menu.add_command(label="全选", command=lambda: text_widget.tag_add(tk.SEL, "1.0", tk.END))
    right_click_menu.add_command(label="复制", command=lambda: text_widget.event_generate("<>"))
    right_click_menu.add_command(label="粘贴", command=lambda: text_widget.event_generate("<>"))
    right_click_menu.add_command(label="剪切", command=lambda: text_widget.event_generate("<>"))
    right_click_menu.add_separator()
    right_click_menu.add_command(label="删除", command=lambda: text_widget.delete(tk.SEL_FIRST, tk.SEL_LAST))
    
    def show_menu(event):
        try:
            right_click_menu.tk_popup(event.x_root, event.y_root)
        finally:
            right_click_menu.grab_release()
    
    text_widget.bind("", show_menu)
    text_widget.bind("", show_menu)

# 创建界面
root = tk.Tk()
root.title("简谱播放器（文本框速度输入）")
root.geometry("800x500")

# 速度控制
speed_frame = tk.Frame(root)
speed_frame.pack(pady=10, padx=20, fill=tk.X)
speed_label = tk.Label(speed_frame, text="播放速度（0.5-2.0倍）:")
speed_label.pack(side=tk.LEFT, padx=5)
speed_entry = tk.Entry(speed_frame, font=('Arial', 10), width=8)
speed_entry.insert(0, str(DEFAULT_SPEED))
speed_entry.pack(side=tk.LEFT, padx=5)
speed_hint = tk.Label(speed_frame, text="如：1.0为正常速度, 0.5为快2倍")
speed_hint.pack(side=tk.LEFT, padx=10)

# 文本框
label = tk.Label(root, text="输入简谱（无空格，-表示休止符，.低音*高音，支持右键菜单）:")
label.pack(pady=5)



# 定义音符列表（建议放在全局作用域）
a = ["1.", "2.", "3.", "4.", "5.", "6.", "7.", "1", "2", "3", "4", "5", "6", "7", "1*", "2*", "3*", "4*", "5*", "6*", "7*"]
b = ["", "-", "--"]

# **先定义生成随机音符的函数**
def generate_random_notes():
    random_notes = []
    for _ in range(110):
        random_note = random.choice(a) + random.choice(b)
        random_notes.append(random_note)
    entry.delete("1.0", tk.END)  # 清空文本框
    entry.insert(tk.END, "".join(random_notes))  # 插入随机音符

# 创建文本框
entry = tk.Text(root, font=('Arial', 12), width=60, height=12, wrap=tk.WORD)
entry.pack(pady=10, padx=20)
entry.insert(tk.END, DEFAULT_SCORE)  # 设置默认简谱

# 创建随机谱曲按钮（此时函数已定义）
generate_button = tk.Button(root, text="随机谱曲", command=generate_random_notes)
generate_button.pack(pady=25, padx=20)  # 靠右放置
# 绑定右键菜单
create_text_right_click_menu(entry)

# 播放按钮
play_btn = tk.Button(root, text="开始播放", command=play_sequence,
                     font=('Arial', 12), bg="#4CAF50", fg="white", width=20)
play_btn.pack(pady=20)



root.mainloop()
pygame.quit()