469 lines
18 KiB
C
469 lines
18 KiB
C
//
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// Created by CC-star on 25-5-9.
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// (1) 管理员功能:
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//歌曲信息管理: 歌曲信息添加，查询，修改，删除，存盘，浏览等。
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//歌曲信息至少包括: 编号，歌手名，歌曲名，歌曲类别等。
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#include <stdio.h>
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#include <string.h>
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#include <dirent.h>
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#include "../Shear/C3_shear.h"
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extern int songCount;
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// 更新歌曲信息功能
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void Update_MusicInfo() {
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Read_MuiscFile();
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if (songCount > 0) {
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FILE *fp = fopen(MUSIC_PATH, "w");
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if (fp == NULL) {
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printf("无法打开文件进行写入：%s\n", MUSIC_PATH);
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return;
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}
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for (int i = 0; i < songCount; i++) {
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// 编号-歌手名-歌曲名-歌曲类别
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fprintf(fp, "%d-%s-%s-%s\n",
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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}
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fclose(fp);
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printf("歌曲信息更新成功，写入%d首歌\n",songCount);
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} else {
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printf("未找到任何歌曲，不需要写入文件\n");
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}
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}
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//歌曲修改
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void Alter_MusicInfo() {
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Read_MuiscFile();
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if (songCount > 0) {
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FILE *fp = fopen(MUSIC_PATH, "r");
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if (fp == NULL) {
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printf("无法打开文件进行写入：%s\n", MUSIC_PATH);
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return;
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}
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int opt,a,b;
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char c1[100],c2[100];
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while (1) {
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printf("\n---------------------👇歌曲信息修改依据👇----------------------\n");
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printf("1：id\n2.歌曲名\n3.歌手名\n4.歌曲类别\n");
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printf("0.返回控制台\n");
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printf("-----------------------👆选择对应数字👆------------------------\n");
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printf("请输入选择：");
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scanf("%d", &opt);
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while(getchar() != '\n');
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switch (opt) {
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case 1:
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printf("请输入需要修改的id(整数)：");
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scanf("%d", &a);
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while(getchar() != '\n');
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// 先显示匹配的歌曲信息
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printf("\n---------------------👇匹配的歌曲信息👇----------------------\n");
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int found = 0;
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for (int i = 0; i < songCount; ++i) {
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if (a == SongList[i].id) {
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printf("%d-%s-%s-%s\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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found = 1;
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}
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}
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if (!found) {
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printf("未找到ID为%d的歌曲，无法进行修改操作\n", a);
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break;
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}
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printf("-----------------------👆歌曲信息👆------------------------\n");
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printf("请输入修改后的id(整数)：");
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scanf("%d", &b);
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while(getchar() != '\n');
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for (int i = 0; i < songCount; i++) {
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if (b == SongList[i].id) {
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printf("您输入的修改后的ID：%d，已存在，无法进行修改操作\n", b);
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return;
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}
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}
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printf("确认修改ID？(1.是，0.否)：");
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int confirm;
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scanf("%d", &confirm);
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while(getchar() != '\n');
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if (!confirm) {
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printf("已取消修改操作\n");
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break;
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}
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//开始改
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for (int i = 0; i < songCount; ++i) {
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if (a == SongList[i].id) {
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char old_filename[256], new_filename[256];
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sprintf(old_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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SongList[i].id = b;
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sprintf(new_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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if (rename(old_filename, new_filename) == 0) {
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printf("歌曲 %s 的ID修改成功，文件已重命名\n", SongList[i].name);
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} else {
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printf("文件重命名失败，请检查文件是否存在\n");
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}
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fclose(fp);
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printf("歌曲信息自动更新中...\n");
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Update_MusicInfo();
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printf("修改完成，返回控制台\n");
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return;
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}
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}
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break;
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case 2:
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printf("请输入需要修改的歌曲名：");
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scanf("%[^\n]", c1);
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while(getchar() != '\n');
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printf("\n---------------------👇匹配的歌曲信息👇----------------------\n");
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found = 0;
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].name) == 0) {
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printf("%d-%s-%s-%s\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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found = 1;
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}
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}
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if (!found) {
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printf("未找到歌曲名为%s的歌曲，无法进行修改操作\n", c1);
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break;
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}
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printf("-----------------------👆歌曲信息👆------------------------\n");
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printf("请输入修改后的歌曲名：");
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scanf("%[^\n]", c2);
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while(getchar() != '\n');
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for (int i = 0; i < songCount; i++) {
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if (strcmp(c2, SongList[i].name) == 0) {
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printf("您输入的修改后的歌曲名：%s，已存在，无法进行修改操作\n", c2);
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return;
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}
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}
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printf("确认修改歌曲名？(1.是，0.否)：");
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scanf("%d", &confirm);
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while(getchar() != '\n');
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if (!confirm) {
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printf("已取消修改操作\n");
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break;
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}
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].name) == 0) {
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char old_filename[256], new_filename[256];
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sprintf(old_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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strcpy(SongList[i].name, c2);
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sprintf(new_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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if (rename(old_filename, new_filename) == 0) {
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printf("歌曲名修改成功，文件已重命名\n");
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} else {
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printf("文件重命名失败，请检查文件是否存在\n");
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}
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fclose(fp);
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printf("歌曲信息自动更新中...\n");
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Update_MusicInfo();
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printf("修改完成，返回控制台\n");
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return;
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}
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}
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break;
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case 3:
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printf("请输入需要修改的歌手名：");
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scanf("%[^\n]", c1);
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while(getchar() != '\n');
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printf("\n---------------------👇匹配的歌曲信息👇----------------------\n");
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found = 0;
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].artist) == 0) {
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printf("%d-%s-%s-%s\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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found = 1;
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}
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}
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if (!found) {
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printf("未找到匹配的歌手名，无法进行修改操作\n");
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break;
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}
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printf("-----------------------👆歌曲信息👆------------------------\n");
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printf("请输入修改后的歌手名：");
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scanf("%[^\n]", c2);
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while(getchar() != '\n');
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printf("确认修改所有匹配歌曲的歌手名？(1.是，0.否)：");
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scanf("%d", &confirm);
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while(getchar() != '\n');
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if (!confirm) {
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printf("已取消修改操作\n");
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break;
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}
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].artist) == 0) {
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char old_filename[256], new_filename[256];
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sprintf(old_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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strcpy(SongList[i].artist, c2);
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sprintf(new_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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if (rename(old_filename, new_filename) == 0) {
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printf("歌曲 %s 的歌手名修改成功，文件已重命名\n", SongList[i].name);
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} else {
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printf("歌曲 %s 的文件重命名失败，请检查文件是否存在\n", SongList[i].name);
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}
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}
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}
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fclose(fp);
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printf("歌曲信息自动更新中...\n");
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Update_MusicInfo();
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printf("修改完成，返回控制台\n");
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return;
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case 4:
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printf("请输入需要修改的歌曲类别：");
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scanf("%[^\n]", c1);
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while(getchar() != '\n');
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printf("\n---------------------👇匹配的歌曲信息👇----------------------\n");
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found = 0;
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].category) == 0) {
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printf("%d-%s-%s-%s\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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found = 1;
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}
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}
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if (!found) {
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printf("未找到匹配的歌曲类别，无法进行修改操作\n");
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break;
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}
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printf("-----------------------👆歌曲信息👆------------------------\n");
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printf("请输入修改后的歌曲类别：");
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scanf("%[^\n]", c2);
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while(getchar() != '\n');
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printf("确认修改所有匹配歌曲的类别？(1.是，0.否)：");
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scanf("%d", &confirm);
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while(getchar() != '\n');
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if (!confirm) {
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printf("已取消修改操作\n");
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break;
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}
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for (int i = 0; i < songCount; ++i) {
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if (strcmp(c1, SongList[i].category) == 0) {
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char old_filename[256], new_filename[256];
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sprintf(old_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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strcpy(SongList[i].category, c2);
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sprintf(new_filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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if (rename(old_filename, new_filename) == 0) {
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printf("歌曲 %s 的类别修改成功，文件已重命名\n", SongList[i].name);
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} else {
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printf("歌曲 %s 的文件重命名失败，请检查文件是否存在\n", SongList[i].name);
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}
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}
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}
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fclose(fp);
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printf("歌曲信息自动更新中...\n");
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Update_MusicInfo();
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printf("修改完成，返回控制台\n");
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return;
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case 0:
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printf("⚠️返回控制台中...⚠️\n");
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return;
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default:
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printf("⚠️输入有误，请重新输入⚠️\n");
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break;
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}
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}
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} else {
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printf("未找到任何歌曲，无法修改文件\n");
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}
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}
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//删除歌曲
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void Delete_MusicInfo() {
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Read_MuiscFile();
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if (songCount <= 0) {
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printf("曲库为空，无法执行删除操作\n");
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return;
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}
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FILE *fp = fopen(MUSIC_PATH, "r");
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if (fp == NULL) {
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printf("无法打开文件进行读取：%s\n", MUSIC_PATH);
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return;
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}
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int a;
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printf("请输入需要删除的歌曲的id(整数)：");
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scanf("%d", &a);
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while(getchar() != '\n');
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printf("\n---------------------👇匹配的歌曲信息👇----------------------\n");
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int found = 0;
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int index ; // 删除的歌曲的索引
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for (int i = 0; i < songCount; ++i) {
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if (a == SongList[i].id) {
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printf("%d-%s-%s-%s\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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found = 1;
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index = i;
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}
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}
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if (!found) {
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printf("未找到ID为%d的歌曲，无法进行删除操作\n", a);
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fclose(fp);
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return;
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}
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printf("-----------------------👆歌曲信息👆------------------------\n");
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printf("确认删除此歌曲？(1.是，0.否)：");
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int confirm;
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scanf("%d", &confirm);
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while(getchar() != '\n');
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if (!confirm) {
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printf("已取消删除操作\n");
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fclose(fp);
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return;
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}
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char filename[256];
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sprintf(filename, "%s/%d-%s-%s-%s.mp3",
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MRES_PATH,
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SongList[index].id,
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SongList[index].artist,
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SongList[index].name,
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SongList[index].category);
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if (remove(filename) == 0) {
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printf("歌曲文件删除成功: %s\n", filename);
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} else {
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printf("歌曲文件删除失败，请检查文件是否存在\n");
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}
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for (int i = index; i < songCount - 1; i++) {
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SongList[i] = SongList[i + 1];
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}
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songCount--;
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printf("歌曲 %s 已从曲库中删除\n", SongList[index].name);
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fclose(fp);
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printf("歌曲信息自动更新中...\n");
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Update_MusicInfo();
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printf("删除操作完成，返回控制台\n");
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}
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int C3_Admin() {
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char password[10];
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printf("请输入管理员密码: ");
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scanf("%s", password);
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if (strcmp(password,"1") == 0) {
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while (1) {
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printf("\n---------------------👇管理员控制面板👇----------------------\n");
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printf("1. 歌曲信息覆盖\n");
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printf("2. 歌曲查询\n");
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printf("3. 歌曲修改\n");
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printf("4. 歌曲删除\n");
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printf("5. 歌曲浏览\n");
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printf("0.返回控制台\n");
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printf("-----------------------👆选择对应数字👆------------------------\n");
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printf("请输入选择：");
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int opt;
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scanf("%d", &opt);
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while(getchar() != '\n');
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switch (opt) {
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case 1://歌曲信息更新
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Update_MusicInfo();
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break;
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case 2://歌曲查询
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Song_query();
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break;
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case 3://歌曲修改
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Alter_MusicInfo();
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break;
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case 4://歌曲删除
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Delete_MusicInfo();
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break;
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case 5://歌曲浏览
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BrowseSongs();
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break;
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case 0:
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printf("⚠️返回主控制台中...⚠️\n");
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return 0;
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default:
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printf("⚠️输入有误，请重新输入⚠️\n");
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break;
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}
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}
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}
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}
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