代码改变世界

利用ASP.NET，重命名Mp3文件、歌词文件为 {歌手名} - {歌曲名}.{后缀名}

2011-07-31 13:46  音乐让我说  阅读(744)  评论(0)  编辑  收藏  举报

代码如下：

RenameMp3Files.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RenameMp3Files.aspx.cs" Inherits="WebPutImagesTogether.RenameMp3Files" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>重命名mp3文件</title>
    <style type="text/css">
        .redBorder { border:solid 1px red; }
        .greenBorder { border:solid 1px green; }
        .marginLeft7em { margin-left: 7em; }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2>重命名mp3文件，比如把“周杰伦-七里香.mp3”或“周杰伦    -    七里香.mp3”为“周杰伦 - 七里香.mp3”</h2>
    </div>
    <div>
        <asp:Label ID="lblMessage" runat="server" EnableViewState="false" />
    </div>
    <asp:PlaceHolder ID="phDealResult" runat="server" Visible="false">
        <div class="greenBorder">
            成功处理的文件夹目录为：<br /><br /><asp:Label ID="lblSuccess" runat="server" EnableViewState="false"  />
        </div>
        <br />
        <div class="redBorder">
            处理失败的文件夹目录为：<br /><br /><asp:Label ID="lblError" runat="server" EnableViewState="false" />
        </div>
    </asp:PlaceHolder>
   <div>
        请输入要处理的Mp3文件夹目录：<asp:TextBox ID="txtSourceFolder" runat="server" Width="70%" /><br /><br />
        <asp:Button ID="btnTest" runat="server" Text="开始测试" OnClick="btnTest_Click" />
            
        <asp:Button ID="btnOk" runat="server" Text="开始处理" OnClick="btnOk_Click" />
    </div>
    </form>
</body>
</html>

　　

RenameMp3Files.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace WebPutImagesTogether
{
    public partial class RenameMp3Files : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        /// <summary>
        /// 显示消息
        /// </summary>
        /// <param name="message">消息内容</param>
        /// <param name="rightFlag">是否是正确的消息，为 Null，表示不设置颜色。如果是，则消息的颜色为绿色，否则为红色</param>
        protected void ShowMessage(string message, bool? rightFlag)
        {
            this.lblMessage.Text = message;
            if (rightFlag.HasValue)
            {
                if (rightFlag.Value)
                {
                    this.lblMessage.ForeColor = System.Drawing.Color.Green;
                }
                else
                {
                    this.lblMessage.ForeColor = System.Drawing.Color.Red;
                }
            }
            else
            {
                this.lblMessage.ForeColor = System.Drawing.Color.Black;
            }

        }

        /// <summary>
        /// 开始测试
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnTest_Click(object sender, EventArgs e)
        {
            DealCommon(true);
        }

        /// <summary>
        /// 开始处理
        /// </summary>
        /// <param name="isTest">是否是测试</param>
        protected void DealCommon(bool isTest)
        {
            string sourceFolderPath = this.txtSourceFolder.Text;
            if (!Directory.Exists(sourceFolderPath))
            {
                ShowMessage("要处理的Mp3文件夹目录不存在", false);
                return;
            }
            StringBuilder messageAppend = new StringBuilder();
            StringBuilder errorMessageAppend = new StringBuilder();
            string[] fileTypes = new string[]{ ".mp3", ".lrc", ".wma", ".aac" }; // 常见音乐的后缀名
            string[] conjunctionCharItems = new string[] { "-" };  // 歌手和歌名之间的连接符
            string[] allFilePath = Directory.GetFiles(sourceFolderPath, "*.*", SearchOption.AllDirectories);
            FileInfo fileItem;
            string conjunctionChar; //连接符
            int conjunctionCharIndex; //连接符的索引
            string singer; //歌手
            string musicName; //歌名
            string currentDirectoryName; //当前处理的mp3文件夹所处的目录路径
            string newFileNameWithoutExtension;//新文件的名称（不包含扩展名）
            string newFileName; //新文件的名称
            string newFilePath; //新文件的路径
            foreach (string filePathItem in allFilePath)
            {
                fileItem = new FileInfo(filePathItem);
                if (!fileTypes.Contains(fileItem.Extension, StringComparer.CurrentCultureIgnoreCase))
                {
                    continue;
                }
                string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileItem.FullName);
                string fileExtension = Path.GetExtension(fileItem.FullName); //文件的扩展名
                conjunctionChar = null; //连接符清空
                conjunctionCharIndex = -1; //连接符的索引为 -1
                foreach (string conjunctionCharItem in conjunctionCharItems)
	            {
                    conjunctionCharIndex = fileNameWithoutExtension.IndexOf(conjunctionCharItem);
                    if (conjunctionCharIndex > -1)
                    {
                        conjunctionChar = conjunctionCharItem; //保存这个连接符
                        break;
                    }
	            }
                if (conjunctionChar == null)
                {
                    errorMessageAppend.Append("该文件没有连接符，文件路径为：" + fileItem.FullName + "<br/>");
                    continue;
                }
                singer = fileNameWithoutExtension.Substring(0, conjunctionCharIndex).Trim();
                musicName = fileNameWithoutExtension.Substring(conjunctionCharIndex + 1).Trim();
                if (string.IsNullOrEmpty(singer))
                {
                    errorMessageAppend.Append("该文件没有歌手名，文件路径为：" + fileItem.FullName + "<br/>");
                    continue;
                }
                if (string.IsNullOrEmpty(musicName))
                {
                    errorMessageAppend.Append("该文件没有歌曲名，文件路径为：" + fileItem.FullName + "<br/>");
                    continue;
                }
                newFileNameWithoutExtension = singer + " " + conjunctionChar + " " + musicName;
                newFileName = newFileNameWithoutExtension + fileExtension;
                if (fileItem.Name.Equals(newFileName))
                {
                    //相等，不需要处理
                    continue;
                }
                currentDirectoryName = Path.GetDirectoryName(fileItem.FullName);
                newFilePath = currentDirectoryName + "\\" + newFileName;
                if (File.Exists(newFilePath))
                {
                    errorMessageAppend.Append("准备将 <span style=\"color:red;\">" + fileItem.FullName + "</span> 重命名为 <span style=\"color:red;\">" + newFilePath + "</span>，可是新文件已存在！" + "<br/>");
                    continue;
                }
                if (isTest)
                {
                    messageAppend.Append("该文件可以重命名：" + fileItem.FullName + "<br/>");
                }
                else
                {
                    File.Move(fileItem.FullName, newFilePath);
                    File.Delete(fileItem.FullName);
                    messageAppend.Append("该文件已重命名为：" + newFilePath + "<br/>");
                }
            }
            this.phDealResult.Visible = true;
            this.lblSuccess.Text = messageAppend.ToString();
            this.lblError.Text = errorMessageAppend.ToString();
        }

        /// <summary>
        /// 开始处理
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOk_Click(object sender, EventArgs e)
        {
            DealCommon(false);
        }
    }
}

　

效果图如下：

　

谢谢浏览！