添加项目文件。

Common/FileReader.cs

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+using System.IO;
+using System.Windows.Forms;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace WordPress2Valine.Common
+{
+    public class FileReader
+    {
+        public static JArray ReadJson(string path)
+        {
+            using (StreamReader file = File.OpenText(path))
+            {
+                using (JsonTextReader reader = new JsonTextReader(file))
+                {
+                    JArray o = (JArray)JToken.ReadFrom(reader);
+                    return o;
+                }
+            }
+        }
+        public static string ReadFileFromDialog()
+        {
+            OpenFileDialog dialog = new OpenFileDialog();
+            dialog.Multiselect = false;
+            dialog.Filter = "WordPress Data(*.json)|*.*";
+            if (dialog.ShowDialog() == DialogResult.OK)
+            {
+                return dialog.FileName;
+            }
+            return null;
+        }
+    }
+}

Common/FileWriter.cs

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+using System;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace WordPress2Valine.Common
+{
+    public class FileWriter
+    {
+        public static void SaveComment(string path, Valine[] v)
+        {
+            if (!Directory.Exists(path))
+            {
+                Directory.CreateDirectory(path);
+            }
+            string fp = string.Format("{0}\\Comment_{1}.json", path, DateTime.Now.ToString("yyyyMMdd_HHmmss"));
+            if (!File.Exists(fp))
+            {
+                FileStream fs = new FileStream(fp, FileMode.Create, FileAccess.ReadWrite);
+                fs.Close();
+            }
+            File.WriteAllText(fp, JsonConvert.SerializeObject(v));
+            Console.WriteLine();
+            Console.WriteLine(fp);
+        }
+    }
+}

Common/UrlDictionary.cs

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+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json.Linq;
+
+namespace WordPress2Valine.Common
+{
+    class UrlDictionary
+    {
+        public static Dictionary<string, string> dic;
+
+        private static void CreateDic()
+        {
+            dic = new Dictionary<string, string>();
+        }
+        public static void AutoAddDic(JArray o)
+        {
+            int c = o.Count;
+            for (int i = 0; i < c; i++)
+            {
+                AddDic(o[i]["comment_post_ID"].ToString());
+            }
+        }
+        public static void AddDic(string wordpressId)
+        {
+            AddDic(wordpressId, wordpressId);
+        }
+        public static void AddDic(string wordpressId, string hexoId)
+        {
+            if (dic == null)
+            {
+                CreateDic();
+            }
+            if (dic.ContainsKey(wordpressId))
+            {
+                if (dic[wordpressId] == "/" + hexoId + "/") return;
+                dic[wordpressId] = "/" + hexoId + "/";
+                Console.WriteLine("WordPress = {0} => Valine = {1}", wordpressId, dic[wordpressId]);
+            }
+            else
+            {
+                dic.Add(wordpressId, "/" + hexoId + "/");
+            }
+        }
+        /// <summary>
+        /// comment_post_ID 转 Hexo 链接后缀
+        /// </summary>
+        /// <param name="id">comment_post_ID</param>
+        public static string GetDic(string id) 
+        {
+            if (dic == null)
+            {
+                CreateDic();
+            }
+
+            if (dic.ContainsKey(id))
+            {
+                return dic[id];
+            }
+            else
+            {
+                return null;
+            }
+        }
+        public static void GetAllDic()
+        {
+            if (dic == null)
+            {
+                CreateDic();
+            }
+            Console.WriteLine("---------------");
+            foreach (var d in dic)
+            {
+                Console.WriteLine("WordPress = {0} => Valine = {1}", d.Key, d.Value);
+            }
+            Console.WriteLine("---------------");
+        }
+    }
+}

Common/Valine.cs

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+namespace WordPress2Valine.Common
+{
+    public class Valine
+    {
+        public string comment;
+        public string createdAt;
+        public InsertedAt insertedAt = new InsertedAt();
+        public string ip;
+        public string link;
+        public string mail;
+        public string nick;
+        public string objectId;
+        public string ua;
+        public string updatedAt;
+        public string url;
+        public string rid = null;
+    }
+
+    public class InsertedAt
+    {
+        public string __type = "Date";
+        public string iso;
+    }
+}

Common/WordpressToValine.cs

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+using System;
+using Newtonsoft.Json.Linq;
+using WordPress2Valine.Utils;
+
+namespace WordPress2Valine.Common
+{
+    public class WordPressToValine
+    {
+        public static bool Convert(JArray o, string path)
+        {
+            try
+            {
+                int c = o.Count;
+                Valine[] va = new Valine[c];
+                for (int i = 0; i < c; i++)
+                {
+                    va[i] = new Valine();
+                    va[i].comment = string.Format("<p>{0}</p>", Unicode.Decode(o[i]["comment_content"].ToString()));
+                    va[i].createdAt = TimeConvert.Format(o[i]["comment_date_gmt"].ToString());
+                    va[i].insertedAt.iso = TimeConvert.Format(o[i]["comment_date_gmt"].ToString());
+                    va[i].ip = o[i]["comment_author_IP"].ToString();
+                    va[i].link = o[i]["comment_author_url"].ToString();
+                    va[i].mail = o[i]["comment_author_email"].ToString();
+                    va[i].nick = Unicode.Decode(o[i]["comment_author"].ToString());
+                    va[i].objectId = o[i]["comment_ID"].ToString();
+                    va[i].ua = o[i]["comment_agent"].ToString();
+                    va[i].updatedAt = TimeConvert.Format(o[i]["comment_date_gmt"].ToString());
+                    va[i].url = UrlDictionary.GetDic(o[i]["comment_post_ID"].ToString());
+                    if (o[i]["comment_parent"].ToString() != "0")
+                    {
+                        va[i].rid = o[i]["comment_parent"].ToString();
+                        //遍历评论id，寻找回复层对应的主评论
+                        for (int j = 0; j < c; j++)
+                        {
+                            if (va[i].rid == o[j]["comment_ID"].ToString())
+                            {
+                                var parent_id = o[j]["comment_parent"].ToString();
+                                if (parent_id == "0") break;
+                                va[i].rid = parent_id;
+                            }
+                        }
+                    }
+                    Console.WriteLine(string.Format("[Info] Email: {0}, NickName: {1}, Comment: {2}", va[i].mail, va[i].nick, va[i].comment));
+                }
+                FileWriter.SaveComment(path, va);
+                return true;
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                return false;
+            }
+        }
+    }
+}

I18n/I18n.cs

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+using System;
+using System.Globalization;
+using System.Resources;
+
+namespace WordPress2Valine.Common
+{
+    public static class I18n
+    {
+        public static CultureInfo GetLanguageResource()
+        {
+            switch (CultureInfo.CurrentCulture.Name)
+            {
+                case "zh-CN":
+                    return new CultureInfo("zh-CN");
+                default:
+                    return new CultureInfo("en-US");
+            }
+        }
+    }
+}

I18n/en_US/message.po

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+msgid ""
+msgstr ""
+"Project-Id-Version: WordPress2Valine\n"
+"POT-Creation-Date: 2023-05-23 14:29+0800\n"
+"PO-Revision-Date: 2023-05-23 14:38+0800\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"Language: en_US\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 3.3.1\n"
+"X-Poedit-Basepath: ..\n"
+"X-Poedit-KeywordsList: GetDic\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+"X-Poedit-SearchPath-0: .\n"
+
+#: Program.cs:18
+msgid "打开WordPress评论数据(.json)"
+msgstr "Open WordPress comment file (.json)"
+
+#: Program.cs:23
+msgid "输入要替换的文章/页面id"
+msgstr "Please enter the article/page id you want to replace."
+
+#: Program.cs:24
+msgid "例如 42,friend (不要添加\"/\")"
+msgstr "Example: 42,friend (Don't add \"/\")"
+
+#: Program.cs:25
+msgid "输入 end 结束"
+msgstr "You can type \"end\" to end it."
+
+#: Program.cs:28
+msgid "替换："
+msgstr "The value to replace: "
+
+#: Program.cs:34
+#, csharp-format
+msgid "已替换 {0}"
+msgstr "Replaced {0}"
+
+#: Program.cs:41
+msgid "转换完成"
+msgstr "Completed."
+
+#: Program.cs:46
+msgid "转换失败"
+msgstr "Failed to convert."
+
+#: Program.cs:48
+msgid "请按任意键退出..."
+msgstr "Please press any key to exit..."

Program.cs

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+using System;
+using WordPress2Valine.Common;
+using GetText;
+
+namespace WordPress2Valine
+{
+    class Program
+    {
+        public static readonly string savePath = Environment.CurrentDirectory + "\\Comment";
+
+        [STAThread]
+        static void Main(string[] args)
+        {
+            var localization = new Catalog("message", "./I18n", I18n.GetLanguageResource());
+            try
+            {
+                Console.WriteLine(localization.GetString("打开WordPress评论数据(.json)"));
+                string wordpressComments = FileReader.ReadFileFromDialog();
+                var content = FileReader.ReadJson(wordpressComments);
+                UrlDictionary.AutoAddDic(content);
+                UrlDictionary.GetAllDic();
+                Console.Write(localization.GetString("输入要替换的文章/页面id") + "\n"
+                                + localization.GetString("例如 42,friend (不要添加\"/\")") + "\n"
+                                + localization.GetString("输入 end 结束")+ "\n\n");
+                while (true)
+                {
+                    Console.Write(localization.GetString("替换："));
+                    string value = Console.ReadLine();
+                    if (value == "end") break;
+                    else if (value.IndexOf(',') == -1) continue;
+                    string[] vs = value.Split(',');
+                    UrlDictionary.AddDic(vs[0], vs[1]);
+                }
+                var result = WordPressToValine.Convert(content, savePath);
+                if (result)
+                {
+                    Console.ForegroundColor = ConsoleColor.White;
+                    Console.WriteLine(localization.GetString("转换完成"));
+                }
+                else
+                {
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine(localization.GetString("转换失败"));
+                }
+                Console.WriteLine(localization.GetString("请按任意键退出..."));
+                Console.ReadKey(true);
+            } 
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+                Console.WriteLine(localization.GetString("请按任意键退出..."));
+                Console.ReadKey(true);
+            }
+        }
+    }
+}

README.md

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+# WordPress2Valine
+
+[简体中文](https://github.com/BluesDawn576/WordPress2Valine/blob/main/README_CN.md) | English
+
+This is NOT a WordPress plugin.
+
+## How to use
+
+### Export the `wp_comments` table as `json` using phpmyadmin or other software
+
+⚠️ATTENTION: Each post or page in WordPress has a unique internal identifier.
+
+If the original page identifier is different from the current page, the comments on that page will not be displayed.  
+Please replace the changed identifier manually.
+
+> Suppose the permalink has been set to `/?p=%post_id%`  
+> https://example.com/?p=42 => https//example.com/friend/
+
+```
+Example:
+WordPress = 42 => Valine = /42/
+```
+```
+The value to replace: 42,friend
+```
+```
+WordPress = 42 => Valine = /friend/
+```
+
+### Import comments (LeanCloud)
+
+
+Data Storage - Import/export - Import
+
+![leancloud_en.png](https://s2.loli.net/2023/05/23/jazWBcxs53ZlFir.png)