增加下载微信公众号文章功能

2023-01-11 15:25:18 +08:00
parent ac3999951d
commit 57129b3861
732 changed files with 23827 additions and 1 deletions
--- a/20220330_Vote/Vote.Services/ApiController/WxService.cs
+++ b/20220330_Vote/Vote.Services/ApiController/WxService.cs
@@ -0,0 +1,87 @@
+using Aspose.Words;
+using Furion.DynamicApiController;
+using HtmlAgilityPack;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Vote.Services.Entities;
+using Vote.Services.Tools;
+
+namespace Vote.Services.ApiController
+{
+    /// <summary>
+    /// 微信
+    /// </summary>
+    [ApiDescriptionSettings("Vote", Order = 0)]
+    [Route("/wx")]
+    public class WxService : IDynamicApiController
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public async Task<Article> GetArticle(string url)
+        {
+            if (!string.IsNullOrWhiteSpace(url))
+            {
+                var html = Tools.HtmlHelper.GetHtmlSource2(url);// "https://mp.weixin.qq.com/s/9O8RYvm3nCZfc06yXggfPQ"); 
+                var htmlDoc = new HtmlDocument();
+                htmlDoc.LoadHtml(html);
+                var article = new Article();
+                var allContent = htmlDoc.DocumentNode.SelectSingleNode("//div[@class='rich_media_wrp']");
+                if (allContent != null)
+                {
+                    //var postitemsNodes = allContent.SelectNodes("//div");
+                    article.Title = allContent.SelectSingleNode("//h1[@id='activity-name']").InnerText.Replace(" ", "").Replace("\n", "");
+                    //ViewBag.Detail = article.Detail = Vote.Services.Tools.HtmlHelper.CleanHtml(allContent.SelectSingleNode("//div[@id='js_content']").InnerHtml);
+                    var contents = allContent.SelectSingleNode("//div[@id='js_content']");
+                    var sections = contents.SelectNodes("//section");
+                    if (sections != null)
+                    {
+                        foreach (HtmlNode item in sections)
+                        {
+                            item.Name = "p";//data-src
+                        }
+                    }
+                    var imgs = contents.SelectNodes("//img");
+                    foreach (HtmlNode img in imgs)
+                    {
+                        var src = img.Attributes["src"];
+                        var datasrc = img.Attributes["data-src"];
+                        if (src == null || string.IsNullOrWhiteSpace(src.Value))
+                        {
+                            if (datasrc != null && !string.IsNullOrWhiteSpace(datasrc.Value))
+                            {
+                                img.SetAttributeValue("src", "data:image/jpeg;base64," + Tools.HtmlHelper.HttpRequestGetImageBase64(datasrc.Value));
+                                //src.Value = datasrc.Value;
+                                datasrc.Remove();
+                                //img.SetAttributeValue("style", "width:100%;");
+                            }
+                        }
+                    }
+                    article.Detail = allContent.SelectSingleNode("//div[@id='js_content']").InnerHtml;
+                }
+                else
+                    article.Detail = htmlDoc.DocumentNode.InnerHtml;
+                return article;
+            }
+            return null;
+        }
+        public async Task<string> SaveDoc(string title, string html)
+        {
+            Aspose.Words.Document doc = new Aspose.Words.Document();
+            DocumentBuilder build = new(doc);
+            Aspose.Words.Font font = build.Font;
+            font.Name = "宋体";
+            build.InsertHtml(html);
+            var path = Path.Combine(Environment.CurrentDirectory, title + ".docx");
+            doc.Save(path, SaveFormat.Docx);
+            return path;
+        }
+    }
+}