1

gx_api/GxPress/Api/GxPress.Api/WebControllers/WebMediaController.cs

@@ -103,7 +103,7 @@ namespace GxPress.Api.WebControllers
         public async Task<IActionResult> Video(VideoMediaFileStreamRequest request)
         {
             //获取文件
-           // var mediaLibrary = await mediaLibraryRepository.GetAsync(request.MediaLibraryId);
+            // var mediaLibrary = await mediaLibraryRepository.GetAsync(request.MediaLibraryId);
             var filepath = "wwwroot" + "/cache/20200529/456789.mp4";
             //获取文件流
             var stream = System.IO.File.OpenRead(filepath);
@@ -187,6 +187,12 @@ namespace GxPress.Api.WebControllers
                 throw new Common.Exceptions.BusinessException(e.Message);
             }
         }
-
+        [HttpGet("html")]
+        [AllowAnonymous]
+        public string GetHtmlUrl()
+        {
+            var str = @"wwwroot/123456.txt";
+            return Common.Tools.HtmlAgilityPackHelper.GetHmtlContent(str);
+        }
     }
 }

gx_api/GxPress/Infrastructure/GxPress.Common/GxPress.Common.csproj

@@ -20,6 +20,7 @@
     <PackageReference Include="Alipay.AopSdk.Core" Version="2.5.0.1" />
     <PackageReference Include="VersOne.Epub" Version="3.0.3.1" />
     <PackageReference Include="Snowflake.Core" Version="2.0.0" />
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.24" />
   </ItemGroup>
 
 </Project>

gx_api/GxPress/Infrastructure/GxPress.Common/Tools/HtmlAgilityPackHelper.cs

@@ -0,0 +1,52 @@
+using HtmlAgilityPack;
+
+namespace GxPress.Common.Tools
+{
+    public static class HtmlAgilityPackHelper
+    {
+        /// <summary>
+        /// 完整
+        /// </summary>
+        /// <param name="html"></param>
+        /// <returns></returns>
+        public static string GetHmtl(string html)
+        {
+            var document = new HtmlDocument();
+            document.LoadHtml(html);
+            var node = document.DocumentNode.SelectNodes("//body/p");
+            var tittle = document.DocumentNode.SelectNodes("//title");
+            var pContent = $"<h2>{tittle[0].InnerText}</h2>";
+            foreach (var item in node)
+            {
+                if (string.IsNullOrWhiteSpace(item.InnerHtml))
+                    continue;
+                pContent += item.OuterHtml;
+            }
+            return pContent;
+        }
+        /// <summary>
+        /// 一部分
+        /// </summary>
+        /// <param name="html"></param>
+        /// <returns></returns>
+        public static string GetHmtlContent(string html)
+        {
+            var pContent = string.Empty;
+            var document = new HtmlDocument();
+            document.LoadHtml(html);
+            var node = document.DocumentNode.SelectNodes("//body/p");
+            var tittle = document.DocumentNode.SelectNodes("//title");
+            pContent = $"<h2>{tittle[0].InnerText}</h2>";
+            foreach (var item in node)
+            {
+                if (pContent.Length > 100)
+                    break;
+                if (string.IsNullOrWhiteSpace(item.InnerHtml))
+                    continue;
+                //pContent += item.InnerHtml.ToString()
+                pContent += item.OuterHtml;
+            }
+            return pContent;
+        }
+    }
+}

gx_api/GxPress/Service/GxPress.Service.Implement/Epub/EpubService.cs

@@ -7,6 +7,7 @@ using GxPress.Repository.Interface.Media;
 using VersOne.Epub;
 using System;
 using System.Threading.Tasks;
+using GxPress.Common.Tools;
 
 namespace GxPress.Service.Implement.Epub
 {
@@ -72,11 +73,14 @@ namespace GxPress.Service.Implement.Epub
             foreach (EpubTextContentFile textContentFile in epubBook.ReadingOrder)
             {
                 if (i >= sectionValue && sectionValue > 0)
-                    return "";
+                {
+                    htmlContent = HtmlAgilityPackHelper.GetHmtlContent(textContentFile.Content);
+                    break;
+                }
                 if (textContentFile.FileName.Equals(request.CatalogId) || textContentFile.FileName.Equals(request.CatalogNameg))
                 {
                     //当前文本内容文件的HTML
-                    htmlContent = textContentFile.Content;
+                    htmlContent = HtmlAgilityPackHelper.GetHmtl(textContentFile.Content);
                     break;
                 }
                 i++;