添加项目文件。

2026-02-05 00:49:49 +08:00 · 2021-12-20 21:27:32 +08:00
parent 747486f5cb
commit 82d825b7a5
3514 changed files with 887941 additions and 0 deletions
--- a/CoreCms.Net.Utility/Helper/JsonFileHelper.cs
+++ b/CoreCms.Net.Utility/Helper/JsonFileHelper.cs
@@ -0,0 +1,155 @@
+/***********************************************************************
+ *            Project: CoreCms.Net                                     *
+ *                Web: https://CoreCms.Net                             *
+ *        ProjectName: 核心内容管理系统                                *
+ *             Author: 大灰灰                                          *
+ *              Email: JianWeie@163.com                                *
+ *         CreateTime: 2020-03-02 23:15:19
+ *        Description: 暂无
+ ***********************************************************************/
+
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration.Json;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace CoreCms.Net.Utility.Helper
+{
+    /// <summary>
+    /// Json文件读写
+    /// 引用Newtonsoft.Json
+    /// </summary>
+    public class JsonFileHelper
+    {
+        //注意：section为根节点
+        private readonly string _path;
+        private IConfiguration Configuration { get; set; }
+        public JsonFileHelper(string jsonName)
+        {
+            _path = !jsonName.EndsWith(".json") ? $"{jsonName}.json" : jsonName;
+            //ReloadOnChange = true 当*.json文件被修改时重新加载            
+            Configuration = new ConfigurationBuilder()
+            .Add(new JsonConfigurationSource { Path = _path, ReloadOnChange = true, Optional = true })
+            .Build();
+        }
+
+        /// <summary>
+        /// 读取Json返回实体对象
+        /// </summary>
+        /// <returns></returns>
+        public T Read<T>() => Read<T>("");
+
+        /// <summary>
+        /// 根据节点读取Json返回实体对象
+        /// </summary>
+        /// <returns></returns>
+        public T Read<T>(string section)
+        {
+            using var file = new StreamReader(_path);
+            using var reader = new JsonTextReader(file);
+            var jObj = (JObject)JToken.ReadFrom(reader);
+            if (!string.IsNullOrWhiteSpace(section))
+            {
+                var secJt = jObj[section];
+                if (secJt != null)
+                {
+                    return JsonConvert.DeserializeObject<T>(secJt.ToString());
+                }
+            }
+            else
+            {
+                return JsonConvert.DeserializeObject<T>(jObj.ToString());
+            }
+
+            return default;
+        }
+
+        /// <summary>
+        /// 读取Json返回集合
+        /// </summary>
+        /// <returns></returns>
+        public List<T> ReadList<T>() => ReadList<T>("");
+
+        /// <summary>
+        /// 根据节点读取Json返回集合
+        /// </summary>
+        /// <returns></returns>
+        public List<T> ReadList<T>(string section)
+        {
+            using var file = new StreamReader(_path);
+            using var reader = new JsonTextReader(file);
+            var jObj = (JObject)JToken.ReadFrom(reader);
+            if (!string.IsNullOrWhiteSpace(section))
+            {
+                var secJt = jObj[section];
+                if (secJt != null)
+                {
+                    return JsonConvert.DeserializeObject<List<T>>(secJt.ToString());
+                }
+            }
+            else
+            {
+                return JsonConvert.DeserializeObject<List<T>>(jObj.ToString());
+            }
+
+            return default;
+        }
+
+        /// <summary>
+        /// 写入文件
+        /// </summary>
+        /// <typeparam name="T">自定义对象</typeparam>
+        /// <param name="t"></param>
+        public void Write<T>(T t) => Write("", t);
+
+        /// <summary>
+        /// 写入指定section文件
+        /// </summary>
+        /// <typeparam name="T">自定义对象</typeparam>
+        /// <param name="t"></param>
+        public void Write<T>(string section, T t)
+        {
+            JObject jObj;
+            using (StreamReader file = new StreamReader(_path))
+            using (JsonTextReader reader = new JsonTextReader(file))
+            {
+                jObj = (JObject)JToken.ReadFrom(reader);
+                var json = JsonConvert.SerializeObject(t);
+                if (string.IsNullOrWhiteSpace(section))
+                    jObj = JObject.Parse(json);
+                else
+                    jObj[section] = JObject.Parse(json);
+            }
+
+            using var writer = new StreamWriter(_path);
+            using var jsonWriter = new JsonTextWriter(writer);
+            jObj.WriteTo(jsonWriter);
+        }
+
+        /// <summary>
+        /// 删除指定section节点
+        /// </summary>
+        /// <param name="section"></param>
+        /// <exception cref="Exception"></exception>
+        public void Remove(string section)
+        {
+            JObject jObj;
+            using (StreamReader file = new StreamReader(_path))
+            using (JsonTextReader reader = new JsonTextReader(file))
+            {
+                jObj = (JObject)JToken.ReadFrom(reader);
+                jObj.Remove(section);
+            }
+
+            using (var writer = new StreamWriter(_path))
+            using (var jsonWriter = new JsonTextWriter(writer))
+            {
+                jObj.WriteTo(jsonWriter);
+            }
+        }
+    }
+}