53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
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using System.IO;
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using System.Text;
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using System.Text.Json;
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namespace WebApplication1.Data.Helpers
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{
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public class JsonFileHelper
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{
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/// <summary>
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/// 序列化选项
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/// </summary>
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private static readonly JsonSerializerOptions serializerOptions = new() { WriteIndented = true }; // 序列化选项
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/// <summary>
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/// 将数据存为Json字符串文件
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/// </summary>
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/// <param name="path">路径</param>
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/// <param name="fileName">文件名</param>
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/// <param name="data">数据</param>
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public static void Save<T>(string path, string fileName, T data)
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{
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if (!Directory.Exists(path)) Directory.CreateDirectory(path);
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var fullPath = Path.Combine(path, fileName.EndsWith(".json") ? fileName : $"{fileName}.json");
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string json = JsonSerializer.Serialize(data ?? default, serializerOptions);
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File.WriteAllText(fullPath, json, Encoding.UTF8);
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}
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/// <summary>
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/// 读取Json文件，返回指定类型的数据
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/// </summary>
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/// <typeparam name="T">返回的数据类型</typeparam>
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/// <param name="path">路径</param>
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/// <param name="fileName">文件名</param>
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/// <returns>返回的数据</returns>
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public static T Read<T>(string path, string fileName)
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{
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var fullPath = Path.Combine(path, fileName.EndsWith(".json") ? fileName : $"{fileName}.json");
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T data = default;
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if (File.Exists(fullPath))
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{
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var jsonString = File.ReadAllText(fullPath, Encoding.UTF8);
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if (!string.IsNullOrEmpty(jsonString)) data = JsonSerializer.Deserialize<T>(jsonString);
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}
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return data;
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}
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}
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}
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