C# Newtonsoft.Json 读取文件，返回json字符串

第一种方法：

public object getData2() { string content; using (StreamReader sr = new StreamReader(Server.MapPath("/Content/test.json"))) { content = sr.ReadToEnd(); } JsonSerializerSettings jSetting = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore, DateFormatString = "yyyy-MM-dd HH:m:ss" }; var jsonObject = JsonConvert.DeserializeObject<dynamic>(content, jSetting); Response.ContentType = "application/json"; return jsonObject; }

第二种方法：

public string getData() { string content; using (StreamReader sr = new StreamReader(Server.MapPath("/Content/test.json"))) { content = sr.ReadToEnd().Replace("\r", string.Empty).Replace("\n", string.Empty).Replace("\t", string.Empty); } return content; }

第三种方法：直接返回json文件，设置返回类型ContentType为“application/json"：

public FilePathResult getData3() { return new FilePathResult("~/Content/test.json", "application/json"); }

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原文地址：https://www.cnblogs.com/AlexanderZhao/p/11529950.html