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  • 使用Newtonsoft.Json将数据导出至Json文件

    导出方法:

            /// <summary>
            /// 导出文件
            /// </summary>
            public void Export(List<Dict> dicts, string filepath)
            {
                File.WriteAllText(filepath, JsonConvert.SerializeObject(dicts, Formatting.Indented));
            }

    调用:

                var coll = Mongodb.XXX.GetCollection<Dict>("dict");
                string[] arr = new string[] { "major", "industry", "post_type" };           //专业、行业、职位类别
    
                var data = await coll.Find(d => arr.Contains(d.dict_type)).ToListAsync().ConfigureAwait(false);
    
                //创建文件夹
                string path = "D:\jsonfile";
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);
                }
    
                try
                {
                    Export(data.Where(d => d.dict_type == arr[0]).ToList(), $"{path}\{arr[0]}.json");
                    Export(data.Where(d => d.dict_type == arr[1]).ToList(), $"{path}\{arr[1]}.json");
                    Export(data.Where(d => d.dict_type == arr[2]).ToList(), $"{path}\{arr[2]}.json");
                }
                catch(Exception e)
                {
                    Console.WriteLine($"{e.Message}:{e.ToString()}");
                }
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  • 原文地址:https://www.cnblogs.com/zhangchaoran/p/12010123.html
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