前言:Json对日期的处理很特别,我们不能简单的转换而得到我们想要的结果,需要进行特殊处理
一、JSon序列化和反序列化对日期的处理
JsonHelper类:
using System.IO; using System.Linq; using System.Runtime.Serialization.Json; using System.Text; using System.Text.RegularExpressions; using System.Web; namespace MVCEFDbFirstTutotrials.Common { public class JsonHelper { public static void Test() { Product product = new Product() { Name = "11", Description = "11", Price = 12, Color = "color", PublishOn = DateTime.Now }; string jsonString = JsonSerializer<Product>(product); Product product1 = JsonDeserialize<Product>(jsonString); } /// <summary> /// JSON序列化 /// </summary> public static string JsonSerializer<T>(T t) { DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); MemoryStream ms = new MemoryStream(); ser.WriteObject(ms, t); string jsonString = Encoding.UTF8.GetString(ms.ToArray()); ms.Close(); //替换Json的Date字符串 string p = @"Date/((/d+)/+/d+/)///"; MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString); Regex reg = new Regex(p); jsonString = reg.Replace(jsonString, matchEvaluator); return jsonString; } /// <summary> /// JSON反序列化 /// </summary> public static T JsonDeserialize<T>(string jsonString) { //将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"//Date(1294499956278+0800)//"格式 string p = @"d{4}-d{2}-d{2}sd{2}:d{2}:d{2}"; MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate); Regex reg = new Regex(p); jsonString = reg.Replace(jsonString, matchEvaluator); DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T)); MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)); T obj = (T)ser.ReadObject(ms); return obj; } /// <summary> /// 将Json序列化的时间由/Date(1294499956278+0800)转为yyyy-MM-dd HH:mm:ss字符串 /// </summary> private static string ConvertJsonDateToDateString(Match m) { string result = string.Empty; DateTime dt = new DateTime(1970, 1, 1); dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value)); dt = dt.ToLocalTime(); result = dt.ToString("yyyy-MM-dd HH:mm:ss"); return result; } /// <summary> /// 将时间字符串转为Json时间 /// </summary> private static string ConvertDateStringToJsonDate(Match m) { string result = string.Empty; DateTime dt = DateTime.Parse(m.Groups[0].Value); dt = dt.ToUniversalTime(); TimeSpan ts = dt - DateTime.Parse("1970-01-01"); result = string.Format("\/Date({0}+0800)\/", ts.TotalMilliseconds); return result; } } }
二、前台对返回的/Date(1294499956278+0800) /日期格式进行处理:
function ChangeDateFormat(jsondate) { jsondate = jsondate.replace("/Date(", "").replace(")/", ""); if (jsondate.indexOf("+") > 0) { jsondate = jsondate.substring(0, jsondate.indexOf("+")); } else if (jsondate.indexOf("-") > 0) { jsondate = jsondate.substring(0, jsondate.indexOf("-")); } var date = new Date(parseInt(jsondate, 10)); var month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1; var currentDate = date.getDate() < 10 ? "0" + date.getDate() : date.getDate(); return date.getFullYear() + "-" + month + "-" + currentDate; }
简单Demo: ChangeDateFormat("/Date(1294499956278+0800)/");
结果: 2011-1-8