JavaScriptSerializer序列化成Json时DateTime类型数据的处理
JavaScriptSerializer在序列化时会将DateTime的数据序列化成类似\/Date(626543800000)\/这样的值，找了很多方法都不如意，最后在一个博客找到了完美的解决方法，地址：http://blog.calyptus.eu/seb/2011/12/custom-datetime-json-serialization/，通过自定义类型转换器的方式转换成想要的格式，转换器代码如下：
| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114 | public class DateTimeConverter : JavaScriptConverter{ public override object Deserialize(IDictionary<string,object> dictionary, Type type, JavaScriptSerializer serializer) { return new JavaScriptSerializer().ConvertToType(dictionary, type); } public override IDictionary<string,object> Serialize(object obj, JavaScriptSerializer serializer) { if (!(objis DateTime))return null; return new CustomString(((DateTime)obj).ToString("yyyy-MM-dd")); } public override IEnumerable<Type> SupportedTypes { get {return new[] { typeof(DateTime) }; } } private class CustomString : Uri, IDictionary<string,object> { public CustomString(string str) :base(str, UriKind.Relative) { } void IDictionary<string,object>.Add(string key,object value) { throw new NotImplementedException(); } bool IDictionary<string,object>.ContainsKey(string key) { throw new NotImplementedException(); } ICollection<string> IDictionary<string,object>.Keys { get {throw new NotImplementedException(); } } bool IDictionary<string,object>.Remove(string key) { throw new NotImplementedException(); } bool IDictionary<string,object>.TryGetValue(string key,out object value) { throw new NotImplementedException(); } ICollection<object> IDictionary<string,object>.Values { get {throw new NotImplementedException(); } } object IDictionary<string,object>.this[string key] { get { throw new NotImplementedException(); } set { throw new NotImplementedException(); } } void ICollection<KeyValuePair<string,object>>.Add(KeyValuePair<string,object> item) { throw new NotImplementedException(); } void ICollection<KeyValuePair<string,object>>.Clear() { throw new NotImplementedException(); } bool ICollection<KeyValuePair<string,object>>.Contains(KeyValuePair<string,object> item) { throw new NotImplementedException(); } void ICollection<KeyValuePair<string,object>>.CopyTo(KeyValuePair<string,object>[] array, int arrayIndex) { throw new NotImplementedException(); } int ICollection<KeyValuePair<string,object>>.Count { get {throw new NotImplementedException(); } } bool ICollection<KeyValuePair<string,object>>.IsReadOnly { get {throw new NotImplementedException(); } } bool ICollection<KeyValuePair<string,object>>.Remove(KeyValuePair<string,object> item) { throw new NotImplementedException(); } IEnumerator<KeyValuePair<string,object>> IEnumerable<KeyValuePair<string,object>>.GetEnumerator() { throw new NotImplementedException(); } IEnumerator IEnumerable.GetEnumerator() { throw new NotImplementedException(); } }} |
然后注册一下就行了：
| 12 | public JavaScriptSerializer serializer = new JavaScriptSerializer();serializer.RegisterConverters(new JavaScriptConverter[] { new DateTimeConverter() }); |
这样使用serializer序列化的对象中包含DateTime类型的值就会被转化成yyyy-MM-dd格式的字符串
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