C#类型转换2

namespace WDBuyNET.DMSFrame.Utils.Helpers { public static class TypeHelper { public static object ChangeType(Type targetType, object val) { object result; if (val == null) { result = null; } else { if (targetType.IsAssignableFrom(val.GetType())) { result = val; } else { if (targetType == val.GetType()) { result = val; } else { if (targetType == typeof(bool)) { if (val.ToString() == "0") { result = false; return result; } if (val.ToString() == "1") { result = true; return result; } } if (targetType.IsEnum) { int num = 0; result = (int.TryParse(val.ToString(), out num) ? val : Enum.Parse(targetType, val.ToString())); } else { result = ((!(targetType == typeof(Type))) ? ((!(targetType == typeof(IComparable))) ? Convert.ChangeType(val, targetType) : val) : ReflectionHelper.GetType(val.ToString())); } } } } return result; } public static string GetClassSimpleName(Type t) { string[] array = t.ToString().Split(new char[] { '.' }); return array[array.Length - 1].ToString(); } public static object GetDefaultValue(Type destType) { return (!TypeHelper.IsNumbericType(destType)) ? ((!(destType == typeof(string))) ? ((!(destType == typeof(bool))) ? ((!(destType == typeof(DateTime))) ? ((!(destType == typeof(Guid))) ? ((!(destType == typeof(TimeSpan))) ? null : TimeSpan.Zero) : Guid.NewGuid()) : DateTime.Now) : false) : "") : 0; } public static string GetDefaultValueString(Type destType) { return (!TypeHelper.IsNumbericType(destType)) ? ((!(destType == typeof(string))) ? ((!(destType == typeof(bool))) ? ((!(destType == typeof(DateTime))) ? ((!(destType == typeof(Guid))) ? ((!(destType == typeof(TimeSpan))) ? "null" : "System.TimeSpan.Zero") : "System.Guid.NewGuid()") : "DateTime.Now") : "false") : "\"\"") : "0"; } public static Type GetTypeByRegularName(string regularName) { return ReflectionHelper.GetType(regularName); } public static string GetTypeRegularName(Type destType) { string arg1 = destType.Assembly.FullName.Split(new char[] { ',' })[0]; return string.Format("{0},{1}", destType.ToString(), arg1); } public static string GetTypeRegularNameOf(object obj) { return TypeHelper.GetTypeRegularName(obj.GetType()); } public static bool IsFixLength(Type destDataType) { bool arg_46_0; if (!TypeHelper.IsNumbericType(destDataType)) { if (!(destDataType == typeof(byte[]))) { arg_46_0 = (destDataType == typeof(DateTime) || destDataType == typeof(bool)); } else { arg_46_0 = true; } } else { arg_46_0 = true; } return arg_46_0; } public static bool IsIntegerCompatibleType(Type destDataType) { bool arg_92_0; if (!(destDataType == typeof(int)) && !(destDataType == typeof(uint)) && !(destDataType == typeof(short)) && !(destDataType == typeof(ushort)) && !(destDataType == typeof(long)) && !(destDataType == typeof(ulong)) && !(destDataType == typeof(byte))) { arg_92_0 = (destDataType == typeof(sbyte)); } else { arg_92_0 = true; } return arg_92_0; } public static bool IsNumbericType(Type destDataType) { bool arg_D1_0; if (!(destDataType == typeof(int)) && !(destDataType == typeof(uint)) && !(destDataType == typeof(double)) && !(destDataType == typeof(short)) && !(destDataType == typeof(ushort)) && !(destDataType == typeof(decimal)) && !(destDataType == typeof(long)) && !(destDataType == typeof(ulong)) && !(destDataType == typeof(float)) && !(destDataType == typeof(byte))) { arg_D1_0 = (destDataType == typeof(sbyte)); } else { arg_D1_0 = true; } return arg_D1_0; } public static bool IsSimpleType(Type t) { bool arg_7B_0; if (!TypeHelper.IsNumbericType(t)) { if (!(t == typeof(char))) { if (!(t == typeof(string))) { if (!(t == typeof(bool))) { if (!(t == typeof(DateTime))) { arg_7B_0 = (t == typeof(Type) || t.IsEnum); } else { arg_7B_0 = true; } } else { arg_7B_0 = true; } } else { arg_7B_0 = true; } } else { arg_7B_0 = true; } } else { arg_7B_0 = true; } return arg_7B_0; } } }

转载于:https://www.cnblogs.com/hongjiumu/archive/2012/09/15/2686619.html