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- 增加 内部方法 DisplayCsharp，统一 LazyLoading 动态代码类名

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28810
2020-03-21 19:19:53 +08:00
parent 386354db16
commit ec7dec161a
4 changed files with 65 additions and 20 deletions
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53
FreeSql/Extensions/FreeSqlGlobalExtensions.cs
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@ -16,7 +16,7 @@ using System.Threading;
public static partial class FreeSqlGlobalExtensions
{
static Lazy<Dictionary<Type, bool>> dicIsNumberType = new Lazy<Dictionary<Type, bool>>(() => new Dictionary<Type, bool>
static Lazy<Dictionary<Type, bool>> _dicIsNumberType = new Lazy<Dictionary<Type, bool>>(() => new Dictionary<Type, bool>
{
[typeof(sbyte)] = true,
[typeof(sbyte?)] = true,
@ -41,13 +41,60 @@ public static partial class FreeSqlGlobalExtensions
[typeof(decimal)] = false,
[typeof(decimal?)] = false
});
public static bool IsIntegerType(this Type that) => that == null ? false : (dicIsNumberType.Value.TryGetValue(that, out var tryval) ? tryval : false);
public static bool IsNumberType(this Type that) => that == null ? false : dicIsNumberType.Value.ContainsKey(that);
public static bool IsIntegerType(this Type that) => that == null ? false : (_dicIsNumberType.Value.TryGetValue(that, out var tryval) ? tryval : false);
public static bool IsNumberType(this Type that) => that == null ? false : _dicIsNumberType.Value.ContainsKey(that);
public static bool IsNullableType(this Type that) => that.IsArray == false && that?.FullName.StartsWith("System.Nullable`1[") == true;
public static bool IsAnonymousType(this Type that) => that?.FullName.StartsWith("<>f__AnonymousType") == true;
public static bool IsArrayOrList(this Type that) => that == null ? false : (that.IsArray || typeof(IList).IsAssignableFrom(that));
public static Type NullableTypeOrThis(this Type that) => that?.IsNullableType() == true ? that.GetGenericArguments().First() : that;
internal static string NotNullAndConcat(this string that, params object[] args) => string.IsNullOrEmpty(that) ? null : string.Concat(new object[] { that }.Concat(args));
/// <summary>
/// 获取 Type 的原始 c# 文本表示
/// </summary>
/// <param name="that"></param>
/// <returns></returns>
public static string DisplayCsharp(this Type that)
{
return DisplayCsharp(that, true);
}
static string DisplayCsharp(this Type that, bool isNameSpace)
{
if (that == typeof(void)) return "void";
if (that.IsGenericParameter) return that.Name;
var sb = new StringBuilder();
var nestedType = that;
while (nestedType.IsNested)
{
sb.Insert(0, ".").Insert(0, DisplayCsharp(nestedType.DeclaringType, false));
nestedType = nestedType.DeclaringType;
}
if (isNameSpace && string.IsNullOrEmpty(nestedType.Namespace) == false)
sb.Insert(0, ".").Insert(0, nestedType.Namespace);
if (that.IsGenericType == false)
return sb.Append(that.Name).ToString();
var genericParameters = that.GetGenericArguments();
if (that.IsNested && that.DeclaringType.IsGenericType)
{
var dic = genericParameters.ToDictionary(a => a.Name);
foreach (var nestedGenericParameter in that.DeclaringType.GetGenericArguments())
if (dic.ContainsKey(nestedGenericParameter.Name))
dic.Remove(nestedGenericParameter.Name);
genericParameters = dic.Values.ToArray();
}
if (genericParameters.Any() == false)
return sb.Append(that.Name).ToString();
sb.Append(that.Name.Remove(that.Name.IndexOf('`'))).Append("<");
var genericTypeIndex = 0;
foreach (var genericType in genericParameters)
{
if (genericTypeIndex++ > 0) sb.Append(", ");
sb.Append(DisplayCsharp(genericType, true));
}
return sb.Append(">").ToString();
}
public static object CreateInstanceGetDefaultValue(this Type that)
{
if (that == null) return null;