SqlSugar源码
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
namespace SqlSugar.GBase
{
public class UtilMethods
{
internal static DateTime GetMinDate(ConnectionConfig currentConnectionConfig)
{
if (currentConnectionConfig.MoreSettings == null)
{
return Convert.ToDateTime("1900-01-01");
}
else if (currentConnectionConfig.MoreSettings.DbMinDate == null)
{
return Convert.ToDateTime("1900-01-01");
}
else
{
return currentConnectionConfig.MoreSettings.DbMinDate.Value;
}
}
internal static DateTime ConvertFromDateTimeOffset(DateTimeOffset dateTime)
{
if (dateTime.Offset.Equals(TimeSpan.Zero))
return dateTime.UtcDateTime;
else if (dateTime.Offset.Equals(TimeZoneInfo.Local.GetUtcOffset(dateTime.DateTime)))
return DateTime.SpecifyKind(dateTime.DateTime, DateTimeKind.Local);
else
return dateTime.DateTime;
}
internal static object To(object value, Type destinationType)
{
return To(value, destinationType, CultureInfo.InvariantCulture);
}
internal static object To(object value, Type destinationType, CultureInfo culture)
{
if (value != null)
{
destinationType = UtilMethods.GetUnderType(destinationType);
var sourceType = value.GetType();
var destinationConverter = TypeDescriptor.GetConverter(destinationType);
if (destinationConverter != null && destinationConverter.CanConvertFrom(value.GetType()))
return destinationConverter.ConvertFrom(null, culture, value);
var sourceConverter = TypeDescriptor.GetConverter(sourceType);
if (sourceConverter != null && sourceConverter.CanConvertTo(destinationType))
return sourceConverter.ConvertTo(null, culture, value, destinationType);
if (destinationType.IsEnum && value is int)
return Enum.ToObject(destinationType, (int)value);
if (!destinationType.IsInstanceOfType(value))
return Convert.ChangeType(value, destinationType, culture);
}
return value;
}
public static bool IsAnyAsyncMethod(StackFrame[] methods)
{
bool isAsync = false;
foreach (var item in methods)
{
if (UtilMethods.IsAsyncMethod(item.GetMethod()))
{
isAsync = true;
break;
}
}
return isAsync;
}
public static bool IsAsyncMethod(MethodBase method)
{
if (method == null)
{
return false;
}
if (method.DeclaringType != null)
{
if (method.DeclaringType.GetInterfaces().Contains(typeof(IAsyncStateMachine)))
{
return true;
}
}
var name = method.Name;
if (name.Contains("OutputAsyncCausalityEvents"))
{
return true;
}
if (name.Contains("OutputWaitEtwEvents"))
{
return true;
}
if (name.Contains("ExecuteAsync"))
{
return true;
}
Type attType = typeof(AsyncStateMachineAttribute);
var attrib = (AsyncStateMachineAttribute)method.GetCustomAttribute(attType);
return (attrib != null);
}
public static StackTraceInfo GetStackTrace()
{
StackTrace st = new StackTrace(true);
StackTraceInfo info = new StackTraceInfo();
info.MyStackTraceList = new List<StackTraceInfoItem>();
info.SugarStackTraceList = new List<StackTraceInfoItem>();
for (int i = 0; i < st.FrameCount; i++)
{
var frame = st.GetFrame(i);
if (frame.GetMethod().Module.Name.ToLower() != "sqlsugar.dll" && frame.GetMethod().Name.First() != '<')
{
info.MyStackTraceList.Add(new StackTraceInfoItem()
{
FileName = frame.GetFileName(),
MethodName = frame.GetMethod().Name,
Line = frame.GetFileLineNumber()
});
}
else
{
info.SugarStackTraceList.Add(new StackTraceInfoItem()
{
FileName = frame.GetFileName(),
MethodName = frame.GetMethod().Name,
Line = frame.GetFileLineNumber()
});
}
}
return info;
}
internal static T To<T>(object value)
{
return (T)To(value, typeof(T));
}
internal static Type GetUnderType(Type oldType)
{
Type type = Nullable.GetUnderlyingType(oldType);
return type == null ? oldType : type;
}
public static string ReplaceSqlParameter(string itemSql, SugarParameter itemParameter, string newName)
{
itemSql = Regex.Replace(itemSql, string.Format(@"{0} ", "\\" + itemParameter.ParameterName), newName + " ", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"{0}\)", "\\" + itemParameter.ParameterName), newName + ")", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"{0}\,", "\\" + itemParameter.ParameterName), newName + ",", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"{0}$", "\\" + itemParameter.ParameterName), newName, RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"\+{0}\+", "\\" + itemParameter.ParameterName), "+" + newName + "+", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"\+{0} ", "\\" + itemParameter.ParameterName), "+" + newName + " ", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@" {0}\+", "\\" + itemParameter.ParameterName), " " + newName + "+", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"\|\|{0}\|\|", "\\" + itemParameter.ParameterName), "||" + newName + "||", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"\={0}\+", "\\" + itemParameter.ParameterName), "=" + newName + "+", RegexOptions.IgnoreCase);
itemSql = Regex.Replace(itemSql, string.Format(@"{0}\|\|", "\\" + itemParameter.ParameterName), newName + "||", RegexOptions.IgnoreCase);
return itemSql;
}
internal static Type GetRootBaseType(Type entityType)
{
var baseType = entityType.BaseType;
while (baseType != null && baseType.BaseType != UtilConstants.ObjType)
{
baseType = baseType.BaseType;
}
return baseType;
}
internal static Type GetUnderType(PropertyInfo propertyInfo, ref bool isNullable)
{
Type unType = Nullable.GetUnderlyingType(propertyInfo.PropertyType);
isNullable = unType != null;
unType = unType ?? propertyInfo.PropertyType;
return unType;
}
internal static Type GetUnderType(PropertyInfo propertyInfo)
{
Type unType = Nullable.GetUnderlyingType(propertyInfo.PropertyType);
unType = unType ?? propertyInfo.PropertyType;
return unType;
}
internal static bool IsNullable(PropertyInfo propertyInfo)
{
Type unType = Nullable.GetUnderlyingType(propertyInfo.PropertyType);
return unType != null;
}
internal static bool IsNullable(Type type)
{
Type unType = Nullable.GetUnderlyingType(type);
return unType != null;
}
//internal static T IsNullReturnNew<T>(T returnObj) where T : new()
//{
// if (returnObj.IsNullOrEmpty())
// {
// returnObj = new T();
// }
// return returnObj;
//}
public static object ChangeType2(object value, Type type)
{
if (value == null && type.IsGenericType) return Activator.CreateInstance(type);
if (value == null) return null;
if (type == value.GetType()) return value;
if (type.IsEnum)
{
if (value is string)
return Enum.Parse(type, value as string);
else
return Enum.ToObject(type, value);
}
if (!type.IsInterface && type.IsGenericType)
{
Type innerType = type.GetGenericArguments()[0];
object innerValue = ChangeType(value, innerType);
return Activator.CreateInstance(type, new object[] { innerValue });
}
if (value is string && type == typeof(Guid)) return new Guid(value as string);
if (value is string && type == typeof(Version)) return new Version(value as string);
if (!(value is IConvertible)) return value;
return Convert.ChangeType(value, type);
}
internal static T ChangeType<T>(T obj, Type type)
{
return (T)Convert.ChangeType(obj, type);
}
internal static T ChangeType<T>(T obj)
{
return (T)Convert.ChangeType(obj, typeof(T));
}
internal static DateTimeOffset GetDateTimeOffsetByDateTime(DateTime date)
{
date = DateTime.SpecifyKind(date, DateTimeKind.Utc);
DateTimeOffset utcTime2 = date;
return utcTime2;
}
//internal static void RepairReplicationParameters(ref string appendSql, SugarParameter[] parameters, int addIndex, string append = null)
//{
// if (appendSql.HasValue() && parameters.HasValue())
// {
// foreach (var parameter in parameters.OrderByDescending(it => it.ParameterName.Length))
// {
// //Compatible with.NET CORE parameters case
// var name = parameter.ParameterName;
// string newName = name + append + addIndex;
// appendSql = ReplaceSqlParameter(appendSql, parameter, newName);
// parameter.ParameterName = newName;
// }
// }
//}
internal static string GetPackTable(string sql, string shortName)
{
return string.Format(" ({0}) {1} ", sql, shortName);
}
public static Func<string, object> GetTypeConvert(object value)
{
if (value is int || value is uint || value is int? || value is uint?)
{
return x => Convert.ToInt32(x);
}
else if (value is short || value is ushort || value is short? || value is ushort?)
{
return x => Convert.ToInt16(x);
}
else if (value is long || value is long? || value is ulong? || value is long?)
{
return x => Convert.ToInt64(x);
}
else if (value is DateTime|| value is DateTime?)
{
return x => Convert.ToDateTime(x);
}
else if (value is bool||value is bool?)
{
return x => Convert.ToBoolean(x);
}
return null;
}
internal static string GetTypeName(object value)
{
if (value == null)
{
return null;
}
else
{
return value.GetType().Name;
}
}
internal static string GetParenthesesValue(string dbTypeName)
{
if (Regex.IsMatch(dbTypeName, @"\(.+\)"))
{
dbTypeName = Regex.Replace(dbTypeName, @"\(.+\)", "");
}
dbTypeName = dbTypeName.Trim();
return dbTypeName;
}
internal static T GetOldValue<T>(T value, Action action)
{
action();
return value;
}
internal static object DefaultForType(Type targetType)
{
return targetType.IsValueType ? Activator.CreateInstance(targetType) : null;
}
internal static Int64 GetLong(byte[] bytes)
{
return Convert.ToInt64(string.Join("", bytes).PadRight(20, '0'));
}
public static object GetPropertyValue<T>(T t, string PropertyName)
{
return t.GetType().GetProperty(PropertyName).GetValue(t, null);
}
internal static string GetMD5(string myString)
{
MD5 md5 = new MD5CryptoServiceProvider();
byte[] fromData = System.Text.Encoding.Unicode.GetBytes(myString);
byte[] targetData = md5.ComputeHash(fromData);
string byte2String = null;
for (int i = 0; i < targetData.Length; i++)
{
byte2String += targetData[i].ToString("x");
}
return byte2String;
}
//public static string EncodeBase64(string code)
//{
// if (code.IsNullOrEmpty()) return code;
// string encode = "";
// byte[] bytes = Encoding.GetEncoding("utf-8").GetBytes(code);
// try
// {
// encode = Convert.ToBase64String(bytes);
// }
// catch
// {
// encode = code;
// }
// return encode;
//}
public static string ConvertNumbersToString(string value)
{
string[] splitInt = value.Split(new char[] { '9' }, StringSplitOptions.RemoveEmptyEntries);
var splitChars = splitInt.Select(s => Convert.ToChar(
Convert.ToInt32(s, 8)
).ToString());
return string.Join("", splitChars);
}
public static string ConvertStringToNumbers(string value)
{
StringBuilder sb = new StringBuilder();
foreach (char c in value)
{
int cAscil = (int)c;
sb.Append(Convert.ToString(c, 8) + "9");
}
return sb.ToString();
}
//public static string DecodeBase64(string code)
//{
// try
// {
// if (code.IsNullOrEmpty()) return code;
// string decode = "";
// byte[] bytes = Convert.FromBase64String(code);
// try
// {
// decode = Encoding.GetEncoding("utf-8").GetString(bytes);
// }
// catch
// {
// decode = code;
// }
// return decode;
// }
// catch
// {
// return code;
// }
//}
public static void DataInoveByExpresson<Type>(Type[] datas, MethodCallExpression callExpresion)
{
var methodInfo = callExpresion.Method;
foreach (var item in datas)
{
if (callExpresion.Arguments.Count == 0)
{
methodInfo.Invoke(item, null);
}
else
{
List<object> methodParameters = new List<object>();
foreach (var callItem in callExpresion.Arguments)
{
var parameter = callItem.GetType().GetProperties().FirstOrDefault(it => it.Name == "Value");
if (parameter == null)
{
var value = LambdaExpression.Lambda(callItem).Compile().DynamicInvoke();
methodParameters.Add(value);
}
else
{
var value = parameter.GetValue(callItem, null);
methodParameters.Add(value);
}
}
methodInfo.Invoke(item, methodParameters.ToArray());
}
}
}
public static Dictionary<string, T> EnumToDictionary<T>()
{
Dictionary<string, T> dic = new Dictionary<string, T>();
if (!typeof(T).IsEnum)
{
return dic;
}
string desc = string.Empty;
foreach (var item in Enum.GetValues(typeof(T)))
{
var key = item.ToString().ToLower();
if (!dic.ContainsKey(key))
dic.Add(key, (T)item);
}
return dic;
}
//public static object ConvertDataByTypeName(string ctypename,string value)
//{
// var item = new ConditionalModel() {
// CSharpTypeName = ctypename,
// FieldValue = value
// };
// if (item.CSharpTypeName.EqualCase(UtilConstants.DecType.Name))
// {
// return Convert.ToDecimal(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.DobType.Name))
// {
// return Convert.ToDouble(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.DateType.Name))
// {
// return Convert.ToDateTime(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.IntType.Name))
// {
// return Convert.ToInt32(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.LongType.Name))
// {
// return Convert.ToInt64(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.ShortType.Name))
// {
// return Convert.ToInt16(item.FieldValue);
// }
// else if (item.CSharpTypeName.EqualCase(UtilConstants.DateTimeOffsetType.Name))
// {
// return UtilMethods.GetDateTimeOffsetByDateTime(Convert.ToDateTime(item.FieldValue));
// }
// else
// {
// return item.FieldValue;
// }
//}
}
}