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Update Expressionable

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sunkaixuan
2018-01-22 13:29:14 +08:00
parent 7946235c62
commit 47085d71cd
1 changed files with 144 additions and 0 deletions
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144
Src/Asp.Net/SqlSugar/Abstract/ExpressionableProvider/Expressionable.cs
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@@ -50,6 +50,138 @@ namespace SqlSugar
return _exp; return _exp;
} }
} }
public class Expressionable<T,T2> where T : class, new() where T2 : class, new()
{
Expression<Func<T,T2, bool>> _exp = null;
public Expressionable<T,T2> And(Expression<Func<T,T2, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T,T2, bool>>(Expression.AndAlso(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T,T2> AndIF(bool isAnd, Expression<Func<T,T2, bool>> exp)
{
if (isAnd)
And(exp);
return this;
}
public Expressionable<T,T2> Or(Expression<Func<T,T2, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T,T2, bool>>(Expression.OrElse(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T,T2> OrIF(bool isOr, Expression<Func<T,T2, bool>> exp)
{
if (isOr)
Or(exp);
return this;
}
public Expression<Func<T,T2, bool>> ToExpression()
{
if (_exp == null)
_exp = (it,t2) => true;
return _exp;
}
}
public class Expressionable<T, T2,T3> where T : class, new() where T2 : class, new() where T3 : class, new()
{
Expression<Func<T, T2,T3, bool>> _exp = null;
public Expressionable<T, T2,T3> And(Expression<Func<T, T2,T3, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T, T2,T3, bool>>(Expression.AndAlso(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T, T2,T3> AndIF(bool isAnd, Expression<Func<T, T2,T3, bool>> exp)
{
if (isAnd)
And(exp);
return this;
}
public Expressionable<T, T2,T3> Or(Expression<Func<T, T2,T3, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T, T2,T3, bool>>(Expression.OrElse(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T, T2,T3> OrIF(bool isOr, Expression<Func<T, T2,T3, bool>> exp)
{
if (isOr)
Or(exp);
return this;
}
public Expression<Func<T, T2,T3, bool>> ToExpression()
{
if (_exp == null)
_exp = (it, t2,t3) => true;
return _exp;
}
}
public class Expressionable<T, T2, T3,T4> where T : class, new() where T2 : class, new() where T3 : class, new()) where T3 : class, new()
{
Expression<Func<T, T2, T3,T4, bool>> _exp = null;
public Expressionable<T, T2, T3,T4> And(Expression<Func<T, T2, T3,T4, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T, T2, T3,T4, bool>>(Expression.AndAlso(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T, T2, T3,T4> AndIF(bool isAnd, Expression<Func<T, T2, T3,T4, bool>> exp)
{
if (isAnd)
And(exp);
return this;
}
public Expressionable<T, T2, T3,T4> Or(Expression<Func<T, T2, T3,T4, bool>> exp)
{
if (_exp == null)
_exp = exp;
else
_exp = Expression.Lambda<Func<T, T2, T3,T4, bool>>(Expression.OrElse(_exp.Body, exp.Body), _exp.Parameters);
return this;
}
public Expressionable<T, T2, T3,T4> OrIF(bool isOr, Expression<Func<T, T2, T3,T4, bool>> exp)
{
if (isOr)
Or(exp);
return this;
}
public Expression<Func<T, T2, T3,T4, bool>> ToExpression()
{
if (_exp == null)
_exp = (it, t2, t3,t4) => true;
return _exp;
}
}
public class Expressionable public class Expressionable
{ {
@@ -57,5 +189,17 @@ namespace SqlSugar
{ {
return new Expressionable<T>(); return new Expressionable<T>();
} }
public static Expressionable<T,T2> Create<T,T2>() where T : class, new() where T2 : class, new()
{
return new Expressionable<T,T2>();
}
public static Expressionable<T, T2,T3> Create<T, T2,T3>() where T : class, new() where T2 : class, new() where T3 : class, new()
{
return new Expressionable<T, T2,T3>();
}
public static Expressionable<T, T2, T3,T4> Create<T, T2, T3,T4>() where T : class, new() where T2 : class, new() where T3 : class, new()
{
return new Expressionable<T, T2, T3,T4>();
}
} }
} }