//集合
public static void List()
{
Console.WriteLine($"********************集合类型:{Count / 10000}万次执行时间***************************");
var model = new TestA
{
Id = 1,
Name = "张三",
TestLists = new List <TestC> {
new TestC {
Id = 1,
Name = "张三",
},
new TestC {
Id = -1,
Name = "张三",
},
}
};
//计时
var sw = Stopwatch.StartNew();
for (int i = 0; i < Count; i++)
{
var item = model;
if (item != null)
{
var b = new TestB
{
Id = item.Id,
Name = item.Name,
TestLists = new List <TestD> {
new TestD {
Id = item.Id,
Name = item.Name,
},
new TestD {
Id = -item.Id,
Name = item.Name,
},
}.ToArray()
};
}
}
sw.Stop();
Console.WriteLine($"原生的时间:{sw.ElapsedMilliseconds}ms");
Exec(model);
}
//复杂类型
public static void Complex()
{
Console.WriteLine($"********************复杂类型:{Count / 10000}万次执行时间*********************");
var model = new TestA
{
Id = 1,
Name = "张三",
TestClass = new TestC
{
Id = 2,
Name = "lisi",
},
};
//计时
var sw = Stopwatch.StartNew();
for (int i = 0; i < Count; i++)
{
if (model != null)
{
var b = new TestB
{
Id = model.Id,
Name = model.Name,
};
if (model.TestClass != null)
{
b.TestClass = new TestD
{
Id = i,
Name = "lisi",
};
}
}
}
sw.Stop();
Console.WriteLine($"原生的时间:{sw.ElapsedMilliseconds}ms");
Exec(model);
}
//嵌套类型
public static void Nest()
{
Console.WriteLine($"*****************嵌套类型:{Count / 10000}万次执行时间*************************");
var model = new TestA
{
Id = 1,
Name = "张三",
TestClass = new TestC
{
Id = 1,
Name = "lisi",
SelfClass = new TestC
{
Id = 2,
Name = "lisi",
SelfClass = new TestC
{
Id = 3,
Name = "lisi",
SelfClass = new TestC
{
Id = 4,
Name = "lisi",
},
},
},
},
};
//计时
var item = model;
var sw = Stopwatch.StartNew();
for (int i = 0; i < Count; i++)
{
//这里每一步需要做非空判断的，书写太麻烦省去了
if (model != null)
{
var b = new TestB
{
Id = model.Id,
Name = model.Name,
TestClass = new TestD
{
Id = model.TestClass.Id,
Name = model.TestClass.Name,
SelfClass = new TestD
{
Id = model.TestClass.SelfClass.Id,
Name = model.TestClass.SelfClass.Name,
SelfClass = new TestD
{
Id = model.TestClass.SelfClass.SelfClass.Id,
Name = model.TestClass.SelfClass.SelfClass.Name,
SelfClass = new TestD
{
Id = model.TestClass.SelfClass.SelfClass.SelfClass.Id,
Name = model.TestClass.SelfClass.SelfClass.SelfClass.Name,
},
},
},
},
};
}
}
sw.Stop();
Console.WriteLine($"原生的时间:{sw.ElapsedMilliseconds}ms");
Exec(model);
}