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分享public static bool Equals(string a, string b)
{
if (a == b)
{
return true;
}
if ((a != null) && (b != null))
{
return a.Equals(b);
}
return false;
}
public static bool operator ==(string a, string b)
{
return Equals(a, b);
}
public static bool Equals(string a, string b)
{
...
}
public override bool Equals(object obj)
{
}
if (a == b)
{
return true;
}public static bool operator ==(string a, string b)
{
return Equals(a, b);
}if (a == b)