class Program

{

static string result1 = null;

static void Main(string[] args)

{

string result= printresult();

Console.WriteLine("result Say :\nMy Value Is " + result);

Console.WriteLine("result1 Say :\nMy Value Is" + result1);

Console.ReadKey();

}

static string printresult()

{

string s = "haha";

int a = 0;

try

{

a = Convert.ToInt32(s);//异常出现

result1 = "i am trying...";

return "我try完了，回去";

}

catch (Exception e)

{

result1 = "i am catch...";

return "我catch完了，回去";

}

finally

{

result1="我finally完了，回去";//这里的语句不管try-catch结果如何，都会执行。但允许写return语句

}

result1="完了，i have to go";//提示无法访问的代码,因为try和catch都有返回值，这句话没机会执行了

return result1;

}//返回值是："我catch完了，回去";

}

 

结论：finally语句无论try-catch结果如何都会执行，执行完才会执行try-catch中的return语句（如果有的话）