1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Windows.Forms;
6
7 namespace 异常处理_try_catch
8 {
9 class Program
10 {
11 static void Main(string[] args)
12 {
13 //proTest_Try_Catch(222222299, 0, "/");
14 proTest_Try_Catch(100, 10, "+");
15 Console.ReadLine();
16 }
17 /// <proTest_Try_Catch>
18 ///
19 /// 摘要:
20 /// 测试异常处理 : try..catch
21 ///
22 /// </proTest_Try_Catch>
23 /// <param name="obj1", 操作数1 ></param>
24 /// <param name="obj2", 操作数2 ></param>
25 /// <param name="Operators", 运算符 ></param>
26 static void proTest_Try_Catch(int obj1, int obj2, string strOperators)
27 {
28 var result = 0;
29 try
30 {
31 switch ( strOperators )
32 {
33 case "+":
34 result = obj1 + obj2;
35 Console.WriteLine(result);
36 break;
37 case "-":
38 result = obj1 - obj2;
39 Console.WriteLine(result);
40 break;
41 case "*":
42 result = obj1 * obj2;
43 Console.WriteLine(result);
44 break;
45 case "/":
46 result = obj1 / obj2;
47 Console.WriteLine(result);
48 break;
49 }
50 if ( result > 100)
51 {
52 throw new ApplicationException("哥的自定义异常消息!!!!!!!!!!!!!!!");
53 }
54 }
55 catch (Exception e) // 捕获【"哥的自定义异常消息!!!!!!!!!!!!!!!"】
56 {
57 MessageBox.Show("二货 : " + e.Message);
58 return; // 就算有 return 异常处理还是会走到finally;
59 }
60 finally // 必须执行的代码
61 {
62 MessageBox.Show("哈哈哈");
63 }
64
65 }
66 }
67 }
