题目要求:
关键代码如下所示:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
class program { static void main( string [] args) { console.writeline( "请输入正确的邮箱地址,以 @sina.com 结尾" ); string us =convert.tostring(console.readline()); string str1 = us.replace( "@" , "" ); int count = us.length - str1.length; string str2 = us.replace( "." , "" ); int count2 = us.length - str2.length; int count3 = us.length - 1; int xl=us.indexof( "." )-us.indexof( "@" ); bool mw = (us.indexof( "@sina.com" ) == (us.length-9)); while (count == 1 && count2 == 1 && us.indexof( "@" ) > 0 && us.indexof( "." ) > us.indexof( "@" ) && us.indexof( "." )<count3) { if (xl != 1 && us.contains( "@sina.com" ) && mw) { console.writeline( "正确" ); } else { console.writeline( "输入的邮箱地址有误" ); } break ; } console.readline(); } } |
以上所述是小编给大家介绍的c#判断email地址是否为合法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://www.cnblogs.com/wintuzi/p/5687400.html