内容提要：Overview A wise programmer once said, 'The one constant in computing is change.' There couldn''t be a truer statement. This article is about such change, specifically moving from HTML to the next gene …… |
''强制性刷新随机验证码
''让随机验证码每次按IE的后退按钮时，返回登录页面的随即码都自动刷新，
Response.expires=-1
Response.AddHeader"pragma","no-cache"
Response.AddHeader"cache-control","no-store"
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