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public
static class BrowserHelper { private
const string IE = "IE"; private
const string Version6 = "6"; private
const string Version7 = "7"; private
const string Version8 = "8"; private
const string Version9 = "9"; public
static bool IsIE6() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null)) { HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser; if
((browser.Browser == IE) && (browser.Version.StartsWith(Version6))) { result = true; } } return
result; } public
static bool IsIE7() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null)) { HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser; if
((browser.Browser == IE) && (browser.Version.StartsWith(Version7))) { result = true; } } return
result; } public
static bool IsIE8() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null)) { HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser; if
((browser.Browser == IE) && (browser.Version.StartsWith(Version8))) { result = true; } } return
result; } public
static bool IsIE9() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.Browser != null)) { HttpBrowserCapabilities browser = HttpContext.Current.Request.Browser; if
((browser.Browser == IE) && (browser.Version.StartsWith(Version9))) { result = true; } } return
result; } public
static bool IsIE() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { if
(HttpContext.Current.Request.UserAgent.Contains("MSIE")) { result = true; } } return
result; } public
static bool IsFF() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { if
(HttpContext.Current.Request.UserAgent.Contains("Firefox")) { result = true; } } return
result; } public
static bool IsSafari() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("safari")); } return
result; } public
static bool IsOpera() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("opera")); } return
result; } public
static bool IsIphone() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("iphone")); } return
result; } public
static bool IsIpad() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("ipad")); } return
result; } private
static bool IsOldIOS() { // older ios does not support wysiwyg editors if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { if
(HttpContext.Current.Request.UserAgent.ToLower().Contains("os 4_")) { return
true; } if
(HttpContext.Current.Request.UserAgent.ToLower().Contains("os 3_")) { return
true; } } return
false; } public
static bool MobileDeviceSupportsWYSIWYG() { bool
result = false; if
( (IsIpad() || IsIphone()) && (!IsOldIOS()) ) { result = true; } return
result; } public
static bool IsSmartPhone() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("iphone")); if
(result) { return
result; } result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("android")); if
(result) { return
result; } } return
result; } public
static bool IsWindowsLiveWriter() { bool
result = false; if
((HttpContext.Current != null) && (HttpContext.Current.Request != null) && (HttpContext.Current.Request.UserAgent != null)) { result = (HttpContext.Current.Request.UserAgent.ToLower().Contains("windows live writer")); } return
result; } } |
原文：http://www.cnblogs.com/qishiguilai/p/3554757.html