本文实例讲述了.NET/C#实现识别用户访问设备的方法。分享给大家供大家参考，具体如下：
一、需求
需要获取到用户访问网站时使用的设备，根据不同设备返回不同类型的渲染页面。
二、实现前准备
通过NuGet把UAParser程序包添加到项目中
三、实现
新建UAParseUserAgent类文件，在这个文件中进行实现。
实现代码如下：
|
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
public class UAParserUserAgent{ private readonly static uap.Parser s_uap; private static readonly Regex s_pdfConverterPattern = new Regex(@"wkhtmltopdf", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.CultureInvariant); # region Mobile UAs, OS & Devices private static readonly HashSet<string> s_MobileOS = new HashSet<string> { "Android", "iOS", "Windows Mobile", "Windows Phone", "Windows CE", "Symbian OS", "BlackBerry OS", "BlackBerry Tablet OS", "Firefox OS", "Brew MP", "webOS", "Bada", "Kindle", "Maemo" }; private static readonly HashSet<string> s_MobileBrowsers = new HashSet<string> { "Android", "Firefox Mobile", "Opera Mobile", "Opera Mini", "Mobile Safari", "Amazon Silk", "webOS Browser", "MicroB", "Ovi Browser", "NetFront", "NetFront NX", "Chrome Mobile", "Chrome Mobile iOS", "UC Browser", "Tizen Browser", "Baidu Explorer", "QQ Browser Mini", "QQ Browser Mobile", "IE Mobile", "Polaris", "ONE Browser", "iBrowser Mini", "Nokia Services (WAP) Browser", "Nokia Browser", "Nokia OSS Browser", "BlackBerry WebKit", "BlackBerry", "Palm", "Palm Blazer", "Palm Pre", "Teleca Browser", "SEMC-Browser", "PlayStation Portable", "Nokia", "Maemo Browser", "Obigo", "Bolt", "Iris", "UP.Browser", "Minimo", "Bunjaloo", "Jasmine", "Dolfin", "Polaris", "Skyfire" }; private static readonly HashSet<string> s_MobileDevices = new HashSet<string> { "BlackBerry", "MI PAD", "iPhone", "iPad", "iPod", "Kindle", "Kindle Fire", "Nokia", "Lumia", "Palm", "DoCoMo", "HP TouchPad", "Xoom", "Motorola", "Generic Feature Phone", "Generic Smartphone" }; #endregion private readonly HttpContextBase _httpContext; private string _rawValue; private UserAgentInfo _userAgent; private DeviceInfo _device; private OSInfo _os; private bool? _isBot; private bool? _isMobileDevice; private bool? _isTablet; private bool? _isPdfConverter; static UAParserUserAgent() { s_uap = uap.Parser.GetDefault(); } public UAParserUserAgent(HttpContextBase httpContext) { this._httpContext = httpContext; } public string RawValue { get { if (_rawValue == null) { if (_httpContext.Request != null) { _rawValue = _httpContext.Request.UserAgent.ToString(); } else { _rawValue = ""; } } return _rawValue; } // for (unit) test purpose set { _rawValue = value; _userAgent = null; _device = null; _os = null; _isBot = null; _isMobileDevice = null; _isTablet = null; _isPdfConverter = null; } } public virtual UserAgentInfo UserAgent { get { if (_userAgent == null) { var tmp = s_uap.ParseUserAgent(this.RawValue); _userAgent = new UserAgentInfo(tmp.Family, tmp.Major, tmp.Minor, tmp.Patch); } return _userAgent; } } public virtual DeviceInfo Device { get { if (_device == null) { var tmp = s_uap.ParseDevice(this.RawValue); _device = new DeviceInfo(tmp.Family, tmp.IsSpider); } return _device; } } public virtual OSInfo OS { get { if (_os == null) { var tmp = s_uap.ParseOS(this.RawValue); _os = new OSInfo(tmp.Family, tmp.Major, tmp.Minor, tmp.Patch, tmp.PatchMinor); } return _os; } } public virtual bool IsBot { get { if (!_isBot.HasValue) { _isBot = _httpContext.Request.Browser.Crawler || this.Device.IsBot; } return _isBot.Value; } } public virtual bool IsMobileDevice { get { if (!_isMobileDevice.HasValue) { _isMobileDevice = s_MobileOS.Contains(this.OS.Family) || s_MobileBrowsers.Contains(this.UserAgent.Family) || s_MobileDevices.Contains(this.Device.Family); } return _isMobileDevice.Value; } } public virtual bool IsTablet { get { if (!_isTablet.HasValue) { _isTablet = Regex.IsMatch(this.Device.Family, "iPad|Kindle Fire|Nexus 10|Xoom|Transformer|MI PAD|IdeaTab", RegexOptions.CultureInvariant) || this.OS.Family == "BlackBerry Tablet OS"; } return _isTablet.Value; } } public virtual bool IsPdfConverter { get { if (!_isPdfConverter.HasValue) { _isPdfConverter = s_pdfConverterPattern.IsMatch(this.RawValue); } return _isPdfConverter.Value; } }}public sealed class DeviceInfo{ public DeviceInfo(string family, bool isBot) { this.Family = family; this.IsBot = isBot; } public override string ToString() { return this.Family; } public string Family { get; private set; } public bool IsBot { get; private set; }}public sealed class OSInfo{ public OSInfo(string family, string major, string minor, string patch, string patchMinor) { this.Family = family; this.Major = major; this.Minor = minor; this.Patch = patch; this.PatchMinor = patchMinor; } public override string ToString() { var str = VersionString.Format(Major, Minor, Patch, PatchMinor); return (this.Family + (!string.IsNullOrEmpty(str) ? (" " + str) : null)); } public string Family { get; private set; } public string Major { get; private set; } public string Minor { get; private set; } public string Patch { get; private set; } public string PatchMinor { get; private set; } private static string FormatVersionString(params string[] parts) { return string.Join(".", (from v in parts where !string.IsNullOrEmpty(v) select v).ToArray<string>()); }}public sealed class UserAgentInfo{ public UserAgentInfo(string family, string major, string minor, string patch) { this.Family = family; this.Major = major; this.Minor = minor; this.Patch = patch; } public override string ToString() { var str = VersionString.Format(Major, Minor, Patch); return (this.Family + (!string.IsNullOrEmpty(str) ? (" " + str) : null)); } public string Family { get; private set; } public string Major { get; private set; } public string Minor { get; private set; } public string Patch { get; private set; }}internal static class VersionString{ public static string Format(params string[] parts) { return string.Join(".", (from v in parts where !string.IsNullOrEmpty(v) select v).ToArray<string>()); }} |
控制器中代码：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
UAParserUserAgent userAgent = new UAParserUserAgent(this.HttpContext);dto.OSInfo = userAgent.OS.ToString();dto.Device = userAgent.Device.ToString() != "Other" ? userAgent.Device.ToString() : "电脑";dto.Agent = userAgent.UserAgent.ToString();dto.RawValue = userAgent.RawValue.ToString();//if (userAgent.IsMobileDevice)//{// Debug.WriteLine("这是一个手机");// ViewBag.MobilePc = "手机";//}//else if (userAgent.IsTablet)//{// ViewBag.MobilePc = "平板";// Debug.WriteLine("这是一个平板");//}//else//{// ViewBag.MobilePc = "普通电脑";// Debug.WriteLine("这是一个普通电脑");//} |
希望本文所述对大家C#程序设计有所帮助。
