iPhone開發之網絡檢查

reachability來實現的。我也試了試效果還不錯，封裝成了工具類方便大家使用。

使用說明：

1.添加framework：

將SystemConfiguration.framework添加進工程。

2.下載https://developer.apple.com/library/ios/samplecode/Reachability/Reachability.zip

復制裡面的Reachability.h和Reachability.m到項目中

3.添加CloNetworkUtil.h和CloNetworkUitl.m到你的項目中

在使用的地方導入CloNetworkUtil.h頭文件即可

CloNetworkUtil.h代碼：

1. //
2. // CloNetworkUtil.h
3. // NetWorkTest
4. //
5. // Created by Cloay on 12-6-19.
6. // Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
7. /**
8. 1.添加framework：
9. 將SystemConfiguration.framework 添加進工程。
10. 2.下載 https://developer.apple.com/library/ios/samplecode/Reachability/Reachability.zip
11. 復制裡面的Reachability.h和Reachability.m到項目中
12. */
14. #import <Foundation/Foundation.h>
15. #import "Reachability.h"
16. @interface CloNetworkUtil : NSObject{
17. }
20. - (Reachability *)initReachability;
21. - (BOOL)getNetWorkStatus;
22. - (NSString *)getNetWorkType;
23. @end

1. //
2. // CloNetworkUtil.m
3. // NetWorkTest
4. //
5. // Created by Cloay on 12-6-19.
6. // Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
7. //
9. #import "CloNetworkUtil.h"
11. @implementation CloNetworkUtil
13. //初始化reachability
14. - (Reachability *)initReachability{
15. Reachability *reachability = [Reachability reachabilityWithHostName:@"www.baidu.com"];
16. return reachability;
17. }
19. //判斷網絡是否可用
20. - (BOOL)getNetWorkStatus{
21. if ([[self initReachability] currentReachabilityStatus] == NotReachable) {
22. return NO;
23. }else {
24. return YES;
25. }
26. }
28. /**
29. 獲取網絡類型
30. return
31. */
32. - (NSString *)getNetWorkType
33. {
34. NSString *netWorkType;
35. Reachability *reachability = [self initReachability];
36. switch ([reachability currentReachabilityStatus]) {
37. case ReachableViaWiFi: //Wifi網絡
38. netWorkType = @"wifi";
39. break;
40. case ReachableViaWWAN: //無線廣域網
41. netWorkType = @"wwan";
42. break;
43. default:
44. netWorkType = @"no";
45. break;
46. }
47. return netWorkType;
48. }
50. @end

很簡單就不在說明了！效果圖：