清除WKWebView的缓存

  1 OC写法:     swift写法再下下面。
  2
  3 清除WKWebView的缓存，让H5页面一刷新就更新至最新的页面
  4
  8
  9 要区分iOS9.0和8.0两种
 10
 11 - (void)deleteWebCache {
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 13
 14
 15     if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) {
 16
 17         NSSet *websiteDataTypes
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 19         = [NSSet setWithArray:@[
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 21                                 WKWebsiteDataTypeDiskCache,
 22
 23                                 //WKWebsiteDataTypeOfflineWebApplicationCache,
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 25                                 WKWebsiteDataTypeMemoryCache,
 26
 27                                 //WKWebsiteDataTypeLocalStorage,
 28
 29                                 //WKWebsiteDataTypeCookies,
 30
 31                                 //WKWebsiteDataTypeSessionStorage,
 32
 33                                 //WKWebsiteDataTypeIndexedDBDatabases,
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 35                                 //WKWebsiteDataTypeWebSQLDatabases
 36
 37                                 ]];
 38
 39         //// All kinds of data
 40
 41         //NSSet *websiteDataTypes = [WKWebsiteDataStore allWebsiteDataTypes];
 42
 43         //// Date from
 44
 45         NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
 46
 47         //// Execute
 48
 49         [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
 50
 51             // Done
 52
 53         }];
 54
 55
 56
 57     } else {
 58
 59
 60
 61         NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0];
 62
 63         NSString *cookiesFolderPath = [libraryPath stringByAppendingString:@"/Cookies"];
 64
 65         NSError *errors;
 66
 67         [[NSFileManager defaultManager] removeItemAtPath:cookiesFolderPath error:&errors];
 68
 69
 70
 71     }
 72
 73 }
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 75
 76
 77
 78
 79 swift:
 80
 81 // MARK: - 清空缓存
 82
 83     func ClearCache() {
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 85
 86
 87         let dateFrom: NSDate = NSDate.init(timeIntervalSince1970: 0)
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 89
 90
 91         if #available(iOS 9.0, *) {
 92
 93             let websiteDataTypes: NSSet = WKWebsiteDataStore.allWebsiteDataTypes()
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 95             WKWebsiteDataStore.defaultDataStore().removeDataOfTypes(websiteDataTypes as! Set<String>, modifiedSince: dateFrom) {
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 97                 print("清空缓存完成")
 98
 99             }
100
101         } else {
102
103               let libraryPath = NSSearchPathForDirectoriesInDomains(.LibraryDirectory, .UserDomainMask, true)[0]
104
105             let cookiesFolderPath = libraryPath.stringByAppendingString("/Cookies")
106
107             let errors: NSError
108
109             try? NSFileManager.defaultManager().removeItemAtPath(cookiesFolderPath)
110
111         }
112
113     }