1 OC写法: swift写法再下下面。
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3 清除WKWebView的缓存，让H5页面一刷新就更新至最新的页面
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9 要区分iOS9.0和8.0两种
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11 - (void)deleteWebCache {
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13
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15 if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) {
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17 NSSet *websiteDataTypes
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19 = [NSSet setWithArray:@[
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21 WKWebsiteDataTypeDiskCache,
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23 //WKWebsiteDataTypeOfflineWebApplicationCache,
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25 WKWebsiteDataTypeMemoryCache,
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27 //WKWebsiteDataTypeLocalStorage,
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29 //WKWebsiteDataTypeCookies,
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31 //WKWebsiteDataTypeSessionStorage,
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33 //WKWebsiteDataTypeIndexedDBDatabases,
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35 //WKWebsiteDataTypeWebSQLDatabases
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37 ]];
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39 //// All kinds of data
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41 //NSSet *websiteDataTypes = [WKWebsiteDataStore allWebsiteDataTypes];
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43 //// Date from
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45 NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
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47 //// Execute
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49 [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
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51 // Done
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53 }];
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55
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57 } else {
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61 NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0];
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63 NSString *cookiesFolderPath = [libraryPath stringByAppendingString:@"/Cookies"];
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65 NSError *errors;
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67 [[NSFileManager defaultManager] removeItemAtPath:cookiesFolderPath error:&errors];
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69
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71 }
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73 }
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79 swift:
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81 // MARK: - 清空缓存
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83 func ClearCache() {
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85
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87 let dateFrom: NSDate = NSDate.init(timeIntervalSince1970: 0)
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89
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91 if #available(iOS 9.0, *) {
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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")
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99 }
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101 } else {
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103 let libraryPath = NSSearchPathForDirectoriesInDomains(.LibraryDirectory, .UserDomainMask, true)[0]
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105 let cookiesFolderPath = libraryPath.stringByAppendingString("/Cookies")
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107 let errors: NSError
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109 try? NSFileManager.defaultManager().removeItemAtPath(cookiesFolderPath)
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111 }
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113 }