清除WKWebView缓存

1.Object-C

- (void)deleteWebCache {
    
    if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) {
        NSSet *websiteDataTypes
        = [NSSet setWithArray:@[
                                WKWebsiteDataTypeDiskCache,
                                //WKWebsiteDataTypeOfflineWebApplicationCache,
                                WKWebsiteDataTypeMemoryCache,
                                //WKWebsiteDataTypeLocalStorage,
                                //WKWebsiteDataTypeCookies,
                                //WKWebsiteDataTypeSessionStorage,
                                //WKWebsiteDataTypeIndexedDBDatabases,
                                //WKWebsiteDataTypeWebSQLDatabases
                                ]];
        //// All kinds of data
        //NSSet *websiteDataTypes = [WKWebsiteDataStore allWebsiteDataTypes];
        //// Date from
        NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
        //// Execute
        [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
            // Done
        }];
 
    } else {
        
        NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0];
        NSString *cookiesFolderPath = [libraryPath stringByAppendingString:@"/Cookies"];
        NSError *errors;
        [[NSFileManager defaultManager] removeItemAtPath:cookiesFolderPath error:&errors];
        
    }
}

 

2.Swift

 func ClearCache() {
 
        let dateFrom: NSDate = NSDate.init(timeIntervalSince1970: 0)
 
        if #available(iOS 9.0, *) {
            let websiteDataTypes: NSSet = WKWebsiteDataStore.allWebsiteDataTypes()
            WKWebsiteDataStore.defaultDataStore().removeDataOfTypes(websiteDataTypes as! Set<String>, modifiedSince: dateFrom) {
                print("清空缓存完成")
            }
        } else {
              let libraryPath = NSSearchPathForDirectoriesInDomains(.LibraryDirectory, .UserDomainMask, true)[0]
            let cookiesFolderPath = libraryPath.stringByAppendingString("/Cookies")
            let errors: NSError
            try? NSFileManager.defaultManager().removeItemAtPath(cookiesFolderPath)
        }
    }