清除WKWebViewcookies的方法

WKWebsiteDataStore *dateStore = [WKWebsiteDataStore defaultDataStore]; 
  [dateStore fetchDataRecordsOfTypes:[WKWebsiteDataStore allWebsiteDataTypes] 
           completionHandler:^(NSArray * __nonnull records) { 
             for (WKWebsiteDataRecord *record in records) 
             { 
//               if ( [record.displayName containsString:@"baidu"]) //取消备注，可以针对某域名清除，否则是全清 
//               { 
                 [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:record.dataTypes 
                                      forDataRecords:@[record] 
                                    completionHandler:^{ 
                                      NSLog(@"COOKIEs for %@ deleted successfully",record.displayName); 
                                    }]; 
//               } 
             } 
           }]; 

NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0]; 
NSString *COOKIEsFolderPath = [libraryPath stringByAppendingString:@"/COOKIEs"]; 
NSError *errors; 
[[NSFileManager defaultManager] removeItemAtPath:COOKIEsFolderPath error:&errors]; 

NSHTTPCOOKIE *COOKIE;
NSHTTPCOOKIEStorage *COOKIEJar = [NSHTTPCOOKIEStorage sharedHTTPCOOKIEStorage];
for (COOKIE in [COOKIEJar COOKIEs]) {
  NSLog(@"%@", COOKIE);
}