看到外国大牛的一段代码
- (void)clearAllUIWebViewData {
// Clear the webview cache...
[[NSURLCachesharedURLCache] removeAllCachedResponses];
[selfremoveApplicationLibraryDirectoryWithDirectory:@"Caches"];
[selfremoveApplicationLibraryDirectoryWithDirectory:@"WebKit"];
// Empty the cookie jar...
for (NSHTTPCookie *cookie in [[NSHTTPCookieStoragesharedHTTPCookieStorage] cookies]) {
[[NSHTTPCookieStoragesharedHTTPCookieStorage] deleteCookie:cookie];
}
[selfremoveApplicationLibraryDirectoryWithDirectory:@"Cookies"];
}
- (void)removeApplicationLibraryDirectoryWithDirectory:(NSString *)dirName {
NSString *dir = [[[[NSSearchPathForDirectoriesInDomains(NSApplicationDirectory, NSUserDomainMask, YES) lastObject] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"Library"] stringByAppendingPathComponent:dirName];
if ([[NSFileManagerdefaultManager] fileExistsAtPath:dir]) {
[[NSFileManagerdefaultManager] removeItemAtPath:dir error:nil];
}
}
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