iOS清除WKWebView缓存

最新推荐文章于 2025-10-31 12:37:26 发布

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最新推荐文章于 2025-10-31 12:37:26 发布 · 3.6k 阅读

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#ios #objective-c

本文介绍了在iOS9及以上版本中，如何使用WKWebsiteDataStore API清除Web缓存，包括按类型和时间清除数据的详细步骤。同时涵盖了清除传统NSURLCache和HTTPCookie的方法。

//清除缓存
[[NSURLCache sharedURLCache] removeAllCachedResponses];
[[NSURLCache sharedURLCache] setDiskCapacity:0];
[[NSURLCache sharedURLCache] setMemoryCapacity:0];

//清除Cookie
NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
for (NSHTTPCookie *cookie in [storage cookies]) {
    [storage deleteCookie:cookie];
}

iOS9之后新增了按时间清除web缓存的方法

NSSet *websiteDataTypes = [WKWebsiteDataStore allWebsiteDataTypes];
NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:0];
[[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{
    NSLog(@"WKWebsiteDataStore removeDataOfTypes");
}];

/*! @abstract Removes website data of the given types for the given data records.
 @param dataTypes The website data types that should be removed.
 @param dataRecords The website da