Ios NSURLCHACHE随Mashery的变化而变化”；sig=XXXXXX"；查询项

当URL包含更改的查询项时，是否可以使用

NSURLCache

缓存响应？例如，我们添加了Mashery所需的“sig=XXXXXX”查询项，每个请求都会更改该查询项

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如果没有，是否有解决方法？

通过子类化

NSURLCache

并重写其缓存方法来解决

在每个重写的方法中，我在调用超类的方法之前从请求中删除查询项

例如：

override func storeCachedResponse(cachedResponse: NSCachedURLResponse, forRequest request: NSURLRequest) {
        let strippedRequest = removeQueryItemFromRequest(self.queryItemName, request: request)

        if let url = strippedRequest.URL {
            let response = NSURLResponse(URL: url, MIMEType: cachedResponse.response.MIMEType, expectedContentLength: Int(cachedResponse.response.expectedContentLength), textEncodingName: cachedResponse.response.textEncodingName)
            let newCachedResponse = NSCachedURLResponse(response: response, data: cachedResponse.data)

            super.storeCachedResponse(newCachedResponse, forRequest: strippedRequest)
        }
        else {
            super.storeCachedResponse(cachedResponse, forRequest: request)
        }
    }

self.queryItemName

是传递给自定义初始值设定项的存储属性