从来就只是改变了我的代码缓存图像远离EGOImageCache到SDWebView。 不幸的是我不知道如何设置自定义HTTP标头,我要送认证才能够读取图像。 这是很容易与EGOImageCache做的从来就延长了的NSURLRequest在适当的位置。 但我不知道该怎么做,与SDWebView.framework。 我看到含有SDWebImageDownloader.h头和从来就发现方法
/**
* Set a value for a HTTP header to be appended to each download HTTP request.
*
* @param value The value for the header field. Use `nil` value to remove the header.
* @param field The name of the header field to set.
*/
- (void)setValue:(NSString *)value forHTTPHeaderField:(NSString *)field;
/**
* Returns the value of the specified HTTP header field.
*
* @return The value associated with the header field field, or `nil` if there is no corresponding header field.
*/
- (NSString *)valueForHTTPHeaderField:(NSString *)field;
看来,LIB不支持HTTP标头。 但是,因为我用的UIImageView + WebCache.hi不容看到那里设置标头的选项。 在我的代码调用
[self.imageView setImageWithURL:[NSURL URLWithString:themeImageURL] placeholderImage:[UIImage imageNamed:@"placeholder.png"]];
谁能告诉我如何设置HTTP标头?
我有同样的问题,我试图做:
SDWebImageDownloader *manager = [SDWebImageDownloader sharedDownloader];
[manager setValue:username forHTTPHeaderField:@"X-Oauth-Username"];
但头不发送。 一些尝试后,我遇到了问题,SDWebImageDownloader在sharedDownloader使得SDWebImageDownloader的新实例,所以当你把标题在那个情况下,真正下载图像不实例有头。
我已经解决了使这个:
SDWebImageDownloader *manager = [SDWebImageManager sharedManager].imageDownloader;
[manager setValue:username forHTTPHeaderField:@"X-Oauth-Username"];
我知道这是很老,但不能帮助分担我工作。 我需要设置标题登录令牌值logintoken
。 所以,这段代码做了什么,我想 -
NSString *loginToken = // Some method to fetch login token
[SDWebImageDownloader.sharedDownloader setValue:loginToken forHTTPHeaderField:@"logintoken"];
我使用基本身份验证,并设置username
和password
在sharedDownloader
帮助:
SDWebImageDownloader *downloader = [SDWebImageDownloader sharedDownloader];
downloader.username = @"username";
downloader.password = @"password";
斯威夫特版本
let imageDownloader = SDWebImageDownloader.shared()
imageDownloader.setValue("Username", forHTTPHeaderField: "X-Oauth-Username")
雨燕4.1
let manager = SDWebImageManager.shared().imageDownloader
manager?.setValue("oAuthToken",forHTTPHeaderField: "AuthHeaderName")
manager?.downloadImage(with: imageURL, options: SDWebImageDownloaderOptions.useNSURLCache, progress:
{ (receivedSize, expectedSize , url) in
// progression tracking code
}, completed: { (image,data , error,finished) in
if error == nil && image != nil {
// here the downloaded image is cached, now you need to set it to the imageView
DispatchQueue.main.async {
imageView.image = image
self.maskCircle(anyImage: image!)
}
} else {
// handle the failure
DispatchQueue.main.async {
let defaultImage = UIImage(named: "defaultImage")
imageView.image = defImage
self.maskCircle(anyImage: defImage)
}
}
})