The resource could not be loaded because the App Transport Security policy requires the use of a secure connection
xmpp 项目中遇到的问题,用苹果的通信API 写一个PUT 方法,向服务器上传一张图片。遇到如题问题。
Plist 文件没有NSAppTransportSecurity属性 Dic,添加该属性,再添加二级属性NSAllowsArbitraryLoads BOOL YES
苹果文档:https://developer.apple.com/library/ios/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html
stackOverflow:http://stackoverflow.com/questions/32631184/the-resource-could-not-be-loaded-because-the-app-transport-security-policy-requi
工具类:HTTPTool.h
#import <Foundation/Foundation.h> typedef void (^HttpToolProgressBlock)(CGFloat progress);
typedef void (^HttpToolCompletionBlock)(NSError *error); @interface HttpTool : NSObject -(void)uploadData:(NSData *)data
url:(NSURL *)url
progressBlock : (HttpToolProgressBlock)progressBlock
completion:(HttpToolCompletionBlock) completionBlock; /**
下载数据
*/
-(void)downLoadFromURL:(NSURL *)url
progressBlock : (HttpToolProgressBlock)progressBlock
completion:(HttpToolCompletionBlock) completionBlock; -(NSString *)fileSavePath:(NSString *)fileName; @end
HTTPTool.m
#import "HttpTool.h" #define kTimeOut 5.0 @interface HttpTool()<NSURLSessionDownloadDelegate,NSURLSessionTaskDelegate>{ //下载
HttpToolProgressBlock _dowloadProgressBlock;
HttpToolCompletionBlock _downladCompletionBlock;
NSURL *_downloadURL; //上传
HttpToolProgressBlock _uploadProgressBlock;
HttpToolCompletionBlock _uploadCompletionBlock; } @end @implementation HttpTool #pragma mark - 上传
-(void)uploadData:(NSData *)data url:(NSURL *)url progressBlock:(HttpToolProgressBlock)progressBlock completion:(HttpToolCompletionBlock)completionBlock{ NSAssert(data != nil, @"上传数据不能为空");
NSAssert(url != nil, @"上传文件路径不能为空"); _uploadProgressBlock = progressBlock;
_uploadCompletionBlock = completionBlock; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:kTimeOut];
request.HTTPMethod = @"PUT"; NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration]; //NSURLSessionDownloadDelegate
NSURLSession *session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:[[NSOperationQueue alloc] init]]; //定义下载操作
NSURLSessionUploadTask *uploadTask = [session uploadTaskWithRequest:request fromData:data]; [uploadTask resume];
} #pragma mark - 上传代理 #pragma mark - 上传进度
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didSendBodyData:(int64_t)bytesSent totalBytesSent:(int64_t)totalBytesSent totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend{ if (_uploadProgressBlock) {
CGFloat progress = (CGFloat) totalBytesSent / totalBytesExpectedToSend;
_uploadProgressBlock(progress);
}
} #pragma mark - 上传完成
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error{
if (_uploadCompletionBlock) {
_uploadCompletionBlock(error); _uploadProgressBlock = nil;
_uploadCompletionBlock = nil;
}
} #pragma mark - 下载
-(void)downLoadFromURL:(NSURL *)url
progressBlock:(HttpToolProgressBlock)progressBlock
completion:(HttpToolCompletionBlock)completionBlock{ NSAssert(url != nil, @"下载URL不能传空"); _downloadURL = url;
_dowloadProgressBlock = progressBlock;
_downladCompletionBlock = completionBlock; NSURLRequest *request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:kTimeOut]; //session 大多数使用单例即可 NSURLResponse *response = nil; //发达同步请求
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil]; //NSLog(@"%lld",response.expectedContentLength);
if (response.expectedContentLength <= ) {
if (_downladCompletionBlock) {
NSError *error =[NSError errorWithDomain:@"文件不存在" code: userInfo:nil];
_downladCompletionBlock(error); //清除block
_downladCompletionBlock = nil;
_dowloadProgressBlock = nil;
} return;
} NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration]; //NSURLSessionDownloadDelegate
NSURLSession *session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:[[NSOperationQueue alloc] init]]; //定义下载操作
NSURLSessionDownloadTask *downloadTask = [session downloadTaskWithRequest:request]; [downloadTask resume]; } #pragma mark -NSURLSessionDownloadDelegate
#pragma mark 下载完成
-(void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location{ //图片保存在沙盒的Doucument下
NSString *fileSavePath = [self fileSavePath:[_downloadURL lastPathComponent]]; //文件管理
NSFileManager *fileManager = [NSFileManager defaultManager];
[fileManager copyItemAtURL:location toURL:[NSURL fileURLWithPath:fileSavePath] error:nil]; if (_downladCompletionBlock) {
//通知下载成功,没有没有错误
_downladCompletionBlock(nil); //清空block
_downladCompletionBlock = nil;
_dowloadProgressBlock = nil;
} } #pragma mark 下载进度
-(void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didWriteData:(int64_t)bytesWritten totalBytesWritten:(int64_t)totalBytesWritten totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite{ if (_dowloadProgressBlock) {
//已写数据字节数除以总字节数就是下载进度
CGFloat progress = (CGFloat)totalBytesWritten / totalBytesExpectedToWrite; _dowloadProgressBlock(progress); }
} -(void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didResumeAtOffset:(int64_t)fileOffset expectedTotalBytes:(int64_t)expectedTotalBytes{ } #pragma mark -传一个文件名,返回一个在沙盒Document下的文件路径
-(NSString *)fileSavePath:(NSString *)fileName{
NSString *document = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[];
//图片保存在沙盒的Doucument下
return [document stringByAppendingPathComponent:fileName];
} @end
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