#pragma mark ------- UIImage圖片轉成base64字符串：
//將 已轉換成為 NSData 類型的圖片 轉換為 NSString 類型
//iOS 7.0+ ---- base64EncodedStringWithOptions
NSString *_encodedImageStr = [imageData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
NSLog(@"===Encoded image:\n%@", _encodedImageStr);
NSString *urlStr = [NSString stringWithFormat:kURLStr];
NSDictionary *params = @{
@"username":[NSString stringWithFormat:@"%@", [Singleton mainSingleton].telephoneData],
@"image":_encodedImageStr
};
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
[manager POST:urlStr parameters:params constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {
//獲取存在本地沙盒的圖片，前提是同一界面內做過 “將圖片存在本地沙盒中” 的這一操作。
[formData appendPartWithFileURL:[NSURL fileURLWithPath:fullPath] name:@"file" fileName:@"currentImage.png" mimeType:@"image/png" error:nil];
} progress:^(NSProgress * _Nonnull uploadProgress) {
// @property int64_t totalUnitCount; 需要下載文件的總大小
// @property int64_t completedUnitCount; 當前已經下載的大小
//打印下上傳進度
NSLog(@"%lf",1.0 *uploadProgress.completedUnitCount / uploadProgress.totalUnitCount);
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
//請求成功
NSLog(@"請求成功：%@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
//請求失敗
NSLog(@"請求失敗：%@",error);
}];
#pragma mark ------- Base64字符串轉UIImage圖片：
//從網絡端解析下來的字符串轉換為圖片顯示
NSData *_decodedImageData = [[NSData alloc] initWithBase64EncodedString:[responseObject[@"items"] objectForKey:@"faceimageurl"]
options:NSDataBase64DecodingIgnoreUnknownCharacters];//NSDataBase64Encoding64CharacterLineLength
UIImage *_decodedImage = [UIImage imageWithData:_decodedImageData];
// NSLog(@"===Decoded image size: %@", NSStringFromCGSize(_decodedImage.size));
self.avatarImageV.image = _decodedImage;
PS:以上全部適用於 iOS7.0+