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imAgE 转DAtA

您好,很高兴为您解答。 UIImagePNGRepresentationReturns the data for the specified image in PNG formatNSData * UIImagePNGRepresentation ( UIImage *image); 如若满意,请点击右侧【采纳答案】,如若还有问题,请点击【追问】 希望我的回...

UIImage *image = [UIImage imageNamed:@"m2.png"]; NSData *data = UIImagePNGRepresentation(image); 或者 NSData *data =UIImageJPEGRepresentation(image, 1.0);

+ (UIImage *)imageWithData:(NSData *)data; + (UIImage *)imageWithData:(NSData *)data scale:(CGFloat)scale NS_AVAILABLE_IOS(6_0)

+ (UIImage *)imageWithData:(NSData *)data; + (UIImage *)imageWithData:(NSData *)data scale:(CGFloat)scale NS_AVAILABLE_IOS(6_0)

+ (UIImage *)imageWithData:(NSData *)data; + (UIImage *)imageWithData:(NSData *)data scale:(CGFloat)scale NS_AVAILABLE_IOS(6_0)

+ (UIImage *)imageWithData:(NSData *)data; + (UIImage *)imageWithData:(NSData *)data scale:(CGFloat)scale NS_AVAILABLE_IOS(6_0);

+ (UIImage *)imageWithData:(NSData *)data; + (UIImage *)imageWithData:(NSData *)data scale:(CGFloat)scale NS_AVAILABLE_IOS(6_0)

UIImagePNGRepresentation Returns the data for the specified image in PNG format NSData * UIImagePNGRepresentation ( UIImage *image );

function convertImgToBase64(url, callback, outputFormat){ var canvas = document.createElement('CANVAS'), ctx = canvas.getContext('2d'), img = new Image; img.crossOrigin = 'Anonymous'; img.onload = function(){ canvas.height = im...

把图片内容就是src部分传到后台,保存即可。 $img_content // 图片内容if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $img_content, $result)){ $type = $result[2]; $new_file = "./test.{$type}"; if (file_put_contents($new_file, ba...

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