iphone開發

Question

請指導我爲iphone編寫代碼，我想要顯示瀏覽圖像的路徑以及顯示該圖像？

Answer 1

NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; 

NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://www.kitco.com/images/live/silverw.gif"]]; 
if([imageData length] == 0){ 
    /*NSString *imagePath = [[NSString alloc] initWithFormat:@"%@/%@",[[NSBundle mainBundle] resourcePath],@"no_image.png"]; 
    UIImage *image = [[UIImage alloc] initWithContentsOfFile:imagePath]; 
    [item setObject:image forKey:@"itemImage"]; 
    [imagePath release]; 
    [image release];*/ 
} 
else { 
    UIImage *image = [[UIImage alloc] initWithData:imageData]; 

    mChartImageView.frame = CGRectMake(0,0, 600, 300); 
    myScrollView.contentSize = mChartImageView.frame.size; 
    [myScrollView setMinimumZoomScale:-1.0]; 
    [myScrollView setMaximumZoomScale:4.0]; 
    [myScrollView setScrollEnabled:YES]; 
    [myScrollView setContentSize:CGSizeMake(mChartImageView.frame.size.width, mChartImageView.frame.size.height)]; 
    mChartImageView.image = image; 
    [image release]; 
} 
[pool release];