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我想使用 this 在 pinterest 上发布图像链接，但我根据我自己的要求稍微改变了编码，这是我的 MainClass 代码
- (void)pInterest {
UIImage *myImage;
myImage=imgView.image;
WebViewController *webViewController = [[WebViewController alloc] initWithNibName:@"WebViewController" bundle:nil];
webViewController.mypimage = myImage;
[[[[UIApplication sharedApplication] keyWindow] rootViewController] presentModalViewController:webViewController animated:YES];
}
因此，将图像传递到我的 WebViewController 后，现在我的 WebViewController 类代码是
- (void)viewDidLoad {
//imageview.image=mypimage;
[super viewDidLoad];
NSString *description = @"Post your description here";
// Generate urls for button and image
NSString *sUrl = [NSString stringWithFormat:@"http://d30t6wl9ttrlhf.cloudfront.net/media/catalog/product/Heros/mypimage"];
// NSLog(@"URL:%@", sUrl);
NSString *protectedUrl = (__bridge NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,(__bridge CFStringRef)sUrl, NULL, (CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ",CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));
NSLog(@"Protected URL:%@", protectedUrl);
NSString *imageUrl = [NSString stringWithFormat:@"\"%@\"", sUrl];
NSString *buttonUrl = [NSString stringWithFormat:@"\"http://pinterest.com/pin/create/button/?url=www.flor.com&media=%@&description=%@\"", protectedUrl, description];
NSMutableString *htmlString = [[NSMutableString alloc] initWithCapacity:1000];
[htmlString appendFormat:@"<html> <body>"];
[htmlString appendFormat:@"<p align=\"center\"><a href=%@ class=\"pin-it-button\" count-layout=\"horizontal\"><img border=\"0\" src=\"http://assets.pinterest.com/images/PinExt.png\" title=\"Pin It\" /></a></p>", buttonUrl];
[htmlString appendFormat:@"<p align=\"center\"><img width=\"400px\" height = \"400px\" src=%@></img></p>", imageUrl];
[htmlString appendFormat:@"<script type=\"text/javascript\" src=\"//assets.pinterest.com/js/pinit.js\"></script>"];
[htmlString appendFormat:@"</body> </html>"];
[mywebview setBackgroundColor:[UIColor clearColor]];
[mywebview loadHTMLString:htmlString baseURL:nil];
[mywebview setOpaque:NO];
}
当我使用上面的编码时，我的网页 View 不显示图像，并且我的网页 View 如下所示 
当我将相同的图像实例分配给 WebViewController 中的 ImageView 时，其工作 imageview.image=mypimage;
有人可以告诉我为什么我的 webveiw 不显示图像。谢谢。
最佳答案
使用这段代码……希望对你有帮助。
- (IBAction)pinit:(id)sender {
[self postToPinterest];
}
- (IBAction)closeWebVIew:(id)sender {
[webViewPinterest setHidden:YES];
}
- (NSString*) generatePinterestHTML {
NSString *description = @"Post your description here";
NSURL* sUrl = [NSString stringWithFormat:@"http://4.bp.blogspot.com/-w4oTZjlpgwo/T5_pi-KJPuI/AAAAAAAAAoM/rKm3E0XCbgY/s1600/red_rose_flower3.jpg"];// pass your link here with your image name
NSLog(@"URL:%@", sUrl);
NSString *protectedUrl = ( NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,( CFStringRef)sUrl, NULL, (CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ",CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));
NSLog(@"Protected URL:%@", protectedUrl);
NSString *imageUrl = [NSString stringWithFormat:@"\"%@\"", sUrl];
NSString *buttonUrl = [NSString stringWithFormat:@"\"http://pinterest.com/pin/create/button/?url=www.flor.com&media=%@&description=%@\"", protectedUrl, description];
NSMutableString *htmlString = [[NSMutableString alloc] initWithCapacity:1000];
[htmlString appendFormat:@"<html> <body>"];
[htmlString appendFormat:@"<p align=\"center\"><a href=%@ class=\"pin-it-button\" count-layout=\"horizontal\"><img border=\"0\" src=\"http://assets.pinterest.com/images/PinExt.png\" title=\"Pin It\" /></a></p>", buttonUrl];
[htmlString appendFormat:@"<p align=\"center\"><img width=\"400px\" height = \"400px\" src=%@></img></p>", imageUrl];
[htmlString appendFormat:@"<script type=\"text/javascript\" src=\"//assets.pinterest.com/js/pinit.js\"></script>"];
[htmlString appendFormat:@"</body> </html>"];
return htmlString;
}
- (void) postToPinterest {
NSString *htmlString = [self generatePinterestHTML];
NSLog(@"Generated HTML String:%@", htmlString);
webViewPinterest.backgroundColor = [UIColor clearColor];
webViewPinterest.opaque = NO;
if ([webViewPinterest isHidden]) {
[webViewPinterest setHidden:NO];
}
[webViewPinterest loadHTMLString:htmlString baseURL:nil];
//[webViewPinterest loadHTMLString:@"<img src=images.png>" baseURL:nil];
}
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
return YES;
}
- (void)webViewDidStartLoad:(UIWebView *)webView {
[busyIndicator startAnimating];
}
-(void)webViewDidFinishLoad:(UIWebView *)webView {
[busyIndicator stopAnimating];
}
关于iphone - 如何在 Pinterest 上发布图片？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/14652079/
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