UIWebView中Html中用JS调用OC方法及OC执行JS代码

时间：2015-06-05 19:07:08 阅读：126 评论：0 收藏：0 [点我收藏+]

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HTML代码：

<html>

<head>

<title>HTML中用JS调用OC方法</title>

function test()

{

alert("test alert...");

return "abcd";

}

</script>

<body>

<br/>

</body>

</html>

#OBJECT-C

[objc] view plain copy

-(BOOL)webView:(UIWebView*)webView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType
{
NSString
*urlstr = request.URL.absoluteString;
NSRange
range = [urlstr
rangeOfString:@"ios://"];
if
(range.length!=0)
{
NSString
*method = [urlstr
substringFromIndex:(range.location+range.length)];
SEL
selctor = NSSelectorFromString(method);
[self
performSelector:selctor
withObject:nil];
}
return
YES;
}
-(void)openMyAlbum
{
UIImagePickerController
*vc = [[UIImagePickerController
alloc]init];
vc.sourceType
= UIImagePickerControllerSourceTypePhotoLibrary;
[self
presentViewController:vc
animated:YES
completion:nil];
}
-(void)openMyCamera
{
[_webView stringByEvaluatingJavaScriptFromString:@"test();"];
return;
UIImagePickerController
*vc = [[UIImagePickerController
alloc]init];
vc.sourceType
= UIImagePickerControllerSourceTypeCamera;
[self
presentViewController:vc
animated:YES
completion:nil];
}
- (void)viewDidLoad {
[super viewDidLoad];
_webView = [[UIWebView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:_webView];
NSString *path = [[NSBundle mainBundle] pathForResource:@"test.html" ofType:nil];
NSURL *url = [NSURL fileURLWithPath:path];
NSURLRequest *req = [[NSURLRequest alloc] initWithURL:url];
_webView.delegate = self;
_webView.dataDetectorTypes = UIDataDetectorTypeAll;
[_webView loadRequest:req];
// Do any additional setup after loading the view, typically from a nib.
}

原文出处：http://blog.csdn.net/zttjhm/article/details/43304329

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原文地址：http://www.cnblogs.com/gaohe/p/4555192.html

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