self.viewController.webView stringByEvaluatingJavaScriptFromString不起作用

Question

NSString* jsString = [NSString stringWithFormat:@"alert('ok');"];[self.viewController.webView stringByEvaluatingJavaScriptFromString:jsString];

我是在cordova appdelegate.m中写的！

Answer 1

在cordova-ios@3.x上你应该可以：

[self.webView stringByEvaluatingJavaScriptFromString:jsString];

在cordova-ios @ 4 +上你需要转换Webview类，因为它也支持WKWebView：

if ([self.webView isKindOfClass:[UIWebView class]]) {
    [(UIWebView*)self.webView stringByEvaluatingJavaScriptFromString:jsString];
}

Answer 2

可能想尝试NSString* jsString = [NSString stringWithString:@"alert('ok');"];[self.viewController.webView stringByEvaluatingJavaScriptFromString:jsString]; 或NSString* jsString = @"alert('ok');"[self.viewController.webView stringByEvaluatingJavaScriptFromString:jsString];