应用错误收集

我知道这个话题已经couple of discussion already，但我在这里尝试不同的方法。我试图首先将一个变量注入Webview，然后尝试通过调用该变量上的方法来获取输出。这是怎么回事：

webview = [[UIWebView alloc] initWithFrame:window.bounds];
[window addSubview:webview];
[webview loadHTMLString:@"<html><head><script>(function() {var myVariable = window.myVariable = {};"
 @"myVariable.getVersion = function() {return 1;}})();"
 @"</script></head></html>"
                baseURL:nil];
webview.delegate = self;

- (void)webViewDidFinishLoad:(UIWebView *)webView {
if ([[webView stringByEvaluatingJavaScriptFromString:@"typeof(myVariable);"] isEqualToString:@"object"]) {
    NSLog(@"version=%@",[webView stringByEvaluatingJavaScriptFromString:@"myVariable.getVersion());"]);
} else {
    NSLog(@"failed the test.");
}

}

输出：版本=

UIWebView stringByEvaluatingJavaScriptFromString返回空字符串

0 个答案: