h5 与app交互

http://www.jianshu.com/p/7151987f012d

JSContext *context = [self.webView valueForKeyPath:@"documentView.webView.mainFrame.javaScriptContext"];
    JSTextObject * jsiOSObject = [JSTextObject new];
    context[@"jsTextObject"] = jsiOSObject;

    NSString *jsStr1=@"jsTextObject.CalliOSFunction()";
    JSValue *value1 = [context evaluateScript:jsStr1];
    DDLogInfo(@"the value 1 is %@", value1);

    NSString *jsStr2=@"jsTextObject.CalliOSFunctionParamter('hello')";
    JSValue *value2 = [context evaluateScript:jsStr2];
    DDLogInfo(@"the value 1 is %@", value2);

    context[@"test1"] = ^() {
        NSArray *args = [JSContext currentArguments];
        for (id obj in args) {
            NSLog(@"test1 %@",obj);
        }
    };

    context[@"share"] = ^() {
        NSLog(@"+++++++Begin Log+++++++");
        NSArray *args = [JSContext currentArguments];

//        dispatch_async(dispatch_get_main_queue(), ^{
//            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"方式二" message:@"这是OC原生的弹出窗" delegate:self cancelButtonTitle:@"收到" otherButtonTitles:nil];
//            [alertView show];
//        });

        NSString *title = @"";
        for (JSValue *jsVal in args) {
            if ([title isEqualToString:@""]) {
                title = jsVal.toString;
            }
            NSLog(@"%@", jsVal.toString);
        }

        dispatch_async(dispatch_get_main_queue(), ^{
            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"方式二" message:title delegate:self cancelButtonTitle:@"收到" otherButtonTitles:nil];
            [alertView show];
        });

        NSLog(@"-------End Log-------");
    };