iOS 原生调用 weex

_instance = [[WXSDKInstance alloc] init];
    _instance.frame = CGRectMake(0.0f, YH_NAVIGATIONBAR_HEIGHT, self.view.bounds.size.width, self.view.bounds.size.height - YH_NAVIGATIONBAR_HEIGHT);
    _instance.pageObject = self;
    _instance.pageName = sourceURL.absoluteString;
    _instance.viewController = self;
    
    NSString *newURL = nil;
    
    if ([sourceURL.absoluteString rangeOfString:@"?"].location != NSNotFound) {
        newURL = [NSString stringWithFormat:@"%@&random=%d", sourceURL.absoluteString, arc4random()];
    } else {
        newURL = [NSString stringWithFormat:@"%@?random=%d", sourceURL.absoluteString, arc4random()];
    }
    NSMutableDictionary *dictConfig = [NSMutableDictionary dictionaryWithDictionary:[YHWeexManager commmonConfigInfo]];
    [dictConfig setObject:sourceURL.absoluteString forKey:@"bundleUrl"];
    
    if (self.param) {
        [self.param enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
            [dictConfig setObject:obj forKey:key];
        }];
    }
//    weex.config.qrCode 关键在这
    [_instance renderWithURL:[NSURL URLWithString:newURL] options:dictConfig data:nil];
    
    __weak typeof(self) weakSelf = self;
    _instance.onCreate = ^(UIView *view) {
        [weakSelf.weexView removeFromSuperview];
        weakSelf.weexView = view;
        [weakSelf.view insertSubview:view atIndex:0];
    };
    
    _instance.onFailed = ^(NSError *error) {
        
    };
    
    _instance.renderFinish = ^(UIView *view) {
        [weakSelf _updateInstanceState:WeexInstanceAppear];
    };_instance = [[WXSDKInstance alloc] init];
    _instance.frame = CGRectMake(0.0f, YH_NAVIGATIONBAR_HEIGHT, self.view.bounds.size.width, self.view.bounds.size.height - YH_NAVIGATIONBAR_HEIGHT);
    _instance.pageObject = self;
    _instance.pageName = sourceURL.absoluteString;
    _instance.viewController = self;
    
    NSString *newURL = nil;
    
    if ([sourceURL.absoluteString rangeOfString:@"?"].location != NSNotFound) {
        newURL = [NSString stringWithFormat:@"%@&random=%d", sourceURL.absoluteString, arc4random()];
    } else {
        newURL = [NSString stringWithFormat:@"%@?random=%d", sourceURL.absoluteString, arc4random()];
    }
    NSMutableDictionary *dictConfig = [NSMutableDictionary dictionaryWithDictionary:[YHWeexManager commmonConfigInfo]];
    [dictConfig setObject:sourceURL.absoluteString forKey:@"bundleUrl"];
    
    if (self.param) {
        [self.param enumerateKeysAndObjectsUsingBlock:^(id  _Nonnull key, id  _Nonnull obj, BOOL * _Nonnull stop) {
            [dictConfig setObject:obj forKey:key];
        }];
    }
//    weex.config.qrCode
    [_instance renderWithURL:[NSURL URLWithString:newURL] options:dictConfig data:nil];
    
    __weak typeof(self) weakSelf = self;
    _instance.onCreate = ^(UIView *view) {
        [weakSelf.weexView removeFromSuperview];
        weakSelf.weexView = view;
        [weakSelf.view insertSubview:view atIndex:0];
    };
    
    _instance.onFailed = ^(NSError *error) {
        
    };
    
    _instance.renderFinish = ^(UIView *view) {
        [weakSelf _updateInstanceState:WeexInstanceAppear];
    };