- (void)setupWebView {
WKUserContentController *userContent = [[WKUserContentController alloc] init];
ALYJSHandler *jsHandler = [[ALYJSHandler alloc] init];
[userContent addScriptMessageHandler:jsHandler name:@"jsObj"];
WKWebViewConfiguration *configer = [[WKWebViewConfiguration alloc] init];
NSString *js = @"\
var jsObj = new Object();\
jsObj.notify = function(event,session,data){\
window.webkit.messageHandlers.jsObj.postMessage({'event':event, 'session':session, 'data':data});\
}";
WKUserScript *userScript = [[WKUserScript alloc] initWithSource:js injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:YES];
[userContent addUserScript:userScript];
configer.userContentController = userContent;
configer.preferences = [[WKPreferences alloc] init];
configer.preferences.javaScriptEnabled = YES;
configer.preferences.javaScriptCanOpenWindowsAutomatically = NO;
configer.allowsInlineMediaPlayback = YES;
self.webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) configuration:configer];
[self setWebViewUA];
[self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:URL_BOARD]]];
[self.view addSubview:self.webView];
}
/// js端调用如下
jsObj.notify('a','b','c')
/// oc调用如下
[self.webView evaluateJavaScript:@"jsObj.notify('a','b','c')" completionHandler:nil];
说明: native主动声明js的一个全局变量，并实现注入js的函数，即可正常调用了。
