Ios-javascript value to Wkwebview

First, the local code needs to operate

1. Create Viewcontroller and comply with the agreement

@interface ViewController ()<WKNavigationDelegate,WKScriptMessageHandler,WKUIDelegate>

2, Registered Scriptmessagehandler

WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];[configuration.userContentController addScriptMessageHandler:self name:@"Redirect"];self.secondWebView = [[[WKWebView alloc] initWithFrame:self.view.bounds configuration:configuration] autorelease];

3, the implementation of Wkscriptmessagehandler protocol agent method

(void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message{    NSLog(@"message====%@",message);}

Second, JavaScript code

1, with Wkwebview load h5 page trigger JS code as follows

var message = native;window.webkit.messageHandlers.Redirect.postMessage(message)

Third, after the implementation of the JS code, the local agent method will be heard JS transmitted data, the console output

message====native

Summarize:

1, Swift implementation process: Http://www.cocoachina.com/swift/20150907/13356.html

2, the local registered Scriptmessagehandler and JS inside Window.webkit.messageHandlers. The name behind is to be consistent.

eg.//这两句代码同为：Redirect[configuration.userContentController addScriptMessageHandler:self name:@"Redirect"];window.webkit.messageHandlers.Redirect.postMessage(message)

Ios-javascript value to Wkwebview