# js調用ios方法
## ios
~~~objectivec
// js配置
WKUserContentController *userContentController = [[WKUserContentController alloc] init];
//需要JS調用iOS 原生的方法，都要添加到這里
[userContentController addScriptMessageHandler:self name:@"finishHandle"];
// WKWebView的配置
WKWebViewConfiguration *configuration = [[WKWebViewConfiguration alloc] init];
configuration.userContentController = userContentController;
// 顯示WKWebView
self.webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, ScreenWidth, ScreenHeight-NavitionbarHeight) configuration:configuration];
self.webView.UIDelegate = self; // 設置WKUIDelegate代理
[self.view addSubview:self.webView];
~~~
## js
``` js
window.webkit.messageHandlers.finishHandle.postMessage('哈哈');
```
