#import "ViewController.h"

#import <WebKit/WebKit.h>

#import "JavaScriptBridge.h"

@interface ViewController ()<WKNavigationDelegate,WKUIDelegate>

@property (nonatomic, strong) WKWebView *wkWebView;

@property (nonatomic, strong) JavaScriptBridge *bridge;

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self.view addSubview:self.wkWebView];

self.bridge = [JavaScriptBridge bridgeForViewController:self webView:self.wkWebView];

// Do any additional setup after loading the view.

NSString *path = [[NSBundle mainBundle] bundlePath];

NSURL *baseURL = [NSURL fileURLWithPath:path];

NSString * htmlPath = [[NSBundle mainBundle] pathForResource:@"demo"

ofType:@"html"];

NSString * htmlContent = [NSString stringWithContentsOfFile:htmlPath

encoding:NSUTF8StringEncoding

error:nil];

[self.wkWebView loadHTMLString:htmlContent baseURL:baseURL];

}

- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler{

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示" message:message preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"确认" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {

}];

[alertController addAction:cancelAction];

[self presentViewController:alertController animated:YES completion:^{

}];

if(completionHandler)

completionHandler();

}

- (WKWebView *)wkWebView {

if (!_wkWebView) {

_wkWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];

_wkWebView.UIDelegate = self;

_wkWebView.navigationDelegate = self;

_wkWebView.allowsBackForwardNavigationGestures = YES;

}

return _wkWebView;

}