YYXC_Student/jiaPei/MyWebViewVC.m

//
//  MyWebViewVC.m
//  jiaPei
//
//  Created by EchoShacolee on 2018/9/5.
//  Copyright © 2018年 JCZ. All rights reserved.
//

#import "MyWebViewVC.h"
#import <WebKit/WebKit.h>

@interface MyWebViewVC ()<WKNavigationDelegate>
@property(nonatomic,strong)WKWebView *webView;

@end

@implementation MyWebViewVC
- (void)viewDidLoad {
    [super viewDidLoad];
    [self.view addSubview:self.webView];
    
    //返回按钮
    UIImage *backImg = [[UIImage imageNamed:@"scanBack"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    UIBarButtonItem *leftItem = [[UIBarButtonItem alloc]initWithImage:backImg style:UIBarButtonItemStylePlain target:self action:@selector(goBack)];
    self.navigationItem.leftBarButtonItem = leftItem;
    
    //开始加载
    if (!_urlString || _urlString.length == 0) {
        return;
    }
    if (![Util connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    [MBProgressHUD showLoadToView:self.view];
    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:_urlString]];
    [self.webView loadRequest:request];
}

-(void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    self.tabBarController.tabBar.hidden = YES;
}

-(void)goBack
{
    [self.navigationController popViewControllerAnimated:YES];
}

-(WKWebView *)webView{
    if (!_webView) {
        WKWebView *view = [[WKWebView alloc] initWithFrame:kFrame];
        view.navigationDelegate = self;
        _webView = view;
    }
    return _webView;
}

#pragma mark -
// 页面加载失败时调用
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error{
    
    [MBProgressHUD hideHUDForView:self.view];
}

// 页面加载完毕时调用
- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation{
    
    [MBProgressHUD hideHUDForView:self.view];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end