使用代码:可直接粘贴到自己项目中使用

.h

#import "BaseViewController.h"@interface LinkNewsController : BaseViewController/** 新闻链接 */@property (nonatomic, strong) NSString *link;@end

.m

#import 
      
       #import "MBProgressHUD.h"@interface LinkNewsController ()
       
        {
          //蒙版    MBProgressHUD *_MB;}//网页视图@property (nonatomic, strong) WKWebView *WKWebView;@end@implementation LinkNewsController#pragma mark - 懒载入-(WKWebView *)WKWebView{    if (_WKWebView == nil) {        _WKWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 64, kScreenWidth, kScreenHeight-64)];        NSLog(@"网页链接-->link:%@",self.link);        NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:self.link]];        [_WKWebView setNavigationDelegate:self];        [_WKWebView loadRequest:request];    }    return _WKWebView;}#pragma mark - 视图载入- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    [self.view addSubview:self.WKWebView];}#pragma mark - WKNavigationDelegate//開始载入-(void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{    NSLog(@"didStartProvisionalNavigation");    _MB = [MBProgressHUD showHUDAddedTo:self.navigationController.view animated:YES];    [_MB setMode:MBProgressHUDModeIndeterminate];    [_MB setLabelText:@"loading..."];}//载入成功-(void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{    NSLog(@"didFinishNavigation__");    [_MB hide:YES];}//载入失败-(void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error{    NSLog(@"");    [_MB hide:YES];}
       
      

UIWebView 和 WKWebView 的差别

WKWebView 更快（占用内存可能仅仅有 UIWebView 的1/3~1/4），没有缓存。更为仔细地拆分了 UIWebViewDelegate 中的方法。

WKWebView 是轻量级的 UIWebView。