WKWebView 网络权限

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解决方案：
info.plist ->添加字段App Transport Security Settings ->在该字典中添加键值Allow Arbitrary Loads，并设置值为YES。

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• 问题所在源码

#import "DetailViewController.h"
#import "WebKit/WebKit.h"

@interface DetailViewController ()
@property (nonatomic, strong) WKWebView *webView;

@end

@implementation DetailViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.webView = [[WKWebView alloc] initWithFrame:self.view.frame];
    [self.view addSubview:self.webView];
    self.webView.navigationDelegate = self;
    
    NSURL *url = [NSURL URLWithString:self.url];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    [self.webView loadRequest:request];
    
    
    
}

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

#pragma mark --实现WKNavigationDelegate委托方法
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation{
    NSLog(@"开始加载");
}

- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation{
    NSLog(@"内容开始返回");
}

- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{
    NSLog(@"加载完成");
}

- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error{
    NSLog(@"加载失败 error :  %@", error.description);
}



@end