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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 ()<WKNavigationDelegate>
@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
