IOS——OCWebView基本方法

#import "ZDBaseViewController.h"

NS_ASSUME_NONNULL_BEGIN

@interface ZDWebViewViewController : ZDBaseViewController

@end

NS_ASSUME_NONNULL_END

#import "ZDWebViewViewController.h"
 #import <WebKit/WebKit.h>
@interface ZDWebViewViewController ()<WKUIDelegate,WKNavigationDelegate>
@property(nonatomic,strong)WKWebView *wkWebView;
@end

@implementation ZDWebViewViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    //将网页视图添加到当前视图上
    [self.view addSubview:self.wkWebView];
    //masonry适配当前视图
    [self.wkWebView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self.view);
    }];
    [self loadRequest];
}

//加载网址
- (void)loadRequest{
    NSString *urlStr = [NSString stringWithFormat:@"https://www.baidu.com"];
    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[NSURL URLWithString:urlStr]];
    [self.wkWebView loadRequest:request];
}
//初始化网页视图
- (WKWebView *)wkWebView{
    if (!_wkWebView) {
        _wkWebView = [[WKWebView alloc] init];
        _wkWebView.navigationDelegate = self;
    }
    return _wkWebView;
}

// 页面开始加载时调用
- (void)webView:(WKWebView *)webView didStartProvisionalNavigation:(WKNavigation *)navigation {
}
// 页面加载失败时调用
- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error {
  
}
// 当内容开始返回时调用
- (void)webView:(WKWebView *)webView didCommitNavigation:(WKNavigation *)navigation {
}
// 页面加载完成之后调用
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
//    [self getCookie];
}

// 接收到服务器跳转请求之后调用
- (void)webView:(WKWebView *)webView didReceiveServerRedirectForProvisionalNavigation:(WKNavigation *)navigation{
    
}
// 在收到响应后，决定是否跳转
- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler{
    
    NSLog(@"%@",navigationResponse.response.URL.absoluteString);
    //允许跳转
    decisionHandler(WKNavigationResponsePolicyAllow);
    //不允许跳转
    //decisionHandler(WKNavigationResponsePolicyCancel);
}
// 在发送请求之前，决定是否跳转
- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{
    
    NSLog(@"%@",navigationAction.request.URL.absoluteString);
    //允许跳转//打印出
    decisionHandler(WKNavigationActionPolicyAllow);
    //不允许跳转
    //decisionHandler(WKNavigationActionPolicyCancel);
}
@end