UI中的网页加载-创新互联
- (void)viewDidLoad {
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// Do any additional setup after loading the view.
self.title = @"图片新闻";
//新建网页视图
webView = [[UIWebView alloc]initWithFrame:self.view.bounds];
//网页视图自适应屏幕尺寸
webView.scalesPageToFit = YES;
//设置代理
webView.delegate = self;
[self.view addSubview:webView];
//加载百度
// //创建request对象
// NSMutableURLRequest *mResquest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://www.baidu.com"]];
// //网页控件加载一个
// [webView loadRequest:mResquest];
//初始化风火轮
UIActivityIndicatorView *ac = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
UIBarButtonItem *rightItem = [[UIBarButtonItem alloc]initWithCustomView:ac];
self.navigationItem.rightBarButtonItem = rightItem;
[self _loadData];
}
- (void)_loadData{
NSString *filePath = [[NSBundle mainBundle]pathForResource:@"news" ofType:@"html"];
NSError *error = nil;
NSString *str = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:&error];
NSDictionary *jsonData = [ReturnJson showJson:news_detail];
NSString *title = [jsonData objectForKey:@"title"];
NSString *source = [jsonData objectForKey:@"source"];
NSString *time = [jsonData objectForKey:@"time"];
NSString *author = [jsonData objectForKey:@"author"];
NSString *content = [jsonData objectForKey:@"content"];
NSString *htmlStr = [NSString stringWithFormat:str,title,source,time,content,author];
[webView loadHTMLString:htmlStr baseURL:nil];
}
#pragma mark-UIWebViewDelegate
//开始加载
- (void)webViewDidStartLoad:(UIWebView *)webView{
UIActivityIndicatorView *ac = (UIActivityIndicatorView *)self.navigationItem.rightBarButtonItem;
[ac startAnimating];
}
//结束加载
- (void)webViewDidFinishLoad:(UIWebView *)webView{
UIActivityIndicatorView *ac = (UIActivityIndicatorView *)self.navigationItem.rightBarButtonItem;
[ac stopAnimating];
}
//加载出错
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
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分享题目:UI中的网页加载-创新互联
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