#import "HMViewController.h"

@interface HMViewController () <UIWebViewDelegate>

@end

@implementation HMViewController

- (void)viewDidLoad

{

    [super viewDidLoad];

    // 1.webView

    UIWebView *webView = [[UIWebView alloc] init];

    webView.frame = self.view.bounds;

    webView.delegate = self;

    [self.view addSubview:webView];

    // 2.加载网页

    NSURL *url = [[NSBundle mainBundle] URLForResource:@"test" withExtension:@"html"];

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    [webView loadRequest:request];

}

#pragma mark - UIWebViewDelegate

- (void)webViewDidFinishLoad:(UIWebView *)webView

{

}

/**

 *  webView每当发送一个请求之前，都会先调用这个方法（能拦截所有请求）

 */

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType

{

    NSString *url = request.URL.absoluteString;

    NSRange range = [url rangeOfString:@"hm://"];

    NSUInteger loc = range.location;  //位置

    if (loc != NSNotFound) { // url的协议头是hm

        // 方法名

        NSString *method = [url substringFromIndex:loc + range.length];

        // 转成SEL

        SEL sel = NSSelectorFromString(method);// method = “call” 或  ”openCamera“

        [self performSelector:sel withObject:nil];

    }

    return YES;

}

/**

 *  打电话

 */

- (void)call

{

    NSLog(@"call----");

}

/**

 *  打开照相机

 */

- (void)openCamera

{

    NSLog(@"openCamera----");

}

@end