ios 加载本地文件NSURLRequest

    // 1.第一种方式,使用loadRequest:方法加载本地文件NSURLRequest
    NSString* path = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"];
    NSURL* url = [NSURL fileURLWithPath:path];
    NSURLRequest* request = [NSURLRequest requestWithURL:url];
    [self.webView loadRequest:request];

    //2.第二种方式,使用loadHTMLString:baseURL:加载HTML字符串
    NSURL *baseURL = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
    NSString *path = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"];
    NSString *html = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
    [self.webView loadHTMLString:html baseURL:baseURL];