UIWebView加载本地文件

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NSString *htmlPath = @"addComment.html";NSString *encodedPath = [htmlPath stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];    NSString *urlStr = nil;    if (self.itemId == 0) {        urlStr = [NSString stringWithFormat:@"file://%@", encodedPath];    }    else {        urlStr = [NSString stringWithFormat:@"file://%@?userId=%@", encodedPath, self.itemId];    }    NSURL *url = [NSURL URLWithString:urlStr];    NSURLRequest *request= [NSURLRequest requestWithURL:url];    [webView loadRequest:request];

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