用UIWebView显示doc文件

UIWebView *webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 55, 320, 300)];    webView.delegate = self;    webView.multipleTouchEnabled = YES;    webView.scalesPageToFit = YES;    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);    NSString *documentsDirectory = [paths objectAtIndex:0];    NSString *docPath = [documentsDirectory stringByAppendingString:@"/doc2003_1.doc"];    NSLog(@"#######%@",docPath);        NSURL *url = [NSURL fileURLWithPath:docPath];    NSURLRequest *request = [NSURLRequest requestWithURL:url];    [webView loadRequest:request];        [self.view addSubview:webView];    [webView release];