怎么用WebView加载本地html

UIWebView加载工程本地网页与本地图片
- (void)viewDidLoad
{
[super viewDidLoad];
NSString *filePath = [[NSBundle mainBundle]pathForResource:@"1" ofType:@"html"];
NSString *htmlString = [NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];
myWebView = [[UIWebView alloc] initWithFrame:self.view.bounds];
myWebView.delegate = self;
[self.view addSubview:myWebView];
[myWebView loadHTMLString:htmlString baseURL:[NSURL URLWithString:filePath]];

}
-(void)webViewDidFinishLoad:(UIWebView *)webView
{
NSString *imagePath = [[NSBundle mainBundle] resourcePath];
imagePath = [imagePath stringByReplacingOccurrencesOfString:@"/" withString:@"//"];
imagePath = [imagePath stringByReplacingOccurrencesOfString:@" " withString:@"%20"];
NSString * js = [NSString stringWithFormat:@"document.images[0].src='file:/%@//%@'",imagePath,@"icon-04.png"];

[myWebView stringByEvaluatingJavaScriptFromString:js];
NSString *path = [myWebView stringByEvaluatingJavaScriptFromString:@"document.images[0].src"];
NSLog(@"path:%@", path);
}