webview 加载本地html文件

 //拿到html文件

NSString *filePath = [cacheDirPath() stringByAppendingPathComponent:@"www/html/article.html"];

    NSURL *fileUrl = [NSURL fileURLWithPath:filePath];

    NSString *htmlString =[[NSString alloc] initWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil];

    self.titleTimeStr = [self.titleTimeStr stringByReplacingOccurrencesOfString:@"\\" withString:@"\\\\"];

    htmlString = [htmlString stringByReplacingOccurrencesOfString:@"<%% titleTime %%>" withString:self.titleTimeStr];

//替换本地html 内容字段

    htmlString = [htmlString stringByReplacingOccurrencesOfString:@"haha" withString:self.contentStr];

//加载webview文件

    [webView loadHTMLString:htmlString baseURL:fileUrl];