iOS webview的请求数据

-(NSURLRequest *)readUrlData
{
    NSURL *url = [[NSURL alloc]initWithString:stringUrl];
    NSURLRequest *request =  [[NSURLRequest alloc] initWithURL:url];
    return request;
}

-(void)readData
{
    ReadUrlData *readUrlData=[[ReadUrlData alloc]init:@"http://smartbox.gtimg.cn/s3/?q=600&t=all"];
    NSURLRequest *request =[readUrlData readUrlData];
    [webview loadRequest:request];
}

- (void)webViewDidStartLoad:(UIWebView *)webView//webview的代理方法
{
//加载开始
}

- (void)webViewDidFinishLoad:(UIWebView *)webView //webview的代理方法
{
    NSString *bodyUnicode = [webview stringByEvaluatingJavaScriptFromString:@"document.body.innerText"];
   // NSLog(@"=====%@",bodyUnicode);
    NSString *bodyUtf=[self replaceUnicode:bodyUnicode];
   // NSLog(@"%@",bodyUtf);
    [self cutOut:bodyUtf];
}