iPhone 编程常用代码

１、WebView显示Html。

[WebView setOpaque:NO];
    [WebView setBackgroundColor:[UIColor clearColor]];
    NSString* gifFileName = @"j_0002.gif";
    NSMutableString* htmlStr = [NSMutableString string];
    [htmlStr appendString:@"Hello Honey"];
    [htmlStr appendString:@"<p><img src=\""];
    [htmlStr appendFormat:@"%@",gifFileName];
    [htmlStr appendString:@"\" alt=\"picture\"/>"];
    [WebView loadHTMLString:htmlStr baseURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]]]; 

 2、Convert date string to date object

NSDateFormatter *inputFormatter = [[NSDateFormatter alloc] init];
[inputFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
NSDate *formatterDate = [inputFormatter dateFromString:@"2010-01-08T08:09:20Z"];