ios中UIAlertView控件的使用

    - (void)initCheckVersionWithData:(NSData *)data
    {
    NSData *xmlData = data;
    NSString *result = [[NSString alloc] initWithData:xmlData encoding:NSUTF8StringEncoding];
    NSLog(@"result:%@",result);
    GetCheckVersion *parser = [[GetCheckVersion alloc] initWithXMLData:xmlData];
    [parser parse];
    NSString *status = parser.tempResult.status;
    NSLog(@"status:%@",status);
    if ([@"201" isEqualToString:status]) {
    NSLog(@"版本不需要更新，OK");
    }
    else if ([@"200" isEqualToString:status]) {
    UIAlertView * alertview = [[UIAlertView alloc] initWithTitle:@"提示" message:@"是否更新版本" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil];
    [alertview show];
    [alertview release];
    alertview = nil;
    }
    }
    - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
    {
    NSString *msg = [[NSString alloc] initWithFormat:@"您點(diǎn)擊的是第%d個(gè)按鈕!",buttonIndex];
    NSLog(@"msg:%@",msg);
    if (buttonIndex == 0) {
    return;
    }else if(buttonIndex == 1){
    [httpClient getUpdateVersion];
    }
    }