第五章 Interface Builder

XIB就是NIB,说白了会为你拖拽的东西生成个XML文件，这里开始做练习了，一个远程访问一个花网站的xib小demo

源码我放到优快云了，http://download.youkuaiyun.com/detail/blueboyhi/4527188

//主要代码我贴到这里吧

#import "DemoViewController.h"

@interface DemoViewController ()

@end

@implementation DemoViewController

@synthesize colorChoice;

@synthesize chosedColor;

@synthesize flowerView;

- (IBAction)getFlower:(id)sender {

    NSURL *imageURL;

    NSString *imageURLString;

    NSString *color;

    int sessionID;

    

    //取得分段控制选的颜色

    color = [colorChoice titleForSegmentAtIndex:colorChoice.selectedSegmentIndex];

    //弄个随机数

    sessionID = random() % 10000;

    

    //为label赋值

    chosedColor.text = color;

    

    //拼接请求路径

    imageURLString = [[NSStringalloc]initWithFormat:@"http://www.floraphotographs.com/showrandomiphone.php?color=%@&session=%d",color,sessionID];

    

    //NSURL

    imageURL = [[NSURL alloc]initWithString:imageURLString];

    

    NSLog(@"%@",imageURL);

    

    //开始做请求

    [flowerView loadRequest:[NSURLRequestrequestWithURL:imageURL]];

    

    [imageURLString release];

    [imageURL release];

    

    

}

- (void)viewDidLoad

{

    [superviewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

}

- (void)viewDidUnload

{

    [selfsetColorChoice:nil];

    [selfsetChosedColor:nil];

    [selfsetFlowerView:nil];

    [superviewDidUnload];

    // Release any retained subviews of the main view.

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    return (interfaceOrientation !=UIInterfaceOrientationPortraitUpsideDown);

}

- (void)dealloc {

    [colorChoice release];

    [chosedColor release];

    [flowerView release];

    [super dealloc];

}

@end