做出点一个控件然后他和他上下左右的4个控件一起变色。
#import "ViewController.h" @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; //每个方块的高度和宽度 CGFloat width=50 ; CGFloat height=50; //列数 int lie=5; //一行之中的方块间隙 CGFloat Xjianxi=(self.view.frame.size.width-width*lie)/(lie +1); //一列之中的方块间隙 CGFloat Yjianxi=30; self.number=1; //循环, for (int i=0; i<45; i++) { int hangshu=i/lie; int lieshu=i%lie; self.butn=[[UIButton alloc]initWithFrame:CGRectMake(Xjianxi+lieshu*(Xjianxi+width), Yjianxi+hangshu*(height+Yjianxi), width, height)]; self.butn.backgroundColor=[UIColor blueColor]; self.view.tag=100; [self.butn addTarget:self action:@selector(Discoloration:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:self.butn]; self.butn.tag=self.number++; } } -(void)change { if (self.backgroundColor==[UIColor redColor]) { self.backgroundColor=[UIColor blueColor]; } else{ self.backgroundColor=[UIColor redColor]; } } -(void)Discoloration:(UIButton*)btn { // [[self.view viewWithTag:btn.tag] change]; // [[self.view viewWithTag:btn.tag-1] change]; // [[self.view viewWithTag:btn.tag+1] change]; // [[self.view viewWithTag:btn.tag+5] change]; // [[self.view viewWithTag:btn.tag-5]change]; self.butn=btn; if (self.butn.tag==1) { [[self.view viewWithTag:btn.tag ] change]; [[self.view viewWithTag:btn.tag+1] change]; [[self.view viewWithTag:btn.tag+5] change]; } else if(self.butn.tag==5) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-1] change]; [[self.view viewWithTag:btn.tag+5] change]; } else if(self.butn.tag==41) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-5] change]; [[self.view viewWithTag:btn.tag+1] change]; } else if(self.butn.tag==45) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-1] change]; [[self.view viewWithTag:btn.tag-5] change]; } else if(self.butn.tag%5==1) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-5] change]; [[self.view viewWithTag:btn.tag+1] change]; [[self.view viewWithTag:btn.tag+5] change]; } else if(self.butn.tag%5==0) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-5] change]; [[self.view viewWithTag:btn.tag-1] change]; [[self.view viewWithTag:btn.tag+5] change]; } else if(self.butn.tag%5==1) { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-5] change]; [[self.view viewWithTag:btn.tag+1] change]; [[self.view viewWithTag:btn.tag-5] change]; } else { [[self.view viewWithTag:btn.tag] change]; [[self.view viewWithTag:btn.tag-1] change]; [[self.view viewWithTag:btn.tag+1] change]; [[self.view viewWithTag:btn.tag-5] change]; [[self.view viewWithTag:btn.tag+5] change]; } } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end