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ios学习第五天（二）给页面中的view添加子view，上一篇文章已经对ios页面进行了说明，接下来就是使用页面，给页面中添加子控件，在上面两篇创建的项目中，进行些许修改，成了现在的。先看效果：
效果：
代码：
修改viewcontroller
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//
// viewcontroller.m
// helloios
//
// created by moluth on 17/4/10.
// copyright (c) 2017年 moluth. all rights reserved.
//
#import "viewcontroller.h"
@interface viewcontroller ()
@end
@implementation viewcontroller
- (void)viewdidload {
[super viewdidload];
self.view.backgroundcolor=[[uicolor alloc] initwithred:0.3f green:0.35f blue:0.85f alpha:1.0f];
uiview *view1=[[uiview alloc] initwithframe:cgrectmake(0, 0, 100, 100)]//创建view ，view是矩形，0，0表示左上角坐标，后面的100，100代表宽高
view1.backgroundcolor=[[uicolor alloc] initwithred:0.88f green:0.66f blue:0.11f alpha:0.8f];//给新创建的view设置背景颜色，便于观察
[self.view addsubview:view1];//向viewcontroller中的view中添加子view
//下面代码都是对上面的复制和修改，仅仅是坐标和颜色不同
uiview *view2=[[uiview alloc] initwithframe:cgrectmake(30, 30, 100, 100)];
view2.backgroundcolor=[[uicolor alloc] initwithred:1.0f green:0.0f blue:0.6f alpha:0.8f];
[self.view addsubview:view2];
uiview *view3=[[uiview alloc] initwithframe:cgrectmake(60, 60, 100, 100)];
view3.backgroundcolor=[[uicolor alloc] initwithred:1.0f green:1.0f blue:0.6f alpha:0.8f];
[self.view addsubview:view3];
uiview *view4=[[uiview alloc] initwithframe:cgrectmake(90, 90, 100, 100)];
view4.backgroundcolor=[[uicolor alloc] initwithred:0.0f green:1.0f blue:0.0f alpha:0.8f];
[self.view addsubview:view4];
//self.view
// do any additional setup after loading the view, typically from a nib.
}
- (void)didreceivememorywarning {
[super didreceivememorywarning];
// dispose of any resources that can be recreated.
}
@end
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