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//
// zyAppDelegate.h
// Calculator
//
// Created by nimami on 15/7/20.
// Copyright (c) 2015年 zhiyou. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface zyAppDelegate : UIResponder <UIApplicationDelegate>
{
int a,b,c;
NSString * a1;
UILabel * _TF;
}
@property (strong, nonatomic) UIWindow *window;
@end
//
// zyAppDelegate.m
// Calculator
//
// Created by nimami on 15/7/20.
// Copyright (c) 2015年 zhiyou. All rights reserved.
//
#import "zyAppDelegate.h"
@implementation zyAppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
UIImageView * view = [[UIImageView alloc]initWithFrame:CGRectMake(0,0, 320, 480)];
view.image = [UIImage imageNamed:@"3.jpg"];
[self.window addSubview:view];
//标题
UILabel * label0 = [[UILabel alloc]initWithFrame:CGRectMake(130, 70, 150, 30)];
label0.text = @"计算器";
[self.window addSubview:label0];
//用于显示的label
_TF = [[UILabel alloc]initWithFrame:CGRectMake(60, 130, 190, 30)];
_TF.backgroundColor = [UIColor lightGrayColor];
[self.window addSubview:_TF];
//按钮
UIButton * button1 = [[UIButton alloc]initWithFrame:CGRectMake(60, 180, 40, 40)];
button1.backgroundColor = [UIColor purpleColor];
[button1 setTitle:@"1" forState:UIControlStateNormal];
[button1 addTarget:self action:@selector(one) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button1];
UIButton * button2 = [[UIButton alloc]initWithFrame:CGRectMake(110, 180, 40, 40)];
button2.backgroundColor = [UIColor purpleColor];
[button2 setTitle:@"2" forState:UIControlStateNormal];
[button2 addTarget:self action:@selector(two) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button2];
UIButton * button3 = [[UIButton alloc]initWithFrame:CGRectMake(160, 180, 40, 40)];
button3.backgroundColor = [UIColor purpleColor];
[button3 setTitle:@"3" forState:UIControlStateNormal];
[button3 addTarget:self action:@selector(three) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button3];
UIButton * sum = [[UIButton alloc]initWithFrame:CGRectMake(210, 180, 40, 40)];
sum.backgroundColor = [UIColor purpleColor];
[sum setTitle:@"+" forState:UIControlStateNormal];
[sum addTarget:self action:@selector(add) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:sum];
UIButton * button4 = [[UIButton alloc]initWithFrame:CGRectMake(60, 230, 40, 40)];
button4.backgroundColor = [UIColor purpleColor];
[button4 setTitle:@"4" forState:UIControlStateNormal];
[button4 addTarget:self action:@selector(four) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button4];
UIButton * button5 = [[UIButton alloc]initWithFrame:CGRectMake(110, 230, 40, 40)];
button5.backgroundColor = [UIColor purpleColor];
[button5 setTitle:@"5" forState:UIControlStateNormal];
[button5 addTarget:self action:@selector(five) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button5];
UIButton * button6 = [[UIButton alloc]initWithFrame:CGRectMake(160, 230, 40, 40)];
button6.backgroundColor = [UIColor purpleColor];
[button6 setTitle:@"6" forState:UIControlStateNormal];
[button6 addTarget:self action:@selector(six) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button6];
UIButton * sub = [[UIButton alloc]initWithFrame:CGRectMake(210, 230, 40, 40)];
sub.backgroundColor = [UIColor purpleColor];
[sub setTitle:@"-" forState:UIControlStateNormal];
[sub addTarget:self action:@selector(sub) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:sub];
UIButton * button7 = [[UIButton alloc]initWithFrame:CGRectMake(60,280 , 40, 40)];
button7.backgroundColor = [UIColor purpleColor];
[button7 setTitle:@"7" forState:UIControlStateNormal];
[button7 addTarget:self action:@selector(seven) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button7];
UIButton * button8 = [[UIButton alloc]initWithFrame:CGRectMake(110, 280, 40, 40)];
button8.backgroundColor = [UIColor purpleColor];
[button8 setTitle:@"8" forState:UIControlStateNormal];
[button8 addTarget:self action:@selector(eight) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button8];
UIButton * button9 = [[UIButton alloc]initWithFrame:CGRectMake(160, 280, 40, 40)];
button9.backgroundColor = [UIColor purpleColor];
[button9 setTitle:@"9" forState:UIControlStateNormal];
[button9 addTarget:self action:@selector(nine) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button9];
UIButton * mul = [[UIButton alloc]initWithFrame:CGRectMake(210, 280, 40, 40)];
mul.backgroundColor = [UIColor purpleColor];
[mul setTitle:@"*" forState:UIControlStateNormal];
[mul addTarget:self action:@selector(mul) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:mul];
UIButton * button0 = [[UIButton alloc]initWithFrame:CGRectMake(60,330 , 40, 40)];
button0.backgroundColor = [UIColor purpleColor];
[button0 setTitle:@"0" forState:UIControlStateNormal];
[button0 addTarget:self action:@selector(ling) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:button0];
UIButton * buttonac = [[UIButton alloc]initWithFrame:CGRectMake(110, 330, 40, 40)];
buttonac.backgroundColor = [UIColor purpleColor];
[buttonac setTitle:@"AC" forState:UIControlStateNormal];
[buttonac addTarget:self action:@selector(zero) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:buttonac];
UIButton * buttonEqual = [[UIButton alloc]initWithFrame:CGRectMake(160, 330, 40, 40)];
buttonEqual.backgroundColor = [UIColor purpleColor];
[buttonEqual addTarget:self action:@selector(equal) forControlEvents:UIControlEventTouchUpInside];
[buttonEqual setTitle:@"=" forState:UIControlStateNormal];
[self.window addSubview:buttonEqual];
UIButton * div = [[UIButton alloc]initWithFrame:CGRectMake(210, 330, 40, 40)];
div.backgroundColor = [UIColor purpleColor];
[div setTitle:@"/" forState:UIControlStateNormal];
[div addTarget:self action:@selector(div) forControlEvents:UIControlEventTouchUpInside];
[self.window addSubview:div];
return YES;
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[self.window endEditing:YES];
}
//功能:将你点击的数字显示到label上;
-(void)ling
{
a = a * 10 + 0;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)one
{
a = a * 10 +1;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)two
{
a = a * 10 +2;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)three
{
a = a * 10 +3;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)four
{
a = a * 10 +4;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)five
{
a = a * 10 +5;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)six
{
a = a * 10 +6;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)seven
{
a = a * 10 +7;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)eight
{
a = a * 10 +8;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)nine
{
a = a * 10 +9;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
-(void)zero
{
a = 0;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
//把前一个数a赋值给b,然后把a清零,然后用来记录下一个数,c只用来标志
-(void)add
{
c = 1;
b =a;
a = 0;
}
-(void)sub
{
c = 2;
b =a;
a =0;
}
-(void)mul
{
c = 3;
b =a;
a = 0;
}
-(void)div
{
c = 4;
b =a;
a = 0;
}
-(void)equal
{
if (c ==1)
{
a = a +b;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
if (c ==2)
{
a = b - a;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
if (c ==3)
{
a = a * b;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
if (c ==4)
{
if (a != 0)
{
a = b / a;
a1 = [NSString stringWithFormat:@"%d",a];
_TF.text = a1;
}
else
{
NSLog(@"无法计算!");
_TF.text = @"无法计算!";
}
}file:///Users/nimami/Desktop/屏幕快照%202015-07-20%20下午9.45.38.png
}
@end
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原文地址：http://www.cnblogs.com/ios111/p/4662817.html
