计算器简单版

来源：互联网发布：java中文是什么意思编辑：程序博客网时间：2024/04/30 05:36

// AppDelegate.m

// Demo-UI3-1

// Created by dllo on 15/3/6.

#import "AppDelegate.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

- (void)dealloc

{

[_windowrelease];

[_fieldrelease];

[superdealloc];

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

// Override point for customization after application launch.

_judgeNumber =0;

_integerNumber =0;

self.window = [[UIWindowalloc] initWithFrame:[[UIScreenmainScreen] bounds]];

[self.windowmakeKeyAndVisible];

[self.windowsetBackgroundColor:[UIColorwhiteColor]];

_field = [[UITextFieldalloc] initWithFrame:CGRectMake(30,40, 300, 40)];

[self.windowaddSubview:_field];

_field.text =@"";

_field.textAlignment =NSTextAlignmentRight;

_field.font = [UIFontsystemFontOfSize:30];

[_fieldsetBounds:CGRectMake(30,40, 300, 40)];

[_fieldsetBackgroundColor:[UIColordarkGrayColor]];

_field.textColor = [UIColorredColor];

_button0 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button0];

_button0.frame =CGRectMake(100,280, 50, 50);

[_button0setTitle:@"0"forState:UIControlStateNormal];

[_button0addTarget:selfaction:@selector(inputNum0Click:)forControlEvents:UIControlEventTouchUpInside];

_button1 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button1];

_button1.frame =CGRectMake(30,100, 50, 50);

[_button1setTitle:@"1"forState:UIControlStateNormal];

[_button1addTarget:selfaction:@selector(inputNum1Click:)forControlEvents:UIControlEventTouchUpInside];

_button2 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button2];

_button2.frame =CGRectMake(100,100, 50, 50);

[_button2setTitle:@"2"forState:UIControlStateNormal];

[_button2addTarget:selfaction:@selector(inputNum2Click:)forControlEvents:UIControlEventTouchUpInside];

_button3 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button3];

_button3.frame =CGRectMake(170,100, 50, 50);

[_button3setTitle:@"3"forState:UIControlStateNormal];

[_button3addTarget:selfaction:@selector(inputNum3Click:)forControlEvents:UIControlEventTouchUpInside];

_button4 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button4];

_button4.frame =CGRectMake(30,160, 50, 50);

[_button4setTitle:@"4"forState:UIControlStateNormal];

[_button4addTarget:selfaction:@selector(inputNum4Click:)forControlEvents:UIControlEventTouchUpInside];

_button5 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button5];

_button5.frame =CGRectMake(100,160, 50, 50);

[_button5setTitle:@"5"forState:UIControlStateNormal];

[_button5addTarget:selfaction:@selector(inputNum5Click:)forControlEvents:UIControlEventTouchUpInside];

_button6 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button6];

_button6.frame =CGRectMake(170,160, 50, 50);

[_button6setTitle:@"6"forState:UIControlStateNormal];

[_button6addTarget:selfaction:@selector(inputNum6Click:)forControlEvents:UIControlEventTouchUpInside];

_button7 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button7];

_button7.frame =CGRectMake(30,220, 50, 50);

[_button7setTitle:@"7"forState:UIControlStateNormal];

[_button7addTarget:selfaction:@selector(inputNum7Click:)forControlEvents:UIControlEventTouchUpInside];

_button8 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button8];

_button8.frame =CGRectMake(100,220, 50, 50);

[_button8setTitle:@"8"forState:UIControlStateNormal];

[_button8addTarget:selfaction:@selector(inputNum8Click:)forControlEvents:UIControlEventTouchUpInside];

_button9 = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_button9];

_button9.frame =CGRectMake(170,220, 50, 50);

[_button9setTitle:@"9"forState:UIControlStateNormal];

[_button9addTarget:selfaction:@selector(inputNum9Click:)forControlEvents:UIControlEventTouchUpInside];

_addButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_addButton];

_addButton.frame =CGRectMake(240,100, 50, 50);

[_addButtonsetTitle:@"+"forState:UIControlStateNormal];

[_addButtonaddTarget:selfaction:@selector(addCilck:)forControlEvents:UIControlEventTouchUpInside];

_subButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_subButton];

_subButton.frame =CGRectMake(240,160, 50, 50);

[_subButtonsetTitle:@"-"forState:UIControlStateNormal];

[_subButtonaddTarget:selfaction:@selector(subCilck:)forControlEvents:UIControlEventTouchUpInside];

_sulButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_sulButton];

_sulButton.frame =CGRectMake(240,220, 50, 50);

[_sulButtonsetTitle:@"*"forState:UIControlStateNormal];

[_sulButtonaddTarget:selfaction:@selector(sulCilck:)forControlEvents:UIControlEventTouchUpInside];

_divButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_divButton];

_divButton.frame =CGRectMake(240,280, 50, 50);

[_divButtonsetTitle:@"/"forState:UIControlStateNormal];

[_divButtonaddTarget:selfaction:@selector(divCilck:)forControlEvents:UIControlEventTouchUpInside];

_equalButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

[self.windowaddSubview:_equalButton];

_equalButton.frame =CGRectMake(170,280, 50, 50);

[_equalButtonsetTitle:@"="forState:UIControlStateNormal];

[_equalButtonaddTarget:selfaction:@selector(equalCilck:)forControlEvents:UIControlEventTouchUpInside];

_clearButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

_clearButton.frame =CGRectMake(30,280, 50, 50);

[_clearButtonsetTitle:@"c"forState:UIControlStateNormal];

[self.windowaddSubview:_clearButton];

[_clearButtonaddTarget:selfaction:@selector(clearClick:)forControlEvents:UIControlEventTouchUpInside];

_delButton = [UIButtonbuttonWithType:UIButtonTypeSystem];

_delButton.frame =CGRectMake(30,340, 50, 50);

[_delButtonsetTitle:@"del"forState:UIControlStateNormal];

[self.windowaddSubview:_delButton];

[_delButtonaddTarget:selfaction:@selector(deleteClick:)forControlEvents:UIControlEventTouchUpInside];

return YES;

}

- (void)deleteClick:(id)sender

{

_firstNumber = [_field.textintegerValue];

NSString *inputString = nil;

if (0 != _field.text.length) {

_firstNumber =_firstNumber / 10;

NSNumber *s = [NSNumbernumberWithInteger:_firstNumber];

inputString = [sstringValue];

}else {

inputString =@"0";

_firstNumber = 0;

}

[_fieldsetText:inputString];

}

- (void)addCilck:(id)sender

{

if (_judgeNumber >0) {

_firstNumber =_firstNumber + [_field.textintegerValue];

}else {

//保存第一个操作数

_firstNumber = [_field.textintegerValue];

}

// 保存按键类型

_buttonType = 1;

// 保存计算类型

_calulateType =0;

_judgeNumber +=1;

}

- (void)subCilck:(id)sender

{

if (_judgeNumber >0) {

_firstNumber =_firstNumber - [_field.textintegerValue];

}else {

_firstNumber = [_field.textintegerValue];

}

_buttonType = 1;

_calulateType =1;

_judgeNumber +=1;

}

- (void)sulCilck:(id)sender

{

if (_judgeNumber >0) {

_firstNumber =_firstNumber * [_field.textintegerValue];

}else {

_firstNumber = [_field.textintegerValue];

}

_buttonType = 1;

_calulateType =2;

_judgeNumber +=1;

}

- (void)divCilck:(id)sender

{

if (_judgeNumber >0) {

_firstNumber =_firstNumber / [_field.textintegerValue];

}else {

_firstNumber = [_field.textintegerValue];

}

_buttonType = 1;

_calulateType =3;

_judgeNumber +=1;

}

- (void)clearClick:(id)sender

{

_firstNumber =0;

[_fieldsetText:@"0"];

}

- (void)inputNum0Click:(id)sender

{

_judgeNumber +=1;

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"0"];

}else {

inputString =@"0";

}

[_fieldsetText:inputString];

_buttonType = 0;

}

- (void)inputNum1Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"1"];

}else {

inputString =@"1";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum2Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"2"];

}else {

inputString =@"2";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum3Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"3"];

}else {

inputString =@"3";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum4Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"4"];

}else {

inputString =@"4";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum5Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"5"];

}else {

inputString =@"5";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum6Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"6"];

}else {

inputString =@"6";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum7Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"7"];

}else {

inputString =@"7";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum8Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"8"];

}else {

inputString =@"8";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)inputNum9Click:(id)sender

{

NSString *inputString = nil;

if (0 == _buttonType) {

inputString = [_field.textstringByAppendingString:@"9"];

}else {

inputString =@"9";

}

[_fieldsetText:inputString];

_buttonType = 0;

_judgeNumber +=1;

}

- (void)equalCilck:(id)sender

{

NSInteger result = 0;

switch (_calulateType) {

case 0:

result =_firstNumber + _field.text.integerValue;

break;

case 1:

result =_firstNumber - _field.text.integerValue;

break;

case 2:

result =_firstNumber * _field.text.integerValue;

break;

case 3:

result =_firstNumber / _field.text.integerValue;

break;

default:

break;

}

NSString *resultString = [NSStringstringWithFormat:@"%ld", result];

[_fieldsetText:resultString];

}

0 0