OC xcode 计算器.docx

/.m文件/ EDViewController.m/ jiSuanQi2/ Created by TY on 14-8-25./ Copyright (c) 2014年 FengHua. All rights reserved./#import EDViewController.hinterface EDViewController ()endimplementation EDViewControllerint opert; /操作符的tag值NSString *oneString; /前字符串声明NSString *twoString;/后字符串声明double oneNumber ;/前操作数声明double twoNumber ;/后操作数的声明bool opertDeal = false;/是否按下操作符double equ = 0;/结果BOOL zero;/判断是否输入0NSString *btnString;/操作的标志int oneLenth;/int twoLenth;/前后俩个字符的的长度标志bool ac = false;/.符号的标志int one,two,three;/用于计算闰年的三个常量- (void)viewDidLoad super viewDidLoad; oneString=; twoString=; oneNumber=0; twoNumber=0; opert = 0;/将各个变量初始化/ Do any additional setup after loading the view, typically from a nib.- (void)didReceiveMemoryWarning super didReceiveMemoryWarning; / Dispose of any resources that can be recreated.- (IBAction)poin:(id)sender /点得处理，包含0的处理在内 UIButton *btn = (UIButton*) sender; NSString *send = btn.titleLabel.text; NSRange oneRange = oneString rangeOfString:.;/做字符串内是否有. NSRange twoRange = twoString rangeOfString:.;/右字符串内是否有. int oneLenght = oneRange.length;/做字符串的长度 int twoLengh =twoRange.length;/右字符串的长度 /字符0的处理 if(send isEqualToString:0) /如果找到0 if (ac) /没有找到. /右字符串处理 if (twoString isEqualToString:send) twoString = twoString stringByAppendingString:send; self.labelDisplay setText:twoString; else self.labelDisplay setText:send; twoString = send; self.labelDisplay setText:twoString; else /找到0，同时找到. if (oneString isEqualToString:send) oneString = send; self.labelDisplay setText:oneString; else oneString = oneString stringByAppendingString:send; self.labelDisplay setText:oneString; else /字符 点 的处理 if (ac) if (oneString isEqualToString:) /如果左字符串为空，按下. oneString = 0.;/输出0. self.labelDisplay setText:0.; else if (twoLengh = 0) /如果右字符串长度为0，那么 twoString = twoString stringByAppendingString:send; self.labelDisplay setText:twoString; else self.labelDisplay setText:send; twoString = send; else if (oneString isEqualToString:) oneString = 0.; self.labelDisplay setText:0.; else if (oneLenght =0) oneString = oneString stringByAppendingString:send; self.labelDisplay setText:oneString; else oneString = self.labelDisplay.text; self.labelDisplay setText:oneString; /小数点和0的处理- (IBAction)btnNumber:(id)sender self.labelDisplay.text=0; UIButton *btn=(UIButton *)sender; NSString *btntext =btn.titleLabel.text; /按钮上的TXT值 NSInteger shuzi =btn.tag;/获取按钮的tag值 switch (shuzi) case 1:case 2:case 3: case 4:case 5:case 6: case 7:case 8:case 9: self btnNumberDeal:btntext;/调用btnNumber方法 break; default: break; /数字键的处理- (void)btnNumberDeal:(NSString *)text/操作数的处理 if (opertDeal) twoString = twoString stringByAppendingString:text; twoNumber = twoString doubleValue; self.labelDisplay setText:twoString; else oneString = oneString stringByAppendingString:text; oneNumber = oneString doubleValue; self.labelDisplay setText:oneString; - (void)biaozhi:(NSString *)arg/操作符的标识 if(arg isEqualToString:+) btnString = Add; if(arg isEqualToString:-) btnString = Reduction; if(arg isEqualToString:*) btnString =Multip; if (arg isEqualToString:/) btnString = Addlition; - (void)caozuofuDeal:(UIButton *)btn /操作符的处理 if(opertDeal) switch (opert) /在按下操作符之后，通过判断收到的tag值，进行对应的运算操作 case 11: equ = oneNumber + twoNumber; self.labelDisplay.text=NSString stringWithFormat:%g,equ; break; case 12: equ = oneNumber - twoNumber; self.labelDisplay.text=NSString stringWithFormat:%g,equ; break; case 13: equ = oneNumber * twoNumber; self.labelDisplay.text=NSString stringWithFormat:%g,equ; break; case 14: equ = oneNumber / twoNumber; self.labelDisplay.text=NSString stringWithFormat:%g,equ; if (twoNumber =0)&btnString isEqualToString:Division) self.labelDisplay setText:0; opert = 0; opertDeal=false; break; default: break; oneNumber=equ; /把计算结果传给oneNumber，然后作为下一次按下操作符之后的前操作数 twoNumber=0;/把twoNumber的值归零，以便于再次按下操作符的时候作为后操作数 twoString=;/同上，清空，存放接下来收到的字符串 else opertDeal=true; opert=btn.tag; self biaozhi:btnString;- (IBAction)opert:(UIButton *)sender/操作符按钮 UIButton *btn=(UIButton *)sender; NSInteger caozuo =btn.tag;/获取按钮的tag值 switch (caozuo) case 11:case 12:case 13:case 14: self caozuofuDeal:btn; break; - (IBAction)dengYu:(UIButton *)sender /等于按钮 UIButton *btn=(UIButton *)sender; NSInteger caozuo =btn.tag;/获取按钮的tag值 switch (caozuo) case 15: self caozuofuDeal:btn; break; oneNumber = equ; twoNumber = 0; twoString = ; opert = 0; opertDeal=false;- (IBAction)xPin:(UIButton *)sender UIButton * btn = (UIButton *)sender; NSInteger kexue = btn.tag; oneNumber = oneString doubleValue; switch (kexue) case 19: equ = log(oneNumber); self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 20: equ = pow (oneNumber, 2); self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 21: equ = pow(oneNumber, 3); self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 22: equ = exp(oneNumber); self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 23: equ = sqrt(oneNumber); self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 24: equ = 1/oneNumber; self.labelDisplay setText:NSString stringWithFormat:%g,equ; break; case 25: one = fmod(oneNumber, 4); two = fmod(oneNumber, 100); three = fmod(oneNumber, 400); if (one=0&two!=0)|three=0) self.labelDisplay setText:闰年; else self.labelDisplay setText:非闰年; break; default: NSLog(test); break; oneNumber = equ; twoNumber = 0; twoString = ; opert = 0; opertDeal=false;/科学计算按钮- (IBAction)tuiGe:(id)sender/退格按钮的处理 NSString *lableLength =NSString stringWithFormat:%i,self.labelDisplay.text.length ; /现在只输入了一位字符，按下退格键直接初始化显示器 if (lableLength isEqualToString:1) self.labelDisplay setText:0; oneString=; twoString=; oneNumber=0; twoNumber=0; opert = 0; opertDeal=false; else /当输入了多个字符时 if (!lableLength isEqualToString:0) /如果是前字符串 if (btnString isEqualToString:) NSString *lableValue = self.labelDisplay.text substringToIndex:self.labelDisplay.text.length -1; oneString =lableValue; self.labelDisplay setText:lableValue; /右字符串处理 else if (twoString isEqualToString:&!btnString isEqualToString:) NSString *lableValue = self.labelDisplay.text substringToIndex:self.labelDisplay.text.length -1; self.labelDisplay setText:lableValue; btnString = ; if (!twoString isEqualToString:) NSString *lableValue = self.labelDisplay.text substringToIndex:self.labelDisplay.text.length -1; twoString =twoString substringToIndex:twoString.length-1; self.labelDisplay setText:lableValue; - (IBAction)cleabtn:(UIButton *)sender self.labelDisplay setText:0; oneString=; twoString=; oneNumber=0; twoNumber=0; opert = 0; opertDeal=false;/清除按钮end.h文件/ EDViewController.h/ jiSuanQi2/ Created by TY on 14-8-25.