OC xcode 计算器.docxVIP

//.m文件// EDViewController.m// jiSuanQi2//// Created by TY on 14-8-25.// Copyright (c) 2014年FengHua. All rights reserved.//#importEDViewController.h@interfaceEDViewController ()@end@implementationEDViewControllerintopert; //操作符的tag值NSString *oneString; //前字符串声明NSString *twoString;//后字符串声明doubleoneNumber ;//前操作数声明doubletwoNumber ;//后操作数的声明boolopertDeal = false;//是否按下操作符doubleequ = 0;//结果BOOL zero;//判断是否输入‘0’NSString *btnString;//操作的标志intoneLenth;//inttwoLenth;//前后俩个字符的的长度标志bool ac = false;//.符号的标志intone,two,three;//用于计算闰年的三个常量- (void)viewDidLoad{ [superviewDidLoad];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{ [superdidReceiveMemoryWarning];// 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;NSRangeoneRange = [oneStringrangeOfString:@.];//做字符串内是否有.NSRangetwoRange = [twoStringrangeOfString:@.];//右字符串内是否有.intoneLenght = oneRange.length;//做字符串的长度inttwoLengh =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 ([twoStringisEqualToString:send]) {twoString = [twoStringstringByAppendingString:send]; [self.labelDisplaysetText:twoString];}else{ [self.labelDisplaysetText:send];twoString = send; [self.labelDisplaysetText:twoString]; } }else{ //找到‘0’，同时找到‘.’if ([oneStringisEqualToString:send]) {oneString = send; [self.labelDisplaysetText:oneString];}else{oneString = [oneStringstringByAppendingString:send]; [self.labelDisplaysetText:oneString]; } }}else{//字符点的处理if (ac) {if ([oneStringisEqualToString:@]) { //如果左字符串为空，按下‘.’oneString = @0.;//输出‘0.’ [self.labelDisplaysetText:@0.];}else{if (twoLengh == 0) { //如果右字符串长度为0，那么twoString = [twoStringstringByAppending