本文实例为大家分享了Swift实现简单计算器项目的具体代码,供大家参考,具体内容如下
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// // ViewController.swift // 计算器 // // Created by 悦兑科技 on 15/1/14. // Copyright (c) 2015年 BSY. All rights reserved. // import UIKit class ViewController: UIViewController { var numOne = UITextField() var numTwo = UITextField() var cleanButton = UIButton() var sum = UILabel() override func viewDidLoad() { super.viewDidLoad() self.view.backgroundColor = UIColor.brownColor() [self .addAllSubViews()] } func addAllSubViews() { // 计算 var button:UIButton = UIButton.buttonWithType(UIButtonType.Custom) as UIButton var frame = CGRectMake(100, 300, 100, 30) button.frame = frame self.view.addSubview(button) button.backgroundColor = UIColor.lightGrayColor() button.setTitle( "计算" , forState: UIControlState.Normal) button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal) button.addTarget(self, action: "OnClick" , forControlEvents: UIControlEvents.TouchUpInside) // 第一个数 var numOne = UITextField(frame: CGRectMake(10, 200, 80, 30)) numOne.placeholder = "输一个数" numOne.layer.borderColor = UIColor.lightGrayColor().CGColor numOne.layer.borderWidth = 2 numOne.layer.cornerRadius = 5 self.view.addSubview(numOne) numOne.keyboardType = UIKeyboardType.NumberPad self.numOne = numOne var add = UILabel(frame: CGRectMake(100, 200, 20, 30)) add.text = "+" add.font.fontWithSize(20) self.view.addSubview(add) // 第二个数 var numTwo = UITextField(frame: CGRectMake(120, 200, 80, 30)) numTwo.placeholder = "输一个数" numTwo.layer.borderColor = UIColor.lightGrayColor().CGColor numTwo.layer.borderWidth = 2 numTwo.layer.cornerRadius = 5 self.view.addSubview(numTwo) numTwo.keyboardType = UIKeyboardType.NumberPad self.numTwo = numTwo var equalTo = UILabel(frame: CGRectMake(210, 200, 20, 30)) equalTo.text = "=" equalTo.font.fontWithSize(20) self.view.addSubview(equalTo) // sum 和 var sum = UILabel(frame: CGRectMake(230, 200, 80, 30)) sum.textAlignment = NSTextAlignment.Center sum.font.fontWithSize(20) sum.text = "0" self.view.addSubview(sum) sum.layer.borderWidth = 2 sum.layer.borderColor = UIColor.lightGrayColor().CGColor self.sum = sum } /** 计算按钮 */ func OnClick() { var sum = NSString(string: self.numOne.text).intValue + NSString(string: self.numTwo.text).intValue self.sum.text = NSString(string: String(sum)) [self .addCleanButton()] } /** 点击界面事件 */ override func touchesBegan(touches: NSSet, withEvent event: UIEvent) { self.numOne.resignFirstResponder() self.numTwo.resignFirstResponder() } /** 清除按钮 */ func addCleanButton(){ var cleanButton:UIButton = UIButton.buttonWithType(UIButtonType.Custom) as UIButton var frame = CGRectMake(220, 240, 50, 30) cleanButton.frame = frame cleanButton.setTitle( "清除" , forState: UIControlState.Normal) cleanButton.setTitleColor(UIColor.redColor(), forState: UIControlState.Normal) self.view.addSubview(cleanButton) cleanButton.addTarget(self, action: "cleanButtonClick" , forControlEvents: UIControlEvents.TouchUpInside) self.cleanButton = cleanButton } /** 清除按钮方法实现 */ func cleanButtonClick(){ self.sum.text = "0" self.numOne.text = "" self.numTwo.text = "" if (self.sum.text== "0" ){ self.cleanButton.hidden = true } } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/mjbaishiyun/article/details/42736675