-
Notifications
You must be signed in to change notification settings - Fork 425
/
Copy pathvariable.html
119 lines (97 loc) · 6.63 KB
/
variable.html
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
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>1.3. 变量</title><link rel="stylesheet" type="text/css" href="/docbook.css" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><meta name="keywords" content="go, golang, pecl, phar" /><link rel="home" href="index.html" title="Netkiller Golang 手札" /><link rel="up" href="golang.html" title="第 1 章 golang" /><link rel="prev" href="ch01s02.html" title="1.2. 优化编译参数" /><link rel="next" href="type.html" title="1.4. 数值类型" /></head><body><a xmlns="" href="//www.netkiller.cn/">Home</a> |
<a xmlns="" href="//netkiller.github.io/">简体中文</a> |
<a xmlns="" href="http://netkiller.sourceforge.net/">繁体中文</a> |
<a xmlns="" href="/journal/index.html">杂文</a> |
<a xmlns="" href="//www.netkiller.cn/home/donations.html">打赏(Donations)</a> |
<a xmlns="" href="https://yq.aliyun.com/u/netkiller/">云栖社区</a> |
<a xmlns="" href="http://my.oschina.net/neochen/">OSChina 博客</a> |
<a xmlns="" href="https://www.facebook.com/bg7nyt">Facebook</a> |
<a xmlns="" href="http://cn.linkedin.com/in/netkiller/">Linkedin</a> |
<a xmlns="" href="https://zhuanlan.zhihu.com/netkiller">知乎专栏</a> |
<a xmlns="" href="https://github.com/netkiller">Github</a> |
<a xmlns="" href="/search.html">Search</a> |
<a xmlns="" href="//www.netkiller.cn/home/about.html">About</a><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">1.3. 变量</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch01s02.html">上一页</a> </td><th width="60%" align="center">第 1 章 golang</th><td width="20%" align="right"> <a accesskey="n" href="type.html">下一页</a></td></tr></table><hr /></div><table xmlns=""><tr><td><iframe src="//ghbtns.com/github-btn.html?user=netkiller&repo=netkiller.github.io&type=watch&count=true&size=large" height="30" width="170" frameborder="0" scrolling="0" style="width:170px; height: 30px;" allowTransparency="true"></iframe></td><td><iframe src="//ghbtns.com/github-btn.html?user=netkiller&repo=netkiller.github.io&type=fork&count=true&size=large" height="30" width="170" frameborder="0" scrolling="0" style="width:170px; height: 30px;" allowTransparency="true"></iframe></td><td><iframe src="//ghbtns.com/github-btn.html?user=netkiller&type=follow&count=true&size=large" height="30" width="240" frameborder="0" scrolling="0" style="width:240px; height: 30px;" allowTransparency="true"></iframe></td></tr></table><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="variable"></a>1.3. 变量</h2></div></div></div>
<pre class="programlisting">
package main
import "fmt"
//声明变量number为int数据，此时默认复制为0
var number int
// 定义多个变量
var(
name string
age int
sex bool
)
func main(){
//直接声明变量number赋值为2
number := 2
fmt.Println(number);
name = "Neo"
fmt.Println(name);
url := "http://www.netkiller.cn"
fmt.Println(url);
}
</pre>
<div class="section"><div class="titlepage"><div><div><h3 class="title"><a id=""></a>1.3.1. const 常量定义</h3></div></div></div>
<pre class="programlisting">
//声明常量 const url
const url = "http://www.netkiller.cn"
const nickname string = "netkiller"
const Monday, Tuesday, Wednesday, Thursday, Friday, Saturday = 1, 2, 3, 4, 5, 6
const (
New, Pending, Done = 1, 2, 3
Canceled, Failed, Scuess = 4, 5, 6
)
// 生成枚举值时候可以使用关键字：itoa, 值将依次递增
const (
Sunday = iota // 0
Monday // 1
Tuesday // 2
Wednesday // 3
Thursday // 4
Friday // 5
Saturday // 6
)
</pre>
</div>
</div><div xmlns="" id="disqus_thread"></div><script xmlns="">
var disqus_config = function () {
this.page.url = "http://www.netkiller.cn"; // Replace PAGE_URL with your page's canonical URL variable
this.page.identifier = 'netkiller'; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
};
(function() { // DON'T EDIT BELOW THIS LINE
var d = document, s = d.createElement('script');
s.src = '//netkiller.disqus.com/embed.js';
s.setAttribute('data-timestamp', +new Date());
(d.head || d.body).appendChild(s);
})();
</script><noscript xmlns="">Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript><br xmlns="" /><script xmlns="" type="text/javascript" id="clustrmaps" src="//cdn.clustrmaps.com/map_v2.js?u=r5HG&d=9mi5r_kkDC8uxG8HuY3p4-2qgeeVypAK9vMD-2P6BYM"></script><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch01s02.html">上一页</a> </td><td width="20%" align="center"><a accesskey="u" href="golang.html">上一级</a></td><td width="40%" align="right"> <a accesskey="n" href="type.html">下一页</a></td></tr><tr><td width="40%" align="left" valign="top">1.2. 优化编译参数 </td><td width="20%" align="center"><a accesskey="h" href="index.html">起始页</a></td><td width="40%" align="right" valign="top"> 1.4. 数值类型</td></tr></table></div><script xmlns="">
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-11694057-1', 'auto');
ga('send', 'pageview');
</script><script xmlns="" async="async">
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?93967759a51cda79e49bf4e34d0b0f2c";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script><script xmlns="" async="async">
(function(){
var bp = document.createElement('script');
var curProtocol = window.location.protocol.split(':')[0];
if (curProtocol === 'https') {
bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
}
else {
bp.src = 'http://push.zhanzhang.baidu.com/push.js';
}
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(bp, s);
})();
</script><script xmlns="" type="text/javascript" src="/js/q.js" async="async"></script></body></html>