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
| <div class="pwGenBox">
<button onclick="generate()">生成密码</button>
<input id="hasSpec" type="checkbox" />
<p>特殊字符</p>
<h3 class="password"></h3>
<input class="input" style="opacity:0;position:absolute;top:-999px;" />
<button onclick="copy()">点击复制</button>
</div>
<script>
var input;
function copy() {
input.select();
document.execCommand("Copy");
}
function generate() {
let hasSpec = document.querySelector("#hasSpec").checked;
let len = 14;
str = randomStr(len, hasSpec);
let pwd = document.querySelector("h3.password");
input = document.querySelector("input.input");
input.value = str;
pwd.innerText = str;
}
function randomStr(len, hasSpec = false) {
let str = "";
while (str.length < len) {
switch (Math.floor(Math.random() * 4)) {
case 0:
str += num();
break;
case 1:
str += upper();
break;
case 2:
str += lower();
break;
case 3:
if (hasSpec) {
str += spec();
}
break;
default:
str += "?";
break;
}
}
return str;
}
function _randomASCII(start, span) {
return String.fromCharCode(Math.floor(Math.random() * span + start));
}
function upper() {
return _randomASCII(65, 26);
}
function lower() {
return _randomASCII(97, 26);
}
function num() {
return _randomASCII(48, 10);
}
function spec() {
return _randomASCII(33, 14);
}
</script>
<style>
.pwGenBox p {
display: inline-block;
}
</style>
|
input框如果设置为display:none会导致无法选中，可以选择移动到屏幕外/设置透明/被遮盖的方法掩藏，或者写一些css让input框代替展示文本。
