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
| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>12.样式绑定</title>
<script src="../js/vue.js"></script>
<style>
.dvbasic {
width: 400px;
height: 200px;
border: 1px solid black;
}
.dv1 {
background-color: cadetblue;
}
.dv2 {
background-color: coral;
}
.dv3 {
background-color: rgb(222, 216, 50);
}
.ddvv1 {
background-color: rgb(30, 33, 32);
}
.ddvv2 {
color: rgb(241, 227, 227);
}
.ddvv3 {
font-size: 30px;
}
</style>
</head>
<body>
<div id="root">
<div class="dvbasic" :class="dvClass" @click="dv1Click">
div1 - click :class 绑定class样式
</div>
<br />
<div class="dvbasic" :class="dv2Class" @click="dv2Click">
div2 - click :class 绑定class样式 数组形式绑定
</div>
<br />
<div class="dvbasic" :class="dv3Class" @click="dv3Click">
div3 - click :class 绑定class样式 对象形式绑定
</div>
<br />
<div class="dvbasic" :style="{fontSize: fsize+'px'}">
div4 - :style="{fontSize: fsize+'px'}" 绑定style样式
</div>
<br />
<div class="dvbasic" :style="styleObject">
div4 - :style="styleObject" 绑定style样式
</div>
<br />
<div class="dvbasic" :style="styleArr">
div5 - :style="styleArr" 绑定style样式
</div>
</div>
</body>
<script>
Vue.config.productionTip = false;
const vm = new Vue({
el: '#root',
data() {
return {
styleArr: [
{
fontSize: '30px'
},
{
backgroundColor: 'green'
}
],
styleObject: {
fontSize: '20px',
backgroundColor: 'red'
},
fsize: 40,
dvClass: '',
dv2Class: [],
dv3Class: { ddvv1: false, ddvv2: false, ddvv3: false },
dv1ArrClass: ['dv1', 'dv2', 'dv3']
};
},
methods: {
dv1Click() {
const index = Math.floor(Math.random() * 3);
console.log(index);
this.dvClass = this.dv1ArrClass[index];
},
dv2Click() {
if (this.dv2Class.length === 0) {
this.dv2Class.push('ddvv1');
this.dv2Class.push('ddvv2');
this.dv2Class.push('ddvv3');
} else {
this.dv2Class.shift();
this.dv2Class.shift();
this.dv2Class.shift();
}
},
dv3Click() {
this.dv3Class.ddvv1 = !this.dv3Class.ddvv1;
this.dv3Class.ddvv2 = !this.dv3Class.ddvv2;
this.dv3Class.ddvv3 = !this.dv3Class.ddvv3;
}
}
});
</script>
</html>
|
