js全屏滚动_模块淡入

2018年10月06日作者: 国瑞个人博客 474次浏览

相信大家在一些网站上也见过一些特效，例如全屏滚动，模块淡入，接下来就让我来详细的讲解一波吧

全屏滚动

顾名思义，就是将浏览器窗口分为几块，每次触发一个模块，然后一个模块一个模块来进行切换

示例如下

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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215

<!DOCTYPE HTML>
<html>

<head>
<title>爱前端博客</title>
<meta charset="utf-8">
<meta name="Author" content="">
<style type='text/css'>
* {
margin: 0;
padding: 0;
}

body,
html {
height: 100%;
}

body {
overflow: hidden;
}

#wrap {
width: 100%;
height: 100%;
}

#wrap .part {
width: 100%;
height: 100%;
position: relative;
}

#wrap .part .logo {
width: 215px;
height: 60px;
background: url(img/logo.png) top left/100% 100%;
position: absolute;
top: 20px;
left: 20px;
}

#wrap .img1 {
position: absolute;
transition: 1.2s;
}

#wrap .part1 .img1 {
top: 50%;
margin-top: -300px;
left: 50%;
margin-left: -315px;
opacity: 0;
}

#wrap .part2 .img1 {
top: 50%;
margin-top: 0px;
left: 50%;
margin-left: -315px;
opacity: 0;
}

#wrap .part3 .img1 {
top: 50%;
margin-top: -110px;
left: -30px;
opacity: 0;
}

#wrap .part1 .img1.on {
top: 50%;
margin-top: -120px;
left: 50%;
margin-left: -315px;
opacity: 1;
}

#wrap .part2 .img1.on {
top: 50%;
margin-top: -225px;
left: 50%;
margin-left: -315px;
opacity: 1;
}

#wrap .part3 .img1.on {
top: 50%;
margin-top: -110px;
left: 100px;
opacity: 1;
}

#wrap .part img {
display: block;
}

#slide {
width: 20px;
height: 160px;
position: fixed;
top: 50%;
margin-top: -80px;
left: 30px;
}

#slide ul li {
width: 16px;
height: 16px;
border: 2px solid #fff;
margin: 3px 0;
border-radius: 100%;
list-style: none;
cursor: pointer;
}

#slide ul li.on {
background: #fff;
}
</style>
</head>

<body>

<div id='wrap'>
<div class="part part1">
<div class='img1'><img src='img/1-2.png' width='630' height='250'></div>
</div>
<div class="part part2">
<div class='img1'><img src='img/2-2.png' width='630' height='450'></div>
</div>
<div class="part part3">
<div class='img1'><img src='img/3-2.png' width='570' height='220'></div>
</div>
<div class="part part4"></div>
<div class="part part5"></div>
<div class="part part6"></div>
<div class="part part7"></div>
</div>
<div id="slide">
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>

<script type="text/javascript" src="js/jquery-1.11.3.min.js"></script>
<script type="text/javascript" src="js/jquery.mousewheel.js"></script>
<script type="text/javascript">
setTimeout(function () {
$(document).scrollTop(0);
}, 50);

var $part = $('.part');
var $li = $('#slide ul li');
var $img = $('.part img');

//初始化
(function () {
$li.eq(0).addClass('on');
$part.append('<div class="logo"></div>');
$part.each(function (i) {
var str = i != 1 ? 'url(img/' + (i + 1) + '.jpg) no-repeat center / cover' : '#D97F5C';
$(this).css('background', str);
});
})();

//页面滚动
(function () {
var index = 0;
var wH = $(window).height();
var nowTime = new Date();

$(window).resize(function () {
wH = $(window).height();
});
$li.click(function () {
index = $(this).index();
move();
});
$(document).mousewheel(function () {
if (new Date() - nowTime > 500) {
nowTime = new Date();
var d = arguments[1];
index = d < 0 ? (index >= $li.length - 1 ? 0 : index + 1) : (index <= 0 ? $li.length - 1 : index - 1);
move();
};
});

function move() {
$li.eq(index).addClass('on').siblings().removeClass('on');
$('body,html').animate({
scrollTop: index * wH
}, 500, function () {
$part.eq(index).find('.img1').addClass('on');
$part.eq(index).siblings().find('.img1').removeClass('on');
});

}
})();

//图片加载完后盒子居中
</script>
</body>

</html>

模块淡入

顾名思义，就是进入某个模块的时候，触发某一个动画效果

示例如下

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

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Document</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
img{
border:0;
}
ol, ul ,li{list-style: none;}
.box {
transition:all 1s;
position: absolute;
left:0;
top:50%;
margin:-100px 0 0 -200px;
width: 200px;
height:200px;
background: red;

}
.on {
margin-left:500px;
}
</style>
</head>
<body>
<div class="box">
模块淡入
</div>

</body>
</html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
setTimeout(()=>{
$('.box').addClass("on");
},3000)

</script>