vue-cropper-swx
Version:
A simple Vue picture clipping plugin
423 lines (399 loc) • 13.5 kB
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>test vue-cropper</title>
<style>
* {
margin: 0;
padding: 0;
}
.cut {
width: 500px;
height: 500px;
margin: 30px auto;
}
.c-item {
max-width: 800px;
margin: 10px auto;
margin-top: 20px;
}
.content {
margin: auto;
max-width: 1200px;
margin-bottom: 100px;
}
.test-button {
display: flex;
flex-wrap: wrap;
align-content: center;
justify-content: center;
}
.btn {
display: inline-block;
line-height: 1;
white-space: nowrap;
cursor: pointer;
background: #fff;
border: 1px solid #c0ccda;
color: #1f2d3d;
text-align: center;
box-sizing: border-box;
outline: none;
margin:20px 10px 0px 0px;
padding: 9px 15px;
font-size: 14px;
border-radius: 4px;
color: #fff;
background-color: #50bfff;
border-color: #50bfff;
transition: all .2s ease;
text-decoration: none;
user-select: none;
}
.des {
line-height: 30px;
}
code.language-html {
padding: 10px 20px;
margin: 10px 0px;
display: block;
background-color: #333;
color: #fff;
overflow-x: auto;
font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo, Lucida, Sans, Type, Writer, Ubuntu, Mono;
border-radius: 5px;
white-space: pre;
}
.show-info {
margin-bottom: 50px;
}
.show-info h2 {
line-height: 50px;
}
/*.title, .title:hover, .title-focus, .title:visited {
color: black;
}*/
.title {
display: block;
text-decoration: none;
text-align: center;
line-height: 1.5;
margin: 20px 0px;
background-image: -webkit-linear-gradient(left,#3498db,#f47920 10%,#d71345 20%,#f7acbc 30%,#ffd400 40%,#3498db 50%,#f47920 60%,#d71345 70%,#f7acbc 80%,#ffd400 90%,#3498db);
color: transparent;
-webkit-background-clip: text;
background-size: 200% 100%;
animation: slide 5s infinite linear;
font-size: 40px;
}
.test {
height: 500px;
}
.model {
position: fixed;
z-index: 10;
width: 100vw;
height: 100vh;
overflow: auto;
top: 0;
left: 0;
background: rgba(0, 0, 0, 0.8);
}
.model-show {
display: flex;
justify-content: center;
align-items: center;
width: 100vw;
height: 100vh;
}
.model img {
display: block;
margin: auto;
max-width: 80%;
user-select: none;
background-position: 0px 0px, 10px 10px;
background-size: 20px 20px;
background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee 100%),linear-gradient(45deg, #eee 25%, white 25%, white 75%, #eee 75%, #eee 100%);
}
.c-item {
display: block;
user-select: none;
}
@keyframes slide {
0% {
background-position: 0 0;
}
100% {
background-position: -100% 0;
}
}
</style>
</head>
<body>
<div id="app">
<div class="model" v-show="model" @click="model = false">
<div class="model-show">
<img :src="modelSrc" alt="">
</div>
</div>
<p>例子</p>
<div class="cut">
<vue-cropper ref="cropper" :img="option.img" :output-size="option.size" :output-type="option.outputType" :info="true" :full="option.full"
:can-move="option.canMove" :can-move-box="option.canMoveBox" :fixed-box="option.fixedBox" :original="option.original"
:auto-crop="option.autoCrop" :auto-crop-width="option.autoCropWidth" :auto-crop-height="option.autoCropHeight" :center-box="option.centerBox"
@real-time="realTime" :high="option.high" ></vue-cropper>
</div>
<div class="test-button">
<button @click="changeImg" class="btn">changeImg</button>
<label class="btn" for="uploads">upload</label>
<input type="file" id="uploads" style="position:absolute; clip:rect(0 0 0 0);" accept="image/png, image/jpeg, image/gif, image/jpg"
@change="uploadImg($event, 1)">
<button @click="startCrop" v-if="!crap" class="btn">start</button>
<button @click="stopCrop" v-else class="btn">stop</button>
<button @click="clearCrop" class="btn">clear</button>
<button @click="refreshCrop" class="btn">refresh</button>
<button @click="changeScale(1)" class="btn">+</button>
<button @click="changeScale(-1)" class="btn">-</button>
<button @click="rotateLeft" class="btn">rotateLeft</button>
<button @click="rotateRight" class="btn">rotateRight</button>
<button @click="finish('base64')" class="btn">preview(base64)</button>
<button @click="finish('blob')" class="btn">preview(blob)</button>
<a @click="down('base64')" class="btn">download(base64)</a>
<a @click="down('blob')" class="btn">download(blob)</a>
<div style="display:block; width: 100%;">
<label class="c-item">
<span>上传图片是否显示原始宽高 (针对大图 可以铺满)</span>
<input type="checkbox" v-model="option.original">
<span>original: {{ option.original}}</span>
</label>
<label class="c-item">
<span>能否拖动图片</span>
<input type="checkbox" v-model="option.canMove">
</label>
<label class="c-item">
<span>能否拖动截图框</span>
<input type="checkbox" v-model="option.canMoveBox">
<span>canMoveBox: {{ option.canMoveBox}}</span>
</label>
<label class="c-item">
<span>截图框固定大小</span>
<input type="checkbox" v-model="option.fixedBox">
<span>fixedBox: {{ option.fixedBox}}</span>
</label>
<label class="c-item">
<span>是否输出原图比例的截图</span>
<input type="checkbox" v-model="option.full">
<span>full: {{ option.full}}</span>
</label>
<label class="c-item">
<span>是否自动生成截图框</span>
<input type="checkbox" v-model="option.autoCrop">
<span>autoCrop: {{ option.autoCrop}}</span>
</label>
<label class="c-item">
<span>是否根据dpr生成适合屏幕的高清图片</span>
<input type="checkbox" v-model="option.high">
<span>high: {{ option.high}}</span>
</label>
<label class="c-item">
<span>截图框是否限制在图片里(只有在自动生成截图框时才能生效)</span>
<input type="checkbox" v-model="option.centerBox">
<span>centerBox: {{ option.centerBox}}</span>
</label>
<label class="c-item">
<p>输出图片格式</p>
<label>jpg
<input type="radio" name="type" value="jpeg" v-model="option.outputType">
</label>
<label>png
<input type="radio" name="type" value="png" v-model="option.outputType">
</label>
<label>webp
<input type="radio" name="type" value="webp" v-model="option.outputType">
</label>
</label>
</div>
</div>
<div class="show-preview" :style="{'width': previews.w + 'px', 'height': previews.h + 'px', 'overflow': 'hidden', 'margin': '5px'}">
<div :style="previews.div">
<img :src="previews.url" :style="previews.img">
</div>
</div>
</div>
<!-- <script src="https://vuejs.org/js/vue.min.js"></script> -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>
<script src="../dist/index.js"></script>
<script>
Vue.use(window['vue-cropper'])
var a = new Vue({
el: '#app',
data: {
model: false,
modelSrc: '',
crap: false,
previews: {},
lists: [
{
img: 'http://ofyaji162.bkt.clouddn.com/touxiang.jpg'
},
{
img: 'https://o90cnn3g2.qnssl.com/0C3ABE8D05322EAC3120DDB11F9D1F72.png'
},
{
img: 'http://ofyaji162.bkt.clouddn.com/bg1.jpg',
},
{
img: 'http://ofyaji162.bkt.clouddn.com/bg2.jpg',
},
{
img: 'http://ofyaji162.bkt.clouddn.com/can.jpg'
},
{
img: 'http://ofyaji162.bkt.clouddn.com/nightcat.jpg'
}
],
option: {
img: 'https://avatars3.githubusercontent.com/u/15681693',
size: 1,
full: false,
outputType: 'png',
canMove: true,
fixedBox: false,
original: false,
canMoveBox: true,
autoCrop: true,
// 只有自动截图开启 宽度高度才生效
autoCropWidth: 200,
autoCropHeight: 150,
centerBox: false,
high: true
},
show: true
},
methods: {
changeImg() {
this.option.img = this.lists[~~(Math.random() * this.lists.length)].img
},
startCrop() {
// start
this.crap = true
this.$refs.cropper.startCrop()
},
stopCrop() {
// stop
this.crap = false
this.$refs.cropper.stopCrop()
},
clearCrop() {
// clear
this.$refs.cropper.clearCrop()
},
refreshCrop() {
// clear
this.$refs.cropper.refresh()
},
changeScale(num) {
num = num || 1
this.$refs.cropper.changeScale(num)
},
rotateLeft() {
this.$refs.cropper.rotateLeft()
},
rotateRight() {
this.$refs.cropper.rotateRight()
},
finish(type) {
// 输出
// var test = window.open('about:blank')
// test.document.body.innerHTML = '图片生成中..'
if (type === 'blob') {
this.$refs.cropper.getCropBlob((data) => {
var img = window.URL.createObjectURL(data)
this.model = true
this.modelSrc = img
})
} else {
this.$refs.cropper.getCropData((data) => {
this.model = true
this.modelSrc = data
})
}
},
// 实时预览函数
realTime(data) {
console.log(data)
this.previews = data
},
finish2(type) {
this.$refs.cropper2.getCropData((data) => {
this.model = true
this.modelSrc = data
})
},
finish3(type) {
this.$refs.cropper3.getCropData((data) => {
this.model = true
this.modelSrc = data
})
},
down(type) {
// event.preventDefault()
var aLink = document.createElement('a')
aLink.download = 'demo'
// 输出
if (type === 'blob') {
this.$refs.cropper.getCropBlob((data) => {
this.downImg = window.URL.createObjectURL(data)
aLink.href = window.URL.createObjectURL(data)
aLink.click()
})
} else {
this.$refs.cropper.getCropData((data) => {
this.downImg = data
aLink.href = data
aLink.click()
})
}
},
uploadImg(e, num) {
//上传图片
// this.option.img
var file = e.target.files[0]
if (!/\.(gif|jpg|jpeg|png|bmp|GIF|JPG|PNG)$/.test(e.target.value)) {
alert('图片类型必须是.gif,jpeg,jpg,png,bmp中的一种')
return false
}
var reader = new FileReader()
reader.onload = (e) => {
let data
if (typeof e.target.result === 'object') {
// 把Array Buffer转化为blob 如果是base64不需要
data = window.URL.createObjectURL(new Blob([e.target.result]))
} else {
data = e.target.result
}
if (num === 1) {
this.option.img = data
} else if (num === 2) {
this.example2.img = data
}
}
// 转化为base64
// reader.readAsDataURL(file)
// 转化为blob
reader.readAsArrayBuffer(file)
},
imgLoad(msg) {
console.log(msg)
}
},
mounted() {
console.log(window['vue-cropper'])
}
})
</script>
</body>
</html>