1、 vue-cropper 裁剪,旋转,放大等功能
2、 vuedraggable 拖拽排序功能
3、element-ui,大家可以用 也可不用 我项目中用了,但是和图片编辑功能无关(但是和图片批量上传有关系,不过也可以自己封装图片上传功能)
1、slot 插槽 自己定义上传图片按钮样式
2、v-model 返回图片列表
// imgList 返回的格式是一个数组,下面这种格式,当然这里是我拍脑袋返回的格式,大家要是觉得不符合自己的效果,可以自行在组件代码里修改,或者评论留言 我帮你改
[
'https://img.life.cntaiping.com/cms/test/61/160670418872041.jpg',
'https://img.life.cntaiping.com/cms/test/61/160670418872041.jpg'
'https://img.life.cntaiping.com/cms/test/61/160670418872041.jpg'
]
3、saveList 保存图片的触发方法
4、大家复制了组件的代码之后,需要全局搜索 需要修改的地方,因为 一些图片上传地址需要修改成自己的,马赛克图片换成自己的 或者网络图片
5、还有一点想说明一下,大家直接,复制这两段代码,安装好上面的依赖,就直接可以出来下面图中的效果
<template>
<img-upload v-model="imgList" @saveList="saveList">
<span style="color:blue">上传图片</span>
</img-upload>
</template>
import imgUpload from './components/imgUpload'
export default {
components: {
imgUpload
},
<template>
<div>
<el-dialog
class="update-dialog"
width="700px"
:visible.sync="outerVisible"
:close-on-click-modal="false"
>
<p slot="title" class="titl">
车源照片 <span>按住拖动可调整顺序,点击后可涂抹、旋转图片</span>
</p>
<p class="desc">首图巴拉巴拉 <span>拍摄示例</span></p>
<p class="slid"><span>{{ value.length }}</span>/15</p>
<draggable
v-loading="loadingShow"
:list="value"
tag="ul"
class="img-list"
v-bind="dragOptions"
draggable=".item"
>
<li v-for="(item,index) in value" :key="item" class="item">
<img :src="item" alt="" @click="editImg(index)">
<i class="el-icon-circle-close" @click="deletImgList(index)" />
</li>
<li v-show="value.length < 15" class="img-li">
<el-upload
class="upload-class"
:action="uploadUrl"
:headers="headers"
:before-upload="uploadBefore"
:on-success="onSucessUpload"
multiple
:on-exceed="onExceedupload"
:limit="limitNumb"
:show-file-list="false"
>
<i class="el-icon-plus" /> 从电脑上传图片
</el-upload>
</li>
</draggable>
<el-dialog
width="700px"
:visible.sync="innerVisible"
append-to-body
:before-close="beforeClose"
center
>
<p slot="title" class="titl">编辑照片</p>
<div v-loading="loadingCrop" class="edit-img">
<vueCropper
ref="cropper"
:img="editImgUrl"
:info="false"
:output-type="'png'"
:info-true="true"
:can-move="true"
:can-move-box="true"
:fixed="true"
:fixed-number="[3, 2]"
:auto-crop-width="600"
:auto-crop-height="400"
:mode="'cover'"
:center-box="true"
:enlarge="5"
:full="true"
:max-img-size="200000"
@imgLoad="imgLoadCrop"
/>
<div v-if="toolIndex === 4" class="tumo-img">
<canvas class="canvas" />
</div>
<div v-if="recommendDialog" class="recommend-title">
您刚才的编辑还未保存,返回将放弃所有编辑
</div>
</div>
<template v-if="!recommendDialog">
<div class="too-btns">
<div class="left" @click="toolClick(1)">左旋90</div>
<div class="right" @click="toolClick(2)">右旋90</div>
<div class="cut" :class="{'active':toolIndex === 3}" @click="toolClick(3)">{{ toolIndex === 3 ? '取消裁剪':'裁剪' }}</div>
<div class="tumo" :class="{'active':toolIndex === 4}" @click="toolClick(4)">{{ toolIndex === 4 ? '取消涂抹':'涂抹' }}</div>
</div>
<div v-show="toolIndex === 4" class="block-slider">
<p>涂抹直径</p>
<el-slider v-model="widthTm" :min="2" :max="50" :step="2" @input="changeWidthTm" />
</div>
</template>
<div slot="footer" class="dialog-footer">
<el-button v-if="recommendDialog" @click="saveEdit">不保存</el-button>
<el-button :loading="saveLoading" type="primary" @click="saveEdit(1)">保存修改</el-button>
</div>
</el-dialog>
<div slot="footer" class="dialog-footer">
<el-button type="primary" @click="saveList">保存车源图片</el-button>
<el-button @click="outerVisible = false">取 消</el-button>
</div>
</el-dialog>
<div @click="outerVisible = true">
<slot>
<!-- slot 数据 -->
</slot>
</div>
</div>
</template>
<script>
import { VueCropper } from 'vue-cropper'
import draggable from 'vuedraggable'
import axios from 'axios'
export default {
name: 'UploadImg',
components: {
VueCropper,
draggable
},
props: {
value: {
type: Array,
default: () => { [] }
}
},
data() {
return {
outerVisible: false, // 最外层dialog
innerVisible: false, // 裁剪弹窗
limitNumb: 15, // 图片上传数量限制
loadingShow: false, // 上传图片列表加载
loadingCrop: false, // 图片编辑时候加载
// 需要修改的地方 改成自己的 uploadUrl headers
uploadUrl: '/admin/basic/upload/ArticleCover',
headers: {
uid: '123', // this.$sessionObj.uid
userToken: 'acadcdfefefeafeppoogr123fd', // this.$sessionObj.userToken
platform: 1, // this.$sessionObj.platform
deviceInfo: 'acadcdfefefeafeppoogr123fd' // this.$sessionObj.deviceInfo
},
editIndex: '', // 被选中的图片的角标
editImgUrl: '', // 选中图片地址
toolIndex: 0, // 操作按钮 1 做旋转 2 右旋转 3 裁剪 4 马赛克
tumoIngUrl: '', // 涂抹时候的图片
widthTm: 30, // 涂抹半径
recommendDialog: false, // 没有保存退出的提示框
isCut: false, // 是否裁剪
isTumo: false, // 是否涂抹
isRotate: 0, // 是否旋转
saveLoading: false // 是否保存
}
},
computed: {
// 判断是否修改过
isEdit() {
return this.isCut || this.isTumo || parseInt(this.isRotate % 4) !== 0
},
dragOptions() {
return {
animation: 200, // 动画时间
disabled: false, // false可拖拽,true不可拖拽
group: 'description',
ghostClass: 'ghost'
}
}
},
methods: {
// 格式化第二个dialog
refrehDialog() {
this.toolIndex = 0
this.tumoIngUrl = ''
this.recommendDialog = false
this.isCut = false
this.isTumo = false
this.isRotate = 0
this.saveLoading = false
this.editImgUrl = ''
},
beforeClose() {
// 判断是否修改了
if (this.isEdit) {
this.recommendDialog = true
return false
} else {
this.innerVisible = false
this.refrehDialog()
}
},
saveEdit(val) {
if (val === 1) {
this.saveLoading = true
// 保存图片 上传图片
if (this.toolIndex === 4) {
this.editImgUrl = this.tumoIngUrl
setTimeout(() => {
this.uploadImg()
}, 1000)
} else {
this.uploadImg()
}
} else {
// 直接关闭
this.innerVisible = false
this.refrehDialog()
}
},
// 上传图片
uploadImg() {
// 需要修改的地方 改成自己的 res.data.response[0] 这个获取图片地址格式自己定
const formData = new FormData()
this.$refs.cropper.getCropBlob(data => {
formData.append('file', data, new Date().getTime() + 'edit_.png')
axios.post(this.uploadUrl, formData).then((res) => {
const imgList = this.value.slice()
imgList[this.editIndex] = res.data.response[0]
this.$emit('input', imgList)
this.saveLoading = false
this.innerVisible = false
this.refrehDialog()
}).catch(() => { this.saveLoading = false })
})
},
onSucessUpload(response, file, fileList) {
this.loadingShow = false
const imgList = this.value.slice()
// 需要修改的地方 改成自己的 response.response[0] 这个获取图片地址格式
imgList.push(response.response[0])
this.$emit('input', imgList)
this.limitNumb = 15 - this.value.length
},
onExceedupload(files) {
this.$message.warning(`做多上传15张图片`)
},
uploadBefore(file) {
this.loadingShow = true
// 图片格式是否正确
let bool = null
// 获取图片的后缀名
const dotIndex = file.name.lastIndexOf('.')
const suffixOfImage = file.name.slice(dotIndex + 1).toLowerCase()
switch (suffixOfImage) {
case 'jpeg':
case 'png':
case 'jpg':
bool = true
break
default:
bool = false
}
if (bool) {
const isLt5Mb = file.size / 1024 / 1024 < 5
if (!isLt5Mb) {
this.loadingShow = false
this.$message.warning('上传图片大小不能超过 5MB!')
return false
}
} else {
this.$message.warning(
'您上传的图片格式不正确!(仅支持jpeg,png,jpg)'
)
this.loadingShow = false
return false
}
},
// 删除图片
deletImgList(index) {
const imgList = this.value.slice()
imgList.splice(index, 1)
this.$emit('input', imgList)
},
// 编辑图片
editImg(index) {
this.editIndex = index
this.editImgUrl = this.value[index]
this.innerVisible = true
this.loadingCrop = true
},
// 开启裁剪
imgLoadCrop() {
this.loadingCrop = false
},
// 点击工具栏
toolClick(val) {
if (val === 1 || val === 2) {
this.roatatImg(val)
} else if (val === 3) {
// 裁剪
if (this.toolIndex === 3) {
this.isCut = false
this.$refs.cropper.clearCrop()
setTimeout(() => {
this.toolIndex = 0
}, 0)
} else if (this.toolIndex === 4) {
this.isTumo = true
this.editImgUrl = this.tumoIngUrl
setTimeout(() => {
this.$refs.cropper.goAutoCrop()
}, 0)
} else {
this.$refs.cropper.goAutoCrop()
}
} else {
if (this.toolIndex === 4) {
setTimeout(() => {
this.toolIndex = 0
}, 0)
} else {
this.$refs.cropper.getCropData((data) => {
this.tumoIngUrl = data
this.$refs.cropper.clearCrop()
setTimeout(() => {
this.tuMoImg()
}, 0)
})
}
}
this.toolIndex = val
},
// 左右旋转
roatatImg(val) {
if (val === 1) this.isRotate++
else this.isRotate--
if (this.toolIndex === 3) {
this.isCut = true
this.$refs.cropper.getCropData((data) => {
this.editImgUrl = data
this.$refs.cropper.clearCrop()
setTimeout(() => {
if (val === 1) this.$refs.cropper.rotateLeft()
else this.$refs.cropper.rotateRight()
}, 0)
})
} else if (this.toolIndex === 4) {
this.isTumo = true
this.editImgUrl = this.tumoIngUrl
setTimeout(() => {
if (val === 1) this.$refs.cropper.rotateLeft()
else this.$refs.cropper.rotateRight()
}, 0)
} else {
if (val === 1) this.$refs.cropper.rotateLeft()
else this.$refs.cropper.rotateRight()
}
},
changeWidthTm(val) {
document.querySelector('.block-slider .el-slider__button').style.width = val + 'px'
document.querySelector('.block-slider .el-slider__button').style.height = val + 'px'
},
// 涂抹逻辑
tuMoImg() {
const cs = document.querySelector('.canvas')
const roate = 3
cs.width = roate * 650
cs.height = cs.width / 3 * 2
const ctx = cs.getContext('2d')
const upImg = new Image()
const backImg = new Image()
let isRip = false // 是否开撕
upImg.src = this.tumoIngUrl
// 需要修改的地方 换成马赛克图片
backImg.src = require('../../assets/images/bg2.png')
upImg.onload = () => {
// 判断绘制路径
let dw = 0
let dh = 0
let dx = 0
let dy = 0
if ((upImg.width / upImg.height) >= (3 / 2)) {
// 需要满足宽度
const r = upImg.width / cs.width
dw = cs.width
dh = upImg.height / r
dy = (cs.height - dh) / 2
} else {
// 需要满足高度
const r = upImg.height / cs.height
dh = cs.height
console.log(upImg.height, cs.height, r)
dw = upImg.width / r
dx = (cs.width - dw) / 2
}
console.log(upImg.width, upImg.height, dx, dy, dw, dh)
ctx.drawImage(upImg, 0, 0, upImg.width, upImg.height, dx, dy, dw, dh) // 画上面的图片
}
cs.onmousedown = function() {
isRip = true
}
cs.onmouseup = function() {
isRip = false
}
let timer = null
cs.onmousemove = (e) => {
if (isRip) {
const x = e.offsetX
const y = e.offsetY
const w = this.widthTm
ctx.drawImage(backImg, 0, 0, w, w, (x - w / 2) * roate, (y - w / 2) * roate, w, w)
}
if (timer) clearTimeout(timer)
timer = setTimeout(() => {
this.tumoIngUrl = cs.toDataURL()
}, 200)
}
},
// 保存
saveList() {
this.outerVisible = false
this.$emit('saveList', this.value)
}
}
}
</script>
<style>
.update-dialog .el-dialog__body {
padding-top: 10px;
}
.update-dialog .el-icon-circle-close {
color: red;
position: absolute;
font-size: 30px;
right: -10px;
top: -10px;
}
.cropper-modal {
background: rgba(255, 0, 0, .75) !important;
}
.block-slider .el-slider__bar {
background: rgba(0, 0, 0, .5);
}
.block-slider .el-slider__button-wrapper {
position: relative;
}
.block-slider .el-slider__button {
border: none;
background: red;
height: 30px;
width: 30px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
}
</style>
<style scoped>
.titl {
font-size: 20px;
font-weight: 700;
}
.titl span {
font-size: 16px;
font-weight: 500;
margin-left: 20px;
color: red;
}
.desc {
padding-bottom: 15px;
}
.desc span,.slid span {
color: #409eff;
}
.img-list {
display: flex;
flex-wrap: wrap;
max-height: 350px;
overflow-y: scroll;
}
.img-list .item:nth-child(1)::after {
content: '首图';
position: absolute;
width: 40px;
height: 20px;
text-align: center;
line-height: 20px;
top: 0;
left: 0;
color: #ffffff;
font-size: 14px;
background: coral;
}
.img-list li,.img-li{
width: 200px;
height: 133px;
margin: 15px 10px;
position: relative;
}
.img-li {
float: left;
}
.img-list li img{
width: 100%;
height: 100%;
object-fit: contain;
background: #000;
}
.upload-class {
color: #409eff;
text-align: center;
height: 100%;
line-height: 133px;
border: 1px dashed #409eff;
box-sizing: border-box;
}
.edit-img {
width: 650px;
height: 433px;
position: relative;
}
.tumo-img {
position: absolute;
width: 650px;
height: 433px;
top: 0;
left: 0;
}
.edit-img img{
width: 100%;
height: 100%;
object-fit: contain;
}
.too-btns {
display: flex;
justify-content: space-around;
padding-top: 20px;
}
.too-btns div{
min-width: 110px;
height: 40px;
line-height: 40px;
text-align: center;
padding: 0 10px;
color: #fff;
background: rgba(0, 0, 0, .6);
}
.too-btns .active{
background: #000;
color: yellow;
}
.too-btns div:hover{
background: #000;
color: yellow;
cursor:pointer
}
.block-slider {
width: 45%;
margin: 0 auto;
margin-top: 30px;
text-align: center;
}
.block-slider p{
margin-bottom: 10px;
}
.canvas {
width: 100%;
height: 100%;
background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U/gAAAABlBMVEXMzMzTjRV2AAAACXBIWXMAAArrAAAK6wGCiw1aAAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M26LyyjAAAABFJREFUCJlj+M/AgBVhF/0PAH6/D/HkDxOGAAAAAElFTkSuQmCC');
}
.recommend-title {
text-align: center;
line-height: 433px;
position: absolute;
width: 650px;
height: 453px;
background: #fff;
top: -10px;
left: 0;
}
</style>