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<template>
<div>
<el-upload
:action="uploadUrl"
:before-upload="handleBeforeUpload"
:on-success="handleUploadSuccess"
:on-error="handleUploadError"
name="file"
:show-file-list="false"
:headers="headers"
style="display: none"
ref="upload"
v-if="this.type === 'url'"
>
</el-upload>
<div class="editor" ref="editor" :style="styles"></div>
</div>
</template>
<script>
import Quill from 'quill'
import 'quill/dist/quill.core.css'
import 'quill/dist/quill.snow.css'
import 'quill/dist/quill.bubble.css'
import { getToken } from '@/utils/auth'
export default {
name: 'Editor',
props: {
/* 编辑器的内容 */
value: {
type: String,
default: ''
},
/* 高度 */
height: {
type: Number,
default: null
},
/* 最小高度 */
minHeight: {
type: Number,
default: null
},
/* 只读 */
readOnly: {
type: Boolean,
default: false
},
/* 上传文件大小限制(MB) */
fileSize: {
type: Number,
default: 5
},
/* 类型（base64格式、url格式） */
type: {
type: String,
default: 'url'
}
},
data() {
return {
uploadUrl: process.env.VUE_APP_BASE_API + '/common/uploadMinio', // 上传的图片服务器地址
headers: {
Authorization: 'Bearer ' + getToken()
},
Quill: null,
currentValue: '',
options: {
theme: 'snow',
bounds: document.body,
debug: 'warn',
modules: {
// 工具栏配置
toolbar: [
['bold', 'italic', 'underline', 'strike'], // 加粗 斜体 下划线 删除线
['blockquote', 'code-block'], // 引用 代码块
[{ list: 'ordered' }, { list: 'bullet' }], // 有序、无序列表
[{ indent: '-1' }, { indent: '+1' }], // 缩进
[{ size: ['small', false, 'large', 'huge'] }], // 字体大小
[{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题
[{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色
[{ align: [] }], // 对齐方式
['clean'], // 清除文本格式
['link', 'image', 'video'] // 链接、图片、视频
]
},
placeholder: '请输入内容',
readOnly: this.readOnly
}
}
},
computed: {
styles() {
let style = {}
if (this.minHeight) {
style.minHeight = `${this.minHeight}px`
}
if (this.height) {
style.height = `${this.height}px`
}
return style
}
},
watch: {
value: {
handler(val) {
if (val !== this.currentValue) {
this.currentValue = val === null ? '' : val
if (this.Quill) {
this.Quill.pasteHTML(this.currentValue)
this.$nextTick(() => {
this.Quill.setSelection(this.currentValue.length, 0)
})
}
}
},
immediate: true
}
},
mounted() {
this.init()
this.$nextTick(() => {
this.Quill.setSelection(this.currentValue.length, 0)
})
},
beforeDestroy() {
this.Quill = null
},
methods: {
init() {
const editor = this.$refs.editor
this.Quill = new Quill(editor, this.options)
// 如果设置了上传地址则自定义图片上传事件
if (this.type === 'url') {
let toolbar = this.Quill.getModule('toolbar')
toolbar.addHandler('image', value => {
if (value) {
this.$refs.upload.$children[0].$refs.input.click()
} else {
this.quill.format('image', false)
}
})
}
this.Quill.pasteHTML(this.currentValue)
this.Quill.on('text-change', (delta, oldDelta, source) => {
const html = this.$refs.editor.children[0].innerHTML
const text = this.Quill.getText()
const quill = this.Quill
this.currentValue = html
this.$emit('input', html)
this.$emit('on-change', { html, text, quill })
})
this.Quill.on('text-change', (delta, oldDelta, source) => {
this.$emit('on-text-change', delta, oldDelta, source)
})
this.Quill.on('selection-change', (range, oldRange, source) => {
this.$emit('on-selection-change', range, oldRange, source)
})
this.Quill.on('editor-change', (eventName, ...args) => {
this.$emit('on-editor-change', eventName, ...args)
})
},
// 上传前校检格式和大小
handleBeforeUpload(file) {
const type = ['image/jpeg', 'image/jpg', 'image/png', 'image/svg']
const isJPG = type.includes(file.type)
// 检验文件格式
if (!isJPG) {
this.$message.error(`图片格式错误!`)
return false
}
// 校检文件大小
if (this.fileSize) {
const isLt = file.size / 1024 / 1024 < this.fileSize
if (!isLt) {
this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`)
return false
}
}
return true
},
handleUploadSuccess(res, file) {
// 如果上传成功
if (res.code === 200) {
// 获取富文本组件实例
let quill = this.Quill
// 获取光标所在位置
let length = quill.getSelection().index
// 插入图片 res.url为服务器返回的图片地址
quill.insertEmbed(
length,
'image',
// process.env.VUE_APP_BASE_API + res.fileName
process.env.VUE_APP_IMAGE_API + res.url
)
// 调整光标到最后
quill.setSelection(length + 1)
} else {
this.$message.error('图片插入失败')
}
},
handleUploadError() {
this.$message.error('图片插入失败')
}
}
}
</script>
<style>
.editor,
.ql-toolbar {
white-space: pre-wrap !important;
line-height: normal !important;
}
.quill-img {
display: none;
}
.ql-snow .ql-tooltip[data-mode='link']::before {
content: '请输入链接地址:';
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
border-right: 0px;
content: '保存';
padding-right: 0px;
}
.ql-snow .ql-tooltip[data-mode='video']::before {
content: '请输入视频地址:';
}
.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
content: '14px';
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value='small']::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value='small']::before {
content: '10px';
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value='large']::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value='large']::before {
content: '18px';
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value='huge']::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value='huge']::before {
content: '32px';
}
.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
content: '文本';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='1']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='1']::before {
content: '标题1';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='2']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='2']::before {
content: '标题2';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='3']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='3']::before {
content: '标题3';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='4']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='4']::before {
content: '标题4';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='5']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='5']::before {
content: '标题5';
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value='6']::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value='6']::before {
content: '标题6';
}
.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
content: '标准字体';
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value='serif']::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value='serif']::before {
content: '衬线字体';
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value='monospace']::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value='monospace']::before {
content: '等宽字体';
}
</style>