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