dm-manage-web/src/components/Editor/index.vue

<template>
  <div>
    <el-upload v-if="type == 'url'" ref="upload" :action="uploadUrl" :before-upload="handleBeforeUpload" :on-success="handleUploadSuccess" :on-error="handleUploadError" name="file" :show-file-list="false" :headers="headers" style="display: none" />
    <div ref="editor" class="editor" :style="styles" />
  </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/upload', // 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() {
      const 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);
          }
        }
      },
      immediate: true
    }
  },
  mounted() {
    this.init();
  },
  beforeDestroy() {
    this.Quill = null;
  },
  methods: {
    init() {
      const editor = this.$refs.editor;
      this.Quill = new Quill(editor, this.options);
      // 如果设置了上传地址则自定义图片上传事件
      if (this.type == 'url') {
        const toolbar = this.Quill.getModule('toolbar');
        toolbar.addHandler('image', (value) => {
          this.uploadType = 'image';
          if (value) {
            this.$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) {
      // 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 ${this.fileSize} MB!`);
          return false;
        }
      }
      return true;
    },
    handleUploadSuccess(res, file) {
      // 获取富文本组件实例
      const quill = this.Quill;
      // 如果上传成功
      if (res.code == 200) {
        // 获取光标所在位置
        const length = quill.getSelection().index;
        // 插入图片  res.url为服务器返回的图片地址
        quill.insertEmbed(length, 'image', process.env.VUE_APP_BASE_API + res.fileName);
        // 调整光标到最后
        quill.setSelection(length + 1);
      } else {
        this.$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>