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Vue 3 wangEditor 5 封装并使用富文本编辑器组件

2025-03-09 15:03:16 前端知识 前端哥 560 126 我要收藏

1.实现效果

2.安装

官网：https://www.wangeditor.com

# Vue2 安装
yarn add @wangeditor/editor-for-vue
# 或者 npm install @wangeditor/editor-for-vue --save
 
# Vue3 安装
yarn add @wangeditor/editor-for-vue@next
# 或者 npm install @wangeditor/editor-for-vue@next --save
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3.封装组件（components -> MyEditor.vue）

<template>
  <div style="border: 1px solid #ccc">
    <Toolbar
      v-if="showToolbarFlag" 
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
      style="border-bottom: 1px solid #ccc"
    />
    <Editor
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
      @onChange="handleChange"
      :style="{ height: editorHeight, overflowY: 'hidden' }"
      :readOnly="readOnlyFlag"
    />
  </div>
</template>
 
<script setup lang="ts">
  import filesApi from '@/api/sys/files';
  import { watch,onBeforeUnmount,nextTick, ref, shallowRef, onMounted,onBeforeMount } from 'vue'
  //@ts-ignore
  import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
  import '@wangeditor/editor/dist/css/style.css' // 引入 css
  
 
  // Props：使用属性，子组件接收父组件传递的内容
  const props = defineProps({
    // 内容
    content: { type: String, default: '' },
    // 工具栏是否显示，默认显示
    showToolbarFlag: { type: Boolean, default: true },
    // 编辑器高度，默认500px
    editorHeight: { type: String, default: '500px' },
    // 编辑器是否只读，默认可编辑
    readOnlyFlag: { type: Boolean, default: false }
  })
 
  // Emits：使用事件，将子组件内容传递给父组件。父组件使用 update(content: string) 
  const emit = defineEmits<{ (e: 'update', content: string): void }>()
 
  const mode = ref('default')
 
  // 编辑器实例，必须用 shallowRef
  const editorRef = shallowRef()
 
  // 内容 HTML
  const valueHtml = ref('')
 
  const toolbarConfig = {}
 
  const editorConfig = { 
    placeholder: '请输入内容...' ,
    MENU_CONF:{} as any
  }
 
  // 上传图片配置
  editorConfig.MENU_CONF['uploadImage'] = {
    // form-data fieldName ，默认值 'wangeditor-uploaded-image'。传给后端接口的参数名，重要!
    fieldName: 'file',
    server: 'http://localhost:8080/files/wangEditorUpload',
  }
 
  const handleCreated = (editor:any) => {
    editorRef.value = editor // 记录 editor 实例，重要！
 
    // 根据父组件传递的readOnlyFlag，设置编辑器为只读
    if (props.readOnlyFlag)  {
      editorRef.value.disable(); 
    } else {
      editorRef.value.enable(); 
    }
  }
 
  const handleChange = () => { 
    valueHtml.value  = editorRef.value.getHtml()
    emit('update', valueHtml.value) 
  }
 
  // 监听 props 变化，监听父组件传来的content
  watch(() => props.content, (newVal:string) => {
      nextTick(() => {
        if (editorRef.value) {
          // console.log(" 当前编辑器的状态：", editorRef.value); 
 
          // 富文本编辑器按 html 格式回显
          editorRef.value.setHtml(newVal)
          valueHtml.value = newVal
        }
      })
    }
  )
 
  onMounted(async() => {
    await nextTick(); // 延迟渲染，确保 DOM 更新完成
    if(props.content) {
      valueHtml.value = props.content 
    }
  })
 
  // 组件销毁时，也及时销毁编辑器
  onBeforeUnmount(() => {
      const editor = editorRef.value
      if (editor == null) return
      editor.destroy()
  })
 
</script>
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4.引入并使用 MyEditor 组件

4.1 父组件使用默认props

<template>
  <el-card class="container">
    <template #header>
      <div class="header">
        <el-breadcrumb :separator-icon="ArrowRight">
          <el-breadcrumb-item :to="{ path: '/home/index' }" class="title">首页</el-breadcrumb-item>
          <el-breadcrumb-item class="title">文章管理</el-breadcrumb-item>
          <el-breadcrumb-item class="title">文章</el-breadcrumb-item>
        </el-breadcrumb>
        <div>
          <el-button type="primary" @click="addButton">新增文章</el-button>
          <el-button type="danger" @click="batchRemove">批量删除</el-button>
        </div>
      </div>
    </template>
 
    <!-- 搜索表单 -->
    <el-form inline>
      <el-form-item label="标题：">
        <el-input v-model="searchModel.title" placeholder="请输入文章标题" style="width: 150px"></el-input>
      </el-form-item>
      <el-form-item label="分类：">
        <el-select placeholder="请选择" v-model="searchModel.categoryId" style="width: 150px">
          <el-option v-for="item in categoryList" :key="item.id" :value="item.id" :label="item.categoryName"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="发布状态：">
        <el-select placeholder="请选择" v-model="searchModel.status" style="width: 150px">
            <el-option label="已发布" value="已发布"></el-option>
            <el-option label="草稿" value="草稿"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="artcleListFuction">搜索</el-button>
        <el-button @click="reset">重置</el-button>
      </el-form-item>
    </el-form>
 
    <!-- 列表 -->
    <el-table :data="articleList" ref="multipleTableRef" border stripe style="width: 100%" height="550" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="50" />
      <el-table-column label="序号" type="index" width="100" :index="computeRowIndex" />
      <el-table-column label="标题" width="200" prop="title"></el-table-column>
      <el-table-column label="分类" prop="categoryName"></el-table-column>
      <el-table-column label="状态" prop="status"></el-table-column>
      <el-table-column label="发表时间" prop="createTime"> </el-table-column>
      <el-table-column label="更新时间" prop="ts"> </el-table-column>
      <el-table-column label="操作" width="120">
        <template #default="{ row }">
            <el-button :icon="Edit" circle plain type="primary" @click="edit(row)"></el-button>
            <el-button :icon="Delete" circle plain type="danger" @click="remove(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
 
    <!-- 分页 -->
    <el-pagination
      v-model:current-page="searchModel.currentPage"
      v-model:page-size="searchModel.pageSize"
      :page-sizes="[10, 30, 50, 100]"
      layout="jumper, total, sizes, prev, pager, next"
      :total="searchModel.total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      background
      style="margin: 10px 0; justify-content: flex-end"
    />
 
    <!-- 添加文章 -->
    <el-drawer v-model="visibleDrawer" size="50%" @close="close">
      <template #header>
        <h1>{{ title }}</h1>
      </template>
      <el-form :model="articleModel" ref="formRef" :rules="rules" label-width="100px">
        <el-form-item label="文章标题" prop="title">
          <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
        </el-form-item>
        <el-form-item label="文章分类" prop="categoryId">
          <el-select placeholder="请选择" v-model="articleModel.categoryId">
            <el-option v-for="item in categoryList" :key="item.id" :value="item.id" :label="item.categoryName"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章封面">
          <el-upload class="avatar-uploader" :auto-upload="false"
            action="/api/upload"
            name="file"
            :headers="{'X-Token':useTokenStore().token}"
            :on-preview="handlePictureCardPreview"
            :on-remove="handleRemove"
            :on-success="uploadSuccess"
          >
            <img v-if="articleModel.coverImg" :src="articleModel.coverImg" />
            <el-icon v-else><Plus /></el-icon>
          </el-upload>
          <!-- 图片预览 -->
          <el-dialog v-model="dialogVisible">
            <el-image :src="dialogImageUrl"/>
          </el-dialog>
        </el-form-item>
 
        <!-- vue-quill 富文本编辑器 -->
        <!-- <el-form-item label="文章内容">
          <div class="editor">
             <TextEditor v-model:content="articleModel.content" />
          </div>
        </el-form-item> -->
 
        <!-- wang-editor 富文本编辑器 -->
        <!-- articleModel.content 没有双向数据绑定，所以通过 update() 更新其值，从而触发 content 变化，被 MyEditor 子组件监听 -->
        <el-form-item label="文章内容">
          <MyEditor :content="articleModel.content" @update="update" />
        </el-form-item>
 
        <el-form-item>
          <el-button type="primary" @click="save('已发布')">发布</el-button>
          <el-button type="info" @click="save('草稿')">保存草稿</el-button>
        </el-form-item>
      </el-form>
    </el-drawer>
 
  </el-card>
</template>
 
<script setup lang="ts">
  import { ref,reactive,onMounted,watch,toRaw } from 'vue'
  import { Edit,Delete,Plus,ArrowRight  } from '@element-plus/icons-vue'
  import articleApi from '@/api/article/article';
  import { ElMessage, ElMessageBox,type UploadProps,type UploadUserFile } from 'element-plus'
  import { useTokenStore } from '@/stores/token'
  import '@vueup/vue-quill/dist/vue-quill.snow.css'
  // import TextEditor from '@/components/TextEditor.vue';
  import MyEditor from '@/components/MyEditor.vue';
 
  const categoryList=ref()
  const articleList=ref()
  const articleModel=reactive({
    id:'',
    categoryId:'',
    title:'',
    content:'',
    coverImg:'',
    status:''
  })
  const initArticleModel={ ...articleModel }
  // 批量删除的 id
  const ids=ref<string[]>([])
  const visibleDrawer=ref(false)
  const dialogImageUrl = ref('')
  const dialogVisible = ref(false)
  // 新增或编辑
  const title=ref();
  const formRef=ref()
  const multipleTableRef=ref()
 
  // 分页&搜索模型
  const searchModel=reactive({
    currentPage:1,
    pageSize:10,
    total:0,
    title:'',
    status:'',
    categoryId:''
  })
  const initSearchModel={ ...searchModel }
 
  const rules = {
    title:[
      { required: true, message:'请输入标题', trigger: 'blur'},
    ],
    categoryId:[
      { required: true, message:'请选择分类', trigger: 'blur'},
    ],
  }
  
 
  // pageSize 变化时触发
  const handleSizeChange = (val: number) => {
    searchModel.pageSize=val;
    artcleListFuction();
  }
 
  // currentPage 变化时触发
  const handleCurrentChange = (val: number) => {
    searchModel.currentPage=val;
    artcleListFuction();
  }
 
  const categoryListFuction= async()=>{
    const response= await articleApi.categoryGetAll();
    categoryList.value=response.data;
  }
 
  const artcleListFuction= async()=>{
    const response= await articleApi.articleList(searchModel);
    articleList.value=response.data.records;
    searchModel.currentPage=response.data.current;
    searchModel.pageSize=response.data.size;
    searchModel.total=response.data.total;
  }
 
  // 批量删除
  const handleSelectionChange = (rows: any) => {
    ids.value = rows.map((item:any) => item.id);
  }
 
  const remove= async(row:any)=>{
    ElMessageBox.confirm(
      `是否删除标题为 [ ${row.title} ] 的文章？`,
      '温馨提示',
      {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning',
      }
    )
    .then(async() => {
      ids.value.push(row.id);
      await articleApi.articleRemove(ids.value);
      ElMessage({
        type: 'success',
        message: '删除成功',
      })
      artcleListFuction();
    })
  }
 
  // 批量删除
  const batchRemove= ()=>{
    if(ids.value.length > 0){
      ElMessageBox.confirm( `是否批量删除？`, '温馨提示',{
          confirmButtonText: '确认',
          cancelButtonText: '取消',
          type: 'warning',
        }
      )
      .then(async() => {
        await articleApi.articleRemove(ids.value);
        ElMessage({ type: 'success',message: '删除成功' });
        artcleListFuction();
      })
    }else{
      ElMessage.warning('请选择删除项');
    }
  }
 
  // 重置搜索框
  const reset= ()=>{
    Object.assign(searchModel, initSearchModel);
    artcleListFuction();
  }
 
  // 重置新增、编辑抽屉
  const resetDrawer= ()=>{
    // 清除数据
    Object.assign(articleModel, initArticleModel);
    // 清除校验信息
    formRef.value.clearValidate();
  }
 
  const close= ()=>{
    // 清除数据
    Object.assign(articleModel, initArticleModel);
    // articleModel.content = ''
    // 清除校验信息
    formRef.value.clearValidate();
  }
 
  const uploadSuccess= (response:any)=>{
    articleModel.coverImg=response.data;
  }
 
 
  const handleRemove: UploadProps['onRemove'] = (uploadFile, uploadFiles) => {
    console.log(uploadFile, uploadFiles)
  }
 
  const handlePictureCardPreview: UploadProps['onPreview'] = (uploadFile) => {
    dialogImageUrl.value = uploadFile.url!
    dialogVisible.value = true
  }
 
  const save= async(value:string)=>{
    formRef.value.validate(async(valid:any) => {
      if (valid) {
        articleModel.status=value;
        const response=await articleApi.articleSaveOrUpdate(articleModel) as any;
        ElMessage.success(response.msg);
        reset();
        visibleDrawer.value=false;
        artcleListFuction();
      } else {
        ElMessage.error('请校验表单');
        return false;
      }
    })
  }
 
  const edit= (row:any)=>{
    visibleDrawer.value=true;
    title.value="编辑文章";
    // 复制属性
    Object.assign(articleModel, row);
  }
 
  const addButton= ()=>{
    visibleDrawer.value=true;
    title.value="添加文章";
    articleModel.content='';
    resetDrawer(); 
  }
 
  // 计算序号
  const computeRowIndex = (index:any) => {
    return (searchModel.currentPage - 1) * searchModel.pageSize + index + 1;
  }
 
  // 更新富文本编辑器内容
  const update = (content:string) => {
    articleModel.content=content
  };
 
  onMounted(()=>{
    artcleListFuction();
    categoryListFuction();
  })
 
 
</script>
 
<style scoped lang="less">
  .container{
    height: 100%;
    box-sizing: border-box; 
  }
  .header{
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .title{
    font-size: large;
    font-weight: 600;
  }
</style>
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4.2 父组件使用自定义props

5.富文本上传图片，后端返回数据格式处理

5.1 文件上传下载后端实现（本文需关注download、wangEditorUpload接口）

package com.dragon.springboot3vue3.controller;
 
import cn.dev33.satoken.util.SaResult;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.SecureUtil;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.dragon.springboot3vue3.controller.dto.pageDto.FilesPageDto;
import com.dragon.springboot3vue3.entity.Files;
import com.dragon.springboot3vue3.service.IFilesService;
import com.dragon.springboot3vue3.utils.StringIdsDTO;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
 
import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 * <p>
 * 文件表 前端控制器
 * </p>
 *
 * @author dragon
 * @since 2024-05-25
 */
@Tag(name = "文件上传下载接口")
@RestController
@RequestMapping("/files")
public class FilesController {
    @Autowired
    private IFilesService filesService;
 
    @Value("${files.upload.path}")
    private String path;
 
    @Value("${files.upload.address}")
    private String address;
 
 
    @Operation(summary = "文件上传")
    @PostMapping("/upload")
    public SaResult upload(@RequestParam MultipartFile file) throws IOException {
        String originalFilename = file.getOriginalFilename();
        String type = FileUtil.extName(originalFilename);
        long size = file.getSize();
 
        // 如果文件目录不存在，则新建
        File uploadParentFile = new File(path);
        if(!uploadParentFile.exists()){
            uploadParentFile.mkdirs();
        }
 
        // 保证存储的文件名唯一
        String fileName=IdUtil.fastSimpleUUID() + StrUtil.DOT + type;
        File uploadFile = new File(path + fileName);
 
        // 拼接下载的url
        String url = address+fileName;
 
        // 将文件存储到磁盘
        file.transferTo(uploadFile);
 
        // 生成文件唯一标识 md5，保证不会在磁盘存储重复的文件
        String md5 = SecureUtil.md5(uploadFile);
        List<Files> list = filesService.lambdaQuery().eq(Files::getMd5, md5).list();
        if(CollectionUtil.isNotEmpty(list)){
            url=list.getFirst().getUrl();
            uploadFile.delete();
        }
 
        // 文件信息存储到数据库
        Files saveFile = new Files();
        saveFile.setName(originalFilename);
        saveFile.setType(type);
        // 单位转换 B -> KB
        saveFile.setSize(size/1024);
        saveFile.setUrl(url);
        saveFile.setMd5(md5);
        filesService.save(saveFile);
 
        return SaResult.ok().setData(url);
    }
 
    @Operation(summary = "文件下载")
    @GetMapping("/{fileName}")
    public void download(@PathVariable String fileName, HttpServletResponse response) throws IOException {
        // 在指定目录下，根据文件名查找文件
        File file = new File(path + fileName);
        ServletOutputStream outputStream = response.getOutputStream();
 
        // 设置输出流格式
        response.addHeader("Content-Disposition","attachment;filename=" + URLEncoder.encode(fileName, StandardCharsets.UTF_8));
        response.setContentType("application/octet-stream");
 
        // 读取文件字节流
        outputStream.write(FileUtil.readBytes(file));
        outputStream.flush();
        outputStream.close();
    }
 
    @Operation(summary = "分页列表")
    @PostMapping("/list")
    public SaResult list(@RequestBody FilesPageDto pageDto){
        // 创建分页对象
        Page<Files> page=new Page<>(pageDto.getCurrentPage(), pageDto.getPageSize());
 
        // 构造询条件
        MPJLambdaWrapper<Files> qw=new MPJLambdaWrapper<Files>()
                .like(StringUtils.isNotBlank(pageDto.getName()),Files::getName, pageDto.getName())
                .like(StringUtils.isNotBlank(pageDto.getType()),Files::getType, pageDto.getType())
                .orderByDesc(Files::getCreateTime);
 
        // 根据查询条件，将结果封装到分页对象
        Page<Files> response = filesService.page(page, qw);
 
        return SaResult.ok().setData(response);
    }
 
    @Operation(summary = "删除")
    @DeleteMapping("/remove")
    public SaResult remove(@RequestBody @Validated StringIdsDTO stringIdsDTO){
        filesService.removeByIds(stringIdsDTO.getIds());
        return SaResult.ok();
    }
 
    @Operation(summary = "wang-editor 富文本编辑器文件上传")
    @PostMapping("/wangEditorUpload")
    public Map<String, Object> wangEditorUpload(@RequestParam MultipartFile file) throws IOException {
        String originalFilename = file.getOriginalFilename();
        String type = FileUtil.extName(originalFilename);
        long size = file.getSize();
 
        // 如果文件目录不存在，则新建
        File uploadParentFile = new File(path);
        if(!uploadParentFile.exists()){
            uploadParentFile.mkdirs();
        }
 
        // 保证存储的文件名唯一
        String fileName=IdUtil.fastSimpleUUID() + StrUtil.DOT + type;
        File uploadFile = new File(path + fileName);
 
        // 拼接下载的url
        String url = address+fileName;
 
        // 将文件存储到磁盘
        file.transferTo(uploadFile);
 
        // 生成文件唯一标识 md5，保证不会在磁盘存储重复的文件
        String md5 = SecureUtil.md5(uploadFile);
        List<Files> list = filesService.lambdaQuery().eq(Files::getMd5, md5).list();
        if(CollectionUtil.isNotEmpty(list)){
            url=list.getFirst().getUrl();
            uploadFile.delete();
        }
 
        // 文件信息存储到数据库
        Files saveFile = new Files();
        saveFile.setName(originalFilename);
        saveFile.setType(type);
        // 单位转换 B -> KB
        saveFile.setSize(size/1024);
        saveFile.setUrl(url);
        saveFile.setMd5(md5);
        filesService.save(saveFile);
 
        // 封装 wang-editor 数据返回格式
        Map<String, Object> map =new HashMap<>();
        map.put("errno",0);
        map.put("data", CollUtil.newArrayList(Dict.create().set("url",url)));
 
        return map;
    }
}
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