详解Vue+Element UI+vue-quill-editor富文本编辑器及插入图片自定义

npm install vue-quill-editor --save

import VueQuillEditor from 'vue-quill-editor'
import 'quill/dist/quill.core.css'
import 'quill/dist/quill.snow.css'
import 'quill/dist/quill.bubble.css'
 
Vue.use(VueQuillEditor);

<div>
 
   <!-- 图片上传组件辅助-->
   <el-upload
    class="avatar-uploader"
    :action="serverUrl"
    name="img"
    :headers="header"
    :show-file-list="false"
    :on-success="uploadSuccess"
    :on-error="uploadError"
    :before-upload="beforeUpload">
   </el-upload>
   <quill-editor
    v-model="content"
    ref="myQuillEditor"
    :options="editorOption"
    @change="onEditorChange($event)"
   >
   </quill-editor>
  </div>

<script>
 const toolbarOptions = [
  ['bold', 'italic', 'underline', 'strike'],    // toggled buttons
  [{'header': 1}, {'header': 2}],        // custom button values
  [{'list': 'ordered'}, {'list': 'bullet'}],
  [{'indent': '-1'}, {'indent': '+1'}],     // outdent/indent
  [{'direction': 'rtl'}],             // text direction
  [{'size': ['small', false, 'large', 'huge']}], // custom dropdown
  [{'header': [1, 2, 3, 4, 5, 6, false]}],
  [{'color': []}, {'background': []}],     // dropdown with defaults from theme
  [{'font': []}],
  [{'align': []}],
  ['link', 'image'],
  ['clean']
 
 ]
 export default {
  data() {
   return {
    quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
    content: null,
    editorOption: {
     placeholder: '',
     theme: 'snow', // or 'bubble'
     modules: {
      toolbar: {
       container: toolbarOptions,
       handlers: {
        'image': function (value) {
         if (value) {
          // 触发input框选择图片文件
          document.querySelector('.avatar-uploader input').click()
         } else {
          this.quill.format('image', false);
         }
        }
       }
      }
     }
    },
    serverUrl: '/manager/common/imgUpload', // 这里写你要上传的图片服务器地址
    header: {
     // token: sessionStorage.token
    } // 有的图片服务器要求请求头需要有token
   }
  },
  methods: {
   onEditorChange({editor, html, text}) {//内容改变事件
    console.log("---内容改变事件---")
    this.content = html
    console.log(html)
   },
   // 富文本图片上传前
   beforeUpload() {
    // 显示loading动画
    this.quillUpdateImg = true
   },
 
   uploadSuccess(res, file) {
    // res为图片服务器返回的数据
    // 获取富文本组件实例
    console.log(res);
    let quill = this.$refs.myQuillEditor.quill
    // 如果上传成功
    if (res.code == 200 ) {
     // 获取光标所在位置
     let length = quill.getSelection().index;
     // 插入图片 res.url为服务器返回的图片地址
     quill.insertEmbed(length, 'image', res.url)
     // 调整光标到最后
     quill.setSelection(length + 1)
    } else {
     this.$message.error('图片插入失败')
    }
    // loading动画消失
    this.quillUpdateImg = false
   },
   // 富文本图片上传失败
   uploadError() {
    // loading动画消失
    this.quillUpdateImg = false
    this.$message.error('图片插入失败')
   }
  }
 }

module.exports = {
 dev: {
  // Paths
  assetsSubDirectory: 'static',
  assetsPublicPath: '/',
  host: 'localhost', // can be overwritten by process.env.HOST
  port: 8088, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
  autoOpenBrowser: true,
  cssSourceMap: true,
  proxyTable: {
   '/api': {
    target: 'http://localhost:18080/', //设置调用接口域名和端口号别忘了加http
    changeOrigin: true,
    pathRewrite: {
     '^/api': '/' //这里理解成用‘/api'代替target里面的地址，组件中我们调接口时直接用/api代替
     // 比如我要调用'http://0.0:300/user/add'，直接写‘/api/user/add'即可 代理后地址栏显示/
    }
   },
   '/manager': {
    target: 'http://localhost:18081/',
    changeOrigin: true,
    pathRewrite: {
     '^/manager': '/'
    }
   }
  }
 
 },

<style>
 .ql-editor.ql-blank, .ql-editor {
  height: 350px;
 }
</style>

@RequestMapping(value = "/imgUpload")
  public Map<String ,Object> imgUpload(HttpServletRequest req, MultipartHttpServletRequest multiReq)
      throws IOException {
    
    FileOutputStream fos = new FileOutputStream(
        new File("E://fileupload//upload.jpg"));
    FileInputStream fs = (FileInputStream) multiReq.getFile("img").getInputStream();
    byte[] buffer = new byte[1024];
    int len = 0;
    while ((len = fs.read(buffer)) != -1) {
      fos.write(buffer, 0, len);
    }
    fos.close();
    Map<String ,Object> map=new HashMap<>();
    map.put("code",200);
    map.put("msg","上传成功");
    map.put("url","http://localhost:8080/tomcat.png");
    return map;//这里只做返回值测试用，url 参数为图片上传后访问地址。具体根据功能进行修改}