详解wepy开发小程序踩过的坑(小结)

$ npm install vue-quill-editor element-ui --save

<template>
 <div class="editor">
  <quill-editor
   v-model="content"
   ref="myQuillEditor"
   :options="editorOption"
   @focus="onEditorFocus($event)"
   @change="onEditorChange($event)">
   <!-- @blur="onEditorBlur($event)" -->
  </quill-editor>
  <!-- 文件上传input 将它隐藏-->
  <el-upload
   class="upload-demo"
   :action="qnLocation"
   :before-upload='beforeUpload'
   :data="uploadData"
   :on-success='upScuccess'
   ref="upload"
   style="display:none">
   <el-button
    size="small"
    type="primary"
    id="imgInput"
    v-loading.fullscreen.lock="fullscreenLoading">
   </el-button>
  </el-upload>
  <div class="btn_box flex">
   <button class="flex-1 save_draft" @click="handleCancel">取消</button>
   <button class="flex-1 save_release" @click="handleSubmit" :disabled="!content">确定</button>
  </div>
 </div>
</template>

<script>
import Quill from 'quill'
import api from '@/request/api'
import Cookies from 'js-cookie'

const DOMAIN = 'https://img.makeapoint.info/'

export default {
 name: 'qillEditor',
 computed: {
  editor() {
   return this.$refs.myQuillEditor.quill
  }
 },
 created () {
  this.$nextTick(() => {
   if (this.$route.query.content) {
    this.content = this.$route.query.content
    this.tempRichText = this.content
   }
   let token = this.$route.query.currentToken
   Cookies.set('currentToken_mini', token)
  })
 },
 mounted () {
  this.$refs.myQuillEditor.quill.getModule('toolbar').addHandler('image', this.imgHandler)
 },
 data () {
  return {
   qnLocation: 'https://up-z2.qbox.me',
   uploadData: {}, // 上传参数
   fullscreenLoading: false,
   addRange: [],
   uploadType: '', // 上传的文件类型
   content: '', // 提交的富文本内容
   tempRichText: '', // 临时富文本内容
   editorOption: { // 自定义菜单
    placeholder: "请输入游记正文",
    modules: {
     toolbar: [
      // ['bold', 'italic', 'underline', 'strike'],
      // [{ 'header': 1 }, { 'header': 2 }],
      [{ 'list': 'ordered' }, { 'list': 'bullet' }],
      // [{ 'script': 'sub' }, { 'script': 'super' }],
      // [{ 'indent': '-1' }, { 'indent': '+1' }], // 缩进
      // [{ 'direction': 'rtl' }], // 反向
      // [{ 'size': ['small', false, 'large', 'huge'] }], // 字体大小
      // [{ 'header': [1, 2, 3, 4, 5, 6, false] }], // 标题
      // [{ 'font': [] }], // 字体
      [{ 'color': [] }, { 'background': [] }],
      [{ 'align': [] }],
      ['blockquote'],
      ['link', 'image'],
      ['clean']
     ]
    }
   }
  }
 },
 methods: {
  handleCancel () { // 回退至小程序
   window.wx.miniProgram.navigateBack({
    delta: 1
   })
   window.wx.miniProgram.postMessage({ // 向小程序发送数据
    data: this.tempRichText
   })
  },
  handleSubmit () { // 返回小程序并提交富文本内容
   window.wx.miniProgram.navigateBack({
    delta: 1
   })
   window.wx.miniProgram.postMessage({ // 向小程序发送数据
    data: this.content
   })
  },
  // 图片上传前获得数据token数据
  qnUpload (file) {
   this.fullscreenLoading = true
   const suffix = file.name.split('.')
   const ext = suffix.splice(suffix.length - 1, 1)[0]
   return api.upload().then(res => {
    this.uploadData = {
     key: `image/${suffix.join('.')}_${new Date().getTime()}.${ext}`,
     token: res.data.data
    }
   })
  },
  // 图片上传之前调取的函数
  beforeUpload (file) {
   return this.qnUpload(file)
  },
  // 图片上传成功回调插入到编辑器中
  upScuccess (e, file, fileList) {
   this.fullscreenLoading = false
   let url = ''
   url = DOMAIN + e.key
   if (url != null && url.length > 0) { // 将文件上传后的URL地址插入到编辑器文本中
    let value = url
    this.addRange = this.$refs.myQuillEditor.quill.getSelection()
    // 调用编辑器的 insertEmbed 方法，插入URL
    this.$refs.myQuillEditor.quill.insertEmbed(this.addRange !== null ? this.addRange.index : 0, this.uploadType, value, Quill.sources.USER)
   }
   this.$refs['upload'].clearFiles() // 插入成功后清除input的内容
  },
  // 点击图片icon触发事件
  imgHandler(state) {
   this.addRange = this.$refs.myQuillEditor.quill.getSelection()
   if (state) {
    let fileInput = document.getElementById('imgInput')
    fileInput.click() // 加一个触发事件
   }
   this.uploadType = 'image'
  },
  // 点击视频icon触发事件
  // videoHandler(state) {
  //  this.addRange = this.$refs.myQuillEditor.quill.getSelection()
  //  if (state) {
  //   let fileInput = document.getElementById('imgInput')
  //   fileInput.click() // 加一个触发事件
  //  }
  //  this.uploadType = 'video'
  // },
  // onEditorBlur(editor) {
  //  this.content = html
  // },
  // 编辑器获得光标
  onEditorFocus(editor) {
   editor.enable(true)
  },
  // 编辑器文本发生变化
  onEditorChange({ editor, html, text }) {
   this.content = html
  }
 }
}
</script>

<style lang="less">
.quill-editor {
 .ql-container {
  min-height: 50vh;
 }
}
.ql-editor img {
 width: 100%;
 height: 200px;
}
</style>

<style lang="less" scoped>
.editor {
 width: 100%;
 height: 100vh;
 .flex {
  display: flex;
 }
 .flex-1 {
  flex: 1;
 }
 .btn_box {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  line-height: 50px;
  z-index: 999;
  background: #FAFAFA;
  box-shadow:0px 1px 0px 0px rgba(217,217,217,0.5);
  border-top: 1px solid #D9D9D9;
  text-align: center;
  button {
   font-size: 16px;
   line-height: 50px;
   margin: 0;
   padding: 0;
   border: 1px solid #D9D9D9; //自定义边框
   outline: none;
  }
  .save_draft{
   color: #B3B3B3;
   border-right: 1px solid #D9D9D9;
  }
  .save_release{
   color: #fff;
   border: 1px solid #00DBD2;
   background: #00DBD2
  }
 }
}
</style>

wx.miniProgram.navigateBack({delta: 1})
wx.miniProgram.postMessage({ data: '数据' })

<web-view src="{{url}}" bindmessage="handleGetmsg"></web-view>
methods = {
  handleGetmsg (ev) {
   this.data = ev.detail.data[0]
   this.$apply()
  }
}