react-quill 富文本编辑器 ---- 图片处理

import React,{Component} from 'react';
import ReactQuill,{ Quill } from 'react-quill';
import 'react-quill/dist/quill.snow.css';
import { Button ,Modal,message} from 'antd';
import MYURL  from '../api/config';
import { ImageDrop } from 'quill-image-drop-module';
Quill.register('modules/imageDrop', ImageDrop);
class Editer extends Component { constructor(props) { super(props)
this.state = { text: '' } // You can also pass a Quill Delta here this.handleChange = this.handleChange.bind(this) this.selectImage = this.selectImage.bind(this); this.changeImageBeforeUpload = this.changeImageBeforeUpload.bind(this); this.uploadForImage = this.uploadForImage.bind(this); this.imageHandler = this.imageHandler.bind(this); this.showUploadBox = this.showUploadBox.bind(this); this.hideUploadBox =this.hideUploadBox.bind(this); this.handleUpload =this.handleUpload.bind(this); } handleChange(value) { // if (value) ReactQuill.getSelection().dangerouslyPasteHTML(value); this.setState({ text: value }) }; modules={//富文本配置 toolbar:{ container:[ [{ 'header': [1, 2, 3, 4, 5, 6, false] }], ['bold', 'italic', 'underline', 'strike','blockquote'], // toggled buttons ['blockquote', 'code-block'], // [{ 'header': 1 }, { 'header': 2 }], // custom button values [{ 'script': 'sub'}, { 'script': 'super' }], // superscript/subscript [{ 'indent': '-1'}, { 'indent': '+1' }], // outdent/indent [{ 'direction': 'rtl' }], // text direction [{ 'size': ['small', false, 'large', 'huge'] }], // custom dropdown [{'list': 'ordered'}, {'list': 'bullet'}, {'indent': '-1'}, {'indent': '+1'},{ 'align': [] }], [{ 'color': [] }, { 'background': [] }], // dropdown with defaults from theme [{ 'font': [] }], [{ 'align': [] }], ['link', 'image', 'video'], ['clean'], ], handlers: { 'image':this.showUploadBox.bind(this) } }, imageDrop: true, }; showUploadBox(){ this.setState({ uploadBoxVisible:true }); }; hideUploadBox(){ this.setState({ uploadBoxVisible:false }); }; selectImage(){ this.refs.uploadInput.click();//点击modal的html结构中的input标签 }; changeImageBeforeUpload(e){ const file = e.target.files[0]; if (!file) { return; } let src; // 匹配类型为image/开头的字符串 if (file.type==="image/png"||file.type==="image/jpeg") { src = URL.createObjectURL(file); }else{ message.error("图片上传只支持JPG/PNG格式,请重新上传!"); return; } if (file.size/1024/1024>5) { message.error("图片上传大小不要超过5MB,请重新上传!"); return; } this.setState({ src:src, file:file }) console.log('eeeeeee',window) } /*3.开始上传图片*/ handleUpload(){ let this_=this; /*调用上传图片的封装方法*/ if(!this.state.file){ alert('请选择图片!!') }else{ let fileServerAddr = MYURL.fileServer //服务器地址 let file =this.state.file.name let size =this.state.file.size this.uploadForImage(fileServerAddr,file,size,function (response) {//回调函数处理进度和后端返回值 console.log('res----?>',response) if ((response && response.status === 200) ||(response && response.status === "200")) { message.success("上传成功!"); this_.hideUploadBox();//隐藏弹框 console.log("response.data.url???=>",response.data.url) this_.imageHandler(response.data.url);//处理插入图片到编辑器 }else if (response && response.status !== 200) { message.error(response.msg) } }, localStorage.getItem("access_token")); } }; uploadForImage(url,data,size,callback,token) {//data是数据列表 if (!data) { alert('请选择图片!!') console.log('未选择文件'); return; }else{ let xhr = new XMLHttpRequest(); let formdata = new FormData(); formdata.append('file', data); formdata.append('fileSize', size); xhr.onload=() =>{ if(xhr.status === 200 ||xhr.statusn ==='200' ){ let response =JSON.parse(xhr.response) console.log('res====',response) callback(response); } }; // xhr.open('POST', url, true); // 第三个参数为async?,异步/同步 xhr.open('GET', url, true); // 第三个参数为async?,异步/同步 xhr.setRequestHeader("accessToken",token); xhr.send(formdata); } } /*4.处理图片插入*/ imageHandler(url){ if (typeof this.reactQuillRef.getEditor !== 'function') return; const quill = this.reactQuillRef.getEditor() var range = quill.getSelection(); let index = range ? range.index : 0; quill.insertEmbed(index, "image",url, Quill.sources.USER);//插入图片 quill.setSelection(index + 1);//光标位置加1 console.log("quill.getSelection.======",quill.getSelection().index) }; render() { return ( <div style={{maxHeight:"500px"}}> <ReactQuill id="ddd" ref={(el) =>{this.reactQuillRef = el}} value={this.state.text} onChange={this.handleChange} theme={"snow"} modules={this.modules} style={{height:"300px"}} /> <Modal title="上传图片" visible={this.state.uploadBoxVisible} onCancel={this.hideUploadBox} onOk={ this.handleUpload } maskClosable={false} width={500} > <div className="ImagaBox" > <div> <Button onClick={this.selectImage.bind(this)} style={{background:"#18ade4",border:"none",color:"#fff"}}> 选择图片 </Button> <input ref="uploadInput" type='file' accept='image/*' style={{width:"100px",border:"none",visibility:"hidden"}} onChange={this.changeImageBeforeUpload.bind(this)} /> </div> <div style={{textAlign:"center",margin:"10px 0"}}> {this.state.src? <img src={this.state.src} alt="" style={{maxWidth:"100%",height:"300px"}}/> : <div style={{background:"#f2f2f2",width:"100%",height:"300px"}}></div> } </div> </div> </Modal> </div> ) } }; export default Editer;

 

posted @ 2019-04-10 11:09  起个名字真难1  阅读(4139)  评论(0编辑  收藏  举报