antd 对话框、上传图片、轮播图结合在一起antd 对话框、上传图片、轮播图结合在一起
import React, { useState, useEffect, useRef } from 'react' import { Button, Upload, message, Modal, Carousel } from 'antd' import Icon from './Icon' import urls from '../../api/urls' import { imageUrlFormat, addUploadToken, addUploadExtraData, } from '../../utils/tools' let orderType = 'up' export default function UploadImgPlusLightWithOrder({ value = [], msg, onChange, ctype = 'company', }) { const [fileList, setFileList] = useState([]) const [isModalVisible, setIsModalVisible] = useState(false) const carouselEl = useRef(null) const getUrl = (file) => { let url = '' if (file.url) { url = file.url } else if (file.response && file.response.data) { url = file.response.data.fileImg } return url } const handlePreview = (file) => { const currentIndex = fileList.findIndex(item => { return getUrl(item) === getUrl(file) }) carouselEl.current.goTo(currentIndex, false) setIsModalVisible(true) } const uploadProps = { name: 'file', action: urls.light.uploadFile, data: { ctype, ...addUploadExtraData(), }, headers: { ...addUploadToken(), }, //maxCount: 1, listType: 'picture', //listType: "picture-card", fileList: [...fileList], accept: '.jpg', className: 'm-upload-order', showUploadList: { showDownloadIcon: true, downloadIcon: ( <div> <Icon name="top-arrow" title="置顶" className="m-upload-img-icon" onClick={() => { orderType = 'top' }} ></Icon> <Icon name="order-arrow" title="上移" className="m-upload-img-icon" onClick={() => { orderType = 'up' }} ></Icon> <Icon name="order-arrow" title="下移" className="m-upload-img-icon rotate" onClick={() => { orderType = 'down' }} ></Icon> <Icon name="top-arrow" title="置底" className="m-upload-img-icon rotate" onClick={() => { orderType = 'bottom' }} ></Icon> </div> ), showRemoveIcon: true, }, onChange(info) { let fileList = [...info.fileList] setFileList(fileList) if (info.file.status !== 'uploading') { const result = info.fileList.map((item) => { if (item.historyUrl) { return item.historyUrl } else { return item.response.data.filePath } }) console.log(result) if (result.length === 0) { //handleFileList([]) onChange(undefined) } else { //handleFileList(result) onChange(result) } } if (info.file.status === 'done') { message.success(`${info.file.name} 上传成功`) if (info.file.response.state === 1) { const result = info.fileList.map((item) => { if (item.historyUrl) { return item.historyUrl } else { return item.response.data.filePath } }) console.log(result) //handleFileList(result) onChange(result) } } else if (info.file.status === 'error') { message.error(`${info.file.name} 上传失败`) } }, onDownload(file) { let url = '' if (file.url) { url = file.url } else if (file.response && file.response.data) { url = file.response.data.fileImg } console.log(value) console.log(url) if (Array.isArray(value) && value.length > 0) { let index = value.findIndex((item) => { return url.includes(item) }) if (orderType === 'top') { if (index > 0) { const temp = value[index] value.splice(index, 1) value.unshift(temp) handleFileList(value) onChange(value) } } else if (orderType === 'up') { // 利用ES6的解构赋值能更加便捷的进行元素交换 if (index > 0) { ;[value[index - 1], value[index]] = [value[index], value[index - 1]] handleFileList(value) onChange(value) } } else if (orderType === 'down') { if (index < value.length - 1) { ;[value[index + 1], value[index]] = [value[index], value[index + 1]] handleFileList(value) onChange(value) } } else if (orderType === 'bottom') { if (index < value.length - 1) { const temp = value[index] value.splice(index, 1) value.push(temp) handleFileList(value) onChange(value) } } } }, onPreview: handlePreview, } const handleFileList = (value) => { if (Array.isArray(value)) { const tempFileList = value.map((item, index) => { return { uid: index, name: imageUrlFormat(item), status: 'done', url: imageUrlFormat(item), historyUrl: item, } }) setFileList(tempFileList) } } useEffect(() => { handleFileList(value) // eslint-disable-next-line }, []) return ( <span> <Upload {...uploadProps}> <Button>上传图片</Button> <span className="m-upload-text">{msg}</span> </Upload> <Modal title="预览" visible={isModalVisible} onCancel={() => setIsModalVisible(false)} className="m-modal-full-screen m-carousel-modal" footer={null} forceRender > <Carousel className="m-carousel" dots={ {className: "m-dots"} } ref={carouselEl} > {fileList.map((file) => { let url = '' if (file.url) { url = file.url } else if (file.response && file.response.data) { url = file.response.data.fileImg } return ( <div className="m-carousel-img-wrap" key={url}> <img src={url} className="m-carousel-img" alt="img" /> </div> ) })} </Carousel> <div className="m-modal-img-footer"> <Button className="m-space" onClick={() => setIsModalVisible(false)}> 取消 </Button> </div> </Modal> </span> ) }
.m-carousel-modal .ant-carousel{height: 100%;} .m-carousel-modal .slick-list{height: 100%;} .m-carousel-modal .slick-track{height: 100%;} .m-carousel-modal .slick-slide{height: 100%;} .m-carousel-modal .slick-slide>div{height: 100%;} .m-carousel{height: 100%;} .m-carousel-img-wrap{display: flex; height: 100%;} .m-carousel-img{margin: auto;height: 100%;}