--- order: 3 title: zh-CN: 照片墙 en-US: Pictures Wall --- ## zh-CN 用户可以上传图片并在列表中显示缩略图。当上传照片数到达限制后,上传按钮消失。 ## en-US After users upload picture, the thumbnail will be shown in list. The upload button will disappear when count meets limitation. ```jsx import { Upload, Modal } from 'antd'; import { PlusOutlined } from '@ant-design/icons'; function getBase64(file) { return new Promise((resolve, reject) => { const reader = new FileReader(); reader.readAsDataURL(file); reader.onload = () => resolve(reader.result); reader.onerror = error => reject(error); }); } class PicturesWall extends React.Component { state = { previewVisible: false, previewImage: '', fileList: [ { uid: '-1', name: 'image.png', status: 'done', url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png', }, { uid: '-2', name: 'image.png', status: 'done', url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png', }, { uid: '-3', name: 'image.png', status: 'done', url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png', }, { uid: '-4', name: 'image.png', status: 'done', url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png', }, { uid: '-5', name: 'image.png', status: 'error', }, ], }; handleCancel = () => this.setState({ previewVisible: false }); handlePreview = async file => { if (!file.url && !file.preview) { file.preview = await getBase64(file.originFileObj); } this.setState({ previewImage: file.url || file.preview, previewVisible: true, }); }; handleChange = ({ fileList }) => this.setState({ fileList }); render() { const { previewVisible, previewImage, fileList } = this.state; const uploadButton = (