react-progress 自定义一个进度条插件
发布时间:2020-12-15 07:20:10 所属栏目:百科 来源:网络整理
导读:不bibi,直接上代码, import React,{ Component } from 'react';import PropTypes from 'prop-types';export default class Progress extends Component { constructor(props) { super(props) } renderProgress () { const progressItemStyle = { width: `$
不bibi,直接上代码, import React,{ Component } from 'react'; import PropTypes from 'prop-types'; export default class Progress extends Component { constructor(props) { super(props) } renderProgress () { const progressItemStyle = { width: `${100/this.props.nums}%`,height: '100%' }; var ele = []; for (var i = 0; i < this.props.nums; i++) { if (i <= this.props.index) { ele.push( <div style={Object.assign(progressItemStyle,{backgroundColor: this.props.progressColor})} key={i}></div> ) } else { ele.push( <div style={progressItemStyle} key={i}></div> ) } } return ele; } render() { const progressStyle = { display: '-webkit-flex',color: this.props.progressColor,margin: '0 25px' }; const progressArticleStyle = { height: 10,border: '1px solid #dabb84',width: '85%',display: '-webkit-flex',borderRadius: 2,overflow: 'hidden',marginTop: 3 }; return ( <div style={progressStyle}> <div style={{width: '15%'}}> {this.props.index + 1}/10 </div> <div style={progressArticleStyle}> {this.renderProgress()} </div> </div> ) } } Progress.propTypes = { nums: PropTypes.number.isRequired,index: PropTypes.number.isRequired,progressColor: PropTypes.string.isRequired }; 就这样调用 <Progress nums={10} index={this.state.examIndex} progressColor='#dabb84' /> 最后实现的效果 然后几个点来提一下, nums: 进度条需要区分的个数, index: 当前进度条所处的位置, progressColor: 进度条颜色, 然后重点是这个renderProgress函数,是根据index来控制进度条当前位置的 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |