<!doctype html>
<html data-n-head-ssr>
  <head>
    <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css">
    <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/gh/apache/echarts-website@asf-site/zh/css/main.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css">
    <title>Handbook - Apache ECharts</title><meta data-n-head="ssr" charset="utf-8"><meta data-n-head="ssr" name="viewport" content="width=device-width,initial-scale=1"><meta data-n-head="ssr" data-hid="description" name="description" content="Apache ECharts Handbook"><meta data-n-head="ssr" data-hid="docsearch:language" name="docsearch:language" content="zh"><base href="/handbook/"><link data-n-head="ssr" rel="icon" type="image/x-icon" href="https://cdn.jsdelivr.net/gh/apache/echarts-website@asf-site/zh/images/favicon.png"><link rel="preload" href="/handbook/_nuxt/6146f21.js" as="script"><link rel="preload" href="/handbook/_nuxt/js/a0d901b415da8e86775e.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/6d160d4.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/08435746bb3f8ba825bd.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/8cca5bf.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/80f1253966298a392915.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/89761e6.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/1dee7a24a3cb648e6c4e.js" as="script"><link rel="preload" href="/handbook/_nuxt/css/1c37eb7.css" as="style"><link rel="preload" href="/handbook/_nuxt/js/a8538eba3f241a324560.js" as="script"><link rel="stylesheet" href="/handbook/_nuxt/css/6d160d4.css"><link rel="stylesheet" href="/handbook/_nuxt/css/8cca5bf.css"><link rel="stylesheet" href="/handbook/_nuxt/css/89761e6.css"><link rel="stylesheet" href="/handbook/_nuxt/css/1c37eb7.css">
  </head>
  <body>
    <div data-server-rendered="true" id="__nuxt"><!----><div id="__layout"><div><nav role="navigation" class="navbar navbar-default navbar-fixed-top"><div class="container-fluid"><div class="navbar-header"><button type="button" data-toggle="collapse" data-target="#navbar-collapse" aria-expanded="false" class="navbar-toggle collapsed"><span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button><a href="https://echarts.apache.org/zh/index.html" class="navbar-brand"><img src="https://cdn.jsdelivr.net/gh/apache/echarts-website@asf-site/zh/images/logo.png?_v_=20200710_1" alt="echarts logo" class="navbar-logo"></a></div><div id="navbar-collapse" class="collapse navbar-collapse"><ul class="nav navbar-nav navbar-left"><li id="nav-index"><a href="https://echarts.apache.org/zh/index.html">首页</a></li><li id="nav-doc" class="dropdown"><a href="#" data-toggle="dropdown" class="dropdown-toggle">文档<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/zh/feature.html">特性</a></li><li><a href="https://echarts.apache.org/handbook/zh/get-started/">使用手册<span class="new">new</span></a></li><li><a href="https://echarts.apache.org/zh/api.html">API</a></li><li><a href="https://echarts.apache.org/zh/option.html">配置项手册</a></li><li><a href="https://echarts.apache.org/zh/changelog.html">版本记录</a></li><li><a href="https://echarts.apache.org/zh/faq.html">常见问题</a></li><li><a href="https://echarts.apache.org/handbook/zh/basics/release-note/v5-upgrade-guide">v5 升级指南<span class="new">new</span></a></li></ul></li><li id="nav-download" class="dropdown"><a href="#" data-toggle="dropdown" class="dropdown-toggle">下载<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/zh/download.html">下载</a></li><li><a href="https://echarts.apache.org/zh/download-theme.html">主题下载</a></li><li><a href="https://echarts.apache.org/zh/download-extension.html">扩展下载</a></li></ul></li><li id="nav-examples"><a href="https://echarts.apache.org/examples/zh/index.html">示例</a></li><li id="nav-resources"><a href="#" data-toggle="dropdown" class="dropdown-toggle">资源<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/zh/spreadsheet.html">表格工具</a></li><li><a href="https://echarts.apache.org/zh/theme-builder.html">主题构建工具</a></li><li><a href="https://echarts.apache.org/zh/cheat-sheet.html">术语速查手册</a></li><li><a href="https://echarts.apache.org/zh/resources.html">更多资源</a></li></ul></li><li id="nav-contribute"><a href="#" data-toggle="dropdown" class="dropdown-toggle">社区<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://echarts.apache.org/zh/events.html">活动</a></li><li><a href="https://echarts.apache.org/zh/committers.html">贡献者列表</a></li><li><a href="https://echarts.apache.org/zh/maillist.html">邮件列表</a></li><li><a href="https://echarts.apache.org/zh/contributing.html">如何贡献</a></li><li><a href="https://echarts.apache.org/zh/dependencies.html">依赖项</a></li><li><a href="https://echarts.apache.org/zh/coding-standard.html">代码规范</a></li><li><a href="https://github.com/apache/echarts" target="_blank">源码（GitHub）<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://github.com/apache/echarts/issues" target="_blank">Issues（GitHub）<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li><li id="nav-others"><a href="#" data-toggle="dropdown" class="dropdown-toggle">ASF<b class="caret"></b></a><ul class="dropdown-menu"><li><a href="https://www.apache.org/" target="_blank">Apache Software Foundation<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://echarts.apache.org/zh/security.html">安全</a></li><li><a href="https://www.apache.org/licenses/" target="_blank">版权<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/events/current-event" target="_blank">活动<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/foundation/sponsorship.html" target="_blank">捐赠<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li><li><a href="https://www.apache.org/foundation/thanks.html" target="_blank">鸣谢<svg width="15px" height="15px" viewbox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="icon-external-link"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></li></ul></li></ul><ul class="nav navbar-nav navbar-right"><li id="nav-homeen"><a href="javascript:;" onclick='changeLang("en")'>EN</a></li></ul></div></div></nav> <div class="page-main"><div class="page-content handbook-content single-page container-fluid row flex-xl-nowrap"><div class="bd-sidebar col-sm-3 col-md-2 closed"><div class="sidebar-search"><input id="handbook-search-intput" type="search" placeholder="搜索手册"> <div class="search-icon"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path></svg></div></div> <div class="bd-docs-nav"><ul class="nav bd-sidenav nav-root level0"><li class="nav-item"><a href="/handbook/zh/get-started" class="nav-link"><span class="title">快速上手</span></a> <ul class="nav bd-sidenav level1" style="display:none"></ul></li><li class="nav-item"><div class="nav-link"><span class="title">入门篇</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/zh/basics/download" class="nav-link"><span class="title">获取 ECharts</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/basics/import" class="nav-link"><span class="title">在项目中引入 ECharts</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/zh/basics/inspiration" class="nav-link"><span class="title">获取灵感</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/basics/help" class="nav-link"><span class="title">寻求帮助</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a class="nav-link"><span class="title">版本特性</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/zh/basics/release-note/v5-feature" class="nav-link"><span class="title">ECharts 5 特性介绍</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/basics/release-note/v5-upgrade-guide" class="nav-link"><span class="title">ECharts 5 升级指南</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/basics/release-note/5-2-0" class="nav-link"><span class="title">5.2</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">概念篇</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/zh/concepts/chart-size" class="nav-link"><span class="title">图表容器及大小</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><!----><li class="nav-item"><a href="/handbook/zh/concepts/style" class="nav-link"><span class="title">样式</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/concepts/dataset" class="nav-link"><span class="title">数据集</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/concepts/data-transform" class="nav-link"><span class="title">数据转换</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/zh/concepts/axis" class="nav-link"><span class="title">坐标轴</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/concepts/visual-map" class="nav-link"><span class="title">视觉映射</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/concepts/legend" class="nav-link"><span class="title">图例</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/concepts/event" class="nav-link"><span class="title">事件与行为</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">应用篇</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a class="nav-link"><span class="title">常用图表类型</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a class="nav-link"><span class="title">柱状图</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/bar/basic-bar" class="nav-link"><span class="title">基础柱状图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/bar/stacked-bar" class="nav-link"><span class="title">堆叠柱状图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/bar/bar-race" class="nav-link"><span class="title">动态排序柱状图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><!----><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/bar/waterfall" class="nav-link"><span class="title">阶梯瀑布图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><!----></ul></li><li class="nav-item"><a class="nav-link"><span class="title">折线图</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/line/basic-line" class="nav-link"><span class="title">基础折线图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/line/stacked-line" class="nav-link"><span class="title">堆叠折线图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/line/area-line" class="nav-link"><span class="title">区域面积图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/line/smooth-line" class="nav-link"><span class="title">平滑曲线图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/line/step-line" aria-current="page" class="nav-link nuxt-link-exact-active nuxt-link-active"><span class="title">阶梯线图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">饼图</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/pie/basic-pie" class="nav-link"><span class="title">基础饼图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/pie/doughnut" class="nav-link"><span class="title">圆环图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/pie/rose" class="nav-link"><span class="title">南丁格尔图（玫瑰图）</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">散点图</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/chart-types/scatter/basic-scatter" class="nav-link"><span class="title">基础散点图</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li></ul></li><!----><li class="nav-item"><a class="nav-link"><span class="title">跨平台方案</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/cross-platform/baidu-app" class="nav-link"><span class="title">百度智能小程序</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/cross-platform/wechat-app" class="nav-link"><span class="title">微信小程序</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/how-to/cross-platform/server" class="nav-link"><span class="title">服务端渲染</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">数据处理</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/data/dynamic-data" class="nav-link"><span class="title">动态的异步数据</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><!----></ul></li><li class="nav-item"><a class="nav-link"><span class="title">标签</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/label/rich-text" class="nav-link"><span class="title">富文本标签</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">交互</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a href="/handbook/zh/how-to/interaction/drag" class="nav-link"><span class="title">拖拽的实现</span></a> <ul class="nav bd-sidenav level3" style="display:none"></ul></li><!----></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">最佳实践</span></div> <ul class="nav bd-sidenav level1"><!----><li class="nav-item"><a href="/handbook/zh/best-practices/canvas-vs-svg" class="nav-link"><span class="title">Canvas vs. SVG</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/zh/best-practices/aria" class="nav-link"><span class="title">无障碍访问</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">编辑本文档</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/zh/meta/edit-guide" class="nav-link"><span class="title">文档编辑指南</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li></ul></div> <div class="open-sidebar"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg></div></div> <div class="bd-content col-sm-7 pl-sm-2 col-12"><div class="post-content content"><div><div class="post-inner"><!----> <div class="nuxt-content"><article><h1 id="%E9%98%B6%E6%A2%AF%E7%BA%BF%E5%9B%BE" tabindex="-1">阶梯线图</h1> <p>阶梯线图又称方波图，它使用水平和垂直的线来连接两个数据点，而普通折线图则直接将两个点连接起来。阶梯线图能够很好地表达数据的突变。</p> <p>在 ECharts 中，系列的 <code>step</code> 属性用来表征阶梯线图的连接类型，它共有三种取值：<code>'start'</code>、<code>'middle'</code> 和 <code>'end'</code>，分别表示在当前点，当前点与下个点的中间点，下个点拐弯。</p> <div class="md-live layout-tb"><div class="md-live-editor"><div class="md-live-editor-container"><div class="prism-editor-wrapper"><div class="prism-editor__container"><textarea spellcheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">option = {
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value'
  },
  series: [
    {
      name: 'Step Start',
      type: 'line',
      step: 'start',
      data: [120, 132, 101, 134, 90, 230, 210]
    },
    {
      name: 'Step Middle',
      type: 'line',
      step: 'middle',
      data: [220, 282, 201, 234, 290, 430, 410]
    },
    {
      name: 'Step End',
      type: 'line',
      step: 'end',
      data: [450, 432, 401, 454, 590, 530, 510]
    }
  ]
};</textarea><pre data-testid="preview" class="prism-editor__editor">option <span class="token operator">=</span> <span class="token punctuation">{</span>
  xAxis<span class="token operator">:</span> <span class="token punctuation">{</span>
    type<span class="token operator">:</span> <span class="token string">'category'</span><span class="token punctuation">,</span>
    data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'Mon'</span><span class="token punctuation">,</span> <span class="token string">'Tue'</span><span class="token punctuation">,</span> <span class="token string">'Wed'</span><span class="token punctuation">,</span> <span class="token string">'Thu'</span><span class="token punctuation">,</span> <span class="token string">'Fri'</span><span class="token punctuation">,</span> <span class="token string">'Sat'</span><span class="token punctuation">,</span> <span class="token string">'Sun'</span><span class="token punctuation">]</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  yAxis<span class="token operator">:</span> <span class="token punctuation">{</span>
    type<span class="token operator">:</span> <span class="token string">'value'</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  series<span class="token operator">:</span> <span class="token punctuation">[</span>
    <span class="token punctuation">{</span>
      name<span class="token operator">:</span> <span class="token string">'Step Start'</span><span class="token punctuation">,</span>
      type<span class="token operator">:</span> <span class="token string">'line'</span><span class="token punctuation">,</span>
      step<span class="token operator">:</span> <span class="token string">'start'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">120</span><span class="token punctuation">,</span> <span class="token number">132</span><span class="token punctuation">,</span> <span class="token number">101</span><span class="token punctuation">,</span> <span class="token number">134</span><span class="token punctuation">,</span> <span class="token number">90</span><span class="token punctuation">,</span> <span class="token number">230</span><span class="token punctuation">,</span> <span class="token number">210</span><span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span>
      name<span class="token operator">:</span> <span class="token string">'Step Middle'</span><span class="token punctuation">,</span>
      type<span class="token operator">:</span> <span class="token string">'line'</span><span class="token punctuation">,</span>
      step<span class="token operator">:</span> <span class="token string">'middle'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">220</span><span class="token punctuation">,</span> <span class="token number">282</span><span class="token punctuation">,</span> <span class="token number">201</span><span class="token punctuation">,</span> <span class="token number">234</span><span class="token punctuation">,</span> <span class="token number">290</span><span class="token punctuation">,</span> <span class="token number">430</span><span class="token punctuation">,</span> <span class="token number">410</span><span class="token punctuation">]</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span>
      name<span class="token operator">:</span> <span class="token string">'Step End'</span><span class="token punctuation">,</span>
      type<span class="token operator">:</span> <span class="token string">'line'</span><span class="token punctuation">,</span>
      step<span class="token operator">:</span> <span class="token string">'end'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">450</span><span class="token punctuation">,</span> <span class="token number">432</span><span class="token punctuation">,</span> <span class="token number">401</span><span class="token punctuation">,</span> <span class="token number">454</span><span class="token punctuation">,</span> <span class="token number">590</span><span class="token punctuation">,</span> <span class="token number">530</span><span class="token punctuation">,</span> <span class="token number">510</span><span class="token punctuation">]</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span><br></pre></div></div></div> <div class="md-live-tag">live</div> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div> <div class="md-live-preview"></div></div> <blockquote><p>请注意这个例子中不同的 <code>step</code> 取值对应的数据点和连线的区别。</p></blockquote></article></div></div> <div class="post-contributors"><h3><span class="inline-block align-middle">本文贡献者</span> <a target="_blank" href="https://github.com/apache/echarts-handbook/tree/master/contents/zh/how-to/chart-types/line/step-line.md" title="编辑本文" class="inline-block align-middle text-sm"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-8 w-8 inline-block align-middle"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path></svg> <span class="inline-block align-middle">在 GitHub 上编辑本页</span></a></h3> <div class="post-contributors-list"><a href="https://github.com/Ovilia" target="_blank" class="post-contributor"><img alt="Ovilia" src="https://avatars.githubusercontent.com/Ovilia?size=60"> <span>Ovilia</span></a><a href="https://github.com/pissang" target="_blank" class="post-contributor"><img alt="pissang" src="https://avatars.githubusercontent.com/pissang?size=60"> <span>pissang</span></a></div></div></div></div></div></div> <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/highlight.js@9.12.0/styles/github-gist.min.css"></div></div></div></div><script>window.__NUXT__=function(t,i,e,r,d,l,a,n,o,c,s,h,g,C,p,I,A,w,b,f,m,u,B,E,y,G,M,D,T,v,x,L,k,R,S,W,z,H,J,P,N,U,Z,F,V,K,O,X,Y,Q,_,j,q,$,tt,it,et){return{layout:"default",data:[{html:'<h1 id="%E9%98%B6%E6%A2%AF%E7%BA%BF%E5%9B%BE" tabindex="-1">阶梯线图</h1>\n<p>阶梯线图又称方波图，它使用水平和垂直的线来连接两个数据点，而普通折线图则直接将两个点连接起来。阶梯线图能够很好地表达数据的突变。</p>\n<p>在 ECharts 中，系列的 <code>step</code> 属性用来表征阶梯线图的连接类型，它共有三种取值：<code>\'start\'</code>、<code>\'middle\'</code> 和 <code>\'end\'</code>，分别表示在当前点，当前点与下个点的中间点，下个点拐弯。</p>\n<md-live lang="js" code="\'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\'" v-bind="{}" />\n<blockquote>\n<p>请注意这个例子中不同的 <code>step</code> 取值对应的数据点和连线的区别。</p>\n</blockquote>\n',postPath:"zh/how-to/chart-types/line/step-line"}],fetch:{},error:r,state:{filled:!1,docVersion:"",ghVersion:"",visibleAffix:!1,homepage:{},adBlocked:!1,focusMode:!1,posts:{zh:[{title:"快速上手",dir:d},{title:"入门篇",dir:l,children:[{title:"获取 ECharts",dir:a},{title:"在项目中引入 ECharts",dir:n},{title:"资源列表",dir:o,draft:t},{title:"获取灵感",dir:c},{title:"寻求帮助",dir:s},{title:"版本特性",dir:h,children:[{title:"ECharts 5 特性介绍",dir:g},{title:"ECharts 5 升级指南",dir:C},{title:5.2,dir:p}]}]},{title:"概念篇",dir:I,children:[{title:"图表容器及大小",dir:A},{title:"配置项",dir:w,draft:t},{title:"系列",dir:b,draft:t},{title:"样式",dir:f},{title:"数据集",dir:m},{title:"数据转换",dir:u},{title:"坐标系",dir:B,draft:t},{title:"坐标轴",dir:E},{title:"视觉映射",dir:e},{title:"图例",dir:y},{title:"事件与行为",dir:G}]},{title:"应用篇",dir:M,children:[{title:"常用图表类型",dir:D,children:[{title:"柱状图",dir:"bar",children:[{title:"基础柱状图",dir:T},{title:"堆叠柱状图",dir:v},{title:"动态排序柱状图",dir:x},{title:"极坐标系柱状图",dir:L,draft:t},{title:"阶梯瀑布图",dir:k},{title:"视觉映射的柱状图",dir:e,draft:t}]},{title:"折线图",dir:R,children:[{title:"基础折线图",dir:S},{title:"堆叠折线图",dir:W},{title:"区域面积图",dir:z},{title:"平滑曲线图",dir:H},{title:"阶梯线图",dir:J}]},{title:"饼图",dir:"pie",children:[{title:"基础饼图",dir:P},{title:"圆环图",dir:N},{title:"南丁格尔图（玫瑰图）",dir:U}]},{title:"散点图",dir:Z,children:[{title:"基础散点图",dir:F}]}]},{title:V,dir:i,draft:t},{title:"跨平台方案",dir:K,children:[{title:"百度智能小程序",dir:"baidu-app"},{title:"微信小程序",dir:"wechat-app"},{title:"服务端渲染",dir:O}]},{title:"数据处理",dir:X,children:[{title:"动态的异步数据",dir:Y},{title:"数据下钻",dir:Q,draft:t}]},{title:"标签",dir:"label",children:[{title:"富文本标签",dir:_}]},{title:"交互",dir:j,children:[{title:"拖拽的实现",dir:"drag"},{title:"多图联动",dir:q,draft:t}]}]},{title:"最佳实践",dir:$,children:[{title:V,dir:i,draft:t},{title:tt,dir:it},{title:"无障碍访问",dir:"aria"}]},{title:"编辑本文档",dir:"meta",children:[{title:"文档编辑指南",dir:et}]}],en:[{title:"Get Started",dir:d},{title:"Basics",dir:l,children:[{title:"Download ECharts",dir:a},{title:"Import ECharts",dir:n},{title:"Resources",dir:o,draft:t},{title:"Inspiration",dir:c},{title:"Get Help",dir:s},{title:"What's New",dir:h,children:[{title:"ECharts 5 Features",dir:g},{title:"ECharts 5 Upgrade Guide",dir:C},{title:5.2,dir:p}]}]},{title:"Concepts",dir:I,children:[{title:"Chart Container",dir:A},{title:"Chart Option",dir:w,draft:t},{title:"Series",dir:b,draft:t},{title:"Style",dir:f},{title:"Dataset",dir:m},{title:"Data Transform",dir:u},{title:"Coordinate",dir:B,draft:t},{title:"Axis",dir:E},{title:"Visual Mapping",dir:e},{title:"Legend",dir:y},{title:"Event and Action",dir:G}]},{title:"How To Guides",dir:M,children:[{title:"Common Charts",dir:D,children:[{title:"Bar",dir:"bar",children:[{title:"Basic Bar",dir:T},{title:"Stacked Bar",dir:v},{title:"Bar Racing",dir:x},{title:"Bar Polar",dir:L,draft:t},{title:"Waterfall",dir:k}]},{title:"Line",dir:R,children:[{title:"Basic Line",dir:S},{title:"Stacked Line",dir:W},{title:"Area Chart",dir:z},{title:"Smoothed Line",dir:H},{title:"Step Line",dir:J}]},{title:"Pie",dir:"pie",children:[{title:"Basic Pie",dir:P},{title:"Ring Style",dir:N},{title:"Rose Style",dir:U}]},{title:"Scatter",dir:Z,children:[{title:"Basic Scatter",dir:F}]}]},{title:"Mobile",dir:i,draft:t},{title:"Cross Platform",dir:K,children:[{title:"Server Side Rendering",dir:O}]},{title:"Data",dir:X,children:[{title:"Dynamic Data",dir:Y},{title:"Drilldown",dir:Q,draft:t}]},{title:"Label",dir:"label",children:[{title:"Rich Text",dir:_}]},{title:"Interaction",dir:j,children:[{title:"Drag",dir:"drag"},{title:"Connect",dir:q,draft:t}]}]},{title:"Best Practices",dir:$,children:[{title:"Mobile Optimization",dir:i,draft:t},{title:tt,dir:it},{title:"Aria",dir:"aria"}]},{title:"Edit Handbook",dir:"meta",children:[{title:"Edit Guide",dir:et}]}]},config:{routerBase:"/handbook",rootPath:"https://echarts.apache.org/handbook/",exampleViewPath:"https://echarts.apache.org/examples/${lang}/view.html?c=",exampleEditorPath:"https://echarts.apache.org/examples/${lang}/editor.html?c=",mainSitePath:"https://echarts.apache.org/",optionPath:"https://echarts.apache.org/option.html#",gitRepo:"apache/echarts-handbook"},i18n:{routeParams:{}}},serverRendered:t,routePath:"/zh/how-to/chart-types/line/step-line",config:{_app:{basePath:"/handbook/",assetsPath:"/handbook/_nuxt/",cdnURL:r}}}}(!0,"mobile","visual-map",null,"get-started","basics","download","import","resource","inspiration","help","release-note","v5-feature","v5-upgrade-guide","5-2-0","concepts","chart-size","options","series","style","dataset","data-transform","coordinate","axis","legend","event","how-to","chart-types","basic-bar","stacked-bar","bar-race","polar-bar","waterfall","line","basic-line","stacked-line","area-line","smooth-line","step-line","basic-pie","doughnut","rose","scatter","basic-scatter","移动端优化","cross-platform","server","data","dynamic-data","drilldown","rich-text","interaction","connect","best-practices","Canvas vs. SVG","canvas-vs-svg","edit-guide")</script><script src="/handbook/_nuxt/6146f21.js" defer></script><script src="/handbook/_nuxt/js/1dee7a24a3cb648e6c4e.js" defer></script><script src="/handbook/_nuxt/js/a8538eba3f241a324560.js" defer></script><script src="/handbook/_nuxt/js/a0d901b415da8e86775e.js" defer></script><script src="/handbook/_nuxt/js/08435746bb3f8ba825bd.js" defer></script><script src="/handbook/_nuxt/js/80f1253966298a392915.js" defer></script>
    <script type="text/javascript">document.getElementById("nav-doc").className="active"</script>
    <script src="https://cdn.jsdelivr.net/npm/jquery@2.2.4/dist/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
  </body>
</html>