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style="display:none"></ul></li><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></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">动画</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/animation/transition" class="nav-link"><span class="title">数据过渡动画</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>
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    <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>
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    <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/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="//fastly.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,y,E,v,M,D,G,T,x,L,k,R,S,W,z,H,J,P,N,Z,F,U,V,K,O,X,Y,Q,_,j,q,$,tt,it,et,rt,dt){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> 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