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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%80%91%E5%B8%83%E5%9B%BE" tabindex="-1">阶梯瀑布图</h1> <p>Apache ECharts 中并没有单独的瀑布图类型，但是我们可以使用堆叠的柱状图模拟该效果。</p> <p>假设数据数组中的值是表示对前一个值的增减：</p> <div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code><span class="token keyword">var</span> data <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token number">900</span><span class="token punctuation">,</span> <span class="token number">345</span><span class="token punctuation">,</span> <span class="token number">393</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">108</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">154</span><span class="token punctuation">,</span> <span class="token number">135</span><span class="token punctuation">,</span> <span class="token number">178</span><span class="token punctuation">,</span> <span class="token number">286</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">119</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">361</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">203</span><span class="token punctuation">]</span><span class="token punctuation">;</span></code></pre></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> <p>也就是第一个数据是 <code>900</code>，第二个数据 <code>345</code> 表示的是在 <code>900</code> 的基础上增加了 <code>345</code>……将这个数据展示为阶梯瀑布图时，我们可以使用三个系列：第一个是不可交互的透明系列，用来实现“悬空”的柱状图效果；第二个系列用来表示正数；第三个系列用来表示负数。</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">var data = [900, 345, 393, -108, -154, 135, 178, 286, -119, -361, -203];
var help = [];
var positive = [];
var negative = [];
for (var i = 0, sum = 0; i &lt; data.length; ++i) {
  if (data[i] >= 0) {
    positive.push(data[i]);
    negative.push('-');
  } else {
    positive.push('-');
    negative.push(-data[i]);
  }

  if (i === 0) {
    help.push(0);
  } else {
    sum += data[i - 1];
    if (data[i] &lt; 0) {
      help.push(sum + data[i]);
    } else {
      help.push(sum);
    }
  }
}

option = {
  title: {
    text: 'Waterfall'
  },
  grid: {
    left: '3%',
    right: '4%',
    bottom: '3%',
    containLabel: true
  },
  xAxis: {
    type: 'category',
    splitLine: { show: false },
    data: (function() {
      var list = [];
      for (var i = 1; i &lt;= 11; i++) {
        list.push('Oct/' + i);
      }
      return list;
    })()
  },
  yAxis: {
    type: 'value'
  },
  series: [
    {
      type: 'bar',
      stack: 'all',
      itemStyle: {
        normal: {
          barBorderColor: 'rgba(0,0,0,0)',
          color: 'rgba(0,0,0,0)'
        },
        emphasis: {
          barBorderColor: 'rgba(0,0,0,0)',
          color: 'rgba(0,0,0,0)'
        }
      },
      data: help
    },
    {
      name: 'positive',
      type: 'bar',
      stack: 'all',
      data: positive
    },
    {
      name: 'negative',
      type: 'bar',
      stack: 'all',
      data: negative,
      itemStyle: {
        color: '#f33'
      }
    }
  ]
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">var</span> data <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token number">900</span><span class="token punctuation">,</span> <span class="token number">345</span><span class="token punctuation">,</span> <span class="token number">393</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">108</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">154</span><span class="token punctuation">,</span> <span class="token number">135</span><span class="token punctuation">,</span> <span class="token number">178</span><span class="token punctuation">,</span> <span class="token number">286</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">119</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">361</span><span class="token punctuation">,</span> <span class="token operator">-</span><span class="token number">203</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> help <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> positive <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">var</span> negative <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> sum <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator">&lt;</span> data<span class="token punctuation">.</span>length<span class="token punctuation">;</span> <span class="token operator">++</span>i<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">if</span> <span class="token punctuation">(</span>data<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">>=</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    positive<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>data<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    negative<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token string">'-'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    positive<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token string">'-'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    negative<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token operator">-</span>data<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

  <span class="token keyword">if</span> <span class="token punctuation">(</span>i <span class="token operator">===</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    help<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    sum <span class="token operator">+=</span> data<span class="token punctuation">[</span>i <span class="token operator">-</span> <span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span>data<span class="token punctuation">[</span>i<span class="token punctuation">]</span> <span class="token operator">&lt;</span> <span class="token number">0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      help<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>sum <span class="token operator">+</span> data<span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
      help<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>sum<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>

option <span class="token operator">=</span> <span class="token punctuation">{</span>
  title<span class="token operator">:</span> <span class="token punctuation">{</span>
    text<span class="token operator">:</span> <span class="token string">'Waterfall'</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  grid<span class="token operator">:</span> <span class="token punctuation">{</span>
    left<span class="token operator">:</span> <span class="token string">'3%'</span><span class="token punctuation">,</span>
    right<span class="token operator">:</span> <span class="token string">'4%'</span><span class="token punctuation">,</span>
    bottom<span class="token operator">:</span> <span class="token string">'3%'</span><span class="token punctuation">,</span>
    containLabel<span class="token operator">:</span> <span class="token boolean">true</span>
  <span class="token punctuation">}</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>
    splitLine<span class="token operator">:</span> <span class="token punctuation">{</span> show<span class="token operator">:</span> <span class="token boolean">false</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
    data<span class="token operator">:</span> <span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
      <span class="token keyword">var</span> list <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
      <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">var</span> i <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span> i <span class="token operator">&lt;=</span> <span class="token number">11</span><span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        list<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token string">'Oct/'</span> <span class="token operator">+</span> i<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span>
      <span class="token keyword">return</span> list<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>
  <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>
      type<span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span>
      stack<span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span>
      itemStyle<span class="token operator">:</span> <span class="token punctuation">{</span>
        normal<span class="token operator">:</span> <span class="token punctuation">{</span>
          barBorderColor<span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span><span class="token punctuation">,</span>
          color<span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span>
        <span class="token punctuation">}</span><span class="token punctuation">,</span>
        emphasis<span class="token operator">:</span> <span class="token punctuation">{</span>
          barBorderColor<span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span><span class="token punctuation">,</span>
          color<span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span>
        <span class="token punctuation">}</span>
      <span class="token punctuation">}</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> help
    <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">'positive'</span><span class="token punctuation">,</span>
      type<span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span>
      stack<span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> positive
    <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">'negative'</span><span class="token punctuation">,</span>
      type<span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span>
      stack<span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span>
      data<span class="token operator">:</span> negative<span class="token punctuation">,</span>
      itemStyle<span class="token operator">:</span> <span class="token punctuation">{</span>
        color<span class="token operator">:</span> <span class="token string">'#f33'</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></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/bar/waterfall.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/robyle" target="_blank" class="post-contributor"><img alt="robyle" src="https://avatars.githubusercontent.com/robyle?size=60"> <span>robyle</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="//fastly.jsdelivr.net/npm/highlight.js@9.12.0/styles/github-gist.min.css"></div></div></div></div><script>window.__NUXT__=function(i,t,e,r,d,l,a,g,C,I,o,c,n,s,A,h,p,w,b,B,m,G,S,f,H,Z,K,L,y,D,R,X,u,M,T,v,V,z,E,k,N,Y,x,J,O,F,P,W,U,j,Q,_,$,q,ii,ti,ei,ri,di){return{layout:"default",data:[{html:'<h1 id="%E9%98%B6%E6%A2%AF%E7%80%91%E5%B8%83%E5%9B%BE" tabindex="-1">阶梯瀑布图</h1>\n<p>Apache ECharts 中并没有单独的瀑布图类型，但是我们可以使用堆叠的柱状图模拟该效果。</p>\n<p>假设数据数组中的值是表示对前一个值的增减：</p>\n<md-code-block lang="js" code="\'dmFyIGRhdGEgPSBbOTAwLCAzNDUsIDM5MywgLTEwOCwgLTE1NCwgMTM1LCAxNzgsIDI4NiwgLTExOSwgLTM2MSwgLTIwM107\'" line-highlights="\'\'" />\n<p>也就是第一个数据是 <code>900</code>，第二个数据 <code>345</code> 表示的是在 <code>900</code> 的基础上增加了 <code>345</code>……将这个数据展示为阶梯瀑布图时，我们可以使用三个系列：第一个是不可交互的透明系列，用来实现“悬空”的柱状图效果；第二个系列用来表示正数；第三个系列用来表示负数。</p>\n<md-live lang="js" 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