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href="/handbook/zh/how-to/interaction/coarse-pointer" class="nav-link"><span class="title">智能指针吸附</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%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 < 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] < 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 <= 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"><</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"><</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> |
| <span class="token literal-property property">title</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">text</span><span class="token operator">:</span> <span class="token string">'Waterfall'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">grid</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">left</span><span class="token operator">:</span> <span class="token string">'3%'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">right</span><span class="token operator">:</span> <span class="token string">'4%'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">bottom</span><span class="token operator">:</span> <span class="token string">'3%'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">containLabel</span><span class="token operator">:</span> <span class="token boolean">true</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">xAxis</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'category'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">splitLine</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token literal-property property">show</span><span class="token operator">:</span> <span class="token boolean">false</span> <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><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"><=</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> |
| <span class="token literal-property property">yAxis</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'value'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">series</span><span class="token operator">:</span> <span class="token punctuation">[</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">stack</span><span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">itemStyle</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">normal</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">barBorderColor</span><span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">color</span><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 literal-property property">emphasis</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">barBorderColor</span><span class="token operator">:</span> <span class="token string">'rgba(0,0,0,0)'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">color</span><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> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> help |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'positive'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">stack</span><span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> positive |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'negative'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'bar'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">stack</span><span class="token operator">:</span> <span class="token string">'all'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> negative<span class="token punctuation">,</span> |
| <span class="token literal-property property">itemStyle</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">color</span><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" 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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,o,I,c,n,s,A,h,p,w,b,B,m,G,S,f,H,Z,K,L,y,u,D,R,X,M,T,v,V,z,E,k,N,Y,x,J,O,P,F,W,U,j,Q,_,$,q,ii,ti,ei,ri){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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