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},\n",[1615,2533,2535],{"class":1617,"line":2534},24,[1615,2536,2461],{"class":1624},[1615,2538,2540,2542,2544,2546,2548,2550],{"class":1617,"line":2539},25,[1615,2541,2467],{"class":1789},[1615,2543,1625],{"class":1624},[1615,2545,1639],{"class":1624},[1615,2547,1805],{"class":1642},[1615,2549,1646],{"class":1624},[1615,2551,1649],{"class":1624},[1615,2553,2555,2557,2559,2561,2563,2565],{"class":1617,"line":2554},26,[1615,2556,2483],{"class":1789},[1615,2558,1625],{"class":1624},[1615,2560,1639],{"class":1624},[1615,2562,1617],{"class":1642},[1615,2564,1646],{"class":1624},[1615,2566,1649],{"class":1624},[1615,2568,2570,2572,2574,2576,2578,2580,2582,2584,2586,2588,2590,2592,2594,2596],{"class":1617,"line":2569},27,[1615,2571,2499],{"class":1789},[1615,2573,1625],{"class":1624},[1615,2575,1790],{"class":2041},[1615,2577,2166],{"class":2090},[1615,2579,1800],{"class":1624},[1615,2581,2171],{"class":2090},[1615,2583,1800],{"class":1624},[1615,2585,2176],{"class":2090},[1615,2587,1800],{"class":1624},[1615,2589,2181],{"class":2090},[1615,2591,1800],{"class":1624},[1615,2593,2186],{"class":2090},[1615,2595,1810],{"class":2041},[1615,2597,1649],{"class":1624},[1615,2599,2601],{"class":1617,"line":2600},28,[1615,2602,2531],{"class":1624},[1615,2604,2606,2609],{"class":1617,"line":2605},29,[1615,2607,2608],{"class":2041},"    ]",[1615,2610,1649],{"class":1624},[1615,2612,2614,2617,2620],{"class":1617,"line":2613},30,[1615,2615,2616],{"class":1624},"}",[1615,2618,2619],{"class":2041},")",[1615,2621,2622],{"class":1624},";\n",[1535,2624],{},[1526,2626,2628],{"id":2627},"小节总结","🧾 小节总结",[1557,2630,2631,2634,2645,2657,2665],{},[1560,2632,2633],{},"option 是图表的“设计图纸”，外观、数据、交互都由它描述。",[1560,2635,2636,2638,2639,2641,2642,2644],{},[1544,2637,1564],{}," 管标题，",[1544,2640,1592],{}," 管悬停提示，",[1544,2643,1570],{}," 管图例。",[1560,2646,2647,2650,2651,2653,2654,2656],{},[1544,2648,2649],{},"tooltip.trigger"," 选 ",[1544,2652,1750],{},"（折线/柱状）或 ",[1544,2655,1740],{},"（饼图/散点）。",[1560,2658,2659,2661,2662,2664],{},[1544,2660,1824],{}," 必须与系列的 ",[1544,2663,1831],{}," 完全一致才能联动。",[1560,2666,2667,2669,2670,2672],{},[1544,2668,1586],{}," 是数组，每项一组数据加一种 ",[1544,2671,1967],{},"，多系列可实现混合图表。",[1535,2674],{},[1526,2676,2678],{"id":2677},"知识问答","❓ 知识问答",[1531,2680,2681],{},[1549,2682,2683],{},"Q1：为什么图例不显示？",[1531,2685,2686,2687,2689,2690,2692,2693,2695],{},"先检查 ",[1544,2688,1824],{}," 是否和 ",[1544,2691,1586],{}," 里的 ",[1544,2694,1831],{}," 完全一致，包括大小写和中文字符。",[1531,2697,2698],{},[1549,2699,2700,2701,2703],{},"Q2：",[1544,2702,1592],{}," 不加会怎样？",[1531,2705,2706],{},"图表照常显示，但鼠标悬停时没有数值提示。实际项目基本都建议加上。",[1531,2708,2709],{},[1549,2710,2711],{},"Q3：yAxis 为什么不写 data？",[1531,2713,2714,2715,1996],{},"数值轴的刻度是 ECharts 根据系列数据自动计算的，写了反而会限制它。只有类目轴才需要手动给 ",[1544,2716,1983],{},[1531,2718,2719],{},[1549,2720,2721],{},"Q4：series 里能放几种不同的 type？",[1531,2723,2724],{},"没有数量限制。常见的组合是柱状图加折线图，一个看总量、一个看趋势。",[1535,2726],{},[1526,2728,2730],{"id":2729},"小练习","🧪 小练习",[1531,2732,2733],{},"补全下面的配置，画出“三门课程的成绩对比图”：",[2735,2736,2737,2742,2745,2748],"ol",{},[1560,2738,2739,2741],{},[1544,2740,1576],{}," 显示语文、数学、英语三科。",[1560,2743,2744],{},"系列一是“小明”的成绩（柱状图）：80、90、85。",[1560,2746,2747],{},"系列二是“小红”的成绩（柱状图）：85、88、92。",[1560,2749,2750],{},"配上标题、图例和 axis 触发的提示框。",[1606,2752,2754],{"className":1608,"code":2753,"language":1610,"meta":1611,"style":1611},"chart.setOption({\n    // 请在这里编写代码\n});\n",[1544,2755,2756,2768,2774],{"__ignoreMap":1611},[1615,2757,2758,2760,2762,2764,2766],{"class":1617,"line":1618},[1615,2759,2227],{"class":2041},[1615,2761,2230],{"class":1624},[1615,2763,2234],{"class":2233},[1615,2765,2237],{"class":2041},[1615,2767,2240],{"class":1624},[1615,2769,2770],{"class":1617,"line":1631},[1615,2771,2773],{"class":2772},"syuKq","    // 请在这里编写代码\n",[1615,2775,2776,2778,2780],{"class":1617,"line":1652},[1615,2777,2616],{"class":1624},[1615,2779,2619],{"class":2041},[1615,2781,2622],{"class":1624},[1535,2783],{},[1531,2785,2786],{},"🎉 恭喜你已经能看懂并写出完整的 option 了！下一篇我们逐个学习常用的图表类型，让你的图表库丰富起来。",[2788,2789,2790],"style",{},"html pre.shiki code .sYGMc, html code.shiki .sYGMc{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sd2Uz, html code.shiki .sd2Uz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sndM8, html code.shiki .sndM8{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .smPcV, html code.shiki .smPcV{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .syuKq, html code.shiki .syuKq{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}",{"title":1611,"searchDepth":1631,"depth":1631,"links":2792},[2793,2794,2795,2796,2797,2798,2799,2800,2801,2802],{"id":1528,"depth":1631,"text":1529},{"id":1539,"depth":1631,"text":1540},{"id":1598,"depth":1631,"text":1599},{"id":1759,"depth":1631,"text":1760},{"id":1841,"depth":1631,"text":1842},{"id":2018,"depth":1631,"text":2019},{"id":2213,"depth":1631,"text":2214},{"id":2627,"depth":1631,"text":2628},{"id":2677,"depth":1631,"text":2678},{"id":2729,"depth":1631,"text":2730},"拆解 ECharts option 配置对象的核心组成：title、tooltip、legend、坐标轴和 series。","md",null,{},{"title":1013},{"title":1521,"description":2803},"MPTcD1kmcM",[2811,2813],{"title":1007,"path":1008,"stem":1009,"description":2812,"children":-1},"了解 ECharts 是什么、为什么选它，并完成安装和第一个图表的绘制。",{"title":1017,"path":1018,"stem":1019,"description":2814,"children":-1},"掌握折线图、柱状图、饼图、散点图四种常用图表的配置方法和选型建议。",1784715112836]