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},\n",[1559,1852,1854,1856,1858,1860,1862,1864,1866,1868,1870,1873,1875],{"class":1561,"line":1853},9,[1559,1855,1826],{"class":1569},[1559,1857,1829],{"class":1586},[1559,1859,1590],{"class":1569},[1559,1861,1816],{"class":1738},[1559,1863,1605],{"class":1569},[1559,1865,1838],{"class":1586},[1559,1867,1590],{"class":1569},[1559,1869,1608],{"class":1569},[1559,1871,1872],{"class":1599},"#6366f1",[1559,1874,1596],{"class":1569},[1559,1876,1850],{"class":1569},[1559,1878,1880,1883],{"class":1561,"line":1879},10,[1559,1881,1882],{"class":1565},"            ])",[1559,1884,1628],{"class":1569},[1559,1886,1888],{"class":1561,"line":1887},11,[1559,1889,1890],{"class":1569},"        },\n",[1559,1892,1894],{"class":1561,"line":1893},12,[1559,1895,1896],{"class":1569},"    },\n",[1559,1898,1900,1902],{"class":1561,"line":1899},13,[1559,1901,1625],{"class":1565},[1559,1903,1628],{"class":1569},[1531,1905,1906,1908,1909,1912,1913,1916],{},[1545,1907,1671],{}," 的前四个参数是渐变方向 ",[1545,1910,1911],{},"(x1, y1, x2, y2)","，",[1545,1914,1915],{},"0, 0, 0, 1"," 表示从上到下。",[1531,1918,1919],{},"渐变柱子的真实渲染效果：",[1921,1922],"echarts-gradient-bar",{},[1531,1924,1925],{},"上面是柱状图的写法。折线图的构成不一样，它由线条、数据点和填充区域三部分组成，对应另外三个样式属性：",[1927,1928,1929,1936,1941],"ul",{},[1930,1931,1932,1935],"li",{},[1545,1933,1934],{},"lineStyle","：线条的颜色、宽度。",[1930,1937,1938,1940],{},[1545,1939,1667],{},"：数据点小圆圈的颜色。",[1930,1942,1943,1946],{},[1545,1944,1945],{},"areaStyle","：折线下方填充区域的颜色（同样支持渐变）。",[1550,1948,1950],{"className":1552,"code":1949,"language":1554,"meta":1555,"style":1555},"series: [\n    {\n        name: '访问量',\n        type: 'line',\n        data: [820, 932, 901, 934, 1290, 1330, 1320],\n        lineStyle: {\n            color: '#5470c6',\n            width: 3,\n        },\n        itemStyle: {\n            color: '#5470c6',\n        },\n        areaStyle: {\n            color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [\n                { offset: 0, color: 'rgba(84, 112, 198, 0.4)' 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},\n],\n",[1545,1951,1952,1960,1964,1979,1993,2038,2047,2061,2073,2077,2085,2099,2103,2112,2151,2177,2203,2210,2215,2220],{"__ignoreMap":1555},[1559,1953,1954,1956,1958],{"class":1561,"line":1562},[1559,1955,1683],{"class":1682},[1559,1957,1590],{"class":1569},[1559,1959,1688],{"class":1565},[1559,1961,1962],{"class":1561,"line":1583},[1559,1963,1693],{"class":1569},[1559,1965,1966,1968,1970,1972,1975,1977],{"class":1561,"line":1631},[1559,1967,1698],{"class":1586},[1559,1969,1590],{"class":1569},[1559,1971,1608],{"class":1569},[1559,1973,1974],{"class":1599},"访问量",[1559,1976,1596],{"class":1569},[1559,1978,1628],{"class":1569},[1559,1980,1981,1983,1985,1987,1989,1991],{"class":1561,"line":1638},[1559,1982,1714],{"class":1586},[1559,1984,1590],{"class":1569},[1559,1986,1608],{"class":1569},[1559,1988,1561],{"class":1599},[1559,1990,1596],{"class":1569},[1559,1992,1628],{"class":1569},[1559,1994,1995,1997,1999,2001,2004,2006,2009,2011,2014,2016,2019,2021,2024,2026,2029,2031,2034,2036],{"class":1561,"line":1728},[1559,1996,1731],{"class":1586},[1559,1998,1590],{"class":1569},[1559,2000,1593],{"class":1565},[1559,2002,2003],{"class":1738},"820",[1559,2005,1605],{"class":1569},[1559,2007,2008],{"class":1738}," 932",[1559,2010,1605],{"class":1569},[1559,2012,2013],{"class":1738}," 901",[1559,2015,1605],{"class":1569},[1559,2017,2018],{"class":1738}," 934",[1559,2020,1605],{"class":1569},[1559,2022,2023],{"class":1738}," 1290",[1559,2025,1605],{"class":1569},[1559,2027,2028],{"class":1738}," 1330",[1559,2030,1605],{"class":1569},[1559,2032,2033],{"class":1738}," 1320",[1559,2035,1625],{"class":1565},[1559,2037,1628],{"class":1569},[1559,2039,2040,2043,2045],{"class":1561,"line":1766},[1559,2041,2042],{"class":1586},"        lineStyle",[1559,2044,1590],{"class":1569},[1559,2046,1774],{"class":1569},[1559,2048,2049,2051,2053,2055,2057,2059],{"class":1561,"line":1777},[1559,2050,1780],{"class":1586},[1559,2052,1590],{"class":1569},[1559,2054,1608],{"class":1569},[1559,2056,1600],{"class":1599},[1559,2058,1596],{"class":1569},[1559,2060,1628],{"class":1569},[1559,2062,2063,2066,2068,2071],{"class":1561,"line":1823},[1559,2064,2065],{"class":1586},"            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areaStyle",[1559,2109,1590],{"class":1569},[1559,2111,1774],{"class":1569},[1559,2113,2115,2117,2119,2121,2123,2125,2127,2129,2131,2133,2135,2137,2139,2141,2143,2145,2147,2149],{"class":1561,"line":2114},14,[1559,2116,1780],{"class":1586},[1559,2118,1590],{"class":1569},[1559,2120,1785],{"class":1569},[1559,2122,1788],{"class":1565},[1559,2124,1570],{"class":1569},[1559,2126,1793],{"class":1565},[1559,2128,1570],{"class":1569},[1559,2130,1671],{"class":1573},[1559,2132,1577],{"class":1565},[1559,2134,1802],{"class":1738},[1559,2136,1605],{"class":1569},[1559,2138,1807],{"class":1738},[1559,2140,1605],{"class":1569},[1559,2142,1807],{"class":1738},[1559,2144,1605],{"class":1569},[1559,2146,1816],{"class":1738},[1559,2148,1605],{"class":1569},[1559,2150,1688],{"class":1565},[1559,2152,2154,2156,2158,2160,2162,2164,2166,2168,2170,2173,2175],{"class":1561,"line":2153},15,[1559,2155,1826],{"class":1569},[1559,2157,1829],{"class":1586},[1559,2159,1590],{"class":1569},[1559,2161,1807],{"class":1738},[1559,2163,1605],{"class":1569},[1559,2165,1838],{"class":1586},[1559,2167,1590],{"class":1569},[1559,2169,1608],{"class":1569},[1559,2171,2172],{"class":1599},"rgba(84, 112, 198, 0.4)",[1559,2174,1596],{"class":1569},[1559,2176,1850],{"class":1569},[1559,2178,2180,2182,2184,2186,2188,2190,2192,2194,2196,2199,2201],{"class":1561,"line":2179},16,[1559,2181,1826],{"class":1569},[1559,2183,1829],{"class":1586},[1559,2185,1590],{"class":1569},[1559,2187,1816],{"class":1738},[1559,2189,1605],{"class":1569},[1559,2191,1838],{"class":1586},[1559,2193,1590],{"class":1569},[1559,2195,1608],{"class":1569},[1559,2197,2198],{"class":1599},"rgba(84, 112, 198, 0)",[1559,2200,1596],{"class":1569},[1559,2202,1850],{"class":1569},[1559,2204,2206,2208],{"class":1561,"line":2205},17,[1559,2207,1882],{"class":1565},[1559,2209,1628],{"class":1569},[1559,2211,2213],{"class":1561,"line":2212},18,[1559,2214,1890],{"class":1569},[1559,2216,2218],{"class":1561,"line":2217},19,[1559,2219,1896],{"class":1569},[1559,2221,2223,2225],{"class":1561,"line":2222},20,[1559,2224,1625],{"class":1565},[1559,2226,1628],{"class":1569},[1531,2228,2229],{},"线条、数据点、渐变面积三部分配合的真实渲染效果：",[2231,2232],"echarts-line-style",{},[1649,2234,2235],{},[1531,2236,2237,2238,2240],{},"注意 ",[1545,2239,1667],{}," 在两种图里管的东西不一样：柱状图里它管整个柱子的样式，折线图里它只管数据点的小圆圈。",[1535,2242],{},[1526,2244,2246],{"id":2245},"数据标签-label","🧱 数据标签 label",[1531,2248,2249,2250,2253],{},"想让数值直接显示在图形上，用 ",[1545,2251,2252],{},"label","：",[1550,2255,2257],{"className":1552,"code":2256,"language":1554,"meta":1555,"style":1555},"series: [\n    {\n        name: '销量',\n        type: 'bar',\n        data: [120, 200, 150, 80, 70],\n        label: {\n            show: true,\n            position: 'top',\n        },\n    },\n],\n",[1545,2258,2259,2267,2271,2285,2299,2329,2338,2351,2367,2371,2375],{"__ignoreMap":1555},[1559,2260,2261,2263,2265],{"class":1561,"line":1562},[1559,2262,1683],{"class":1682},[1559,2264,1590],{"class":1569},[1559,2266,1688],{"class":1565},[1559,2268,2269],{"class":1561,"line":1583},[1559,2270,1693],{"class":1569},[1559,2272,2273,2275,2277,2279,2281,2283],{"class":1561,"line":1631},[1559,2274,1698],{"class":1586},[1559,2276,1590],{"class":1569},[1559,2278,1608],{"class":1569},[1559,2280,1705],{"class":1599},[1559,2282,1596],{"class":1569},[1559,2284,1628],{"class":1569},[1559,2286,2287,2289,2291,2293,2295,2297],{"class":1561,"line":1638},[1559,2288,1714],{"class":1586},[1559,2290,1590],{"class":1569},[1559,2292,1608],{"class":1569},[1559,2294,1721],{"class":1599},[1559,2296,1596],{"class":1569},[1559,2298,1628],{"class":1569},[1559,2300,2301,2303,2305,2307,2309,2311,2313,2315,2317,2319,2321,2323,2325,2327],{"class":1561,"line":1728},[1559,2302,1731],{"class":1586},[1559,2304,1590],{"class":1569},[1559,2306,1593],{"class":1565},[1559,2308,1739],{"class":1738},[1559,2310,1605],{"class":1569},[1559,2312,1744],{"class":1738},[1559,2314,1605],{"class":1569},[1559,2316,1749],{"class":1738},[1559,2318,1605],{"class":1569},[1559,2320,1754],{"class":1738},[1559,2322,1605],{"class":1569},[1559,2324,1759],{"class":1738},[1559,2326,1625],{"class":1565},[1559,2328,1628],{"class":1569},[1559,2330,2331,2334,2336],{"class":1561,"line":1766},[1559,2332,2333],{"class":1586},"        label",[1559,2335,1590],{"class":1569},[1559,2337,1774],{"class":1569},[1559,2339,2340,2343,2345,2349],{"class":1561,"line":1777},[1559,2341,2342],{"class":1586},"            show",[1559,2344,1590],{"class":1569},[1559,2346,2348],{"class":2347},"sPKOg"," true",[1559,2350,1628],{"class":1569},[1559,2352,2353,2356,2358,2360,2363,2365],{"class":1561,"line":1823},[1559,2354,2355],{"class":1586},"            position",[1559,2357,1590],{"class":1569},[1559,2359,1608],{"class":1569},[1559,2361,2362],{"class":1599},"top",[1559,2364,1596],{"class":1569},[1559,2366,1628],{"class":1569},[1559,2368,2369],{"class":1561,"line":1853},[1559,2370,1890],{"class":1569},[1559,2372,2373],{"class":1561,"line":1879},[1559,2374,1896],{"class":1569},[1559,2376,2377,2379],{"class":1561,"line":1887},[1559,2378,1625],{"class":1565},[1559,2380,1628],{"class":1569},[1927,2382,2383,2389],{},[1930,2384,2385,2388],{},[1545,2386,2387],{},"show: true"," 显示标签。",[1930,2390,2391,2394,2395,2398,2399,2402],{},[1545,2392,2393],{},"position"," 控制位置，柱状图常用 ",[1545,2396,2397],{},"'top'","，饼图常用 ",[1545,2400,2401],{},"'outside'","。",[1531,2404,2405],{},"数值直接标注在柱子顶部的真实效果：",[2407,2408],"echarts-label-demo",{},[1535,2410],{},[1526,2412,2414],{"id":2413},"内置-dark-主题","🧱 内置 dark 主题",[1531,2416,2417,2418,2421],{},"ECharts 内置了一套暗色主题，初始化时传入 ",[1545,2419,2420],{},"'dark'"," 即可：",[1550,2423,2425],{"className":1552,"code":2424,"language":1554,"meta":1555,"style":1555},"const chart = echarts.init(chartRef.value, 'dark');\n",[1545,2426,2427],{"__ignoreMap":1555},[1559,2428,2429,2433,2436,2439,2441,2443,2446,2449,2451,2454,2456,2458,2461,2463,2465],{"class":1561,"line":1562},[1559,2430,2432],{"class":2431},"s50WR","const",[1559,2434,2435],{"class":1565}," chart ",[1559,2437,2438],{"class":1569},"=",[1559,2440,1788],{"class":1565},[1559,2442,1570],{"class":1569},[1559,2444,2445],{"class":1573},"init",[1559,2447,2448],{"class":1565},"(chartRef",[1559,2450,1570],{"class":1569},[1559,2452,2453],{"class":1565},"value",[1559,2455,1605],{"class":1569},[1559,2457,1608],{"class":1569},[1559,2459,2460],{"class":1599},"dark",[1559,2462,1596],{"class":1569},[1559,2464,1644],{"class":1565},[1559,2466,1647],{"class":1569},[2468,2469,2470],"warning",{},[1531,2471,2472],{},"使用 dark 主题时，记得把页面背景也调成深色，否则默认的深色文字和线条会看不清。ECharts 6 还优化了对系统深色模式的响应，官网手册有详细说明。",[1535,2474],{},[1526,2476,2478],{"id":2477},"自定义主题-registertheme","🧰 自定义主题 registerTheme",[1531,2480,2481],{},"当内置主题满足不了品牌要求时，可以注册自己的主题：",[1550,2483,2486],{"className":1552,"code":2484,"filename":2485,"language":1554,"meta":1555,"style":1555},"import * as echarts from 'echarts';\n\necharts.registerTheme('myTheme', {\n    color: ['#2ec7c9', '#b6a2de', '#5ab1ef'],\n    backgroundColor: '#ffffff',\n    textStyle: 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",[1559,2504,2505],{"class":2492},"from",[1559,2507,1608],{"class":1569},[1559,2509,2510],{"class":1599},"echarts",[1559,2512,1596],{"class":1569},[1559,2514,1647],{"class":1569},[1559,2516,2517],{"class":1561,"line":1583},[1559,2518,2520],{"emptyLinePlaceholder":2519},true,"\n",[1559,2522,2523,2525,2527,2530,2532,2534,2537,2539,2541],{"class":1561,"line":1631},[1559,2524,2510],{"class":1565},[1559,2526,1570],{"class":1569},[1559,2528,2529],{"class":1573},"registerTheme",[1559,2531,1577],{"class":1565},[1559,2533,1596],{"class":1569},[1559,2535,2536],{"class":1599},"myTheme",[1559,2538,1596],{"class":1569},[1559,2540,1605],{"class":1569},[1559,2542,1774],{"class":1569},[1559,2544,2545,2547,2549,2551,2553,2556,2558,2560,2562,2565,2567,2569,2571,2574,2576,2578],{"class":1561,"line":1638},[1559,2546,1587],{"class":1586},[1559,2548,1590],{"class":1569},[1559,2550,1593],{"class":1565},[1559,2552,1596],{"class":1569},[1559,2554,2555],{"class":1599},"#2ec7c9",[1559,2557,1596],{"class":1569},[1559,2559,1605],{"class":1569},[1559,2561,1608],{"class":1569},[1559,2563,2564],{"class":1599},"#b6a2de",[1559,2566,1596],{"class":1569},[1559,2568,1605],{"class":1569},[1559,2570,1608],{"class":1569},[1559,2572,2573],{"class":1599},"#5ab1ef",[1559,2575,1596],{"class":1569},[1559,2577,1625],{"class":1565},[1559,2579,1628],{"class":1569},[1559,2581,2582,2585,2587,2589,2592,2594],{"class":1561,"line":1728},[1559,2583,2584],{"class":1586},"    backgroundColor",[1559,2586,1590],{"class":1569},[1559,2588,1608],{"class":1569},[1559,2590,2591],{"class":1599},"#ffffff",[1559,2593,1596],{"class":1569},[1559,2595,1628],{"class":1569},[1559,2597,2598,2601,2603],{"class":1561,"line":1766},[1559,2599,2600],{"class":1586},"    textStyle",[1559,2602,1590],{"class":1569},[1559,2604,1774],{"class":1569},[1559,2606,2607,2610,2612,2614,2617,2619],{"class":1561,"line":1777},[1559,2608,2609],{"class":1586},"        fontFamily",[1559,2611,1590],{"class":1569},[1559,2613,1608],{"class":1569},[1559,2615,2616],{"class":1599},"PingFang SC, sans-serif",[1559,2618,1596],{"class":1569},[1559,2620,1628],{"class":1569},[1559,2622,2623],{"class":1561,"line":1823},[1559,2624,1896],{"class":1569},[1559,2626,2627,2629,2631],{"class":1561,"line":1853},[1559,2628,1641],{"class":1569},[1559,2630,1644],{"class":1565},[1559,2632,1647],{"class":1569},[1531,2634,2635],{},"初始化时使用主题名：",[1550,2637,2639],{"className":1552,"code":2638,"language":1554,"meta":1555,"style":1555},"const chart = echarts.init(chartRef.value, 'myTheme');\n",[1545,2640,2641],{"__ignoreMap":1555},[1559,2642,2643,2645,2647,2649,2651,2653,2655,2657,2659,2661,2663,2665,2667,2669,2671],{"class":1561,"line":1562},[1559,2644,2432],{"class":2431},[1559,2646,2435],{"class":1565},[1559,2648,2438],{"class":1569},[1559,2650,1788],{"class":1565},[1559,2652,1570],{"class":1569},[1559,2654,2445],{"class":1573},[1559,2656,2448],{"class":1565},[1559,2658,1570],{"class":1569},[1559,2660,2453],{"class":1565},[1559,2662,1605],{"class":1569},[1559,2664,1608],{"class":1569},[1559,2666,2536],{"class":1599},[1559,2668,1596],{"class":1569},[1559,2670,1644],{"class":1565},[1559,2672,1647],{"class":1569},[1531,2674,2675],{},"主题对象里可以定义调色盘、背景色、文字样式等，所有用该主题初始化的图表会统一生效。",[1649,2677,2678],{},[1531,2679,2680],{},"ECharts 官网提供了可视化的主题构建工具，可以在页面上设计主题并导出文件，省去手写配置的麻烦。官网页面会不定期更新，按钮名称和入口位置可能与你看到的略有不同，以最新页面为准。",[1535,2682],{},[1526,2684,2686],{"id":2685},"小节总结","🧾 小节总结",[1927,2688,2689,2695,2708,2717,2727],{},[1930,2690,2691,2692,2694],{},"顶层 ",[1545,2693,1547],{}," 数组是调色盘，系列按顺序取色，适合统一品牌色。",[1930,2696,2697,2699,2700,2702,2703,2702,2705,2707],{},[1545,2698,1671],{}," 可实现渐变，",[1545,2701,1667],{}," / ",[1545,2704,1934],{},[1545,2706,1945],{}," 分管图形、线条、填充。",[1930,2709,2710,2713,2714,2716],{},[1545,2711,2712],{},"label.show"," 可以把数值直接标注在图形上，",[1545,2715,2393],{}," 控制位置。",[1930,2718,2719,2720,2722,2723,2726],{},"内置 ",[1545,2721,2420],{}," 暗色主题，",[1545,2724,2725],{},"echarts.registerTheme()"," 可注册全局自定义主题。",[1930,2728,2729],{},"样式优先级：系列里的具体配置 > 主题 > 默认样式。",[1535,2731],{},[1526,2733,2735],{"id":2734},"知识问答","❓ 知识问答",[1531,2737,2738],{},[2739,2740,2741],"strong",{},"Q1：为什么我在系列里设置了 color，主题色就不生效了？",[1531,2743,2744],{},"正常，遵循就近原则：系列内的配置优先级最高，会覆盖主题和调色盘的颜色。",[1531,2746,2747],{},[2739,2748,2749],{},"Q2：LinearGradient 的颜色参数是什么格式？",[1531,2751,2752,2753,2402,2756,2759],{},"是一个数组，每项 ",[1545,2754,2755],{},"{ offset, color }",[1545,2757,2758],{},"offset"," 取值 0 到 1，表示颜色在渐变方向上的位置。",[1531,2761,2762],{},[2739,2763,2764],{},"Q3：主题能在初始化之后更换吗？",[1531,2766,2767,2768,2770],{},"传统做法是销毁实例后带着新主题重新 ",[1545,2769,2445],{},"。ECharts 6 对主题能力做了升级，支持更平滑的切换，具体可查阅官方手册。",[1531,2772,2773],{},[2739,2774,2775],{},"Q4：label 显示太挤怎么办？",[1531,2777,2778,2779,2781,2782,2784,2785,2788,2789,2792],{},"可以只给重点系列开 ",[1545,2780,2252],{},"，或者调整 ",[1545,2783,2393],{},"、",[1545,2786,2787],{},"fontSize","，柱状图还可以配合 ",[1545,2790,2791],{},"barWidth"," 留出空间。",[1535,2794],{},[1526,2796,2798],{"id":2797},"小练习","🧪 小练习",[1531,2800,2801],{},"把上一篇的“一周销量”柱状图美化一下：",[2803,2804,2805,2811,2816],"ol",{},[1930,2806,2807,2808,2810],{},"用 ",[1545,2809,1671],{}," 给柱子加上从上到下的渐变，颜色自选。",[1930,2812,2807,2813,2815],{},[1545,2814,2252],{}," 把数值显示在柱子顶部。",[1930,2817,2818,2819,2822],{},"注册一个名为 ",[1545,2820,2821],{},"'brand'"," 的主题，调色盘包含三种你喜欢的颜色，并用它初始化图表。",[1550,2824,2826],{"className":1552,"code":2825,"language":1554,"meta":1555,"style":1555},"// 请在这里编写代码\n",[1545,2827,2828],{"__ignoreMap":1555},[1559,2829,2830],{"class":1561,"line":1562},[1559,2831,2825],{"class":1634},[1535,2833],{},[1531,2835,2836],{},"🎉 恭喜你掌握了图表美化技能！下一篇我们给图表加上交互：事件响应、区域缩放和数据标注。",[2838,2839,2840],"style",{},"html pre.shiki code .sndM8, html code.shiki .sndM8{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sd2Uz, html code.shiki .sd2Uz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .syuKq, html code.shiki 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