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router.push(`/detail?day=${params.name}`);\n});\n",[1545,1769,1770,1798,1832],{"__ignoreMap":1559},[1563,1771,1772,1774,1776,1778,1780,1782,1784,1786,1788,1790,1792,1794,1796],{"class":1565,"line":1566},[1563,1773,1570],{"class":1569},[1563,1775,1574],{"class":1573},[1563,1777,1547],{"class":1577},[1563,1779,1580],{"class":1569},[1563,1781,1583],{"class":1573},[1563,1783,1551],{"class":1586},[1563,1785,1583],{"class":1573},[1563,1787,1591],{"class":1573},[1563,1789,1594],{"class":1573},[1563,1791,1598],{"class":1597},[1563,1793,1601],{"class":1573},[1563,1795,1605],{"class":1604},[1563,1797,1608],{"class":1573},[1563,1799,1800,1803,1805,1808,1810,1813,1816,1819,1821,1823,1825,1828,1830],{"class":1565,"line":1611},[1563,1801,1802],{"class":1569},"    router",[1563,1804,1574],{"class":1573},[1563,1806,1807],{"class":1577},"push",[1563,1809,1580],{"class":1622},[1563,1811,1812],{"class":1573},"`",[1563,1814,1815],{"class":1586},"/detail?day=",[1563,1817,1818],{"class":1573},"${",[1563,1820,1598],{"class":1569},[1563,1822,1574],{"class":1573},[1563,1824,1629],{"class":1569},[1563,1826,1827],{"class":1573},"}`",[1563,1829,1601],{"class":1622},[1563,1831,1699],{"class":1573},[1563,1833,1834,1836,1838],{"class":1565,"line":1641},[1563,1835,1694],{"class":1573},[1563,1837,1601],{"class":1569},[1563,1839,1699],{"class":1573},[1535,1841],{},[1526,1843,1845],{"id":1844},"自定义提示框-formatter","✨ 自定义提示框 formatter",[1531,1847,1848,1851,1852,1855],{},[1545,1849,1850],{},"tooltip"," 默认显示“系列名：数值”，想换成自己的话术用 ",[1545,1853,1854],{},"formatter","：",[1554,1857,1859],{"className":1556,"code":1858,"language":1558,"meta":1559,"style":1559},"tooltip: {\n    trigger: 'axis',\n    formatter: (params) => {\n        const item = params[0];\n        return `${item.name} 销量：${item.value} 件`;\n    },\n},\n",[1545,1860,1861,1871,1889,1906,1932,1970,1976],{"__ignoreMap":1559},[1563,1862,1863,1866,1869],{"class":1565,"line":1566},[1563,1864,1850],{"class":1865},"sYGMc",[1563,1867,1868],{"class":1573},":",[1563,1870,1608],{"class":1573},[1563,1872,1873,1876,1878,1881,1884,1886],{"class":1565,"line":1611},[1563,1874,1875],{"class":1865},"    trigger",[1563,1877,1868],{"class":1573},[1563,1879,1880],{"class":1573}," '",[1563,1882,1883],{"class":1586},"axis",[1563,1885,1583],{"class":1573},[1563,1887,1888],{"class":1573},",\n",[1563,1890,1891,1894,1896,1898,1900,1902,1904],{"class":1565,"line":1641},[1563,1892,1893],{"class":1865},"    formatter",[1563,1895,1868],{"class":1573},[1563,1897,1594],{"class":1573},[1563,1899,1598],{"class":1597},[1563,1901,1601],{"class":1573},[1563,1903,1605],{"class":1604},[1563,1905,1608],{"class":1573},[1563,1907,1908,1911,1914,1917,1920,1923,1927,1930],{"class":1565,"line":1666},[1563,1909,1910],{"class":1604},"        const",[1563,1912,1913],{"class":1569}," item",[1563,1915,1916],{"class":1573}," =",[1563,1918,1919],{"class":1569}," params",[1563,1921,1922],{"class":1622},"[",[1563,1924,1926],{"class":1925},"smPcV","0",[1563,1928,1929],{"class":1622},"]",[1563,1931,1699],{"class":1573},[1563,1933,1934,1938,1941,1944,1946,1948,1950,1953,1955,1957,1959,1961,1963,1966,1968],{"class":1565,"line":1691},[1563,1935,1937],{"class":1936},"s8pZq","        return",[1563,1939,1940],{"class":1573}," `${",[1563,1942,1943],{"class":1569},"item",[1563,1945,1574],{"class":1573},[1563,1947,1629],{"class":1569},[1563,1949,1694],{"class":1573},[1563,1951,1952],{"class":1586}," 销量：",[1563,1954,1818],{"class":1573},[1563,1956,1943],{"class":1569},[1563,1958,1574],{"class":1573},[1563,1960,1656],{"class":1569},[1563,1962,1694],{"class":1573},[1563,1964,1965],{"class":1586}," 件",[1563,1967,1812],{"class":1573},[1563,1969,1699],{"class":1573},[1563,1971,1973],{"class":1565,"line":1972},6,[1563,1974,1975],{"class":1573},"    },\n",[1563,1977,1979],{"class":1565,"line":1978},7,[1563,1980,1981],{"class":1573},"},\n",[1983,1984,1985],"warning",{},[1531,1986,1987,1990,1991,1993,1994,1996,1997,2001,2002,2005,2006,2009],{},[1545,1988,1989],{},"trigger: 'axis'"," 时 ",[1545,1992,1854],{}," 收到的 ",[1545,1995,1598],{}," 是",[1998,1999,2000],"strong",{},"数组","（该刻度下所有系列），",[1545,2003,2004],{},"trigger: 'item'"," 时是",[1998,2007,2008],{},"单个对象","。搞混类型是 formatter 失效的常见原因。",[1535,2011],{},[1526,2013,2015],{"id":2014},"区域缩放-datazoom","🧱 区域缩放 dataZoom",[1531,2017,2018,2019,2022],{},"数据点多的时候（比如一整年每天的销量），一屏塞不下，",[1545,2020,2021],{},"dataZoom"," 可以让用户拖动、滚轮缩放查看局部：",[1554,2024,2026],{"className":1556,"code":2025,"language":1558,"meta":1559,"style":1559},"dataZoom: [\n    {\n        type: 'slider', // 底部滑块\n    },\n    {\n        type: 'inside', // 图表内滚轮、拖拽\n    },\n],\n",[1545,2027,2028,2037,2042,2061,2065,2069,2087,2091],{"__ignoreMap":1559},[1563,2029,2030,2032,2034],{"class":1565,"line":1566},[1563,2031,2021],{"class":1865},[1563,2033,1868],{"class":1573},[1563,2035,2036],{"class":1569}," [\n",[1563,2038,2039],{"class":1565,"line":1611},[1563,2040,2041],{"class":1573},"    {\n",[1563,2043,2044,2047,2049,2051,2054,2056,2058],{"class":1565,"line":1641},[1563,2045,2046],{"class":1622},"        type",[1563,2048,1868],{"class":1573},[1563,2050,1880],{"class":1573},[1563,2052,2053],{"class":1586},"slider",[1563,2055,1583],{"class":1573},[1563,2057,1591],{"class":1573},[1563,2059,2060],{"class":1637}," // 底部滑块\n",[1563,2062,2063],{"class":1565,"line":1666},[1563,2064,1975],{"class":1573},[1563,2066,2067],{"class":1565,"line":1691},[1563,2068,2041],{"class":1573},[1563,2070,2071,2073,2075,2077,2080,2082,2084],{"class":1565,"line":1972},[1563,2072,2046],{"class":1622},[1563,2074,1868],{"class":1573},[1563,2076,1880],{"class":1573},[1563,2078,2079],{"class":1586},"inside",[1563,2081,1583],{"class":1573},[1563,2083,1591],{"class":1573},[1563,2085,2086],{"class":1637}," // 图表内滚轮、拖拽\n",[1563,2088,2089],{"class":1565,"line":1978},[1563,2090,1975],{"class":1573},[1563,2092,2094,2096],{"class":1565,"line":2093},8,[1563,2095,1929],{"class":1569},[1563,2097,1888],{"class":1573},[2099,2100,2101,2108],"ul",{},[2102,2103,2104,2107],"li",{},[1545,2105,2106],{},"'slider'","：图表下方出现一个可拖动的滑块条。",[2102,2109,2110,2113],{},[1545,2111,2112],{},"'inside'","：鼠标滚轮或触屏手势直接在图表上缩放。",[1531,2115,2116],{},"两种可以同时存在，互不冲突。",[1535,2118],{},[1526,2120,2122],{"id":2121},"标注-markpoint-与-markline","🧱 标注 markPoint 与 markLine",[1531,2124,2125],{},"想让图表自己“说话”，比如标出最大值、画一条平均线，不用手算，ECharts 内置了标注能力：",[1554,2127,2129],{"className":1556,"code":2128,"language":1558,"meta":1559,"style":1559},"series: [\n    {\n        name: '销量',\n        type: 'line',\n        data: [820, 932, 901, 934, 1290, 1330, 1320],\n        markPoint: {\n            data: [\n                { type: 'max', name: '最大值' },\n                { type: 'min', name: '最小值' },\n            ],\n        },\n        markLine: {\n            data: [{ type: 'average', name: '平均值' }],\n        },\n    },\n],\n",[1545,2130,2131,2140,2144,2160,2174,2221,2230,2239,2273,2304,2312,2318,2328,2371,2376,2381],{"__ignoreMap":1559},[1563,2132,2133,2136,2138],{"class":1565,"line":1566},[1563,2134,2135],{"class":1865},"series",[1563,2137,1868],{"class":1573},[1563,2139,2036],{"class":1569},[1563,2141,2142],{"class":1565,"line":1611},[1563,2143,2041],{"class":1573},[1563,2145,2146,2149,2151,2153,2156,2158],{"class":1565,"line":1641},[1563,2147,2148],{"class":1622},"        name",[1563,2150,1868],{"class":1573},[1563,2152,1880],{"class":1573},[1563,2154,2155],{"class":1586},"销量",[1563,2157,1583],{"class":1573},[1563,2159,1888],{"class":1573},[1563,2161,2162,2164,2166,2168,2170,2172],{"class":1565,"line":1666},[1563,2163,2046],{"class":1622},[1563,2165,1868],{"class":1573},[1563,2167,1880],{"class":1573},[1563,2169,1565],{"class":1586},[1563,2171,1583],{"class":1573},[1563,2173,1888],{"class":1573},[1563,2175,2176,2179,2181,2184,2187,2189,2192,2194,2197,2199,2202,2204,2207,2209,2212,2214,2217,2219],{"class":1565,"line":1691},[1563,2177,2178],{"class":1622},"        data",[1563,2180,1868],{"class":1573},[1563,2182,2183],{"class":1569}," [",[1563,2185,2186],{"class":1925},"820",[1563,2188,1591],{"class":1573},[1563,2190,2191],{"class":1925}," 932",[1563,2193,1591],{"class":1573},[1563,2195,2196],{"class":1925}," 901",[1563,2198,1591],{"class":1573},[1563,2200,2201],{"class":1925}," 934",[1563,2203,1591],{"class":1573},[1563,2205,2206],{"class":1925}," 1290",[1563,2208,1591],{"class":1573},[1563,2210,2211],{"class":1925}," 1330",[1563,2213,1591],{"class":1573},[1563,2215,2216],{"class":1925}," 1320",[1563,2218,1929],{"class":1569},[1563,2220,1888],{"class":1573},[1563,2222,2223,2226,2228],{"class":1565,"line":1972},[1563,2224,2225],{"class":1622},"        markPoint",[1563,2227,1868],{"class":1573},[1563,2229,1608],{"class":1573},[1563,2231,2232,2235,2237],{"class":1565,"line":1978},[1563,2233,2234],{"class":1622},"            data",[1563,2236,1868],{"class":1573},[1563,2238,2036],{"class":1569},[1563,2240,2241,2244,2247,2249,2251,2254,2256,2258,2261,2263,2265,2268,2270],{"class":1565,"line":2093},[1563,2242,2243],{"class":1573},"                {",[1563,2245,2246],{"class":1622}," type",[1563,2248,1868],{"class":1573},[1563,2250,1880],{"class":1573},[1563,2252,2253],{"class":1586},"max",[1563,2255,1583],{"class":1573},[1563,2257,1591],{"class":1573},[1563,2259,2260],{"class":1622}," name",[1563,2262,1868],{"class":1573},[1563,2264,1880],{"class":1573},[1563,2266,2267],{"class":1586},"最大值",[1563,2269,1583],{"class":1573},[1563,2271,2272],{"class":1573}," },\n",[1563,2274,2276,2278,2280,2282,2284,2287,2289,2291,2293,2295,2297,2300,2302],{"class":1565,"line":2275},9,[1563,2277,2243],{"class":1573},[1563,2279,2246],{"class":1622},[1563,2281,1868],{"class":1573},[1563,2283,1880],{"class":1573},[1563,2285,2286],{"class":1586},"min",[1563,2288,1583],{"class":1573},[1563,2290,1591],{"class":1573},[1563,2292,2260],{"class":1622},[1563,2294,1868],{"class":1573},[1563,2296,1880],{"class":1573},[1563,2298,2299],{"class":1586},"最小值",[1563,2301,1583],{"class":1573},[1563,2303,2272],{"class":1573},[1563,2305,2307,2310],{"class":1565,"line":2306},10,[1563,2308,2309],{"class":1569},"            ]",[1563,2311,1888],{"class":1573},[1563,2313,2315],{"class":1565,"line":2314},11,[1563,2316,2317],{"class":1573},"        },\n",[1563,2319,2321,2324,2326],{"class":1565,"line":2320},12,[1563,2322,2323],{"class":1622},"        markLine",[1563,2325,1868],{"class":1573},[1563,2327,1608],{"class":1573},[1563,2329,2331,2333,2335,2337,2340,2342,2344,2346,2349,2351,2353,2355,2357,2359,2362,2364,2367,2369],{"class":1565,"line":2330},13,[1563,2332,2234],{"class":1622},[1563,2334,1868],{"class":1573},[1563,2336,2183],{"class":1569},[1563,2338,2339],{"class":1573},"{",[1563,2341,2246],{"class":1622},[1563,2343,1868],{"class":1573},[1563,2345,1880],{"class":1573},[1563,2347,2348],{"class":1586},"average",[1563,2350,1583],{"class":1573},[1563,2352,1591],{"class":1573},[1563,2354,2260],{"class":1622},[1563,2356,1868],{"class":1573},[1563,2358,1880],{"class":1573},[1563,2360,2361],{"class":1586},"平均值",[1563,2363,1583],{"class":1573},[1563,2365,2366],{"class":1573}," }",[1563,2368,1929],{"class":1569},[1563,2370,1888],{"class":1573},[1563,2372,2374],{"class":1565,"line":2373},14,[1563,2375,2317],{"class":1573},[1563,2377,2379],{"class":1565,"line":2378},15,[1563,2380,1975],{"class":1573},[1563,2382,2384,2386],{"class":1565,"line":2383},16,[1563,2385,1929],{"class":1569},[1563,2387,1888],{"class":1573},[2099,2389,2390,2404],{},[2102,2391,2392,2395,2396,2399,2400,2403],{},[1545,2393,2394],{},"markPoint","：在图上标点，内置 ",[1545,2397,2398],{},"'max'","、",[1545,2401,2402],{},"'min'","。",[2102,2405,2406,2409,2410,2413],{},[1545,2407,2408],{},"markLine","：在图上画线，内置 ",[1545,2411,2412],{},"'average'","，常用于平均线。",[2415,2416,2417],"tip",{},[1531,2418,2419],{},"标注的价值在于“自动”。数据更新后最大值、平均线会跟着重算，不需要你手动维护位置。",[1531,2421,2422],{},"真实渲染效果：最大值、最小值自动标点，平均线自动计算：",[2424,2425],"echarts-mark-line",{},[1535,2427],{},[1526,2429,2431],{"id":2430},"小节总结","🧾 小节总结",[2099,2433,2434,2443,2449,2460],{},[2102,2435,2436,2439,2440,2442],{},[1545,2437,2438],{},"chart.on('click', fn)"," 监听交互，",[1545,2441,1598],{}," 含 name、value、seriesName 等字段。",[2102,2444,2445,2448],{},[1545,2446,2447],{},"tooltip.formatter"," 自定义提示框，注意 axis 触发时参数是数组。",[2102,2450,2451,2453,2454,2456,2457,2459],{},[1545,2452,2021],{}," 实现区域缩放，",[1545,2455,2106],{}," 滑块、",[1545,2458,2112],{}," 滚轮，可叠加使用。",[2102,2461,2462,2464,2465,2467],{},[1545,2463,2394],{}," 标最大、最小值，",[1545,2466,2408],{}," 画平均线，数据变化自动更新。",[1535,2469],{},[1526,2471,2473],{"id":2472},"知识问答","❓ 知识问答",[1531,2475,2476],{},[1998,2477,2478],{},"Q1：事件回调里的 this 指向什么？",[1531,2480,2481],{},"建议统一用箭头函数，避免 this 指向问题。箭头函数里可以正常访问组件作用域的变量。",[1531,2483,2484],{},[1998,2485,2486],{},"Q2：formatter 里能写 HTML 吗？",[1531,2488,2489,2490,2399,2493,2496],{},"可以，返回的字符串支持简单 HTML 标签和行内样式，比如 ",[1545,2491,2492],{},"\u003Cb>",[1545,2494,2495],{},"\u003Cbr/>","，方便排版。",[1531,2498,2499],{},[1998,2500,2501],{},"Q3：dataZoom 放在 option 的哪一层？",[1531,2503,2504,2505,2399,2507,2510],{},"和 ",[1545,2506,2135],{},[1545,2508,2509],{},"xAxis"," 平级，是顶层数组，默认作用于第一条 x 轴。",[1531,2512,2513],{},[1998,2514,2515],{},"Q4：markLine 只能画平均值吗？",[1531,2517,2518,2519,2522],{},"不是，还支持最大、最小值线，也可以写具体数值 ",[1545,2520,2521],{},"{ yAxis: 100 }"," 画固定线。平均线和最大值线比较常用。",[1535,2524],{},[1526,2526,2528],{"id":2527},"小练习","🧪 小练习",[1531,2530,2531],{},"给“一周销量”折线图加上交互三件套：",[2533,2534,2535,2542,2547],"ol",{},[2102,2536,2537,2538,2541],{},"点击某个数据点时，用 ",[1545,2539,2540],{},"alert"," 弹出“周X 的销量是 XX”。",[2102,2543,2544,2545,2403],{},"加一条平均值 ",[1545,2546,2408],{},[2102,2548,2549,2550,2552,2553,2403],{},"加一个 ",[1545,2551,2106],{}," 类型的 ",[1545,2554,2021],{},[1554,2556,2558],{"className":1556,"code":2557,"language":1558,"meta":1559,"style":1559},"const chart = echarts.init(chartRef.value);\n\nchart.setOption({\n    // 请在这里编写代码（配置部分）\n});\n\n// 请在这里编写代码（事件部分）\n",[1545,2559,2560,2589,2595,2609,2614,2622,2626],{"__ignoreMap":1559},[1563,2561,2562,2565,2568,2571,2574,2576,2579,2582,2584,2587],{"class":1565,"line":1566},[1563,2563,2564],{"class":1604},"const",[1563,2566,2567],{"class":1569}," chart ",[1563,2569,2570],{"class":1573},"=",[1563,2572,2573],{"class":1569}," echarts",[1563,2575,1574],{"class":1573},[1563,2577,2578],{"class":1577},"init",[1563,2580,2581],{"class":1569},"(chartRef",[1563,2583,1574],{"class":1573},[1563,2585,2586],{"class":1569},"value)",[1563,2588,1699],{"class":1573},[1563,2590,2591],{"class":1565,"line":1611},[1563,2592,2594],{"emptyLinePlaceholder":2593},true,"\n",[1563,2596,2597,2599,2601,2604,2606],{"class":1565,"line":1641},[1563,2598,1570],{"class":1569},[1563,2600,1574],{"class":1573},[1563,2602,2603],{"class":1577},"setOption",[1563,2605,1580],{"class":1569},[1563,2607,2608],{"class":1573},"{\n",[1563,2610,2611],{"class":1565,"line":1666},[1563,2612,2613],{"class":1637},"    // 请在这里编写代码（配置部分）\n",[1563,2615,2616,2618,2620],{"class":1565,"line":1691},[1563,2617,1694],{"class":1573},[1563,2619,1601],{"class":1569},[1563,2621,1699],{"class":1573},[1563,2623,2624],{"class":1565,"line":1972},[1563,2625,2594],{"emptyLinePlaceholder":2593},[1563,2627,2628],{"class":1565,"line":1978},[1563,2629,2630],{"class":1637},"// 请在这里编写代码（事件部分）\n",[1535,2632],{},[1531,2634,2635],{},"🎉 恭喜你的图表已经能看又能互动了！下一篇解决真实项目的老大难：数据从接口来、还会不停变化，图表该怎么更新。",[2637,2638,2639],"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 .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sK9QF, html code.shiki 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