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'",[1576,1718,1570],{"class":1644},[1576,1720,1721],{"class":1582},"'",[1576,1723,1724],{"class":1582},";\n",[1576,1726,1728],{"class":1578,"line":1727},10,[1576,1729,1684],{"emptyLinePlaceholder":1683},[1576,1731,1733,1736,1739],{"class":1578,"line":1732},11,[1576,1734,1735],{"class":1700},"export",[1576,1737,1738],{"class":1700}," default",[1576,1740,1741],{"class":1582}," {\n",[1576,1743,1745,1748,1751],{"class":1578,"line":1744},12,[1576,1746,1747],{"class":1586},"    setup",[1576,1749,1750],{"class":1582},"()",[1576,1752,1741],{"class":1582},[1576,1754,1756,1759,1762,1765,1768,1771,1775,1778],{"class":1578,"line":1755},13,[1576,1757,1758],{"class":1634},"        const",[1576,1760,1761],{"class":1615}," count",[1576,1763,1764],{"class":1582}," =",[1576,1766,1707],{"class":1767},"swgpB",[1576,1769,1770],{"class":1586},"(",[1576,1772,1774],{"class":1773},"smPcV","0",[1576,1776,1777],{"class":1586},")",[1576,1779,1724],{"class":1582},[1576,1781,1783],{"class":1578,"line":1782},14,[1576,1784,1684],{"emptyLinePlaceholder":1683},[1576,1786,1788,1791,1794,1796],{"class":1578,"line":1787},15,[1576,1789,1790],{"class":1634},"        function",[1576,1792,1793],{"class":1767}," increment",[1576,1795,1750],{"class":1582},[1576,1797,1741],{"class":1582},[1576,1799,1801,1804,1807,1810],{"class":1578,"line":1800},16,[1576,1802,1803],{"class":1615},"            count",[1576,1805,1806],{"class":1582},".",[1576,1808,1809],{"class":1615},"value",[1576,1811,1812],{"class":1582},"++;\n",[1576,1814,1816],{"class":1578,"line":1815},17,[1576,1817,1818],{"class":1582},"        }\n",[1576,1820,1822],{"class":1578,"line":1821},18,[1576,1823,1684],{"emptyLinePlaceholder":1683},[1576,1825,1827,1830],{"class":1578,"line":1826},19,[1576,1828,1829],{"class":1700},"        return",[1576,1831,1741],{"class":1582},[1576,1833,1835,1837],{"class":1578,"line":1834},20,[1576,1836,1803],{"class":1615},[1576,1838,1839],{"class":1582},",\n",[1576,1841,1843,1846],{"class":1578,"line":1842},21,[1576,1844,1845],{"class":1615},"            increment",[1576,1847,1839],{"class":1582},[1576,1849,1851],{"class":1578,"line":1850},22,[1576,1852,1853],{"class":1582},"        };\n",[1576,1855,1857],{"class":1578,"line":1856},23,[1576,1858,1859],{"class":1582},"    },\n",[1576,1861,1863],{"class":1578,"line":1862},24,[1576,1864,1865],{"class":1582},"};\n",[1576,1867,1869,1871,1873],{"class":1578,"line":1868},25,[1576,1870,1619],{"class":1582},[1576,1872,1692],{"class":1586},[1576,1874,1590],{"class":1582},[1531,1876,1877],{},"这里所有组件逻辑都写在 setup() 里，不再需要 data 或 methods。",[1548,1879,1880],{},[1531,1881,1882],{},"setup() 是 Vue 3 组件逻辑的心脏，你可以把它看成是组件的“工厂”，返回的数据和方法就是组件的“产品”。",[1535,1884],{},[1526,1886,1888],{"id":1887},"ref-与-reactive-的区别与使用","💡 ref 与 reactive 的区别与使用",[1531,1890,1891],{},"这两者都是用来声明响应式数据，但场景和本质有区别。",[1893,1894,1895,1899],"ul",{},[1896,1897,1898],"li",{},"ref 用来包装基本类型数据（字符串、数字、布尔），也可以包装对象，但访问时要通过 .value。",[1896,1900,1901],{},"reactive 用来将一个对象变成响应式，直接操作属性即可，不需要 .value。",[1531,1903,1904],{},"示例：",[1566,1906,1910],{"className":1907,"code":1908,"language":1909,"meta":1571,"style":1571},"language-js shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { ref, reactive } from 'vue';\n\nconst count = ref(0); // 基础类型，访问 count.value\nconst state = reactive({ name: '张三', age: 18 }); // 对象类型，访问 state.name\n","js",[1573,1911,1912,1938,1942,1967],{"__ignoreMap":1571},[1576,1913,1914,1916,1918,1920,1923,1926,1928,1930,1932,1934,1936],{"class":1578,"line":1579},[1576,1915,1701],{"class":1700},[1576,1917,1704],{"class":1582},[1576,1919,1707],{"class":1615},[1576,1921,1922],{"class":1582},",",[1576,1924,1925],{"class":1615}," reactive",[1576,1927,1710],{"class":1582},[1576,1929,1713],{"class":1700},[1576,1931,1716],{"class":1582},[1576,1933,1570],{"class":1644},[1576,1935,1721],{"class":1582},[1576,1937,1724],{"class":1582},[1576,1939,1940],{"class":1578,"line":1593},[1576,1941,1684],{"emptyLinePlaceholder":1683},[1576,1943,1944,1947,1950,1952,1954,1956,1958,1960,1963],{"class":1578,"line":1604},[1576,1945,1946],{"class":1634},"const",[1576,1948,1949],{"class":1615}," count ",[1576,1951,1638],{"class":1582},[1576,1953,1707],{"class":1767},[1576,1955,1770],{"class":1615},[1576,1957,1774],{"class":1773},[1576,1959,1777],{"class":1615},[1576,1961,1962],{"class":1582},";",[1576,1964,1966],{"class":1965},"syuKq"," // 基础类型，访问 count.value\n",[1576,1968,1969,1971,1974,1976,1978,1980,1983,1986,1989,1991,1994,1996,1998,2001,2003,2006,2008,2010,2012],{"class":1578,"line":1626},[1576,1970,1946],{"class":1634},[1576,1972,1973],{"class":1615}," state ",[1576,1975,1638],{"class":1582},[1576,1977,1925],{"class":1767},[1576,1979,1770],{"class":1615},[1576,1981,1982],{"class":1582},"{",[1576,1984,1985],{"class":1586}," name",[1576,1987,1988],{"class":1582},":",[1576,1990,1716],{"class":1582},[1576,1992,1993],{"class":1644},"张三",[1576,1995,1721],{"class":1582},[1576,1997,1922],{"class":1582},[1576,1999,2000],{"class":1586}," age",[1576,2002,1988],{"class":1582},[1576,2004,2005],{"class":1773}," 18",[1576,2007,1710],{"class":1582},[1576,2009,1777],{"class":1615},[1576,2011,1962],{"class":1582},[1576,2013,2014],{"class":1965}," // 对象类型，访问 state.name\n",[1548,2016,2017],{},[1531,2018,2019],{},"如果你只想声明一个简单的数字或字符串，用 ref。如果是复杂对象，推荐用 reactive。",[1531,2021,2022],{},"但是 reactive 不能直接包裹基本类型，比如：",[1566,2024,2026],{"className":1907,"code":2025,"language":1909,"meta":1571,"style":1571},"const num = reactive(0); // 错误用法\n",[1573,2027,2028],{"__ignoreMap":1571},[1576,2029,2030,2032,2035,2037,2039,2041,2043,2045,2047],{"class":1578,"line":1579},[1576,2031,1946],{"class":1634},[1576,2033,2034],{"class":1615}," num ",[1576,2036,1638],{"class":1582},[1576,2038,1925],{"class":1767},[1576,2040,1770],{"class":1615},[1576,2042,1774],{"class":1773},[1576,2044,1777],{"class":1615},[1576,2046,1962],{"class":1582},[1576,2048,2049],{"class":1965}," // 错误用法\n",[1535,2051],{},[1526,2053,2055],{"id":2054},"生命周期钩子在-setup-中的替代品onmounted-等","🕰 生命周期钩子在 setup() 中的替代品（onMounted 等）",[1531,2057,2058],{},"Vue 2 里我们用 created、mounted、updated 等生命周期选项。Composition API 把它们拆分成了独立的函数，比如 onMounted、onUpdated。",[1531,2060,1904],{},[1566,2062,2064],{"className":1907,"code":2063,"language":1909,"meta":1571,"style":1571},"import { onMounted } from 'vue';\n\nexport default {\n    setup() {\n        onMounted(() => {\n            console.log('组件挂载完成');\n        });\n    },\n};\n",[1573,2065,2066,2087,2091,2099,2107,2121,2144,2153,2157],{"__ignoreMap":1571},[1576,2067,2068,2070,2072,2075,2077,2079,2081,2083,2085],{"class":1578,"line":1579},[1576,2069,1701],{"class":1700},[1576,2071,1704],{"class":1582},[1576,2073,2074],{"class":1615}," onMounted",[1576,2076,1710],{"class":1582},[1576,2078,1713],{"class":1700},[1576,2080,1716],{"class":1582},[1576,2082,1570],{"class":1644},[1576,2084,1721],{"class":1582},[1576,2086,1724],{"class":1582},[1576,2088,2089],{"class":1578,"line":1593},[1576,2090,1684],{"emptyLinePlaceholder":1683},[1576,2092,2093,2095,2097],{"class":1578,"line":1604},[1576,2094,1735],{"class":1700},[1576,2096,1738],{"class":1700},[1576,2098,1741],{"class":1582},[1576,2100,2101,2103,2105],{"class":1578,"line":1626},[1576,2102,1747],{"class":1586},[1576,2104,1750],{"class":1582},[1576,2106,1741],{"class":1582},[1576,2108,2109,2112,2114,2116,2119],{"class":1578,"line":1661},[1576,2110,2111],{"class":1767},"        onMounted",[1576,2113,1770],{"class":1586},[1576,2115,1750],{"class":1582},[1576,2117,2118],{"class":1634}," =>",[1576,2120,1741],{"class":1582},[1576,2122,2123,2126,2128,2131,2133,2135,2138,2140,2142],{"class":1578,"line":1671},[1576,2124,2125],{"class":1615},"            console",[1576,2127,1806],{"class":1582},[1576,2129,2130],{"class":1767},"log",[1576,2132,1770],{"class":1586},[1576,2134,1721],{"class":1582},[1576,2136,2137],{"class":1644},"组件挂载完成",[1576,2139,1721],{"class":1582},[1576,2141,1777],{"class":1586},[1576,2143,1724],{"class":1582},[1576,2145,2146,2149,2151],{"class":1578,"line":1680},[1576,2147,2148],{"class":1582},"        }",[1576,2150,1777],{"class":1586},[1576,2152,1724],{"class":1582},[1576,2154,2155],{"class":1578,"line":1687},[1576,2156,1859],{"class":1582},[1576,2158,2159],{"class":1578,"line":1697},[1576,2160,1865],{"class":1582},[1531,2162,2163],{},"这样我们能在 setup() 内部灵活调用对应钩子，逻辑更集中。",[2165,2166,2167],"warning",{},[1531,2168,2169],{},"注意生命周期钩子只能在 setup() 中调用，不能放在普通函数里。",[1535,2171],{},[1526,2173,2175],{"id":2174},"computed-与-watch-的新用法","🧮 computed 与 watch 的新用法",[1531,2177,2178],{},"computed 和 watch 也属于响应式 API，但写法变化不大。",[1531,2180,2181],{},"computed 用于声明计算属性：",[1566,2183,2185],{"className":1907,"code":2184,"language":1909,"meta":1571,"style":1571},"import { ref, computed } from 'vue';\n\nconst firstName = ref('张');\nconst lastName = ref('三');\n\nconst fullName = computed(() => {\n    return firstName.value + lastName.value;\n});\n",[1573,2186,2187,2212,2216,2240,2264,2268,2287,2311],{"__ignoreMap":1571},[1576,2188,2189,2191,2193,2195,2197,2200,2202,2204,2206,2208,2210],{"class":1578,"line":1579},[1576,2190,1701],{"class":1700},[1576,2192,1704],{"class":1582},[1576,2194,1707],{"class":1615},[1576,2196,1922],{"class":1582},[1576,2198,2199],{"class":1615}," computed",[1576,2201,1710],{"class":1582},[1576,2203,1713],{"class":1700},[1576,2205,1716],{"class":1582},[1576,2207,1570],{"class":1644},[1576,2209,1721],{"class":1582},[1576,2211,1724],{"class":1582},[1576,2213,2214],{"class":1578,"line":1593},[1576,2215,1684],{"emptyLinePlaceholder":1683},[1576,2217,2218,2220,2223,2225,2227,2229,2231,2234,2236,2238],{"class":1578,"line":1604},[1576,2219,1946],{"class":1634},[1576,2221,2222],{"class":1615}," firstName ",[1576,2224,1638],{"class":1582},[1576,2226,1707],{"class":1767},[1576,2228,1770],{"class":1615},[1576,2230,1721],{"class":1582},[1576,2232,2233],{"class":1644},"张",[1576,2235,1721],{"class":1582},[1576,2237,1777],{"class":1615},[1576,2239,1724],{"class":1582},[1576,2241,2242,2244,2247,2249,2251,2253,2255,2258,2260,2262],{"class":1578,"line":1626},[1576,2243,1946],{"class":1634},[1576,2245,2246],{"class":1615}," lastName ",[1576,2248,1638],{"class":1582},[1576,2250,1707],{"class":1767},[1576,2252,1770],{"class":1615},[1576,2254,1721],{"class":1582},[1576,2256,2257],{"class":1644},"三",[1576,2259,1721],{"class":1582},[1576,2261,1777],{"class":1615},[1576,2263,1724],{"class":1582},[1576,2265,2266],{"class":1578,"line":1661},[1576,2267,1684],{"emptyLinePlaceholder":1683},[1576,2269,2270,2272,2275,2277,2279,2281,2283,2285],{"class":1578,"line":1671},[1576,2271,1946],{"class":1634},[1576,2273,2274],{"class":1615}," fullName ",[1576,2276,1638],{"class":1582},[1576,2278,2199],{"class":1767},[1576,2280,1770],{"class":1615},[1576,2282,1750],{"class":1582},[1576,2284,2118],{"class":1634},[1576,2286,1741],{"class":1582},[1576,2288,2289,2292,2295,2297,2299,2302,2305,2307,2309],{"class":1578,"line":1680},[1576,2290,2291],{"class":1700},"    return",[1576,2293,2294],{"class":1615}," firstName",[1576,2296,1806],{"class":1582},[1576,2298,1809],{"class":1615},[1576,2300,2301],{"class":1582}," +",[1576,2303,2304],{"class":1615}," lastName",[1576,2306,1806],{"class":1582},[1576,2308,1809],{"class":1615},[1576,2310,1724],{"class":1582},[1576,2312,2313,2316,2318],{"class":1578,"line":1687},[1576,2314,2315],{"class":1582},"}",[1576,2317,1777],{"class":1615},[1576,2319,1724],{"class":1582},[1531,2321,2322],{},"watch 用于监听响应式数据变化，执行副作用：",[1566,2324,2326],{"className":1907,"code":2325,"language":1909,"meta":1571,"style":1571},"import { ref, watch } from 'vue';\n\nconst count = ref(0);\n\nwatch(count, (newVal, oldVal) => {\n    console.log(`count 从 ${oldVal} 变成了 ${newVal}`);\n});\n",[1573,2327,2328,2353,2357,2375,2379,2407,2446],{"__ignoreMap":1571},[1576,2329,2330,2332,2334,2336,2338,2341,2343,2345,2347,2349,2351],{"class":1578,"line":1579},[1576,2331,1701],{"class":1700},[1576,2333,1704],{"class":1582},[1576,2335,1707],{"class":1615},[1576,2337,1922],{"class":1582},[1576,2339,2340],{"class":1615}," watch",[1576,2342,1710],{"class":1582},[1576,2344,1713],{"class":1700},[1576,2346,1716],{"class":1582},[1576,2348,1570],{"class":1644},[1576,2350,1721],{"class":1582},[1576,2352,1724],{"class":1582},[1576,2354,2355],{"class":1578,"line":1593},[1576,2356,1684],{"emptyLinePlaceholder":1683},[1576,2358,2359,2361,2363,2365,2367,2369,2371,2373],{"class":1578,"line":1604},[1576,2360,1946],{"class":1634},[1576,2362,1949],{"class":1615},[1576,2364,1638],{"class":1582},[1576,2366,1707],{"class":1767},[1576,2368,1770],{"class":1615},[1576,2370,1774],{"class":1773},[1576,2372,1777],{"class":1615},[1576,2374,1724],{"class":1582},[1576,2376,2377],{"class":1578,"line":1626},[1576,2378,1684],{"emptyLinePlaceholder":1683},[1576,2380,2381,2384,2387,2389,2392,2396,2398,2401,2403,2405],{"class":1578,"line":1661},[1576,2382,2383],{"class":1767},"watch",[1576,2385,2386],{"class":1615},"(count",[1576,2388,1922],{"class":1582},[1576,2390,2391],{"class":1582}," (",[1576,2393,2395],{"class":2394},"sK9QF","newVal",[1576,2397,1922],{"class":1582},[1576,2399,2400],{"class":2394}," oldVal",[1576,2402,1777],{"class":1582},[1576,2404,2118],{"class":1634},[1576,2406,1741],{"class":1582},[1576,2408,2409,2412,2414,2416,2418,2421,2424,2427,2430,2432,2435,2437,2439,2442,2444],{"class":1578,"line":1671},[1576,2410,2411],{"class":1615},"    console",[1576,2413,1806],{"class":1582},[1576,2415,2130],{"class":1767},[1576,2417,1770],{"class":1586},[1576,2419,2420],{"class":1582},"`",[1576,2422,2423],{"class":1644},"count 从 ",[1576,2425,2426],{"class":1582},"${",[1576,2428,2429],{"class":1615},"oldVal",[1576,2431,2315],{"class":1582},[1576,2433,2434],{"class":1644}," 变成了 ",[1576,2436,2426],{"class":1582},[1576,2438,2395],{"class":1615},[1576,2440,2441],{"class":1582},"}`",[1576,2443,1777],{"class":1586},[1576,2445,1724],{"class":1582},[1576,2447,2448,2450,2452],{"class":1578,"line":1680},[1576,2449,2315],{"class":1582},[1576,2451,1777],{"class":1615},[1576,2453,1724],{"class":1582},[1548,2455,2456],{},[1531,2457,2458],{},"watch 还能监听多个响应式数据，也可以写深度监听，使用起来更灵活。",[1535,2460],{},[1526,2462,2464],{"id":2463},"替代-this-的思维方式","💭 替代 this 的思维方式",[1531,2466,2467],{},"在 Vue 2 中，我们通过 this 访问组件数据和方法，写法简单但容易混淆作用域。",[1531,2469,2470],{},"Composition API 中，setup() 内不存在 this，上下文被移除。我们直接通过变量名访问，避免了 this 指向问题。",[1531,2472,2473],{},"这就要求我们改变思维：",[1893,2475,2476,2479,2482],{},[1896,2477,2478],{},"数据和方法都通过变量和函数直接操作，不用 this。",[1896,2480,2481],{},"组件状态由一堆响应式变量构成，像普通 JS 代码一样组织。",[1896,2483,2484],{},"模板中仍然使用变量名访问，但底层不再依赖 this。",[1531,2486,2487],{},"例如：",[1566,2489,2491],{"className":1907,"code":2490,"language":1909,"meta":1571,"style":1571},"export default {\n    setup() {\n        const count = ref(0);\n\n        function increment() {\n            count.value++;\n        }\n\n        return { count, increment };\n    },\n};\n",[1573,2492,2493,2501,2509,2527,2531,2541,2551,2555,2559,2574,2578],{"__ignoreMap":1571},[1576,2494,2495,2497,2499],{"class":1578,"line":1579},[1576,2496,1735],{"class":1700},[1576,2498,1738],{"class":1700},[1576,2500,1741],{"class":1582},[1576,2502,2503,2505,2507],{"class":1578,"line":1593},[1576,2504,1747],{"class":1586},[1576,2506,1750],{"class":1582},[1576,2508,1741],{"class":1582},[1576,2510,2511,2513,2515,2517,2519,2521,2523,2525],{"class":1578,"line":1604},[1576,2512,1758],{"class":1634},[1576,2514,1761],{"class":1615},[1576,2516,1764],{"class":1582},[1576,2518,1707],{"class":1767},[1576,2520,1770],{"class":1586},[1576,2522,1774],{"class":1773},[1576,2524,1777],{"class":1586},[1576,2526,1724],{"class":1582},[1576,2528,2529],{"class":1578,"line":1626},[1576,2530,1684],{"emptyLinePlaceholder":1683},[1576,2532,2533,2535,2537,2539],{"class":1578,"line":1661},[1576,2534,1790],{"class":1634},[1576,2536,1793],{"class":1767},[1576,2538,1750],{"class":1582},[1576,2540,1741],{"class":1582},[1576,2542,2543,2545,2547,2549],{"class":1578,"line":1671},[1576,2544,1803],{"class":1615},[1576,2546,1806],{"class":1582},[1576,2548,1809],{"class":1615},[1576,2550,1812],{"class":1582},[1576,2552,2553],{"class":1578,"line":1680},[1576,2554,1818],{"class":1582},[1576,2556,2557],{"class":1578,"line":1687},[1576,2558,1684],{"emptyLinePlaceholder":1683},[1576,2560,2561,2563,2565,2567,2569,2571],{"class":1578,"line":1697},[1576,2562,1829],{"class":1700},[1576,2564,1704],{"class":1582},[1576,2566,1761],{"class":1615},[1576,2568,1922],{"class":1582},[1576,2570,1793],{"class":1615},[1576,2572,2573],{"class":1582}," };\n",[1576,2575,2576],{"class":1578,"line":1727},[1576,2577,1859],{"class":1582},[1576,2579,2580],{"class":1578,"line":1732},[1576,2581,1865],{"class":1582},[1531,2583,2584],{},"没有了 this，我们的代码更像纯函数，易于测试和维护。",[1526,2586,2588],{"id":2587},"script-setup-语法糖","✨ script setup 语法糖",[1531,2590,2591],{},"Vue3 推出了 # script setup 语法糖，简单来说，它是对传统 setup () 函数的一个极简化写法。它的优势主要体现在代码更简洁、减少模板和逻辑之间的样板代码，让开发体验更友好。",[1531,2593,2594],{},"传统写法中，setup () 需要手动 return 所有模板中会用到的变量和函数，代码较为冗长，容易漏写。而 # script setup 让你无需显式 return，所有顶层声明都自动暴露给模板。",[1531,2596,2597],{},"举个例子：",[1566,2599,2601],{"className":1568,"code":2600,"language":1570,"meta":1571,"style":1571},"\u003Ctemplate>\n    \u003Cbutton @click=\"increment\">Count: {{ count }}\u003C/button>\n\u003C/template>\n\n\u003Cscript setup>\nimport { ref } from 'vue';\n\nconst count = ref(0);\nfunction increment() {\n    count.value++;\n}\n\u003C/script>\n",[1573,2602,2603,2611,2638,2646,2650,2661,2681,2685,2703,2714,2725,2730],{"__ignoreMap":1571},[1576,2604,2605,2607,2609],{"class":1578,"line":1579},[1576,2606,1583],{"class":1582},[1576,2608,1587],{"class":1586},[1576,2610,1590],{"class":1582},[1576,2612,2613,2615,2617,2619,2621,2623,2625,2627,2629,2632,2634,2636],{"class":1578,"line":1593},[1576,2614,1596],{"class":1582},[1576,2616,1631],{"class":1586},[1576,2618,1635],{"class":1634},[1576,2620,1638],{"class":1582},[1576,2622,1641],{"class":1582},[1576,2624,1645],{"class":1644},[1576,2626,1641],{"class":1582},[1576,2628,1612],{"class":1582},[1576,2630,2631],{"class":1615},"Count: {{ count }}",[1576,2633,1619],{"class":1582},[1576,2635,1631],{"class":1586},[1576,2637,1590],{"class":1582},[1576,2639,2640,2642,2644],{"class":1578,"line":1604},[1576,2641,1619],{"class":1582},[1576,2643,1587],{"class":1586},[1576,2645,1590],{"class":1582},[1576,2647,2648],{"class":1578,"line":1626},[1576,2649,1684],{"emptyLinePlaceholder":1683},[1576,2651,2652,2654,2656,2659],{"class":1578,"line":1661},[1576,2653,1583],{"class":1582},[1576,2655,1692],{"class":1586},[1576,2657,2658],{"class":1634}," setup",[1576,2660,1590],{"class":1582},[1576,2662,2663,2665,2667,2669,2671,2673,2675,2677,2679],{"class":1578,"line":1671},[1576,2664,1701],{"class":1700},[1576,2666,1704],{"class":1582},[1576,2668,1707],{"class":1615},[1576,2670,1710],{"class":1582},[1576,2672,1713],{"class":1700},[1576,2674,1716],{"class":1582},[1576,2676,1570],{"class":1644},[1576,2678,1721],{"class":1582},[1576,2680,1724],{"class":1582},[1576,2682,2683],{"class":1578,"line":1680},[1576,2684,1684],{"emptyLinePlaceholder":1683},[1576,2686,2687,2689,2691,2693,2695,2697,2699,2701],{"class":1578,"line":1687},[1576,2688,1946],{"class":1634},[1576,2690,1949],{"class":1615},[1576,2692,1638],{"class":1582},[1576,2694,1707],{"class":1767},[1576,2696,1770],{"class":1615},[1576,2698,1774],{"class":1773},[1576,2700,1777],{"class":1615},[1576,2702,1724],{"class":1582},[1576,2704,2705,2708,2710,2712],{"class":1578,"line":1697},[1576,2706,2707],{"class":1634},"function",[1576,2709,1793],{"class":1767},[1576,2711,1750],{"class":1582},[1576,2713,1741],{"class":1582},[1576,2715,2716,2719,2721,2723],{"class":1578,"line":1727},[1576,2717,2718],{"class":1615},"    count",[1576,2720,1806],{"class":1582},[1576,2722,1809],{"class":1615},[1576,2724,1812],{"class":1582},[1576,2726,2727],{"class":1578,"line":1732},[1576,2728,2729],{"class":1582},"}\n",[1576,2731,2732,2734,2736],{"class":1578,"line":1744},[1576,2733,1619],{"class":1582},[1576,2735,1692],{"class":1586},[1576,2737,1590],{"class":1582},[1531,2739,2740],{},"上面代码中没有 return，变量和方法直接可用，整体更清爽。能够提高开发效率。",[1526,2742,2744],{"id":2743},"defineprops-和-defineemits-的使用方式","📦 defineProps 和 defineEmits 的使用方式",[1531,2746,2747],{},"script setup 提供了两个编译时的辅助函数：defineProps 和 defineEmits。",[1531,2749,2750],{},"它们帮我们声明组件的 props 和 emits 类型，同时在代码中可以直接使用。",[2752,2753,2755],"h3",{"id":2754},"使用-defineprops","使用 defineProps",[1566,2757,2759],{"className":1568,"code":2758,"language":1570,"meta":1571,"style":1571},"\u003Ctemplate>\n    \u003Ch1>{{ props.title }} - {{ props.count }}\u003C/h1>\n\u003C/template>\n\n\u003Cscript setup>\nconst props = defineProps({\n    title: String,\n    count: {\n        type: Number,\n        default: 0,\n    },\n});\n\u003C/script>\n",[1573,2760,2761,2769,2787,2795,2799,2809,2826,2838,2846,2858,2870,2874,2882],{"__ignoreMap":1571},[1576,2762,2763,2765,2767],{"class":1578,"line":1579},[1576,2764,1583],{"class":1582},[1576,2766,1587],{"class":1586},[1576,2768,1590],{"class":1582},[1576,2770,2771,2773,2776,2778,2781,2783,2785],{"class":1578,"line":1593},[1576,2772,1596],{"class":1582},[1576,2774,2775],{"class":1586},"h1",[1576,2777,1612],{"class":1582},[1576,2779,2780],{"class":1615},"{{ props.title }} - {{ props.count }}",[1576,2782,1619],{"class":1582},[1576,2784,2775],{"class":1586},[1576,2786,1590],{"class":1582},[1576,2788,2789,2791,2793],{"class":1578,"line":1604},[1576,2790,1619],{"class":1582},[1576,2792,1587],{"class":1586},[1576,2794,1590],{"class":1582},[1576,2796,2797],{"class":1578,"line":1626},[1576,2798,1684],{"emptyLinePlaceholder":1683},[1576,2800,2801,2803,2805,2807],{"class":1578,"line":1661},[1576,2802,1583],{"class":1582},[1576,2804,1692],{"class":1586},[1576,2806,2658],{"class":1634},[1576,2808,1590],{"class":1582},[1576,2810,2811,2813,2816,2818,2821,2823],{"class":1578,"line":1671},[1576,2812,1946],{"class":1634},[1576,2814,2815],{"class":1615}," props ",[1576,2817,1638],{"class":1582},[1576,2819,2820],{"class":1767}," defineProps",[1576,2822,1770],{"class":1615},[1576,2824,2825],{"class":1582},"{\n",[1576,2827,2828,2831,2833,2836],{"class":1578,"line":1680},[1576,2829,2830],{"class":1586},"    title",[1576,2832,1988],{"class":1582},[1576,2834,2835],{"class":1615}," String",[1576,2837,1839],{"class":1582},[1576,2839,2840,2842,2844],{"class":1578,"line":1687},[1576,2841,2718],{"class":1586},[1576,2843,1988],{"class":1582},[1576,2845,1741],{"class":1582},[1576,2847,2848,2851,2853,2856],{"class":1578,"line":1697},[1576,2849,2850],{"class":1586},"        type",[1576,2852,1988],{"class":1582},[1576,2854,2855],{"class":1615}," Number",[1576,2857,1839],{"class":1582},[1576,2859,2860,2863,2865,2868],{"class":1578,"line":1727},[1576,2861,2862],{"class":1586},"        default",[1576,2864,1988],{"class":1582},[1576,2866,2867],{"class":1773}," 0",[1576,2869,1839],{"class":1582},[1576,2871,2872],{"class":1578,"line":1732},[1576,2873,1859],{"class":1582},[1576,2875,2876,2878,2880],{"class":1578,"line":1744},[1576,2877,2315],{"class":1582},[1576,2879,1777],{"class":1615},[1576,2881,1724],{"class":1582},[1576,2883,2884,2886,2888],{"class":1578,"line":1755},[1576,2885,1619],{"class":1582},[1576,2887,1692],{"class":1586},[1576,2889,1590],{"class":1582},[2752,2891,2893],{"id":2892},"使用-defineemits","使用 defineEmits",[1566,2895,2897],{"className":1568,"code":2896,"language":1570,"meta":1571,"style":1571},"\u003Ctemplate>\n    \u003Cbutton @click=\"handleChange\">Change\u003C/button>\n\u003C/template>\n\n\u003Cscript setup>\nconst emit = defineEmits(['change']);\n\nfunction handleChange() {\n    emit('change', 'value');\n}\n\u003C/script>\n",[1573,2898,2899,2907,2935,2943,2947,2957,2984,2988,2999,3024,3028],{"__ignoreMap":1571},[1576,2900,2901,2903,2905],{"class":1578,"line":1579},[1576,2902,1583],{"class":1582},[1576,2904,1587],{"class":1586},[1576,2906,1590],{"class":1582},[1576,2908,2909,2911,2913,2915,2917,2919,2922,2924,2926,2929,2931,2933],{"class":1578,"line":1593},[1576,2910,1596],{"class":1582},[1576,2912,1631],{"class":1586},[1576,2914,1635],{"class":1634},[1576,2916,1638],{"class":1582},[1576,2918,1641],{"class":1582},[1576,2920,2921],{"class":1644},"handleChange",[1576,2923,1641],{"class":1582},[1576,2925,1612],{"class":1582},[1576,2927,2928],{"class":1615},"Change",[1576,2930,1619],{"class":1582},[1576,2932,1631],{"class":1586},[1576,2934,1590],{"class":1582},[1576,2936,2937,2939,2941],{"class":1578,"line":1604},[1576,2938,1619],{"class":1582},[1576,2940,1587],{"class":1586},[1576,2942,1590],{"class":1582},[1576,2944,2945],{"class":1578,"line":1626},[1576,2946,1684],{"emptyLinePlaceholder":1683},[1576,2948,2949,2951,2953,2955],{"class":1578,"line":1661},[1576,2950,1583],{"class":1582},[1576,2952,1692],{"class":1586},[1576,2954,2658],{"class":1634},[1576,2956,1590],{"class":1582},[1576,2958,2959,2961,2964,2966,2969,2972,2974,2977,2979,2982],{"class":1578,"line":1671},[1576,2960,1946],{"class":1634},[1576,2962,2963],{"class":1615}," emit ",[1576,2965,1638],{"class":1582},[1576,2967,2968],{"class":1767}," defineEmits",[1576,2970,2971],{"class":1615},"([",[1576,2973,1721],{"class":1582},[1576,2975,2976],{"class":1644},"change",[1576,2978,1721],{"class":1582},[1576,2980,2981],{"class":1615},"])",[1576,2983,1724],{"class":1582},[1576,2985,2986],{"class":1578,"line":1680},[1576,2987,1684],{"emptyLinePlaceholder":1683},[1576,2989,2990,2992,2995,2997],{"class":1578,"line":1687},[1576,2991,2707],{"class":1634},[1576,2993,2994],{"class":1767}," handleChange",[1576,2996,1750],{"class":1582},[1576,2998,1741],{"class":1582},[1576,3000,3001,3004,3006,3008,3010,3012,3014,3016,3018,3020,3022],{"class":1578,"line":1697},[1576,3002,3003],{"class":1767},"    emit",[1576,3005,1770],{"class":1586},[1576,3007,1721],{"class":1582},[1576,3009,2976],{"class":1644},[1576,3011,1721],{"class":1582},[1576,3013,1922],{"class":1582},[1576,3015,1716],{"class":1582},[1576,3017,1809],{"class":1644},[1576,3019,1721],{"class":1582},[1576,3021,1777],{"class":1586},[1576,3023,1724],{"class":1582},[1576,3025,3026],{"class":1578,"line":1727},[1576,3027,2729],{"class":1582},[1576,3029,3030,3032,3034],{"class":1578,"line":1732},[1576,3031,1619],{"class":1582},[1576,3033,1692],{"class":1586},[1576,3035,1590],{"class":1582},[1531,3037,3038],{},"这里的 emit 就是发射事件的方法，可以传递事件名和参数。",[1535,3040],{},[1526,3042,3044],{"id":3043},"小节总结","🧾 小节总结",[1893,3046,3047,3050,3053,3056,3059],{},[1896,3048,3049],{},"Composition API 让组件逻辑更集中，解决了 Options API 代码分散的问题。",[1896,3051,3052],{},"setup() 是组件逻辑的集中地，里面用 ref、reactive 创建响应式数据。",[1896,3054,3055],{},"生命周期钩子变成了独立函数（onMounted 等），只能在 setup() 中使用。",[1896,3057,3058],{},"computed 和 watch 的写法更灵活，支持更复杂的响应式场景。",[1896,3060,3061],{},"Composition API 去掉了 this，改成变量和函数直接操作，代码更清晰易维护。",[1535,3063],{},[1526,3065,3067],{"id":3066},"知识问答qa","❓ 知识问答（Q&A）",[1531,3069,3070],{},"Q：为什么 Composition API 要移除 this？",[1531,3072,3073],{},"A：去掉 this 可以避免作用域混乱，代码更像普通 JS，便于理解和测试。",[1531,3075,3076],{},"Q：ref 和 reactive 有什么主要区别？",[1531,3078,3079],{},"A：ref 用于包装基本类型，访问时用 .value；reactive 用于包装对象，直接访问属性。",[1531,3081,3082],{},"Q：生命周期钩子怎么在 setup() 中使用？",[1531,3084,3085],{},"A：使用对应的钩子函数，比如 onMounted(() => {...})，只能在 setup() 内调用。",[1535,3087],{},[1526,3089,3091],{"id":3090},"小练习","🧪 小练习",[2752,3093,3094],{"id":3094},"练习1",[1531,3096,3097],{},"用 Composition API 写一个计数器组件，实现加减功能，并且在计数变化时打印日志。",[1566,3099,3101],{"className":1568,"code":3100,"language":1570,"meta":1571,"style":1571},"\u003Ctemplate>\n    \u003Cdiv>\n        \u003Cp>计数：{{ count }}\u003C/p>\n        \u003Cbutton @click=\"decrement\">减一\u003C/button>\n        \u003Cbutton @click=\"increment\">加一\u003C/button>\n    \u003C/div>\n\u003C/template>\n\n\u003Cscript setup>\nimport { ref, watch } from 'vue';\n\nconst count = ref(0);\n\n// 请实现 decrement 和 increment 函数\n\n// 监听 count 变化，打印日志\n\u003C/script>\n",[1573,3102,3103,3111,3119,3135,3163,3189,3197,3205,3209,3219,3243,3247,3265,3269,3274,3278,3283],{"__ignoreMap":1571},[1576,3104,3105,3107,3109],{"class":1578,"line":1579},[1576,3106,1583],{"class":1582},[1576,3108,1587],{"class":1586},[1576,3110,1590],{"class":1582},[1576,3112,3113,3115,3117],{"class":1578,"line":1593},[1576,3114,1596],{"class":1582},[1576,3116,1599],{"class":1586},[1576,3118,1590],{"class":1582},[1576,3120,3121,3123,3125,3127,3129,3131,3133],{"class":1578,"line":1604},[1576,3122,1607],{"class":1582},[1576,3124,1531],{"class":1586},[1576,3126,1612],{"class":1582},[1576,3128,1616],{"class":1615},[1576,3130,1619],{"class":1582},[1576,3132,1531],{"class":1586},[1576,3134,1590],{"class":1582},[1576,3136,3137,3139,3141,3143,3145,3147,3150,3152,3154,3157,3159,3161],{"class":1578,"line":1626},[1576,3138,1607],{"class":1582},[1576,3140,1631],{"class":1586},[1576,3142,1635],{"class":1634},[1576,3144,1638],{"class":1582},[1576,3146,1641],{"class":1582},[1576,3148,3149],{"class":1644},"decrement",[1576,3151,1641],{"class":1582},[1576,3153,1612],{"class":1582},[1576,3155,3156],{"class":1615},"减一",[1576,3158,1619],{"class":1582},[1576,3160,1631],{"class":1586},[1576,3162,1590],{"class":1582},[1576,3164,3165,3167,3169,3171,3173,3175,3177,3179,3181,3183,3185,3187],{"class":1578,"line":1661},[1576,3166,1607],{"class":1582},[1576,3168,1631],{"class":1586},[1576,3170,1635],{"class":1634},[1576,3172,1638],{"class":1582},[1576,3174,1641],{"class":1582},[1576,3176,1645],{"class":1644},[1576,3178,1641],{"class":1582},[1576,3180,1612],{"class":1582},[1576,3182,1652],{"class":1615},[1576,3184,1619],{"class":1582},[1576,3186,1631],{"class":1586},[1576,3188,1590],{"class":1582},[1576,3190,3191,3193,3195],{"class":1578,"line":1671},[1576,3192,1664],{"class":1582},[1576,3194,1599],{"class":1586},[1576,3196,1590],{"class":1582},[1576,3198,3199,3201,3203],{"class":1578,"line":1680},[1576,3200,1619],{"class":1582},[1576,3202,1587],{"class":1586},[1576,3204,1590],{"class":1582},[1576,3206,3207],{"class":1578,"line":1687},[1576,3208,1684],{"emptyLinePlaceholder":1683},[1576,3210,3211,3213,3215,3217],{"class":1578,"line":1697},[1576,3212,1583],{"class":1582},[1576,3214,1692],{"class":1586},[1576,3216,2658],{"class":1634},[1576,3218,1590],{"class":1582},[1576,3220,3221,3223,3225,3227,3229,3231,3233,3235,3237,3239,3241],{"class":1578,"line":1727},[1576,3222,1701],{"class":1700},[1576,3224,1704],{"class":1582},[1576,3226,1707],{"class":1615},[1576,3228,1922],{"class":1582},[1576,3230,2340],{"class":1615},[1576,3232,1710],{"class":1582},[1576,3234,1713],{"class":1700},[1576,3236,1716],{"class":1582},[1576,3238,1570],{"class":1644},[1576,3240,1721],{"class":1582},[1576,3242,1724],{"class":1582},[1576,3244,3245],{"class":1578,"line":1732},[1576,3246,1684],{"emptyLinePlaceholder":1683},[1576,3248,3249,3251,3253,3255,3257,3259,3261,3263],{"class":1578,"line":1744},[1576,3250,1946],{"class":1634},[1576,3252,1949],{"class":1615},[1576,3254,1638],{"class":1582},[1576,3256,1707],{"class":1767},[1576,3258,1770],{"class":1615},[1576,3260,1774],{"class":1773},[1576,3262,1777],{"class":1615},[1576,3264,1724],{"class":1582},[1576,3266,3267],{"class":1578,"line":1755},[1576,3268,1684],{"emptyLinePlaceholder":1683},[1576,3270,3271],{"class":1578,"line":1782},[1576,3272,3273],{"class":1965},"// 请实现 decrement 和 increment 函数\n",[1576,3275,3276],{"class":1578,"line":1787},[1576,3277,1684],{"emptyLinePlaceholder":1683},[1576,3279,3280],{"class":1578,"line":1800},[1576,3281,3282],{"class":1965},"// 监听 count 变化，打印日志\n",[1576,3284,3285,3287,3289],{"class":1578,"line":1815},[1576,3286,1619],{"class":1582},[1576,3288,1692],{"class":1586},[1576,3290,1590],{"class":1582},[1526,3292,3293],{"id":3293},"练习2",[1531,3295,3296],{},"写一个组件，使用 reactive 定义一个用户对象，包含 name、age 两个属性，并用 computed 计算用户的信息描述。",[1566,3298,3300],{"className":1568,"code":3299,"language":1570,"meta":1571,"style":1571},"\u003Ctemplate>\n    \u003Cdiv>\n        \u003Cp>用户信息：{{ userInfo }}\u003C/p>\n    \u003C/div>\n\u003C/template>\n\n\u003Cscript setup>\nimport { reactive, computed } from 'vue';\n\nconst user = reactive({\n    name: '李四',\n    age: 20,\n});\n\n// 请定义 computed 属性 userInfo，格式如：李四，20岁\n\u003C/script>\n",[1573,3301,3302,3310,3318,3335,3343,3351,3355,3365,3389,3393,3408,3424,3436,3444,3448,3453],{"__ignoreMap":1571},[1576,3303,3304,3306,3308],{"class":1578,"line":1579},[1576,3305,1583],{"class":1582},[1576,3307,1587],{"class":1586},[1576,3309,1590],{"class":1582},[1576,3311,3312,3314,3316],{"class":1578,"line":1593},[1576,3313,1596],{"class":1582},[1576,3315,1599],{"class":1586},[1576,3317,1590],{"class":1582},[1576,3319,3320,3322,3324,3326,3329,3331,3333],{"class":1578,"line":1604},[1576,3321,1607],{"class":1582},[1576,3323,1531],{"class":1586},[1576,3325,1612],{"class":1582},[1576,3327,3328],{"class":1615},"用户信息：{{ userInfo }}",[1576,3330,1619],{"class":1582},[1576,3332,1531],{"class":1586},[1576,3334,1590],{"class":1582},[1576,3336,3337,3339,3341],{"class":1578,"line":1626},[1576,3338,1664],{"class":1582},[1576,3340,1599],{"class":1586},[1576,3342,1590],{"class":1582},[1576,3344,3345,3347,3349],{"class":1578,"line":1661},[1576,3346,1619],{"class":1582},[1576,3348,1587],{"class":1586},[1576,3350,1590],{"class":1582},[1576,3352,3353],{"class":1578,"line":1671},[1576,3354,1684],{"emptyLinePlaceholder":1683},[1576,3356,3357,3359,3361,3363],{"class":1578,"line":1680},[1576,3358,1583],{"class":1582},[1576,3360,1692],{"class":1586},[1576,3362,2658],{"class":1634},[1576,3364,1590],{"class":1582},[1576,3366,3367,3369,3371,3373,3375,3377,3379,3381,3383,3385,3387],{"class":1578,"line":1687},[1576,3368,1701],{"class":1700},[1576,3370,1704],{"class":1582},[1576,3372,1925],{"class":1615},[1576,3374,1922],{"class":1582},[1576,3376,2199],{"class":1615},[1576,3378,1710],{"class":1582},[1576,3380,1713],{"class":1700},[1576,3382,1716],{"class":1582},[1576,3384,1570],{"class":1644},[1576,3386,1721],{"class":1582},[1576,3388,1724],{"class":1582},[1576,3390,3391],{"class":1578,"line":1697},[1576,3392,1684],{"emptyLinePlaceholder":1683},[1576,3394,3395,3397,3400,3402,3404,3406],{"class":1578,"line":1727},[1576,3396,1946],{"class":1634},[1576,3398,3399],{"class":1615}," user ",[1576,3401,1638],{"class":1582},[1576,3403,1925],{"class":1767},[1576,3405,1770],{"class":1615},[1576,3407,2825],{"class":1582},[1576,3409,3410,3413,3415,3417,3420,3422],{"class":1578,"line":1732},[1576,3411,3412],{"class":1586},"    name",[1576,3414,1988],{"class":1582},[1576,3416,1716],{"class":1582},[1576,3418,3419],{"class":1644},"李四",[1576,3421,1721],{"class":1582},[1576,3423,1839],{"class":1582},[1576,3425,3426,3429,3431,3434],{"class":1578,"line":1744},[1576,3427,3428],{"class":1586},"    age",[1576,3430,1988],{"class":1582},[1576,3432,3433],{"class":1773}," 20",[1576,3435,1839],{"class":1582},[1576,3437,3438,3440,3442],{"class":1578,"line":1755},[1576,3439,2315],{"class":1582},[1576,3441,1777],{"class":1615},[1576,3443,1724],{"class":1582},[1576,3445,3446],{"class":1578,"line":1782},[1576,3447,1684],{"emptyLinePlaceholder":1683},[1576,3449,3450],{"class":1578,"line":1787},[1576,3451,3452],{"class":1965},"// 请定义 computed 属性 userInfo，格式如：李四，20岁\n",[1576,3454,3455,3457,3459],{"class":1578,"line":1800},[1576,3456,1619],{"class":1582},[1576,3458,1692],{"class":1586},[1576,3460,1590],{"class":1582},[1535,3462],{},[1531,3464,3465],{},"🎉 恭喜你已经掌握 Composition API 的核心技能啦！能够用 Vue 3 写出可维护性更高、逻辑更清晰的组件了！继续多练习，相信你会成为 Vue 3 高手！",[3467,3468,3469],"style",{},"html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}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 .s50WR, html code.shiki .s50WR{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s8pZq, html code.shiki .s8pZq{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .smPcV, html code.shiki .smPcV{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}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 .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}html pre.shiki code .sK9QF, html code.shiki .sK9QF{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}",{"title":1571,"searchDepth":1593,"depth":1593,"links":3471},[3472,3473,3474,3475,3476,3477,3478,3479,3480,3484,3485,3486,3489],{"id":1528,"depth":1593,"text":1529},{"id":1539,"depth":1593,"text":1540},{"id":1557,"depth":1593,"text":1558},{"id":1887,"depth":1593,"text":1888},{"id":2054,"depth":1593,"text":2055},{"id":2174,"depth":1593,"text":2175},{"id":2463,"depth":1593,"text":2464},{"id":2587,"depth":1593,"text":2588},{"id":2743,"depth":1593,"text":2744,"children":3481},[3482,3483],{"id":2754,"depth":1604,"text":2755},{"id":2892,"depth":1604,"text":2893},{"id":3043,"depth":1593,"text":3044},{"id":3066,"depth":1593,"text":3067},{"id":3090,"depth":1593,"text":3091,"children":3487},[3488],{"id":3094,"depth":1604,"text":3094},{"id":3293,"depth":1593,"text":3293},"全面讲解 Vue 3 中 Composition API 的核心概念与实战技巧，帮助前端小白快速掌握新特性。","md",null,{},{"title":677},{"title":1521,"description":3490},"lss1jkr1DF",[3498,3500],{"title":675,"path":671,"stem":672,"description":3499,"children":-1},"这篇文章将全面讲解 Vue 3 的核心变化及其生态升级，帮助刚入门的朋友快速理解并上手 Vue 3 开发。",{"title":681,"path":682,"stem":683,"description":3501,"children":-1},"全面讲解 Vue3 中 Composition API 的逻辑抽离方法，包括 composable 函数、provide/inject 用法、响应式模块封装及常见陷阱与调试技巧",1784715109245]