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'李四',\n});\n",[1552,1790,1791,1804,1816,1833],{"__ignoreMap":1550},[1555,1792,1793,1795,1798,1800,1802],{"class":1557,"line":1558},[1555,1794,1588],{"class":1569},[1555,1796,1797],{"class":1573},".",[1555,1799,1772],{"class":1577},[1555,1801,1581],{"class":1569},[1555,1803,1617],{"class":1573},[1555,1805,1806,1809,1811,1814],{"class":1557,"line":1599},[1555,1807,1808],{"class":1623},"    count",[1555,1810,1605],{"class":1573},[1555,1812,1813],{"class":1629}," 10",[1555,1815,1633],{"class":1573},[1555,1817,1818,1821,1823,1826,1829,1831],{"class":1557,"line":1620},[1555,1819,1820],{"class":1623},"    name",[1555,1822,1605],{"class":1573},[1555,1824,1825],{"class":1573}," '",[1555,1827,1828],{"class":1587},"李四",[1555,1830,1584],{"class":1573},[1555,1832,1633],{"class":1573},[1555,1834,1835,1837,1839],{"class":1557,"line":1636},[1555,1836,1650],{"class":1573},[1555,1838,1642],{"class":1569},[1555,1840,1655],{"class":1573},[1530,1842,1843,1845],{},[1552,1844,1772],{}," 也支持函数形式，适合需要基于当前状态计算的场景：",[1544,1847,1849],{"className":1546,"code":1848,"language":1549,"meta":1550,"style":1550},"counter.$patch((state) => {\n    state.count++;\n});\n",[1552,1850,1851,1873,1885],{"__ignoreMap":1550},[1555,1852,1853,1855,1857,1859,1861,1863,1867,1869,1871],{"class":1557,"line":1558},[1555,1854,1588],{"class":1569},[1555,1856,1797],{"class":1573},[1555,1858,1772],{"class":1577},[1555,1860,1581],{"class":1569},[1555,1862,1581],{"class":1573},[1555,1864,1866],{"class":1865},"sK9QF","state",[1555,1868,1642],{"class":1573},[1555,1870,1611],{"class":1565},[1555,1872,1596],{"class":1573},[1555,1874,1875,1877,1879,1882],{"class":1557,"line":1599},[1555,1876,1602],{"class":1569},[1555,1878,1797],{"class":1573},[1555,1880,1881],{"class":1569},"count",[1555,1883,1884],{"class":1573},"++;\n",[1555,1886,1887,1889,1891],{"class":1557,"line":1620},[1555,1888,1650],{"class":1573},[1555,1890,1642],{"class":1569},[1555,1892,1655],{"class":1573},[1765,1894,1895],{},[1530,1896,1897,1898,1900],{},"函数形式的 ",[1552,1899,1772],{}," 接收当前 state 作为参数，在里面可以直接改。这样写逻辑更集中，也更容易追踪。",[1534,1902],{},[1525,1904,1906],{"id":1905},"reset一键恢复初始值","🔄 $reset：一键恢复初始值",[1530,1908,1909,1910,1913,1914,1917],{},"如果你想把 state 恢复到 ",[1552,1911,1912],{},"state()"," 函数里写的初始值，可以调用 ",[1552,1915,1916],{},"$reset","：",[1544,1919,1921],{"className":1546,"code":1920,"language":1549,"meta":1550,"style":1550},"counter.$reset(); // count 变回 0\n",[1552,1922,1923],{"__ignoreMap":1550},[1555,1924,1925,1927,1929,1931,1934,1937],{"class":1557,"line":1558},[1555,1926,1588],{"class":1569},[1555,1928,1797],{"class":1573},[1555,1930,1916],{"class":1577},[1555,1932,1933],{"class":1569},"()",[1555,1935,1936],{"class":1573},";",[1555,1938,1940],{"class":1939},"syuKq"," // count 变回 0\n",[1942,1943,1944],"warning",{},[1530,1945,1946,1948,1949,1952,1953,1955],{},[1552,1947,1916],{}," 只对通过 ",[1552,1950,1951],{},"state: () => ({})"," 定义的初始状态有效。如果你之前用 ",[1552,1954,1772],{}," 整体替换了某个对象字段，恢复行为可能不符合预期。",[1534,1957],{},[1525,1959,1961],{"id":1960},"响应式对象和数组的陷阱","⚡ 响应式对象和数组的陷阱",[1963,1964,1965],"h3",{"id":1965},"替换整个对象",[1530,1967,1968],{},"下面这种写法会破坏响应式：",[1544,1970,1972],{"className":1546,"code":1971,"language":1549,"meta":1550,"style":1550},"const user = useUserStore();\nuser.info = { name: '李四', age: 25 }; // ❌ 可能丢失响应式\n",[1552,1973,1974,1991],{"__ignoreMap":1550},[1555,1975,1976,1979,1982,1984,1987,1989],{"class":1557,"line":1558},[1555,1977,1978],{"class":1565},"const",[1555,1980,1981],{"class":1569}," user ",[1555,1983,1574],{"class":1573},[1555,1985,1986],{"class":1577}," useUserStore",[1555,1988,1933],{"class":1569},[1555,1990,1655],{"class":1573},[1555,1992,1993,1996,1998,2001,2003,2006,2009,2011,2013,2015,2017,2019,2022,2024,2027,2030],{"class":1557,"line":1599},[1555,1994,1995],{"class":1569},"user",[1555,1997,1797],{"class":1573},[1555,1999,2000],{"class":1569},"info ",[1555,2002,1574],{"class":1573},[1555,2004,2005],{"class":1573}," {",[1555,2007,2008],{"class":1623}," name",[1555,2010,1605],{"class":1573},[1555,2012,1825],{"class":1573},[1555,2014,1828],{"class":1587},[1555,2016,1584],{"class":1573},[1555,2018,1593],{"class":1573},[1555,2020,2021],{"class":1623}," age",[1555,2023,1605],{"class":1573},[1555,2025,2026],{"class":1629}," 25",[1555,2028,2029],{"class":1573}," };",[1555,2031,2032],{"class":1939}," // ❌ 可能丢失响应式\n",[1530,2034,2035,2036,2039],{},"为什么？因为 ",[1552,2037,2038],{},"info"," 的引用被整个换掉了，Pinia 内部对这个字段的响应式追踪可能会出问题。",[1530,2041,2042],{},"正确做法：",[1544,2044,2046],{"className":1546,"code":2045,"language":1549,"meta":1550,"style":1550},"// ✅ 逐个改属性\nuser.info.name = '李四';\nuser.info.age = 25;\n\n// ✅ 或者用 $patch\nuser.$patch({\n    info: { name: '李四', age: 25 },\n});\n",[1552,2047,2048,2053,2076,2095,2101,2106,2119,2150],{"__ignoreMap":1550},[1555,2049,2050],{"class":1557,"line":1558},[1555,2051,2052],{"class":1939},"// ✅ 逐个改属性\n",[1555,2054,2055,2057,2059,2061,2063,2066,2068,2070,2072,2074],{"class":1557,"line":1599},[1555,2056,1995],{"class":1569},[1555,2058,1797],{"class":1573},[1555,2060,2038],{"class":1569},[1555,2062,1797],{"class":1573},[1555,2064,2065],{"class":1569},"name ",[1555,2067,1574],{"class":1573},[1555,2069,1825],{"class":1573},[1555,2071,1828],{"class":1587},[1555,2073,1584],{"class":1573},[1555,2075,1655],{"class":1573},[1555,2077,2078,2080,2082,2084,2086,2089,2091,2093],{"class":1557,"line":1620},[1555,2079,1995],{"class":1569},[1555,2081,1797],{"class":1573},[1555,2083,2038],{"class":1569},[1555,2085,1797],{"class":1573},[1555,2087,2088],{"class":1569},"age ",[1555,2090,1574],{"class":1573},[1555,2092,2026],{"class":1629},[1555,2094,1655],{"class":1573},[1555,2096,2097],{"class":1557,"line":1636},[1555,2098,2100],{"emptyLinePlaceholder":2099},true,"\n",[1555,2102,2103],{"class":1557,"line":1647},[1555,2104,2105],{"class":1939},"// ✅ 或者用 $patch\n",[1555,2107,2109,2111,2113,2115,2117],{"class":1557,"line":2108},6,[1555,2110,1995],{"class":1569},[1555,2112,1797],{"class":1573},[1555,2114,1772],{"class":1577},[1555,2116,1581],{"class":1569},[1555,2118,1617],{"class":1573},[1555,2120,2122,2125,2127,2129,2131,2133,2135,2137,2139,2141,2143,2145,2147],{"class":1557,"line":2121},7,[1555,2123,2124],{"class":1623},"    info",[1555,2126,1605],{"class":1573},[1555,2128,2005],{"class":1573},[1555,2130,2008],{"class":1623},[1555,2132,1605],{"class":1573},[1555,2134,1825],{"class":1573},[1555,2136,1828],{"class":1587},[1555,2138,1584],{"class":1573},[1555,2140,1593],{"class":1573},[1555,2142,2021],{"class":1623},[1555,2144,1605],{"class":1573},[1555,2146,2026],{"class":1629},[1555,2148,2149],{"class":1573}," },\n",[1555,2151,2153,2155,2157],{"class":1557,"line":2152},8,[1555,2154,1650],{"class":1573},[1555,2156,1642],{"class":1569},[1555,2158,1655],{"class":1573},[1963,2160,2161],{"id":2161},"数组操作",[1530,2163,2164,2165,2168,2169,2172],{},"数组的 ",[1552,2166,2167],{},"push","、",[1552,2170,2171],{},"splice"," 等方法都能保持响应式：",[1544,2174,2176],{"className":1546,"code":2175,"language":1549,"meta":1550,"style":1550},"const list = useListStore();\n\nlist.items.push('新元素'); // ✅\nlist.items.splice(0, 1); // ✅\n",[1552,2177,2178,2194,2198,2228],{"__ignoreMap":1550},[1555,2179,2180,2182,2185,2187,2190,2192],{"class":1557,"line":1558},[1555,2181,1978],{"class":1565},[1555,2183,2184],{"class":1569}," list ",[1555,2186,1574],{"class":1573},[1555,2188,2189],{"class":1577}," useListStore",[1555,2191,1933],{"class":1569},[1555,2193,1655],{"class":1573},[1555,2195,2196],{"class":1557,"line":1599},[1555,2197,2100],{"emptyLinePlaceholder":2099},[1555,2199,2200,2203,2205,2208,2210,2212,2214,2216,2219,2221,2223,2225],{"class":1557,"line":1620},[1555,2201,2202],{"class":1569},"list",[1555,2204,1797],{"class":1573},[1555,2206,2207],{"class":1569},"items",[1555,2209,1797],{"class":1573},[1555,2211,2167],{"class":1577},[1555,2213,1581],{"class":1569},[1555,2215,1584],{"class":1573},[1555,2217,2218],{"class":1587},"新元素",[1555,2220,1584],{"class":1573},[1555,2222,1642],{"class":1569},[1555,2224,1936],{"class":1573},[1555,2226,2227],{"class":1939}," // ✅\n",[1555,2229,2230,2232,2234,2236,2238,2240,2242,2245,2247,2250,2252,2254],{"class":1557,"line":1636},[1555,2231,2202],{"class":1569},[1555,2233,1797],{"class":1573},[1555,2235,2207],{"class":1569},[1555,2237,1797],{"class":1573},[1555,2239,2171],{"class":1577},[1555,2241,1581],{"class":1569},[1555,2243,2244],{"class":1629},"0",[1555,2246,1593],{"class":1573},[1555,2248,2249],{"class":1629}," 1",[1555,2251,1642],{"class":1569},[1555,2253,1936],{"class":1573},[1555,2255,2227],{"class":1939},[1530,2257,2258],{},"但下面这种直接通过索引替换整个对象要小心：",[1544,2260,2262],{"className":1546,"code":2261,"language":1549,"meta":1550,"style":1550},"list.items[0] = { id: 2, name: '新' }; // ⚠️ 可能不触发更新\n",[1552,2263,2264],{"__ignoreMap":1550},[1555,2265,2266,2268,2270,2273,2275,2278,2280,2282,2285,2287,2290,2292,2294,2296,2298,2301,2303,2305],{"class":1557,"line":1558},[1555,2267,2202],{"class":1569},[1555,2269,1797],{"class":1573},[1555,2271,2272],{"class":1569},"items[",[1555,2274,2244],{"class":1629},[1555,2276,2277],{"class":1569},"] ",[1555,2279,1574],{"class":1573},[1555,2281,2005],{"class":1573},[1555,2283,2284],{"class":1623}," id",[1555,2286,1605],{"class":1573},[1555,2288,2289],{"class":1629}," 2",[1555,2291,1593],{"class":1573},[1555,2293,2008],{"class":1623},[1555,2295,1605],{"class":1573},[1555,2297,1825],{"class":1573},[1555,2299,2300],{"class":1587},"新",[1555,2302,1584],{"class":1573},[1555,2304,2029],{"class":1573},[1555,2306,2307],{"class":1939}," // ⚠️ 可能不触发更新\n",[1530,2309,2310],{},"更安全的写法：",[1544,2312,2314],{"className":1546,"code":2313,"language":1549,"meta":1550,"style":1550},"list.$patch((state) => {\n    state.items[0] = { id: 2, name: '新' };\n});\n",[1552,2315,2316,2336,2376],{"__ignoreMap":1550},[1555,2317,2318,2320,2322,2324,2326,2328,2330,2332,2334],{"class":1557,"line":1558},[1555,2319,2202],{"class":1569},[1555,2321,1797],{"class":1573},[1555,2323,1772],{"class":1577},[1555,2325,1581],{"class":1569},[1555,2327,1581],{"class":1573},[1555,2329,1866],{"class":1865},[1555,2331,1642],{"class":1573},[1555,2333,1611],{"class":1565},[1555,2335,1596],{"class":1573},[1555,2337,2338,2340,2342,2344,2347,2349,2351,2353,2355,2357,2359,2361,2363,2365,2367,2369,2371,2373],{"class":1557,"line":1599},[1555,2339,1602],{"class":1569},[1555,2341,1797],{"class":1573},[1555,2343,2207],{"class":1569},[1555,2345,2346],{"class":1623},"[",[1555,2348,2244],{"class":1629},[1555,2350,2277],{"class":1623},[1555,2352,1574],{"class":1573},[1555,2354,2005],{"class":1573},[1555,2356,2284],{"class":1623},[1555,2358,1605],{"class":1573},[1555,2360,2289],{"class":1629},[1555,2362,1593],{"class":1573},[1555,2364,2008],{"class":1623},[1555,2366,1605],{"class":1573},[1555,2368,1825],{"class":1573},[1555,2370,2300],{"class":1587},[1555,2372,1584],{"class":1573},[1555,2374,2375],{"class":1573}," };\n",[1555,2377,2378,2380,2382],{"class":1557,"line":1620},[1555,2379,1650],{"class":1573},[1555,2381,1642],{"class":1569},[1555,2383,1655],{"class":1573},[1942,2385,2386],{},[1530,2387,2388,2389,2391],{},"Pinia 的 state 虽然响应式，但 JavaScript 对象和数组的某些赋值方式会让响应式追踪失效。遇到不确定的写法，优先用 ",[1552,2390,1772],{},"。",[1534,2393],{},[1525,2395,2397],{"id":2396},"三种修改方式怎么选","💡 三种修改方式怎么选",[2399,2400,2401,2417],"table",{},[2402,2403,2404],"thead",{},[2405,2406,2407,2411,2414],"tr",{},[2408,2409,2410],"th",{},"方式",[2408,2412,2413],{},"适用场景",[2408,2415,2416],{},"例子",[2418,2419,2420,2433,2447],"tbody",{},[2405,2421,2422,2426,2429],{},[2423,2424,2425],"td",{},"直接修改",[2423,2427,2428],{},"单个字段简单赋值",[2423,2430,2431],{},[1552,2432,1714],{},[2405,2434,2435,2439,2442],{},[2423,2436,2437],{},[1552,2438,1772],{},[2423,2440,2441],{},"批量修改、复杂对象/数组操作",[2423,2443,2444],{},[1552,2445,2446],{},"counter.$patch({...})",[2405,2448,2449,2452,2455],{},[2423,2450,2451],{},"action",[2423,2453,2454],{},"复杂业务逻辑、多处复用",[2423,2456,2457],{},[1552,2458,2459],{},"counter.add()",[1534,2461],{},[1525,2463,2465],{"id":2464},"小节总结","🧾 小节总结",[2467,2468,2469,2473,2478,2483],"ul",{},[2470,2471,2472],"li",{},"Pinia 支持直接修改 state，适合简单场景。",[2470,2474,2475,2477],{},[1552,2476,1772],{}," 适合批量修改和复杂对象/数组操作。",[2470,2479,2480,2482],{},[1552,2481,1916],{}," 可以把 state 恢复到初始值。",[2470,2484,2485,2486,2488],{},"替换整个对象引用可能导致响应式丢失，建议用 ",[1552,2487,1772],{}," 或逐个修改属性。",[1534,2490],{},[1525,2492,2494],{"id":2493},"知识问答","❓ 知识问答",[1530,2496,2497],{},[2498,2499,2500,2501,2503],"strong",{},"Q1：直接修改和 ",[1552,2502,1772],{}," 哪个更好？",[1530,2505,2506,2507,2509],{},"没有绝对好坏。单个字段用直接修改更简洁，多个字段或复杂操作用 ",[1552,2508,1772],{}," 更清晰。",[1530,2511,2512],{},[2498,2513,2514,2515,2517],{},"Q2：",[1552,2516,1916],{}," 能重置 action 里修改过的状态吗？",[1530,2519,2520,2521,2523,2524,2526],{},"能。",[1552,2522,1916],{}," 只认 ",[1552,2525,1912],{}," 函数返回的初始值，不管中间被什么方式修改过。",[1530,2528,2529],{},[2498,2530,2531],{},"Q3：为什么替换整个对象会丢失响应式？",[1530,2533,2534],{},"因为响应式系统追踪的是对象引用。你把引用换成一个新的普通对象，原来的响应式代理就断开了。",[1530,2536,2537],{},[2498,2538,2539],{},"Q4：数组通过索引赋值一定失效吗？",[1530,2541,2542,2543,2545,2546,2545,2548,2550],{},"不一定，但行为不如 ",[1552,2544,2167],{},"/",[1552,2547,2171],{},[1552,2549,1772],{}," 可靠。为了避免踩坑，建议用稳妥的写法。",[1534,2552],{},[1525,2554,2556],{"id":2555},"小练习","🧪 小练习",[1530,2558,2559,2560,2563],{},"补全下面的 ",[1552,2561,2562],{},"usePointStore","，实现：",[2565,2566,2567,2575,2587,2593],"ol",{},[2470,2568,2569,2572,2573,2391],{},[1552,2570,2571],{},"points"," 初始为 ",[1552,2574,2244],{},[2470,2576,2577,2580,2581,2583,2584,2391],{},[1552,2578,2579],{},"add(n)"," action 给 ",[1552,2582,2571],{}," 加 ",[1552,2585,2586],{},"n",[2470,2588,2589,2592],{},[1552,2590,2591],{},"consume(n)"," action 消费积分，积分不足时不扣减。",[2470,2594,2595,2598,2599,2391],{},[1552,2596,2597],{},"reset()"," action 把积分重置为 ",[1552,2600,2244],{},[1544,2602,2605],{"className":1546,"code":2603,"filename":2604,"language":1549,"meta":1550,"style":1550},"import { defineStore } from 'pinia';\n\nexport const usePointStore = defineStore('point', {\n    state: () => ({\n        points: 0,\n    }),\n    actions: {\n        // 请在这里编写代码\n    },\n});\n","stores/point.js",[1552,2606,2607,2631,2635,2661,2675,2686,2694,2703,2708,2714],{"__ignoreMap":1550},[1555,2608,2609,2612,2614,2616,2619,2622,2624,2627,2629],{"class":1557,"line":1558},[1555,2610,2611],{"class":1561},"import",[1555,2613,2005],{"class":1573},[1555,2615,1578],{"class":1569},[1555,2617,2618],{"class":1573}," }",[1555,2620,2621],{"class":1561}," from",[1555,2623,1825],{"class":1573},[1555,2625,2626],{"class":1587},"pinia",[1555,2628,1584],{"class":1573},[1555,2630,1655],{"class":1573},[1555,2632,2633],{"class":1557,"line":1599},[1555,2634,2100],{"emptyLinePlaceholder":2099},[1555,2636,2637,2639,2641,2644,2646,2648,2650,2652,2655,2657,2659],{"class":1557,"line":1620},[1555,2638,1562],{"class":1561},[1555,2640,1566],{"class":1565},[1555,2642,2643],{"class":1569}," usePointStore ",[1555,2645,1574],{"class":1573},[1555,2647,1578],{"class":1577},[1555,2649,1581],{"class":1569},[1555,2651,1584],{"class":1573},[1555,2653,2654],{"class":1587},"point",[1555,2656,1584],{"class":1573},[1555,2658,1593],{"class":1573},[1555,2660,1596],{"class":1573},[1555,2662,2663,2665,2667,2669,2671,2673],{"class":1557,"line":1636},[1555,2664,1602],{"class":1577},[1555,2666,1605],{"class":1573},[1555,2668,1608],{"class":1573},[1555,2670,1611],{"class":1565},[1555,2672,1614],{"class":1569},[1555,2674,1617],{"class":1573},[1555,2676,2677,2680,2682,2684],{"class":1557,"line":1647},[1555,2678,2679],{"class":1623},"        points",[1555,2681,1605],{"class":1573},[1555,2683,1630],{"class":1629},[1555,2685,1633],{"class":1573},[1555,2687,2688,2690,2692],{"class":1557,"line":2108},[1555,2689,1639],{"class":1573},[1555,2691,1642],{"class":1569},[1555,2693,1633],{"class":1573},[1555,2695,2696,2699,2701],{"class":1557,"line":2121},[1555,2697,2698],{"class":1623},"    actions",[1555,2700,1605],{"class":1573},[1555,2702,1596],{"class":1573},[1555,2704,2705],{"class":1557,"line":2152},[1555,2706,2707],{"class":1939},"        // 请在这里编写代码\n",[1555,2709,2711],{"class":1557,"line":2710},9,[1555,2712,2713],{"class":1573},"    },\n",[1555,2715,2717,2719,2721],{"class":1557,"line":2716},10,[1555,2718,1650],{"class":1573},[1555,2720,1642],{"class":1569},[1555,2722,1655],{"class":1573},[1534,2724],{},[1530,2726,2727],{},"🎉 恭喜你掌握了 state 修改的各种方式！下一篇我们学习 actions 中处理异步请求。",[2729,2730,2731],"style",{},"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 .s50WR, html code.shiki .s50WR{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sndM8, html code.shiki .sndM8{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code 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的修改方式，包括直接修改、$patch、$reset，以及响应式数组和对象的注意事项。","md",null,{},{"title":720},{"title":720,"description":2746},"PdRxWKK1mG",[2754,2756],{"title":716,"path":717,"stem":718,"description":2755,"children":-1},"掌握在 Vue 组件中读取 Pinia 状态、调用 actions、使用 getters 的正确方式，以及 storeToRefs 的使用场景。",{"title":724,"path":725,"stem":726,"description":2757,"children":-1},"掌握在 Pinia actions 中处理异步请求、调用其他 action、管理加载状态等实战技巧。",1784715110846]