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require",[1566,1779,1780],{"class":1596},"(",[1566,1782,1650],{"class":1572},[1566,1784,1785],{"class":1646},"egg",[1566,1787,1650],{"class":1572},[1566,1789,1790],{"class":1596},")",[1566,1792,1653],{"class":1572},[1566,1794,1795],{"class":1568,"line":1590},[1566,1796,1609],{"emptyLinePlaceholder":1608},[1566,1798,1799,1802,1806,1809,1812],{"class":1568,"line":1605},[1566,1800,1801],{"class":1583},"class",[1566,1803,1805],{"class":1804},"sYGMc"," HomeController",[1566,1807,1808],{"class":1583}," extends",[1566,1810,1811],{"class":1804}," Controller",[1566,1813,1587],{"class":1572},[1566,1815,1816,1819,1822,1825],{"class":1568,"line":1612},[1566,1817,1818],{"class":1583},"    async",[1566,1820,1821],{"class":1679}," index",[1566,1823,1824],{"class":1572},"()",[1566,1826,1587],{"class":1572},[1566,1828,1829,1832,1834,1837,1840,1842],{"class":1568,"line":1619},[1566,1830,1831],{"class":1583},"        const",[1566,1833,1765],{"class":1572},[1566,1835,1836],{"class":1596}," ctx",[1566,1838,1839],{"class":1572}," }",[1566,1841,1576],{"class":1572},[1566,1843,1844],{"class":1572}," this;\n",[1566,1846,1847,1850,1852,1855,1857,1860,1862,1864,1866],{"class":1568,"line":1656},[1566,1848,1849],{"class":1596},"        ctx",[1566,1851,1625],{"class":1572},[1566,1853,1854],{"class":1596},"body",[1566,1856,1576],{"class":1572},[1566,1858,1859],{"class":1572}," this.",[1566,1861,1550],{"class":1596},[1566,1863,1625],{"class":1572},[1566,1865,1703],{"class":1596},[1566,1867,1653],{"class":1572},[1566,1869,1870],{"class":1568,"line":1661},[1566,1871,1872],{"class":1572},"    }\n",[1566,1874,1875],{"class":1568,"line":1667},[1566,1876,1877],{"class":1572},"}\n",[1566,1879,1880],{"class":1568,"line":1685},[1566,1881,1609],{"emptyLinePlaceholder":1608},[1566,1883,1884,1886,1888,1890],{"class":1568,"line":1690},[1566,1885,1573],{"class":1572},[1566,1887,1576],{"class":1572},[1566,1889,1805],{"class":1596},[1566,1891,1653],{"class":1572},[1539,1893],{},[1525,1895,1897],{"id":1896},"按环境区分配置","🧱 按环境区分配置",[1530,1899,1900,1901,1903],{},"开发环境和线上环境的配置往往不同，比如端口、日志级别。Egg 的做法是：在 ",[1534,1902,1536],{}," 的基础上，再提供环境专属文件做覆盖：",[1556,1905,1909],{"className":1906,"code":1907,"language":1908,"meta":1562,"style":1562},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","config\n├── config.default.js   # 所有环境共享的默认配置\n└── config.prod.js      # 生产环境的覆盖配置\n","bash",[1534,1910,1911,1916,1927],{"__ignoreMap":1562},[1566,1912,1913],{"class":1568,"line":1569},[1566,1914,1915],{"class":1804},"config\n",[1566,1917,1918,1921,1924],{"class":1568,"line":1590},[1566,1919,1920],{"class":1804},"├──",[1566,1922,1923],{"class":1646}," config.default.js",[1566,1925,1926],{"class":1615},"   # 所有环境共享的默认配置\n",[1566,1928,1929,1932,1935],{"class":1568,"line":1605},[1566,1930,1931],{"class":1804},"└──",[1566,1933,1934],{"class":1646}," config.prod.js",[1566,1936,1937],{"class":1615},"      # 生产环境的覆盖配置\n",[1556,1939,1942],{"className":1558,"code":1940,"filename":1941,"language":1561,"meta":1562,"style":1562},"module.exports = () => {\n    const config = {};\n\n    // 只在生产环境生效的配置\n    config.logger = {\n        level: 'WARN',\n    };\n\n    return config;\n};\n","config/config.prod.js",[1534,1943,1944,1957,1967,1971,1976,1989,2007,2012,2016,2024],{"__ignoreMap":1562},[1566,1945,1946,1948,1950,1953,1955],{"class":1568,"line":1569},[1566,1947,1573],{"class":1572},[1566,1949,1576],{"class":1572},[1566,1951,1952],{"class":1572}," ()",[1566,1954,1584],{"class":1583},[1566,1956,1587],{"class":1572},[1566,1958,1959,1961,1963,1965],{"class":1568,"line":1590},[1566,1960,1593],{"class":1583},[1566,1962,1597],{"class":1596},[1566,1964,1576],{"class":1572},[1566,1966,1602],{"class":1572},[1566,1968,1969],{"class":1568,"line":1605},[1566,1970,1609],{"emptyLinePlaceholder":1608},[1566,1972,1973],{"class":1568,"line":1612},[1566,1974,1975],{"class":1615},"    // 只在生产环境生效的配置\n",[1566,1977,1978,1980,1982,1985,1987],{"class":1568,"line":1619},[1566,1979,1622],{"class":1596},[1566,1981,1625],{"class":1572},[1566,1983,1984],{"class":1596},"logger",[1566,1986,1576],{"class":1572},[1566,1988,1587],{"class":1572},[1566,1990,1991,1994,1997,1999,2002,2004],{"class":1568,"line":1656},[1566,1992,1993],{"class":1679},"        level",[1566,1995,1996],{"class":1572},":",[1566,1998,1643],{"class":1572},[1566,2000,2001],{"class":1646},"WARN",[1566,2003,1650],{"class":1572},[1566,2005,2006],{"class":1572},",\n",[1566,2008,2009],{"class":1568,"line":1661},[1566,2010,2011],{"class":1572},"    };\n",[1566,2013,2014],{"class":1568,"line":1667},[1566,2015,1609],{"emptyLinePlaceholder":1608},[1566,2017,2018,2020,2022],{"class":1568,"line":1685},[1566,2019,1726],{"class":1725},[1566,2021,1597],{"class":1596},[1566,2023,1653],{"class":1572},[1566,2025,2026],{"class":1568,"line":1690},[1566,2027,1736],{"class":1572},[1530,2029,2030,2031,2033],{},"Egg 启动时会根据运行环境自动合并：同名配置项，环境文件里的值覆盖默认值。学习阶段了解这个机制即可，日常开发只改 ",[1534,2032,1536],{}," 就够了。",[1539,2035],{},[1525,2037,2039],{"id":2038},"中间件是什么","🧱 中间件是什么",[1530,2041,2042],{},"中间件是请求处理链条上的一环，可以在 Controller 执行前后插入通用逻辑，比如记录日志、统计耗时、统一处理错误。",[1530,2044,2045,2046,2050],{},"Koa 课程学过的",[2047,2048,2049],"strong",{},"洋葱模型","在这里完全适用：请求像剥洋葱一样穿过一层层中间件到达 Controller，响应再沿原路穿回来。Egg 的中间件写法和 Koa 一脉相承，只是多了约定的存放位置。",[1539,2052],{},[1525,2054,2056],{"id":2055},"编写自定义中间件","🛠 编写自定义中间件",[1530,2058,2059,2060,2063,2064,2067],{},"约定：自定义中间件放在 ",[1534,2061,2062],{},"app/middleware"," 目录下。我们来写一个统计请求耗时的 ",[1534,2065,2066],{},"response_time.js","：",[1556,2069,2072],{"className":1558,"code":2070,"filename":2071,"language":1561,"meta":1562,"style":1562},"// options 是配置项，app 是应用实例\nmodule.exports = (options, app) => {\n    return async function responseTime(ctx, next) {\n        const start = Date.now();\n\n        // await next() 之前的代码在请求进入时执行\n        await next();\n        // await next() 之后的代码在响应返回时执行\n\n        const cost = Date.now() - start;\n        if (cost > options.limit) {\n            console.log(`慢请求：${ctx.method} ${ctx.url} 耗时 ${cost}ms`);\n        }\n    };\n};\n","app/middleware/response_time.js",[1534,2073,2074,2079,2103,2130,2151,2155,2160,2171,2176,2180,2205,2232,2292,2297,2301],{"__ignoreMap":1562},[1566,2075,2076],{"class":1568,"line":1569},[1566,2077,2078],{"class":1615},"// options 是配置项，app 是应用实例\n",[1566,2080,2081,2083,2085,2088,2091,2094,2097,2099,2101],{"class":1568,"line":1590},[1566,2082,1573],{"class":1572},[1566,2084,1576],{"class":1572},[1566,2086,2087],{"class":1572}," (",[1566,2089,2090],{"class":1579},"options",[1566,2092,2093],{"class":1572},",",[1566,2095,2096],{"class":1579}," app",[1566,2098,1790],{"class":1572},[1566,2100,1584],{"class":1583},[1566,2102,1587],{"class":1572},[1566,2104,2105,2107,2110,2113,2116,2118,2121,2123,2126,2128],{"class":1568,"line":1605},[1566,2106,1726],{"class":1725},[1566,2108,2109],{"class":1583}," async",[1566,2111,2112],{"class":1583}," function",[1566,2114,2115],{"class":1776}," responseTime",[1566,2117,1780],{"class":1572},[1566,2119,2120],{"class":1579},"ctx",[1566,2122,2093],{"class":1572},[1566,2124,2125],{"class":1579}," next",[1566,2127,1790],{"class":1572},[1566,2129,1587],{"class":1572},[1566,2131,2132,2134,2137,2139,2142,2144,2147,2149],{"class":1568,"line":1612},[1566,2133,1831],{"class":1583},[1566,2135,2136],{"class":1596}," start",[1566,2138,1576],{"class":1572},[1566,2140,2141],{"class":1596}," Date",[1566,2143,1625],{"class":1572},[1566,2145,2146],{"class":1776},"now",[1566,2148,1824],{"class":1679},[1566,2150,1653],{"class":1572},[1566,2152,2153],{"class":1568,"line":1619},[1566,2154,1609],{"emptyLinePlaceholder":1608},[1566,2156,2157],{"class":1568,"line":1656},[1566,2158,2159],{"class":1615},"        // await next() 之前的代码在请求进入时执行\n",[1566,2161,2162,2165,2167,2169],{"class":1568,"line":1661},[1566,2163,2164],{"class":1725},"        await",[1566,2166,2125],{"class":1776},[1566,2168,1824],{"class":1679},[1566,2170,1653],{"class":1572},[1566,2172,2173],{"class":1568,"line":1667},[1566,2174,2175],{"class":1615},"        // await next() 之后的代码在响应返回时执行\n",[1566,2177,2178],{"class":1568,"line":1685},[1566,2179,1609],{"emptyLinePlaceholder":1608},[1566,2181,2182,2184,2187,2189,2191,2193,2195,2198,2201,2203],{"class":1568,"line":1690},[1566,2183,1831],{"class":1583},[1566,2185,2186],{"class":1596}," cost",[1566,2188,1576],{"class":1572},[1566,2190,2141],{"class":1596},[1566,2192,1625],{"class":1572},[1566,2194,2146],{"class":1776},[1566,2196,2197],{"class":1679},"() ",[1566,2199,2200],{"class":1572},"-",[1566,2202,2136],{"class":1596},[1566,2204,1653],{"class":1572},[1566,2206,2207,2210,2212,2215,2218,2221,2223,2226,2229],{"class":1568,"line":1696},[1566,2208,2209],{"class":1725},"        if",[1566,2211,2087],{"class":1679},[1566,2213,2214],{"class":1596},"cost",[1566,2216,2217],{"class":1572}," >",[1566,2219,2220],{"class":1596}," options",[1566,2222,1625],{"class":1572},[1566,2224,2225],{"class":1596},"limit",[1566,2227,2228],{"class":1679},") ",[1566,2230,2231],{"class":1572},"{\n",[1566,2233,2234,2237,2239,2242,2244,2247,2250,2253,2255,2257,2260,2262,2265,2267,2269,2272,2274,2277,2279,2281,2283,2286,2288,2290],{"class":1568,"line":1717},[1566,2235,2236],{"class":1596},"            console",[1566,2238,1625],{"class":1572},[1566,2240,2241],{"class":1776},"log",[1566,2243,1780],{"class":1679},[1566,2245,2246],{"class":1572},"`",[1566,2248,2249],{"class":1646},"慢请求：",[1566,2251,2252],{"class":1572},"${",[1566,2254,2120],{"class":1596},[1566,2256,1625],{"class":1572},[1566,2258,2259],{"class":1596},"method",[1566,2261,1771],{"class":1572},[1566,2263,2264],{"class":1572}," ${",[1566,2266,2120],{"class":1596},[1566,2268,1625],{"class":1572},[1566,2270,2271],{"class":1596},"url",[1566,2273,1771],{"class":1572},[1566,2275,2276],{"class":1646}," 耗时 ",[1566,2278,2252],{"class":1572},[1566,2280,2214],{"class":1596},[1566,2282,1771],{"class":1572},[1566,2284,2285],{"class":1646},"ms",[1566,2287,2246],{"class":1572},[1566,2289,1790],{"class":1679},[1566,2291,1653],{"class":1572},[1566,2293,2294],{"class":1568,"line":1722},[1566,2295,2296],{"class":1572},"        }\n",[1566,2298,2299],{"class":1568,"line":1733},[1566,2300,2011],{"class":1572},[1566,2302,2304],{"class":1568,"line":2303},15,[1566,2305,1736],{"class":1572},[1530,2307,2308,2309,2312],{},"结构是固定的两层函数：外层接收配置和应用实例，内层就是标准的中间件函数。以 ",[1534,2310,2311],{},"await next()"," 为分界线，可以分别在请求阶段和响应阶段插入逻辑。",[1539,2314],{},[1525,2316,2318],{"id":2317},"挂载中间件并配置-options","🛠 挂载中间件并配置 options",[1530,2320,2321,2322,2324],{},"光写好文件还不生效，要在 ",[1534,2323,1536],{}," 中挂载：",[1556,2326,2328],{"className":1558,"code":2327,"filename":1560,"language":1561,"meta":1562,"style":1562},"module.exports = appInfo => {\n    const config = {};\n\n    config.keys = appInfo.name + '_my_secret_key';\n\n    // 挂载中间件：文件名 response_time.js 对应驼峰名 responseTime\n    config.middleware = ['responseTime'];\n\n    // 中间件的配置项：以中间件名为 key，会作为 options 传入\n    config.responseTime = {\n        limit: 10,\n    };\n\n    return config;\n};\n",[1534,2329,2330,2342,2352,2356,2382,2386,2391,2416,2420,2425,2437,2450,2454,2458,2466],{"__ignoreMap":1562},[1566,2331,2332,2334,2336,2338,2340],{"class":1568,"line":1569},[1566,2333,1573],{"class":1572},[1566,2335,1576],{"class":1572},[1566,2337,1580],{"class":1579},[1566,2339,1584],{"class":1583},[1566,2341,1587],{"class":1572},[1566,2343,2344,2346,2348,2350],{"class":1568,"line":1590},[1566,2345,1593],{"class":1583},[1566,2347,1597],{"class":1596},[1566,2349,1576],{"class":1572},[1566,2351,1602],{"class":1572},[1566,2353,2354],{"class":1568,"line":1605},[1566,2355,1609],{"emptyLinePlaceholder":1608},[1566,2357,2358,2360,2362,2364,2366,2368,2370,2372,2374,2376,2378,2380],{"class":1568,"line":1612},[1566,2359,1622],{"class":1596},[1566,2361,1625],{"class":1572},[1566,2363,1628],{"class":1596},[1566,2365,1576],{"class":1572},[1566,2367,1580],{"class":1596},[1566,2369,1625],{"class":1572},[1566,2371,1637],{"class":1596},[1566,2373,1640],{"class":1572},[1566,2375,1643],{"class":1572},[1566,2377,1647],{"class":1646},[1566,2379,1650],{"class":1572},[1566,2381,1653],{"class":1572},[1566,2383,2384],{"class":1568,"line":1619},[1566,2385,1609],{"emptyLinePlaceholder":1608},[1566,2387,2388],{"class":1568,"line":1656},[1566,2389,2390],{"class":1615},"    // 挂载中间件：文件名 response_time.js 对应驼峰名 responseTime\n",[1566,2392,2393,2395,2397,2399,2401,2404,2406,2409,2411,2414],{"class":1568,"line":1661},[1566,2394,1622],{"class":1596},[1566,2396,1625],{"class":1572},[1566,2398,1674],{"class":1596},[1566,2400,1576],{"class":1572},[1566,2402,2403],{"class":1679}," [",[1566,2405,1650],{"class":1572},[1566,2407,2408],{"class":1646},"responseTime",[1566,2410,1650],{"class":1572},[1566,2412,2413],{"class":1679},"]",[1566,2415,1653],{"class":1572},[1566,2417,2418],{"class":1568,"line":1667},[1566,2419,1609],{"emptyLinePlaceholder":1608},[1566,2421,2422],{"class":1568,"line":1685},[1566,2423,2424],{"class":1615},"    // 中间件的配置项：以中间件名为 key，会作为 options 传入\n",[1566,2426,2427,2429,2431,2433,2435],{"class":1568,"line":1690},[1566,2428,1622],{"class":1596},[1566,2430,1625],{"class":1572},[1566,2432,2408],{"class":1596},[1566,2434,1576],{"class":1572},[1566,2436,1587],{"class":1572},[1566,2438,2439,2442,2444,2448],{"class":1568,"line":1696},[1566,2440,2441],{"class":1679},"        limit",[1566,2443,1996],{"class":1572},[1566,2445,2447],{"class":2446},"smPcV"," 10",[1566,2449,2006],{"class":1572},[1566,2451,2452],{"class":1568,"line":1717},[1566,2453,2011],{"class":1572},[1566,2455,2456],{"class":1568,"line":1722},[1566,2457,1609],{"emptyLinePlaceholder":1608},[1566,2459,2460,2462,2464],{"class":1568,"line":1733},[1566,2461,1726],{"class":1725},[1566,2463,1597],{"class":1596},[1566,2465,1653],{"class":1572},[1566,2467,2468],{"class":1568,"line":2303},[1566,2469,1736],{"class":1572},[1530,2471,2472],{},"保存后随便访问几个接口，终端就会打印出耗时超过 10ms 的请求：",[1556,2474,2476],{"className":1906,"code":2475,"language":1908,"meta":1562,"style":1562},"慢请求：GET /users 耗时 25ms\n",[1534,2477,2478],{"__ignoreMap":1562},[1566,2479,2480,2483,2486,2489],{"class":1568,"line":1569},[1566,2481,2482],{"class":1804},"慢请求：GET",[1566,2484,2485],{"class":1646}," /users",[1566,2487,2488],{"class":1646}," 耗时",[1566,2490,2491],{"class":1646}," 25ms\n",[2493,2494,2495],"tip",{},[1530,2496,2497,2498,2500,2501,2503],{},"文件名下划线命名（",[1534,2499,2066],{},"）会自动转换成驼峰名（",[1534,2502,2408],{},"），挂载和配置时都用驼峰名。这是 Egg 的统一约定。",[1539,2505],{},[1525,2507,2509],{"id":2508},"️-内置安全与-csrf-校验","⚠️ 内置安全与 csrf 校验",[1530,2511,2512,2513,2516],{},"Egg 内置了 egg-security 安全插件，默认开启多种防护，其中和我们调试接口直接相关的是 ",[2047,2514,2515],{},"csrf 校验","。",[1530,2518,2519,2520,2523],{},"它默认要求 POST、PUT、DELETE 等请求携带 csrf token，防止跨站请求伪造攻击。所以你在学习阶段直接用 curl 或接口工具发 POST 请求，很可能会收到 ",[1534,2521,2522],{},"403 missing csrf token"," 的报错。",[1530,2525,2526],{},"学习阶段可以在配置中临时关闭它，方便调试：",[1556,2528,2530],{"className":1558,"code":2529,"filename":1560,"language":1561,"meta":1562,"style":1562},"config.security = {\n    csrf: {\n        enable: false,\n    },\n};\n",[1534,2531,2532,2546,2555,2568,2573],{"__ignoreMap":1562},[1566,2533,2534,2536,2538,2541,2544],{"class":1568,"line":1569},[1566,2535,1550],{"class":1596},[1566,2537,1625],{"class":1572},[1566,2539,2540],{"class":1596},"security ",[1566,2542,2543],{"class":1572},"=",[1566,2545,1587],{"class":1572},[1566,2547,2548,2551,2553],{"class":1568,"line":1590},[1566,2549,2550],{"class":1679},"    csrf",[1566,2552,1996],{"class":1572},[1566,2554,1587],{"class":1572},[1566,2556,2557,2560,2562,2566],{"class":1568,"line":1605},[1566,2558,2559],{"class":1679},"        enable",[1566,2561,1996],{"class":1572},[1566,2563,2565],{"class":2564},"sPKOg"," false",[1566,2567,2006],{"class":1572},[1566,2569,2570],{"class":1568,"line":1612},[1566,2571,2572],{"class":1572},"    },\n",[1566,2574,2575],{"class":1568,"line":1619},[1566,2576,1736],{"class":1572},[2578,2579,2580],"warning",{},[1530,2581,2582],{},"关闭 csrf 只适合本地学习调试。真实项目上线前必须把它打开，并按照官方文档让前端请求带上 token，否则网站会暴露在跨站请求伪造的攻击风险之下。",[1539,2584],{},[1525,2586,2588],{"id":2587},"小节总结","🧾 小节总结",[2590,2591,2592,2601,2607,2616,2623],"ul",{},[2593,2594,2595,2597,2598,2600],"li",{},[1534,2596,1536],{}," 导出函数返回配置对象，自定义配置通过 ",[1534,2599,1746],{}," 读取。",[2593,2602,2603,2606],{},[1534,2604,2605],{},"config.prod.js"," 等环境文件会在对应环境覆盖默认配置。",[2593,2608,2609,2610,2612,2613,2615],{},"自定义中间件放在 ",[1534,2611,2062],{}," 下，两层函数结构，用 ",[1534,2614,2311],{}," 划分请求和响应阶段。",[2593,2617,2618,2619,2622],{},"挂载用 ",[1534,2620,2621],{},"config.middleware = ['responseTime']","，配置项用同名 key（驼峰）传入，文件名用下划线。",[2593,2624,2625],{},"Egg 默认开启 csrf 校验，学习调试可临时关闭，生产环境必须开启。",[1539,2627],{},[1525,2629,2631],{"id":2630},"知识问答","❓ 知识问答",[1530,2633,2634],{},[2047,2635,2636],{},"Q1：config.default.js 为什么要导出一个函数？",[1530,2638,2639,2640,2642,2643,2646],{},"导出函数能拿到 ",[1534,2641,1742],{},"（应用名、环境等信息），方便在配置里动态取值，比如用应用名拼接 ",[1534,2644,2645],{},"config.keys","。直接导出对象也可以，但函数形式更灵活。",[1530,2648,2649],{},[2047,2650,2651],{},"Q2：中间件的执行顺序是怎样的？",[1530,2653,2654,2655,2658],{},"按 ",[1534,2656,2657],{},"config.middleware"," 数组里的顺序执行，越靠前越先进入、越后返回，符合洋葱模型。框架内置的中间件（如 bodyParser）排在自定义中间件之前。",[1530,2660,2661],{},[2047,2662,2663],{},"Q3：只想让中间件对部分路径生效怎么办？",[1530,2665,2666,2667,1747,2670,2673,2674,2677,2678,2681],{},"给配置项加 ",[1534,2668,2669],{},"match",[1534,2671,2672],{},"ignore","，例如 ",[1534,2675,2676],{},"config.responseTime = { match: '/api', limit: 10 }","，就只对 ",[1534,2679,2680],{},"/api"," 开头的路径生效。",[1530,2683,2684],{},[2047,2685,2686],{},"Q4：关了 csrf 后还有哪些常见的安全默认行为？",[1530,2688,2689],{},"还有 XSS 过滤、响应头防护等。这些都是框架替我们把好的安全关，初学阶段保持默认即可，不要随便关闭。",[1539,2691],{},[1525,2693,2695],{"id":2694},"小练习","🧪 小练习",[1530,2697,2698,2699,2702,2703,2706],{},"编写一个 ",[1534,2700,2701],{},"request_log"," 中间件，在每次请求结束时打印一行日志，格式为 ",[1534,2704,2705],{},"GET /users -> 200","（方法、路径、状态码），并挂载到应用中。",[1556,2708,2711],{"className":1558,"code":2709,"filename":2710,"language":1561,"meta":1562,"style":1562},"module.exports = (options, app) => {\n    return async function requestLog(ctx, next) {\n        // 请在这里编写代码\n    };\n};\n","app/middleware/request_log.js",[1534,2712,2713,2733,2756,2761,2765],{"__ignoreMap":1562},[1566,2714,2715,2717,2719,2721,2723,2725,2727,2729,2731],{"class":1568,"line":1569},[1566,2716,1573],{"class":1572},[1566,2718,1576],{"class":1572},[1566,2720,2087],{"class":1572},[1566,2722,2090],{"class":1579},[1566,2724,2093],{"class":1572},[1566,2726,2096],{"class":1579},[1566,2728,1790],{"class":1572},[1566,2730,1584],{"class":1583},[1566,2732,1587],{"class":1572},[1566,2734,2735,2737,2739,2741,2744,2746,2748,2750,2752,2754],{"class":1568,"line":1590},[1566,2736,1726],{"class":1725},[1566,2738,2109],{"class":1583},[1566,2740,2112],{"class":1583},[1566,2742,2743],{"class":1776}," requestLog",[1566,2745,1780],{"class":1572},[1566,2747,2120],{"class":1579},[1566,2749,2093],{"class":1572},[1566,2751,2125],{"class":1579},[1566,2753,1790],{"class":1572},[1566,2755,1587],{"class":1572},[1566,2757,2758],{"class":1568,"line":1605},[1566,2759,2760],{"class":1615},"        // 请在这里编写代码\n",[1566,2762,2763],{"class":1568,"line":1612},[1566,2764,2011],{"class":1572},[1566,2766,2767],{"class":1568,"line":1619},[1566,2768,1736],{"class":1572},[1556,2770,2772],{"className":1558,"code":2771,"filename":1560,"language":1561,"meta":1562,"style":1562},"// 请在这里挂载 requestLog 中间件\n",[1534,2773,2774],{"__ignoreMap":1562},[1566,2775,2776],{"class":1568,"line":1569},[1566,2777,2771],{"class":1615},[1539,2779],{},[1530,2781,2782],{},"🎉 恭喜你已经掌握配置与中间件的用法啦！下一篇我们学习插件与扩展，用插件为应用增加参数校验能力，再封装一个统一的响应格式。",[2784,2785,2786],"style",{},"html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}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}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 .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 .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sd2Uz, html code.shiki .sd2Uz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}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 .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 .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sYGMc, html code.shiki .sYGMc{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .smPcV, html code.shiki .smPcV{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sPKOg, html code.shiki .sPKOg{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}",{"title":1562,"searchDepth":1590,"depth":1590,"links":2788},[2789,2790,2791,2792,2793,2794,2795,2796,2797,2798],{"id":1527,"depth":1590,"text":1528},{"id":1543,"depth":1590,"text":1544},{"id":1896,"depth":1590,"text":1897},{"id":2038,"depth":1590,"text":2039},{"id":2055,"depth":1590,"text":2056},{"id":2317,"depth":1590,"text":2318},{"id":2508,"depth":1590,"text":2509},{"id":2587,"depth":1590,"text":2588},{"id":2630,"depth":1590,"text":2631},{"id":2694,"depth":1590,"text":2695},"掌握 Egg.js 的配置文件写法、环境区分方式，学会编写并挂载自定义中间件，了解内置安全机制。","md",null,{},{"title":1233},{"title":1233,"description":2799},"pP7Ca1WwFO",[2807,2809],{"title":1229,"path":1230,"stem":1231,"description":2808,"children":-1},"理解为什么要把业务逻辑拆到 Service 层，学会编写 Service 并在 Controller 中调用它。",{"title":1237,"path":1238,"stem":1239,"description":2810,"children":-1},"理解 Egg.js 的插件机制，学会安装配置 egg-validate 做参数校验，并用 extend 封装统一响应格式。",1784715110748]