地图

package-lock.json

@@ -10,10 +10,15 @@
       "dependencies": {
         "@astrojs/check": "^0.9.9",
         "astro": "^7.1.0",
+        "cn-atlas": "^0.1.2",
+        "d3-geo": "^3.1.1",
+        "topojson-client": "^3.1.0",
         "typescript": "^6.0.3"
       },
       "devDependencies": {
+        "@types/d3-geo": "^3.1.0",
         "@types/node": "^26.1.1",
+        "@types/topojson-client": "^3.1.5",
         "tsx": "^4.23.1"
       }
     },
@@ -2086,6 +2091,16 @@
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@types/d3-geo": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@types/d3-geo/-/d3-geo-3.1.0.tgz",
+      "integrity": "sha512-856sckF0oP/diXtS4jNsiQw/UuK5fQG8l/a9VVLeSouf1/PPbBE1i1W852zVwKwYCBkFJJB7nCFTbk6UMEXBOQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/geojson": "*"
+      }
+    },
     "node_modules/@types/estree": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.9.tgz",
@@ -2101,6 +2116,13 @@
         "@types/estree": "*"
       }
     },
+    "node_modules/@types/geojson": {
+      "version": "7946.0.16",
+      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.16.tgz",
+      "integrity": "sha512-6C8nqWur3j98U6+lXDfTUWIfgvZU+EumvpHKcYjujKH7woYyLj2sUmff0tRhrqM7BohUw7Pz3ZB1jj2gW9Fvmg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/hast": {
       "version": "3.0.5",
       "resolved": "https://registry.npmjs.org/@types/hast/-/hast-3.0.5.tgz",
@@ -2138,6 +2160,27 @@
         "undici-types": "~8.3.0"
       }
     },
+    "node_modules/@types/topojson-client": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/@types/topojson-client/-/topojson-client-3.1.5.tgz",
+      "integrity": "sha512-C79rySTyPxnQNNguTZNI1Ct4D7IXgvyAs3p9HPecnl6mNrJ5+UhvGNYcZfpROYV2lMHI48kJPxwR+F9C6c7nmw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/geojson": "*",
+        "@types/topojson-specification": "*"
+      }
+    },
+    "node_modules/@types/topojson-specification": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@types/topojson-specification/-/topojson-specification-1.0.5.tgz",
+      "integrity": "sha512-C7KvcQh+C2nr6Y2Ub4YfgvWvWCgP2nOQMtfhlnwsRL4pYmmwzBS7HclGiS87eQfDOU/DLQpX6GEscviaz4yLIQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/geojson": "*"
+      }
+    },
     "node_modules/@types/unist": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/unist/-/unist-3.0.3.tgz",
@@ -2553,6 +2596,12 @@
         "node": ">=6"
       }
     },
+    "node_modules/cn-atlas": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/cn-atlas/-/cn-atlas-0.1.2.tgz",
+      "integrity": "sha512-boViEllOaFIANaZ4ujemMIR6ryDm1619qcdp20yEd5sAR/SF2uUAZLcV9IY7PlseaTCw4muSLSOPo1valLpOxw==",
+      "license": "ISC"
+    },
     "node_modules/color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -2701,6 +2750,30 @@
       "integrity": "sha512-aylIc7Z9y4yzHYAJNuESG3hfhC+0Ibp/MAMiaOZgNv4pmEdFyfZhhhny4MNiAfWdBQ1RQ2mfDWmM1x8SvGyp8g==",
       "license": "CC0-1.0"
     },
+    "node_modules/d3-array": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-3.2.4.tgz",
+      "integrity": "sha512-tdQAmyA18i4J7wprpYq8ClcxZy3SC31QMeByyCFyRt7BVHdREQZ5lpzoe5mFEYZUWe+oq8HBvk9JjpibyEV4Jg==",
+      "license": "ISC",
+      "dependencies": {
+        "internmap": "1 - 2"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/d3-geo": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/d3-geo/-/d3-geo-3.1.1.tgz",
+      "integrity": "sha512-637ln3gXKXOwhalDzinUgY83KzNWZRKbYubaG+fGVuc/dxO64RRljtCTnf5ecMyE1RIdtqpkVcq0IbtU2S8j2Q==",
+      "license": "ISC",
+      "dependencies": {
+        "d3-array": "2.5.0 - 3"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/defu": {
       "version": "6.1.7",
       "resolved": "https://registry.npmjs.org/defu/-/defu-6.1.7.tgz",
@@ -3223,6 +3296,15 @@
       "integrity": "sha512-dTxcvPXqPvXBQpq5dUr6mEMJX4oIEFv6bwom3FDwKRDsuIjjJGANqhBuoAn9c1RQJIdAKav33ED65E2ys+87QQ==",
       "license": "BSD-2-Clause"
     },
+    "node_modules/internmap": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
+      "integrity": "sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/iron-webcrypto": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/iron-webcrypto/-/iron-webcrypto-1.2.1.tgz",
@@ -4393,6 +4475,26 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/topojson-client": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/topojson-client/-/topojson-client-3.1.0.tgz",
+      "integrity": "sha512-605uxS6bcYxGXw9qi62XyrV6Q3xwbndjachmNxu8HWTtVPxZfEJN9fd/SZS1Q54Sn2y0TMyMxFj/cJINqGHrKw==",
+      "license": "ISC",
+      "dependencies": {
+        "commander": "2"
+      },
+      "bin": {
+        "topo2geo": "bin/topo2geo",
+        "topomerge": "bin/topomerge",
+        "topoquantize": "bin/topoquantize"
+      }
+    },
+    "node_modules/topojson-client/node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "license": "MIT"
+    },
     "node_modules/trim-lines": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/trim-lines/-/trim-lines-3.0.1.tgz",

package.json

@@ -13,10 +13,15 @@
   "dependencies": {
     "@astrojs/check": "^0.9.9",
     "astro": "^7.1.0",
+    "cn-atlas": "^0.1.2",
+    "d3-geo": "^3.1.1",
+    "topojson-client": "^3.1.0",
     "typescript": "^6.0.3"
   },
   "devDependencies": {
+    "@types/d3-geo": "^3.1.0",
     "@types/node": "^26.1.1",
+    "@types/topojson-client": "^3.1.5",
     "tsx": "^4.23.1"
   }
 }

src/data/class-map.ts

@@ -0,0 +1,68 @@
+import { people } from "./people";
+
+export interface ClassMapEntry {
+  personSlug: string;
+  city: string;
+  province: string;
+  /** 城市中心点经度，仅用于城市级地图投影。 */
+  longitude: number;
+  /** 城市中心点纬度，仅用于城市级地图投影。 */
+  latitude: number;
+}
+
+/**
+ * 只有明确同意在班级地图公开的同学，才应出现在这个列表中。
+ * 地图仅展示城市中心点，不采集或保存个人精确位置。
+ */
+export const classMapEntries: ClassMapEntry[] = [
+  { personSlug: "student-a", city: "北京", province: "北京市", longitude: 116.4074, latitude: 39.9042 },
+  { personSlug: "biss", city: "高平", province: "山西省", longitude: 112.9239, latitude: 35.798 }
+];
+
+const peopleBySlug = new Map(people.map((person) => [person.slug, person]));
+
+const toMapPerson = (person: (typeof people)[number]) => ({
+  slug: person.slug,
+  initial: person.initial,
+  name: person.name,
+  photo: person.photo,
+  direction: person.direction
+});
+
+export const mapCities = Array.from(
+  classMapEntries.reduce((cities, entry) => {
+    const person = peopleBySlug.get(entry.personSlug);
+    if (!person) return cities;
+
+    const key = `${entry.province}-${entry.city}`;
+    const existing = cities.get(key);
+
+    if (existing) {
+      existing.people.push(toMapPerson(person));
+    } else {
+      cities.set(key, {
+        key,
+        city: entry.city,
+        province: entry.province,
+        longitude: entry.longitude,
+        latitude: entry.latitude,
+        people: [toMapPerson(person)]
+      });
+    }
+
+    return cities;
+  }, new Map<string, {
+    key: string;
+    city: string;
+    province: string;
+    longitude: number;
+    latitude: number;
+    people: ReturnType<typeof toMapPerson>[];
+  }>()).values()
+).sort((a, b) => b.people.length - a.people.length || a.city.localeCompare(b.city, "zh-CN"));
+
+export const mapStats = {
+  cityCount: mapCities.length,
+  publicPeopleCount: mapCities.reduce((total, city) => total + city.people.length, 0),
+  provinceCount: new Set(mapCities.map((city) => city.province)).size
+};