111

.gitignore

@@ -0,0 +1,25 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/dist
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+# /build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+mysql.js

app.js

@@ -0,0 +1,97 @@
+let koa = require("koa");
+// let app=new koa()
+// const websockify = require("koa-websocket");
+
+const app = new koa();
+let bodyparser = require("koa-bodyparser");
+let json = require("koa-json");
+let router = require("koa-router")(); //实例化new路由
+let cors = require("koa2-cors");
+// let verifToken = require("./token.js");
+let static = require("koa-static");
+const path = require("path");
+let multer = require("koa-multer");
+let fs = require("fs");
+
+// 配置静态资源
+const staticPath = "./public";
+app.use(static(path.join(__dirname, staticPath)));
+
+app.use(bodyparser());
+app.use(json());
+app.use(cors());
+
+// 设置文件存储位置
+let storage = multer.diskStorage({
+	//设置文件储存位置
+	destination: function (req, file, cb) {
+		let date = new Date();
+		let year = date.getFullYear();
+		let month = date.getMonth() + 1;
+		let day = date.getDate();
+		let dir = "./public/uploads/" + year + month + day;
+
+		if (!fs.existsSync(dir)) {
+			fs.mkdirSync(dir, {
+				recursive: true,
+			});
+		}
+		cb(null, dir);
+	},
+	filename: function (req, file, cb) {
+		// 设置上传文件名称
+		let fileName =
+			file.fieldname + "-" + Date.now() + path.extname(file.originalname);
+		cb(null, fileName);
+	},
+});
+
+// 创建multer实例并配置存储引擎
+const upload = multer({ storage: storage });
+
+// 上传图片接口
+router.post("/img", upload.single("file"), async (ctx) => {
+	// console.log(ctx.req.file);
+	if (!ctx.req.file) {
+		// 如果没有上传文件
+		ctx.status = 400; // 设置响应状态码为400，表示请求错误
+		ctx.body = "请选择要上传的文件"; // 返回给客户端的提示信息
+		return;
+	}
+
+	// 检查文件大小
+	const fileSize = ctx.req.file.size;
+	// console.log(fileSize);
+	if (fileSize > 5 * 1024 * 1024) {
+		// 如果文件大小超过限制
+		ctx.status = 400; // 设置响应状态码为400，表示请求错误
+		ctx.body = {   // 返回给客户端的提示信息
+			code:400,
+			msg:"文件大小超过限制"
+		}
+		
+		// 删除超过限制的文件
+		// fs.unlinkSync(ctx.req.file.path);
+		fs.unlink(ctx.req.file.path, (err) => {
+			if (err) {
+			  console.error('文件删除失败', err);
+			} else {
+			  console.log('文件删除成功');
+			}
+		  });
+		return;
+	}
+	let path = ctx.req.file.path;
+	path = ctx.origin + "" + path.replace("public", "");
+	path = path.replace(/\\/g, "/");
+	console.log(path);
+
+	ctx.body = path;
+});
+
+app.use(router.routes()).use(router.allowedMethods());
+
+// 启动 Koa 应用程序
+app.listen(7006, () => {
+	console.log("Server is running on port 7006");
+});

package-lock.json

@@ -0,0 +1,1674 @@
+{
+  "name": "upload",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "express": "^4.18.2",
+        "koa": "^2.14.2",
+        "koa-bodyparser": "^4.4.1",
+        "koa-json": "^2.0.2",
+        "koa-multer": "^1.0.2",
+        "koa-router": "^12.0.1",
+        "koa-static": "^5.0.0",
+        "koa2-cors": "^2.0.6",
+        "nodemon": "^3.0.1"
+      }
+    },
+    "node_modules/abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmmirror.com/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmmirror.com/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmmirror.com/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/append-field": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmmirror.com/append-field/-/append-field-0.1.0.tgz",
+      "integrity": "sha512-8BgHoIwbQZaAQgDZLBu2vQoXHgUpSx4vQK1qv7e6R8YfbiSf4fCaBPJRtM1BaxVn1rIHc5ftv0cklsJ78BkouQ=="
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmmirror.com/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+    },
+    "node_modules/balanced-match": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+    },
+    "node_modules/binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmmirror.com/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/body-parser": {
+      "version": "1.20.1",
+      "resolved": "https://registry.npmmirror.com/body-parser/-/body-parser-1.20.1.tgz",
+      "integrity": "sha512-jWi7abTbYwajOytWCQc37VulmWiRae5RyTpaCyDcS5/lMdtwSz5lOpDE67srw/HYe35f1z3fDQw+3txg7gNtWw==",
+      "dependencies": {
+        "bytes": "3.1.2",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.4.1",
+        "qs": "6.11.0",
+        "raw-body": "2.5.1",
+        "type-is": "~1.6.18",
+        "unpipe": "1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmmirror.com/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dependencies": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "node_modules/braces": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmmirror.com/braces/-/braces-3.0.2.tgz",
+      "integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+      "dependencies": {
+        "fill-range": "^7.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmmirror.com/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ=="
+    },
+    "node_modules/busboy": {
+      "version": "0.2.14",
+      "resolved": "https://registry.npmmirror.com/busboy/-/busboy-0.2.14.tgz",
+      "integrity": "sha512-InWFDomvlkEj+xWLBfU3AvnbVYqeTWmQopiW0tWWEy5yehYm2YkGEc59sUmw/4ty5Zj/b0WHGs1LgecuBSBGrg==",
+      "dependencies": {
+        "dicer": "0.2.5",
+        "readable-stream": "1.1.x"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/busboy/node_modules/isarray": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmmirror.com/isarray/-/isarray-0.0.1.tgz",
+      "integrity": "sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ=="
+    },
+    "node_modules/busboy/node_modules/readable-stream": {
+      "version": "1.1.14",
+      "resolved": "https://registry.npmmirror.com/readable-stream/-/readable-stream-1.1.14.tgz",
+      "integrity": "sha512-+MeVjFf4L44XUkhM1eYbD8fyEsxcV81pqMSR5gblfcLCHfZvbrqy4/qYHE+/R5HoBUT11WV5O08Cr1n3YXkWVQ==",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.1",
+        "isarray": "0.0.1",
+        "string_decoder": "~0.10.x"
+      }
+    },
+    "node_modules/busboy/node_modules/string_decoder": {
+      "version": "0.10.31",
+      "resolved": "https://registry.npmmirror.com/string_decoder/-/string_decoder-0.10.31.tgz",
+      "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ=="
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmmirror.com/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/cache-content-type": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/cache-content-type/-/cache-content-type-1.0.1.tgz",
+      "integrity": "sha512-IKufZ1o4Ut42YUrZSo8+qnMTrFuKkvyoLXUywKz9GJ5BrhOFGhLdkx9sG4KAnVvbY6kEcSFjLQul+DVmBm2bgA==",
+      "dependencies": {
+        "mime-types": "^2.1.18",
+        "ylru": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/call-bind": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmmirror.com/call-bind/-/call-bind-1.0.5.tgz",
+      "integrity": "sha512-C3nQxfFZxFRVoJoGKKI8y3MOEo129NQ+FgQ08iye+Mk4zNZZGdjfs06bVTr+DBSlA66Q2VEcMki/cUCP4SercQ==",
+      "dependencies": {
+        "function-bind": "^1.1.2",
+        "get-intrinsic": "^1.2.1",
+        "set-function-length": "^1.1.1"
+      }
+    },
+    "node_modules/chokidar": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmmirror.com/chokidar/-/chokidar-3.5.3.tgz",
+      "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.2"
+      }
+    },
+    "node_modules/co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmmirror.com/co/-/co-4.6.0.tgz",
+      "integrity": "sha512-QVb0dM5HvG+uaxitm8wONl7jltx8dqhfU33DcqtOZcLSVIKSDDLDi7+0LbAKiyI8hD9u42m2YxXSkMGWThaecQ==",
+      "engines": {
+        "iojs": ">= 1.0.0",
+        "node": ">= 0.12.0"
+      }
+    },
+    "node_modules/co-body": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmmirror.com/co-body/-/co-body-6.1.0.tgz",
+      "integrity": "sha512-m7pOT6CdLN7FuXUcpuz/8lfQ/L77x8SchHCF4G0RBTJO20Wzmhn5Sp4/5WsKy8OSpifBSUrmg83qEqaDHdyFuQ==",
+      "dependencies": {
+        "inflation": "^2.0.0",
+        "qs": "^6.5.2",
+        "raw-body": "^2.3.3",
+        "type-is": "^1.6.16"
+      }
+    },
+    "node_modules/concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmmirror.com/concat-map/-/concat-map-0.0.1.tgz",
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+    },
+    "node_modules/concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmmirror.com/concat-stream/-/concat-stream-1.6.2.tgz",
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+        "node >= 0.8"
+      ],
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
+      }
+    },
+    "node_modules/content-disposition": {
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+      "resolved": "https://registry.npmmirror.com/content-disposition/-/content-disposition-0.5.4.tgz",
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+        "safe-buffer": "5.2.1"
+      },
+      "engines": {
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+      }
+    },
+    "node_modules/content-type": {
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+      "resolved": "https://registry.npmmirror.com/content-type/-/content-type-1.0.5.tgz",
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+      }
+    },
+    "node_modules/cookie": {
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+      "resolved": "https://registry.npmmirror.com/cookie/-/cookie-0.5.0.tgz",
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+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmmirror.com/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+    },
+    "node_modules/cookies": {
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+      "resolved": "https://registry.npmmirror.com/cookies/-/cookies-0.8.0.tgz",
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+        "depd": "~2.0.0",
+        "keygrip": "~1.1.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/copy-to": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmmirror.com/copy-to/-/copy-to-2.0.1.tgz",
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+    },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmmirror.com/core-util-is/-/core-util-is-1.0.3.tgz",
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+    },
+    "node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmmirror.com/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/deep-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/deep-equal/-/deep-equal-1.0.1.tgz",
+      "integrity": "sha512-bHtC0iYvWhyaTzvV3CZgPeZQqCOBGyGsVV7v4eevpdkLHfiSrXUdBG+qAuSz4RI70sszvjQ1QSZ98An1yNwpSw=="
+    },
+    "node_modules/define-data-property": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmmirror.com/define-data-property/-/define-data-property-1.1.1.tgz",
+      "integrity": "sha512-E7uGkTzkk1d0ByLeSc6ZsFS79Axg+m1P/VsgYsxHgiuc3tFSj+MjMIwe90FC4lOAZzNBdY7kkO2P2wKdsQ1vgQ==",
+      "dependencies": {
+        "get-intrinsic": "^1.2.1",
+        "gopd": "^1.0.1",
+        "has-property-descriptors": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ=="
+    },
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+}

package.json

@@ -0,0 +1,13 @@
+{
+  "dependencies": {
+    "express": "^4.18.2",
+    "koa": "^2.14.2",
+    "koa-bodyparser": "^4.4.1",
+    "koa-json": "^2.0.2",
+    "koa-multer": "^1.0.2",
+    "koa-router": "^12.0.1",
+    "koa-static": "^5.0.0",
+    "koa2-cors": "^2.0.6",
+    "nodemon": "^3.0.1"
+  }
+}