+upload?

multer-init
2023-11-08 15:43:46 +03:00 · 2023-11-08 14:04:19 +03:00
5 changed files with 234 additions and 14 deletions
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -0,0 +1,15 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Launch Program",
+      "skipFiles": ["<node_internals>/**"],
+      "program": "${workspaceFolder}\\app.js"
+    }
+  ]
+}
--- a/app.js
+++ b/app.js
@@ -4,31 +4,53 @@ const fs = require("fs");
 const { join } = require("path");
 const { log } = require("console");

+// express app
 const app = express();
 const jsonParser = bodyParser.json();

+// multer
+const multer = require("multer");
+const { PassThrough } = require("stream");
+const upload = multer();
+const imageFolder = join(__dirname, "images");
+fs.mkdirSync(imageFolder, { recursive: true }); // Создать папку, если не существует
+const imageStore = multer.diskStorage({
+  destination: function (_req, file, cb) {
+    console.log("file : ", file);
+    return cb(null, imageFolder);
+  },
+  filename: function (_req, file, cb) {
+    console.log("file from filename function : ", file);
+    let origFileName = file.originalname.split(".")[0];
+    let filename =
+      origFileName + "-" + Date.now() + path.extname(file.originalname);
+    console.log("filename : ", filename);
+    return cb(null, filename);
+  },
+});
+
+// local bootstrap
 app.use(
  "/bootstrap",
  express.static(join(__dirname, "node_modules/bootstrap/dist"))
 );

+// local jquery
 app.use("/jquery", express.static(join(__dirname, "node_modules/jquery/dist")));

-// app.use(express.static(__dirname + 'public'));
-// получение списка данных
-
-// app.use("/index", express.static(join(__dirname + "public")))
+// index.html
 app.get("/", function (req, res) {
  res.sendFile(join(__dirname, "index.html"));
 });

+// Список пользователей
 app.get("/api/users", function (req, res) {
  var content = fs.readFileSync("users.json", "utf8");
  var users = JSON.parse(content);
  res.send(users);
 });

-// получение одного пользователя по id
+// Получение одного пользователя по id
 app.get("/api/users/:id", function (req, res) {
  var id = req.params.id; // получаем id
  var content = fs.readFileSync("users.json", "utf8");
@@ -41,7 +63,7 @@ app.get("/api/users/:id", function (req, res) {
      break;
    }
  }
-  // отправляем пользователя
+  // Отправляем пользователя
  if (user) {
    res.send(user);
  } else {
@@ -49,9 +71,10 @@ app.get("/api/users/:id", function (req, res) {
  }
 });

-// получение отправленных данных
+// Получение отправленных данных
 app.post("/api/users", jsonParser, function (req, res) {
  if (!req.body) return res.sendStatus(400);
+  if (!req.body.name) return res.sendStatus(400);

  var userName = req.body.name;
  var userAge = +req.body.age;
@@ -64,19 +87,19 @@ app.post("/api/users", jsonParser, function (req, res) {
    fs.writeFileSync("users.json");
  }

-  // находим максимальный id
+  // Находим максимальный id
  var maxid = Math.max.apply(
    Math,
    users.map(function (o) {
      return o.id;
    })
  );
-  // увеличиваем его на единицу
+  // Увеличиваем его на единицу
  user.id = maxid + 1;
-  // добавляем пользователя в массив
+  // Добавляем пользователя в массив
  users.push(user);
  var data = JSON.stringify(users);
-  // перезаписываем файл с новыми данными
+  // Перезаписываем файл с новыми данными
  fs.writeFileSync("users.json", data);
  res.send(user);
 });
@@ -109,6 +132,7 @@ app.delete("/api/users/:id", function (req, res) {
 // изменение пользователя
 app.put("/api/users", jsonParser, function (req, res) {
  if (!req.body) return res.sendStatus(400);
+  if (!req.body.name) return res.sendStatus(400);

  var userId = req.body.id;
  var userName = req.body.name;
@@ -135,6 +159,26 @@ app.put("/api/users", jsonParser, function (req, res) {
  }
 });

+// multer
+// Получение изображений пользователей
+// app.get("/api/images", load, function (req, res) {
+//   res.status(200).send();
+// });
+
+// Загрузка изображения для пользователя
+app.post("/api/images/upload/:id", upload.single("file"), (req, res) => {
+  if (!req.body) return res.sendStatus(400);
+  if (!req.body.name) return res.sendStatus(400);
+
+  var userId = req.body.id;
+
+  console.log("Загружается файл", userId);
+  fs.unlinkSync(req.file.path);
+  res.status(200).send();
+});
+
+// Удаление изображения для пользователя
+
 app.listen(3000, function () {
  log("Сервер на порту 3000");
 });
--- a/index.html
+++ b/index.html
@@ -39,6 +39,7 @@
            <th>Имя</th>
            <th>Возраст</th>
            <th>Опции</th>
+            <th>Изображение</th>
          </tr>
        </thead>
        <tbody></tbody>
@@ -61,6 +62,7 @@
            },
          });
        }
+
        // Получение одного пользователя
        function GetUser(id) {
          $.ajax({
@@ -75,6 +77,7 @@
            },
          });
        }
+
        // Добавление пользователя
        function CreateUser(userName, userAge) {
          $.ajax({
@@ -91,6 +94,7 @@
            },
          });
        }
+
        // Изменение пользователя
        function EditUser(userId, userName, userAge) {
          $.ajax({
@@ -109,7 +113,7 @@
          });
        }

-        // сброс формы
+        // Сброс формы
        function reset() {
          var form = document.forms["userForm"];
          form.reset();
@@ -128,6 +132,7 @@
            },
          });
        }
+
        // создание строки для таблицы
        var row = function (user) {
          return (
@@ -149,6 +154,7 @@
            "'>Удалить</a></td></tr>"
          );
        };
+
        // сброс значений формы
        $("#reset").click(function (e) {
          e.preventDefault();
@@ -161,6 +167,7 @@
          var id = this.elements["id"].value;
          var name = this.elements["name"].value;
          var age = this.elements["age"].value;
+          if (name == "" || id == "" || age == 0) return false;
          if (id == 0) CreateUser(name, age);
          else EditUser(id, name, age);
        });
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,8 @@
        "body-parser": "^1.16.0",
        "bootstrap": "^5.3.2",
        "express": "^4.18.2",
-        "jquery": "^3.7.1"
+        "jquery": "^3.7.1",
+        "multer": "^1.4.5-lts.1"
      }
    },
    "node_modules/@popperjs/core": {
@@ -37,6 +38,11 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/append-field": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+      "integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw=="
+    },
    "node_modules/array-flatten": {
      "version": "1.1.1",
      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -83,6 +89,22 @@
        "@popperjs/core": "^2.11.8"
      }
    },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ=="
+    },
+    "node_modules/busboy": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
+      "integrity": "sha512-8SFQbg/0hQ9xy3UNTB0YEnsNBbWfhf7RtnzpL7TkBiTBRfrQ9Fxcnz7VJsleJpyp6rVLvXiuORqjlHi5q+PYuA==",
+      "dependencies": {
+        "streamsearch": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      }
+    },
    "node_modules/bytes": {
      "version": "3.1.2",
      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -103,6 +125,20 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "engines": [
+        "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": {
      "version": "0.5.4",
      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
@@ -135,6 +171,11 @@
      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
    },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="
+    },
    "node_modules/debug": {
      "version": "2.6.9",
      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -388,6 +429,11 @@
        "node": ">= 0.10"
      }
    },
+    "node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
+    },
    "node_modules/jquery": {
      "version": "3.7.1",
      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.7.1.tgz",
@@ -444,11 +490,47 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/mkdirp": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+      "dependencies": {
+        "minimist": "^1.2.6"
+      },
+      "bin": {
+        "mkdirp": "bin/cmd.js"
+      }
+    },
    "node_modules/ms": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
    },
+    "node_modules/multer": {
+      "version": "1.4.5-lts.1",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.5-lts.1.tgz",
+      "integrity": "sha512-ywPWvcDMeH+z9gQq5qYHCCy+ethsk4goepZ45GLD63fOu0YcNecQxi64nDs3qluZB+murG3/D4dJ7+dGctcCQQ==",
+      "dependencies": {
+        "append-field": "^1.0.0",
+        "busboy": "^1.0.0",
+        "concat-stream": "^1.5.2",
+        "mkdirp": "^0.5.4",
+        "object-assign": "^4.1.1",
+        "type-is": "^1.6.4",
+        "xtend": "^4.0.0"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
    "node_modules/negotiator": {
      "version": "0.6.3",
      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
@@ -457,6 +539,14 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/object-inspect": {
      "version": "1.13.0",
      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.0.tgz",
@@ -489,6 +579,11 @@
      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
    },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
    "node_modules/proxy-addr": {
      "version": "2.0.7",
      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -537,6 +632,25 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/readable-stream": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+      "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/readable-stream/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
    "node_modules/safe-buffer": {
      "version": "5.2.1",
      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -629,6 +743,27 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/streamsearch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
+      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
+    "node_modules/string_decoder/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
    "node_modules/toidentifier": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -649,6 +784,11 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
+    },
    "node_modules/unpipe": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -657,6 +797,11 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
+    },
    "node_modules/utils-merge": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -672,6 +817,14 @@
      "engines": {
        "node": ">= 0.8"
      }
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "engines": {
+        "node": ">=0.4"
+      }
    }
  }
 }
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
    "body-parser": "^1.16.0",
    "bootstrap": "^5.3.2",
    "express": "^4.18.2",
-    "jquery": "^3.7.1"
+    "jquery": "^3.7.1",
+    "multer": "^1.4.5-lts.1"
  },
  "description": "https://nodejsdev.ru/guides/metanit/express-api/",
  "main": "app.js",
Author	SHA1	Message	Date
antone	75f2a70963	+upload?	2023-11-08 15:43:46 +03:00
=	b112ea5b80	multer-init	2023-11-08 14:04:19 +03:00