add service folder

Author: Harhao

service/.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+ 
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+ 
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+ 
+# Coverage directory used by tools like istanbul
+coverage
+ 
+# nyc test coverage
+.nyc_output
+ 
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+ 
+# Bower dependency directory (https://bower.io/)
+bower_components
+ 
+# node-waf configuration
+.lock-wscript
+ 
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+ 
+# Dependency directories
+node_modules/
+jspm_packages/
+ 
+# Typescript v1 declaration files
+typings/
+ 
+# Optional npm cache directory
+.npm
+ 
+# Optional eslint cache
+.eslintcache
+ 
+# Optional REPL history
+.node_repl_history
+ 
+# Output of 'npm pack'
+*.tgz
+ 
+# Yarn Integrity file
+.yarn-integrity
+ 
+# dotenv environment variables file
+.env

service/app.js

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+const Koa = require("koa");
+const app = new Koa();
+const json = require("koa-json");
+const onerror = require("koa-onerror");
+const bodyparser = require("koa-bodyparser");
+const logger = require("koa-logger");
+const router = require("./routes/index");
+const errorHandle = require("./util/error.js");
+const koaJwt = require("koa-jwt");
+const config = require("./config/index");
+const filterApi = require("./config/filterApi");
+const util = require("./util/index");
+const { connect } = require("./model/init");
+onerror(app);
+app.use(
+  bodyparser({
+    enableTypes: ["json", "form", "text"]
+  })
+);
+app.use(json());
+app.use(logger());
+app.use(require("koa-static")(__dirname + "/public"));
+app.use(async (ctx, next) => {
+  const start = new Date();
+  await next();
+  const ms = new Date() - start;
+  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`);
+});
+app.use(errorHandle);
+app.use(
+  koaJwt({
+    secret: config.secret,
+    isRevoked: util.verify
+  }).unless({
+    path: [...filterApi]
+  })
+);
+app.use(router.routes(), router.allowedMethods());
+(async () => {
+  await connect();
+})();
+app.on("error", (err, ctx) => {
+  console.error("server error", err, ctx);
+});
+
+module.exports = app;

service/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('demo:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+// app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app.callback());
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

service/config/filterApi.js

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+module.exports = [/\/login/, /\/register/];

service/config/index.js

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+module.exports = {
+  secret: "[email protected]",
+  mongoUrl: "mongodb://127.0.0.1:27017/fruitShop",
+  userNumber: "Harhao",
+  password: "1234567",
+  expiresIn: {
+    expiresIn: "2h"
+  }
+};

service/controller/user.js

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+const userModel = require("../model/user.js");
+const config = require("../config/index.js");
+const util = require("../util/index");
+module.exports = {
+  register: async (ctx, next) => {
+    let { name, password, phone } = ctx.request.body;
+    if (name && password) {
+      password = util.createHash(password);
+      const result = await new userModel({
+        name: name,
+        password: password,
+        phone: phone
+      }).save();
+      console.log("register result is", result);
+      if (!result)
+        return (ctx.body = {
+          code: "400",
+          message: "register fail"
+        });
+      else
+        return (ctx.body = {
+          code: "200",
+          message: "register success!"
+        });
+    }
+  },
+  login: async (ctx, next) => {
+    const data = ctx.request.body;
+    if (!data.name || !data.password) {
+      return (ctx.body = {
+        code: "",
+        data: null,
+        message: "the usernumber or password can't be null"
+      });
+    }
+    data.password = util.createHash(data.password);
+    const result = await userModel.find({
+      name: data.name,
+      password: data.password
+    });
+    if (result && result.length) {
+      const token = util.sign(result);
+      return (ctx.body = {
+        code: "200",
+        token: token,
+        message: "login success"
+      });
+    } else {
+      return (ctx.body = {
+        code: "400",
+        data: null,
+        message: "usernumber or password is error"
+      });
+    }
+  },
+  getuserinfo: async (ctx, next) => {
+    const { name } = ctx.request.query;
+    if (name) {
+      const result = await userModel.findOne({
+        name: name
+      });
+      console.log(result);
+      result
+        ? (ctx.body = { code: 200, data: result, message: "ok" })
+        : (ctx.body = { code: 200, data: null, message: "ok" });
+    } else {
+      ctx.body = {
+        code: 400,
+        message: "name is null"
+      };
+    }
+  }
+};

service/model/category.js

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+const mongoose = require("mongoose");
+const Schema = mongoose.Schema;
+const categorySchema = new Schema({
+    id: {
+        type: Number
+    },
+    parent_id: {
+        type: Number
+    },
+    name: {
+        type: String,
+        default: ''
+    },
+    status: {
+        type: Boolean,
+        default: false
+    },
+    create_time: {
+        type: Date,
+        default: Date.now()
+    },
+    update_time: {
+        type: Date,
+        default: Date.now()
+    }
+});
+module.exports = mongoose.model("category", categorySchema);

service/model/goods.js

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+const mongoose = require("mongoose");
+const Schema = mongoose.Schema;
+const ObjectId = Schema.Types.ObjectId;
+const goodsSchema = new Schema({
+  id:{
+    type:Number
+  },
+  category_id:{
+    
+  }
+});
+module.exports = mongoose.model("goods", goodsSchema);

service/model/init.js

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+const mongoose = require("mongoose");
+const mongoUrl = require("../config/index").mongoUrl;
+function connectDB() {
+  mongoose.connect(mongoUrl, { useNewUrlParser: true, useCreateIndex: true });
+}
+exports.connect = () => {
+  connectDB();
+  let maxConnectTimes = 0;
+  return new Promise((resolve, reject) => {
+    mongoose.connection.on("disconnected", () => {
+      if (maxConnectTimes <= 3) {
+        maxConnectTimes++;
+        connectDB();
+      } else {
+        reject();
+        throw new Error("数据库出现问题");
+      }
+    });
+    mongoose.connection.on("error", err => {
+      console.log("***********数据库错误***********");
+      if (maxConnectTimes <= 3) {
+        maxConnectTimes++;
+        connectDB();
+      } else {
+        reject(err);
+        throw new Error("数据库出现问题，程序无法搞定，请人为修理.....");
+      }
+    });
+    mongoose.connection.once("open", () => {
+      console.log("MogoDB connect success");
+      resolve();
+    });
+  });
+};