first commit

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/app.js

@@ -0,0 +1,40 @@
+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+
+var indexRouter = require('./routes/index');
+var usersRouter = require('./routes/users');
+
+var app = express();
+
+// view engine setup
+
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+
+
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render('error');
+});
+
+module.exports = app;

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/bin/www

@@ -0,0 +1,90 @@
+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('backend: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);
+
+/**
+ * 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);
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/config/index.js

@@ -0,0 +1,14 @@
+module.exports={
+    mysqlConfig:{
+        host     : 'localhost',
+        user     : 'root',
+        password : 'root',
+        database : 'myblog'
+    },
+    ResponseResult: {
+        // 200 500 600
+        code: null,
+        message: null,
+        data: null,
+    }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/mysql/index.js

@@ -0,0 +1,37 @@
+var mysql = require('mysql');
+var config =require('../config')
+class Mysql{
+    constructor(){
+        this.connection = mysql.createConnection(config.mysqlConfig);
+        //打开链接
+        this.connection.connect()
+    }
+    query(params){
+        return new Promise((resolve,reject)=>{
+            this.connection.query(params.sql,params.value,(error, results, fields)=>{
+                if(error){
+                    resolve( this.error(error.message,error.code))
+                }else{
+                    resolve(this.success(results))
+                }
+            })
+        })
+        
+    }
+    //成功获取数据时
+    success(data=[],messages="请求成功"){
+        config.ResponseResult.code=200;
+        config.ResponseResult.message=messages;
+        config.ResponseResult.data=data;
+        return config.ResponseResult
+    }
+    //报错时
+    error(messages="请求失败",code="", data=[]){
+        config.ResponseResult.code=code;
+        config.ResponseResult.message=messages;
+        config.ResponseResult.data=data;
+        return config.ResponseResult
+    }
+}
+
+module.exports=new Mysql()

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "backend",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node-dev ./bin/www"
+  },
+  "dependencies": {
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "express": "~4.16.1",
+    "http-errors": "~1.6.3",
+    "morgan": "~1.9.1",
+    "mysql": "^2.18.1"
+  }
+}

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/routes/index.js

@@ -0,0 +1,16 @@
+var express = require('express');
+var router = express.Router();
+var express =require('../mysql/index');
+const mysql = require('../mysql/index');
+
+/* GET home page. */
+router.get('/', async (req, res, next)=> {
+  let resulit= await mysql.query({
+    sql:'SELECT * FROM `user`',
+    value:[]
+  })
+
+  res.json(resulit);
+});
+
+module.exports = router;

历届学生/front-end-team-11/项目开发/学生项目/贡婉宝/nodejs博客/backendV1/routes/users.js

@@ -0,0 +1,9 @@
+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;