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//16.apiRouter.js
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const express = require('express')
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const bodyParser = require('body-parser');
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const router = express.Router()
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const fs = require("fs");
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const mysql = require('mysql2');
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const moment = require("moment");
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const util = require('util');
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const pool = mysql.createPool({
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host: 'localhost',
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user: 'root',
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password: 'Skyinno251,',
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database: 'appserver',
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multipleStatements: true, // 允许执行多条语句,（高并发方式）
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connectionLimit: 10 // 连接池最大连接数
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});
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// 在这里挂载对应的路由
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router.get('/get', (req, res) => {
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// 通过 req.query 获取客户端发送到服务器的数据(查询字符串)
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const query = req.query
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run().then(r => {console.log("调用oracle")})
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// 调用 res.send() 方法，向客户端响应处理的结果
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res.send({
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status: 0,// 0 表示处理成功，1 表示处理失败
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msg: 'GRT请求成功', // 状态的描述
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data: query// 需要响应给客户端的数据
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})
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})
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router.post('/addTimeNow', (req, res) => {
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// 通过 req.body 获取请求体中包含的 url-encoded 格式的数据
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const body = req.body
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res.send({
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status: 1,
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msg: 'POST请求成功',
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data: body
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})
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})
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// 新增用户 POST 请求处理程序
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router.post('/addUserNow', (req, res) => {
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const date = new Date();
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const formattedDate = moment(date).format('YYYY-MM-DD HH:mm:ss');
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console.log(formattedDate);
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const { name, age } = req.body; // 从请求体中获取数据
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if (name == undefined||name == ''||name == null) {
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res.status(500).json({ error: 'name not null' });
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return
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}
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if (age == undefined||age == ''||age == null) {
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res.status(500).json({ error: 'age not null' });
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return
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}
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const values = [name, age, date];
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const insertSql = `INSERT INTO user_now (name, age,create_time) VALUES (?, ?, ?)`;
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pool.query(insertSql, values, (err, results) => {
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if (err) {
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console.error('Error querying database:', err);
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res.status(500).json({ error: 'Internal server error' });
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return;
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}
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res.json({
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code:'200',
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data:results,
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});
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});
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});
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router.delete('/delete', (req, res) => {
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res.send({
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status: 0,
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msg: 'DELETE请求成功',
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})
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})
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// 获取用户详情 3
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router.get('/user/:username', (req, res) => {
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const { username } = req.params;
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if (username == undefined||username == ''||username == null) {
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res.status(500).json({ error: 'username not null' });
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return
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}
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const values =[username];
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let query = 'SELECT * FROM user WHERE username = ?';
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pool.query(query,values,(err, results) => {
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if (err) {
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console.error('Error querying database:', err);
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res.status(500).json({ error: 'Internal server error' });
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return;
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}
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res.json({
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code:'200',
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data:results?results[0]:{},
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});
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});
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});
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router.get('/user', (req, res) => {
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const { username, name } = req.query;
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//const values =[username, name];
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let query = 'SELECT * FROM user';
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// 构建查询条件
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const params = [];
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if (name !== undefined&&name !== ''&&name !== null) {
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query += ' WHERE name = ?';
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params.push(name);
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}
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if (username !== undefined&&username !== ''&&username !== null) {
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query += params.length ? ' AND' : ' WHERE';
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query += ' username = ?';
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params.push(username);
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}
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// 查询数据库并返回数据
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pool.query(query,params,(err, results) => {
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if (err) {
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console.error('Error querying database:', err);
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res.status(500).json({ error: 'Internal server error' });
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return;
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}
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res.json({
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code:'200',
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data:results,
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});
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});
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});
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router.put('/userPut', (req, res) => {
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// console.log(req.body);
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const { name, age ,id} = req.body; // 从请求体中获取数据
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if (id == undefined||id == ''||id == null) {
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res.status(500).json({ error: 'id not null' });
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return
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}
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if (name == undefined||name == ''||name == null) {
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res.status(500).json({ error: 'name not null' });
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return
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}
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if (age == undefined||age == ''||age == null) {
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res.status(500).json({ error: 'age not null' });
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return
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}
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const values = [name, age, id];
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// 准备 SQL 插入语句
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const sql = "UPDATE user_now SET name = ?, age = ? WHERE id = ?";
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pool.query(sql, values, (err, results) => {
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// console.log(err,'err');
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// console.log(results,'results');
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if (err) {
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console.error('Error querying database:', err);
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res.status(500).json({ error: 'Internal server error' });
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return;
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}
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res.json({
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code:'200',
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data:results,
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});
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});
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});
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// 删除用户数据 DELETE请求处理程序
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router.delete('/userDel/:id', (req, res) => {
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// const {id} = req.body; // 从请求体中获取数据
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const id = req.params.id;
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if (id == undefined||id == ''||id == null) {
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res.status(500).json({ error: 'id not null' });
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return
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}
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// console.log(id,'id');
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const values = [id];
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const sql = "DELETE FROM time_now WHERE id = ?";
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pool.query(sql, values, (err, results) => {
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// console.log(err,'err');
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// console.log(results,'results');
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if (err) {
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console.error('Error querying database:', err);
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res.status(500).json({ error: 'Internal server error' });
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return;
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}
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res.json({
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code:'200',
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data:results,
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});
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});
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});
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router.get('/process_get', function (req, res) {
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// 输出 JSON 格式
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var response = {
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"first_name":req.query.first_name,
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"last_name":req.query.last_name
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};
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console.log(response);
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res.end(JSON.stringify(response));
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})
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// 创建 application/x-www-form-urlencoded 编码解析
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const urlencodedParser = bodyParser.urlencoded({ extended: false })
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router.post('/process_post', urlencodedParser, function (req, res) {
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// 输出 JSON 格式
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var response = {
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"first_name":req.body.first_name,
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"last_name":req.body.last_name
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};
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console.log(response);
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res.end(JSON.stringify(response));
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})
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router.post('/file_upload', function (req, res) {
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console.log(req.files[0]); // 上传的文件信息
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const des_file = "/Users/admin/tmp/" + req.files[0].originalname;
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fs.readFile( req.files[0].path, function (err, data) {
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fs.writeFile(des_file, data, function (err) {
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if( err ){
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console.log( err );
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}else{
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response = {
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message:'File uploaded successfully',
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filename:req.files[0].originalname
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};
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}
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console.log( response );
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res.end( JSON.stringify( response ) );
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});
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});
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})
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router.get('/getCookies', function(req, res) {
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console.log("Cookies: " + util.inspect(req.cookies));
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res.end( JSON.stringify( util.inspect(req.cookies) ) );
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})
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module.exports = router
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