first commit

server/comman/db.js

@@ -0,0 +1,204 @@
+const mysql = require('mysql')
+
+const db = mysql.createPool({
+    host: '127.0.0.1',
+    user: 'root',
+    password: '',
+    database: 'remotemqtt',
+})
+let queryacy = function( sql, values ) {
+    // 返回一个 Promise
+    return new Promise(( resolve, reject ) => {
+        db.getConnection(function(err, connection) {
+            if (err) {
+                reject( err )
+            } else {
+                connection.query(sql, values, ( err, rows) => {
+
+                    if ( err ) {
+                        reject( err )
+                    } else {
+                        resolve( rows )
+                    }
+                    // 结束会话
+                    //console.log(sql);
+                    connection.release()
+                })
+            }
+        })
+    })
+}
+
+
+
+
+
+
+
+
+
+// const sqlite3 = require('sqlite3').verbose()
+// //打开或者创建一个数据库
+
+
+// var db = new sqlite3.Database(
+//     './db.sqlite3', 
+//     sqlite3.OPEN_READWRITE, 
+//     function (err) {
+//         if (err) {
+//             return console.log(err.message)
+//         }
+       
+//     }
+// )
+//  resetpath=async function(path)
+// {
+    
+//     db = new sqlite3.Database(
+//         path, 
+//         sqlite3.OPEN_READWRITE, 
+//         function (err) {
+//             if (err) {
+//                 return console.log(err.message)
+//             }
+//             console.log('connect database successfully')
+//         }
+//     )
+//     db.run("CREATE TABLE IF NOT EXISTS remoteswitch (\
+//         `AUTOID` INTEGER PRIMARY KEY AUTOINCREMENT,\
+//         `id` tinytext NOT NULL,\
+//         `type` tinytext NOT NULL,\
+//         `tips` text NOT NULL,\
+//         `other` text NOT NULL,\
+//        `switch1` tinyint(1) NOT NULL,\
+//         `switch2` tinyint(1) NOT NULL,\
+//         `switch3` tinyint(1) NOT NULL,\
+//         `switch4` tinyint(1) NOT NULL,\
+//         `is4G` tinyint(1) NOT NULL,\
+//         `device` tinytext DEFAULT NULL)",(err)=>{console.log(err);
+// })
+// }
+
+
+
+// // db.query=db.run
+// //如果不存在	remoteswitch	表则创建 并打印创建成功 如果错误则打印错误
+
+// function ConvertoKeyValue(data)
+// {
+
+//     let fields = [];
+//     let fields1 = [];
+//     let fields2 = [];
+//     for (let key in data) {
+//       // 如果值是字符串，需要用引号包裹
+//       let value = typeof data[key] === 'string' ? `'${data[key]}'` : data[key];
+//       fields1.push(key);
+//         fields2.push( value);
+
+//     }
+
+//     fields.push(fields1.join(","))
+//     fields.push(fields2.join(","))
+//     return fields
+// }
+// function ConvertoKeyEQValue(data)
+// {
+
+//     let fields = [];
+
+//     for (let key in data) {
+//       // 如果值是字符串，需要用引号包裹
+//       let value = typeof data[key] === 'string' ? `'${data[key]}'` : data[key];
+//         fields.push(key+"="+value);
+
+//     }
+
+   
+   
+//     return fields.join(",")
+// }
+
+db.query("CREATE TABLE IF NOT EXISTS remoteswitch (\
+    AUTOID INT AUTO_INCREMENT PRIMARY KEY,\
+    id TINYTEXT NOT NULL,\
+    type TINYTEXT NOT NULL,\
+    tips TEXT NOT NULL,\
+    other TEXT NOT NULL,\
+    switch1 TINYINT(1) NOT NULL,\
+    switch2 TINYINT(1) NOT NULL,\
+    switch3 TINYINT(1) NOT NULL,\
+    switch4 TINYINT(1) NOT NULL,\
+    is4G TINYINT(1) NOT NULL,\
+    device TINYTEXT DEFAULT NULL\
+)",(err)=>{;
+      })
+
+
+    
+
+// db.all("CREATE TABLE IF NOT EXISTS remoteswitch1 (\
+//     `AUTOID` INTEGER PRIMARY KEY AUTOINCREMENT,\
+//     `id` tinytext NOT NULL,\
+//     `type` tinytext NOT NULL,\
+//     `tips` text NOT NULL,\
+//     `other` text NOT NULL,\
+//    `switch1` tinyint(1) NOT NULL,\
+//     `switch2` tinyint(1) NOT NULL,\
+//     `switch3` tinyint(1) NOT NULL,\
+//     `switch4` tinyint(1) NOT NULL,\
+//     `is4G` tinyint(1) NOT NULL,\
+//     `device` tinytext DEFAULT NULL)",(err)=>{console.log(err);
+//       })
+
+
+// let init=async function()
+// {
+//     db.run("CREATE TABLE IF NOT EXISTS remoteswitch (\
+//   `AUTOID` INTEGER PRIMARY KEY AUTOINCREMENT,\
+//   `id` tinytext NOT NULL,\
+//   `type` tinytext NOT NULL,\
+//   `tips` text NOT NULL,\
+//   `other` text NOT NULL,\
+//  `switch1` tinyint(1) NOT NULL,\
+//   `switch2` tinyint(1) NOT NULL,\
+//   `switch3` tinyint(1) NOT NULL,\
+//   `switch4` tinyint(1) NOT NULL,\
+//   `is4G` tinyint(1) NOT NULL,\
+//   `device` tinytext DEFAULT NULL)",(err)=>{console.log(err);
+//     console.log("remoteswitch table created")})
+  
+// }
+
+
+// let queryacy = function( sql, values ) {
+//     // 返回一个 Promise
+//     return new Promise(( resolve, reject ) => {
+//         db.getConnection(function(err, connection) {
+//             if (err) {
+//                 reject( err )
+//             } else {
+//                 connection.query(sql, values, ( err, rows) => {
+
+//                     if ( err ) {
+//                         reject( err )
+//                     } else {
+//                         resolve( rows )
+//                     }
+//                     // 结束会话
+//                     //console.log(sql);
+//                     connection.release()
+//                 })
+//             }
+//         })
+//     })
+// }
+
+
+// db.resetpath=resetpath
+// db.query=db.all
+db.queryacy=  queryacy
+// db.init=init
+// db.ConvertoKeyValue=ConvertoKeyValue
+// db.ConvertoKeyEQValue=ConvertoKeyEQValue
+module.exports = db