first commit

历届学生/王凯/18-11-23/src/model/index.js

@@ -0,0 +1,24 @@
+const mysql = require('mysql');
+const config = require('../config');
+class Mysql {
+
+  constructor() {
+    this.pool = mysql.createPool(config.MysqlConfig)
+  }
+
+  query (params) {
+    return new Promise((resolve,reject) => {
+      this.pool.query(params.sql, params.par ? params.par : [], function (error, results, fields) {
+        if (error) {
+          throw error;
+          reject(error)
+        } else {
+          config.ApiStatusCode.success.data = results
+          results.length == 0 ? resolve(config.ApiStatusCode.errors) : resolve(config.ApiStatusCode.success);
+        }
+      })
+    })
+  }
+}
+
+module.exports = new Mysql()