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                            ### 一.封裝
建文件,名為:`mssql_async.js`
~~~
var sqlserver = require('mssql');
var dbConfig = {
    server: '192.168.1.21',
    port: 1433,
    user: 'sa',
    password: '123456',
    database: 'demo'
};

var mssql_async= function (strsql) {
    return new Promise(function (resolve, reject) {
        sqlserver
            .connect(dbConfig)
            .then(function () {
                new sqlserver.Request()
                    .query(strsql)
                    .then(function (recordset) {
                        resolve(recordset);
                    })
                    .catch(function (err) {
                        reject(err);
                    });
            })
            .catch(function (err) {
                reject(err);
            });
    });
};
module.exports = mssql_async;

~~~
### 二.使用
~~~
var mssql_async= require("./mssql_async");

function getCategoory() {
  
    mssql_async("SELECT item_clsno,item_clsname from category").then(res=>{
        console.log(res); 
    }).catch(err=>{
        console.log(err)
    });
}

getCategoory()

~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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