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仅从Node.js MySQL结果对象获取值_Mysql_Node.js_Express - Fatal编程技术网

仅从Node.js MySQL结果对象获取值

仅从Node.js MySQL结果对象获取值,mysql,node.js,express,Mysql,Node.js,Express,我试图从MySQL列中获取不同值的列表,并在单个JSON数组中返回这些值 我现在有这个代码: app.get('/experiences/',函数(req,res){ res.setHeader('Access-Control-Allow-Origin',http://localhost:3000'); connection.query('从问题中选择不同的体验',函数(err,data){ err?res.send(err):res.json(数据); }); }); 我希望结果如下所示:

我试图从MySQL列中获取不同值的列表,并在单个JSON数组中返回这些值

我现在有这个代码:

app.get('/experiences/',函数(req,res){
res.setHeader('Access-Control-Allow-Origin',http://localhost:3000');
connection.query('从问题中选择不同的体验',函数(err,data){
err?res.send(err):res.json(数据);
});
});
我希望结果如下所示:

{experience: ["1-3","1-5","5+"]}
但目前看来:

[{"experience":"1-3"},{"experience":"1-5"},{"experience":"5+"}]

您可以重新格式化通过在数组上循环获得的数据对象,并以正确的格式重新创建对象。
像这样:

connection.query('SELECT DISTINCT experience FROM questions', function(err, data) {
    if(err)
        res.send(err)
    else {
        let experiences = [];
        data.forEach(function(
            experiences.push(d.experience);
        }
        result = {experience : experiences };
        res.json(result);
    }
});