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javascript - 在 nodeJS 中导出

转载 作者:行者123 更新时间:2023-11-30 22:25:03 26 4
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好的,我有路线:

var express = require('express');
var router = express.Router();
var articles = require('../model/articles.js');

router.get('/all', function(req, res, next) {
res.json(articles.getAll());
console.log( "From route: " + articles.getAll());
});
module.exports = router;

而且,我有模型:

var mysql = require("mysql");
var con = mysql.createConnection({
host: "localhost",
user: "rest_news",
password: "rest_news",
database: "rest_news"
});
exports.getAll = function () {
con.query('SELECT * FROM articles', function(err, rows){
if(err) {
return err;
} else {
console.log("From model: " + rows);
return rows;
}
});
};

我需要从 mysql 中获取所有文章,我正在使用该模型 文章 和方法 getAll()。我在控制台中看到的内容:

From route: undefined
GET /article/all 200 22.802 ms - -
From model: [object Object],[object Object]
From model: [object Object],[object Object]

getAll() 第二次起作用了,为什么?

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