mysql用户分配权限
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express添加mysql数据库配置和数据的增删改查
一、安装MySQL模块:1npm install mysql
二、配置数据库连接参数(dbconfig.js)12345678//mysql配置文件var mysql = { host: "xx.xxx.xx.xxx", //这是数据库的地址 user: "xxx", //需要用户的名字 password: "xxx", //用户密码 ,如果你没有密码,直接双引号就是 database: "xxx" //数据库名字} module.exports = mysql; //用module.exports暴露出这个接口
三、连接数据库(index.js)1、查询1234567891011121314151617var mysql = require('mysql')var dbConfig = require('../config/dbconfig')router.get('/db',functio ...
Express 配置HTML页面访问
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使用Python快速监控网站状态
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css里面的var变量的使用方式示例演示
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background-position实现background-image背景图片偏移
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浅谈vue cli2 与 vue cli3
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node.js关于一个js文件引用另一个js文件里面的函数或者数组变量
很多时候我们在写一个主文件或者其他文件的时候难免需要写一些函数,可能有些时候这些函数会很长,那么如果写在一起会导致整个文件很长,可维护性和可读性都不太好,所以我们需要拆分来引入,这样可以大大降低我们的文件代码量。
node.js中跨文件的数据使用目前知道的有以下两种方式:global变量例:1.js 中有
12345function debug(){ console.log('debug');}global.debug = debug;
2.js中require 1.js之后就可以直接调用函数debug了 如下:
123require('1.js');debug();
exports方式1.js中有
123var array = 'this is debug';module.exports.array = array;
2.js中require 1.js但是要使用一个对象接它, 例子如下:
123var t= require('1.js');console.log(t.ar ...
nodejs+Ajax访问路由,返回json数据
以用户登录为例,直接上代码。
123456789101112131415161718192021//js操作 Ajax请求代码$("#login-submit").click(function(){ //do something var loginData={}; loginData.userName=$("#userName").val(); loginData.userPassword=$("#userPassword").val(); console.log(loginData); $.ajax({ data: loginData, url: '/login', type:"post", dataType: 'JSON', succ ...
MySQL出现了数据库的表被锁定的解决办法
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