-
# 基于NodeJs操作MySQL实现基础操作
-----
## 实现数据库的增删改查
----
### 代码篇
```
const mysql = require('mysql');
const connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: '1234567890',
database: 'Demo'
});
connection.connect();
var addSql =
-
# 利用puppeteer采集百度数据,并写入json文件
---
## 代码篇,属于日常采集篇,后期会mongdb来存贮数据
----
```
const puppeteer = require("puppeteer");
const fs = require('fs');
(async()=>{
try{
const browser = await puppeteer.launch({
headless:true,
args: [
'–disable-gpu', // GPU硬件加速
'–d
-
# 安装node
---
```bash
cd /usr/local/src/
wget http://nodejs.org/dist/v0.10.24/node-v0.10.24.tar.gz
tar zxvf node-v0.10.24.tar.gz
cd node-v0.10.24
./configure --prefix=/usr/local/node/0.10.24
make
make install
node -v
```
![file](/static/upload/bigpic/