浏览器发送axios请求，服务器接收后控制数据库进行增删改查
浏览器
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>blog</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script src="https://cdn.bootcss.com/axios/0.19.2/axios.min.js"></script>
</head>
<body>
<div id="app">
username:<input type="text" v-model="username">
password:<input type="password" v-model="password"><br>
<button @click="getList">getList</button>
<button @click="postList">PostList</button>
</div>
<script>
Vue.prototype.axios = axios;
let vm = new Vue({
el:"#app",
data(){
return{
i:0,
username:'',
password:'',
}
},
methods:{
getList(){
this.axios.get('/bannertable')
.then(res => {
console.log(res)
})
.catch(err => console.log(err))
},
postList(){
this.axios.post('/upload',{
"username":this.username,
"password":this.password
})
.then(res => console.log(res))
.catch(err=> console.log(err))
}
}
})
</script>
</body>
</html>
服务器
const express = require("express");
const mysql = require("mysql");
const fs = require("fs");
const bodyParser = require('body-parser');
const querystring = require('querystring');
let server = express();
server.use(bodyParser.urlencoded())
let db = mysql.createPool({
host:'localhost',
user:'root',
password:'136136',
//database:'blog',
database:'20200322',
port:3306//端口号默认3306，不写即默认，可写
})
server.get('/bannertable',function(req,res){
//db.query('SELECT * FROM `bannertable`;',function(err,data){
db.query('SELECT * FROM `usertable`;',function(err,data){
if(err)
console.log(err);
else
res.send(data);
})
})
let str = [];
server.post('/upload',function(req,res){
req.on('data', function(data) {
str.push(data)
});
req.on('end', function() {
res.send(str);
let s = str.toString().match(/\w+/g);
console.log(s)
let username = s[1];
let password = s[3];
db.query("INSERT INTO `usertable` (`ID`,`username`,`password`) VALUES(0,'"+username+"','"+password+"');",function(err,data){
if(err)
console.log(err);
else
console.log(data);
})
})
})
server.use('/',(req,res,next)=>{
fs.readFile('./blog.html',function(err,data){
if(err)
console.log(err);
else
res.write(data);
res.end();
});
})
server.listen(8080);
