Javascript 节点js呈现帖子数据和原始html
今天我刚开始学习node.js,我正在尝试使用EJS模板引擎呈现post数据和原始html 我试图根据stats中的if-else-if语句呈现post数据和原始html 我不确定这是否可以做到,所以我希望有人能告诉我这是否可以 app.js:Javascript 节点js呈现帖子数据和原始html,javascript,node.js,Javascript,Node.js,今天我刚开始学习node.js,我正在尝试使用EJS模板引擎呈现post数据和原始html 我试图根据stats中的if-else-if语句呈现post数据和原始html 我不确定这是否可以做到,所以我希望有人能告诉我这是否可以 app.js: const express = require('express'); const bodyParser = require('body-parser'); const app = express(); app.use(bodyParser.urlen
const express = require('express');
const bodyParser = require('body-parser');
const app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json({ extended: true }));
app.set('view engine', 'ejs');
app.get("/", (req, res) => {
res.render(__dirname + "/views/index");
});
app.post('/stats', (req, res) => {
var first_name = req.body.firstname;
var last_name = req.body.lastname;
if (!first_name) {
var html_code = "<b>You didn't add a first name</b>";
res.render(__dirname + "/views/stats", {
htmlcode: html_code
});
} else if (!last_name) {
var html_code = "<b>You didn't add a last name</b>";
res.render(__dirname + "/views/stats", {
htmlcode: html_code
});
} else if (first_name && last_name) {
var html_code = "<b>First name is </b><%= first_name %> <br> <b>Last name is </b><%= last_name %>";
res.render(__dirname + "/views/stats", {
htmlcode: html_code,
firstname: first_name,
lastname: last_name
});
}
});
const listener = app.listen(process.env.PORT, () => {
console.log("Your app is listening on port " + listener.address().port);
});
const express=require('express');
const bodyParser=require('body-parser');
常量app=express();
use(bodyParser.urlencoded({extended:true}));
use(bodyParser.json({extended:true}));
应用程序集(“查看引擎”、“ejs”);
app.get(“/”,(请求,res)=>{
res.render(uu dirname+“/views/index”);
});
app.post('/stats',(req,res)=>{
var first_name=req.body.firstname;
var last_name=req.body.lastname;
如果(!名字){
var html_code=“您没有添加名字”;
res.render(uu dirname+“/views/stats”{
htmlcode:html\u代码
});
}如果(!姓氏){
var html_code=“您没有添加姓氏”;
res.render(uu dirname+“/views/stats”{
htmlcode:html\u代码
});
}else if(名字和姓氏){
var html_code=“名字是
姓是”;
res.render(uu dirname+“/views/stats”{
htmlcode:html\U代码,
名字:名字,
姓氏:姓氏
});
}
});
const listener=app.listen(process.env.PORT,()=>{
log(“您的应用程序正在侦听端口”+listener.address().port);
});
视图/index.ejs:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Send Stats</title>
</head>
<body>
<form action="https://server.com/stats" method="POST">
firstname: <input type="text" name="firstname" /><br/>
lastname: <input type="text" name="lastname" /><br/>
<button type="submit">Send</button>
</form>
</body>
</html>
发送统计数据
名字:
姓氏:
发送
视图/stats.ejs:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>name stats</title>
</head>
<body>
<div><%= htmlcode %></div>
</body>
</html>
姓名统计
输出:
<b>First name is </b><%= first_name %> <br> <b>Last name is </b><%= last_name %>
名字是
姓是
更改
var html_code = "<b>First name is </b><%= first_name %> <br> <b>Last name is </b><%= last_name %>";
要了解更多信息,请阅读它看起来不错。你测试过服务器了吗?是的,我在服务器上测试过,上面的输出就是我看到的。哦,谢谢!但是现在的输出是这样的:名字是John
姓是Doe我还看到html标记吗?使用
var html_code = `<b>First name is </b>${first_name} <br> <b>Last name is </b>${last_name}`;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>name stats</title>
</head>
<body>
<div><b>First name is </b><%= first_name %> <br> <b>Last name is </b><%= last_name %></div>
</body>
</html>