![](/img/trans.png)
[英]Express JS route with POST request returns 404 Cannot GET error in Postman
[英]Cannot GET /the route Error , in REST Postman
我正在嘗試使用 Postman 創建一個簡單的 REST api
創建產品表並插入一行
create database mydb
use mydb
create table product(id int,name varchar(20),description varchar(20),price int)
insert into product values(1,"Bag","good",2000);
[代碼目錄][1]
[1]: https://i.stack.imgur.com/lZKS6.png
[db-properties.js]
module.exports={
host:'localhost',
user:'root',
password:'Harini@123',
dbName:'mydb'
}
[數據庫連接.js]
var dbProps=require("./db-properties");
var mysql=require("mysql");
module.exports={getConnection:()=>{
return mysql.createConnection({
host:dbProps.host,
user:dbProps.user,
password:dbProps.password,
database:dbProps.dbName
});
}
}
[product.controller.js]
var dbcon=require("../config/db-connection");
var connection=dbcon.getConnection();
connection.connect();
var express=require("express");
var router=express.Router();
router.get("/",(req,res)=>{
dbcon.query("select * from product",(error,results,fields)=>{
if(error){
console.error("Error while fetching data");
}
else{
res.send(results);
}
}
)
})
module.exports=router;
[服務器.js]
var express=require("express");
var app=express();
var productAPI=require("./controller/product.controller");
app.use("api/products",productAPI);
const PORT = process.env.PORT || 8080;
app.listen(PORT, () => {
console.log(`Server is running on port ${PORT}.`);
});
// app.listen(8080);
// console.log("server up and running on port 8080");
使用節點服務器啟動服務器后
在 postman 如果我嘗試 GET 和 url localhost:8080/api/products 我得到
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot GET /api/products</pre>
</body>
</html>
我做錯了什么以及如何糾正它? 謝謝
代替
app.use("api/products",productAPI);
添加 /
app.use("/api/products",productAPI);
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