44 lines
996 B
JavaScript
44 lines
996 B
JavaScript
|
const express = require('express');
|
||
|
const router = express.Router();
|
||
|
const sql = require('mssql');
|
||
|
|
||
|
router.get('/', async function(req, res, next) {
|
||
|
res.setHeader('Content-Type', 'image/jpeg');
|
||
|
|
||
|
let id = req.query.id;
|
||
|
let idVal = parseInt(id);
|
||
|
if (isNaN(idVal)) {
|
||
|
res.end();
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
try {
|
||
|
let pool = await sql.connect(dbConfig);
|
||
|
|
||
|
let sqlQuery = "select productName, productImage from product where productId = @id";
|
||
|
|
||
|
result = await pool.request()
|
||
|
.input('id', sql.Int, idVal)
|
||
|
.query(sqlQuery);
|
||
|
|
||
|
if (result.recordset.length === 0) {
|
||
|
console.log("No image record");
|
||
|
res.end();
|
||
|
return;
|
||
|
} else {
|
||
|
let productImage = result.recordset[0].productImage;
|
||
|
|
||
|
res.write(productImage);
|
||
|
}
|
||
|
|
||
|
res.end()
|
||
|
} catch(err) {
|
||
|
console.dir(err);
|
||
|
res.write(err + "")
|
||
|
res.end();
|
||
|
}
|
||
|
});
|
||
|
|
||
|
module.exports = router;
|
||
|
|