我试图用SQL Server设置nodejs rest api . 我设法使我的GET方法起作用,但PUT根本没有响应 . 我用邮递员这样调用PUT方法:http://localhost:8080/api/user/1?firstname=John . 我做错了什么?
var express = require("express");
var bodyParser = require("body-parser");
var sql = require("mssql");
var app = express();
// Body Parser Middleware
app.use(bodyParser.json());
// CORS Middleware
app.use(function (req, res, next) {
// Enabling CORS
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Methods", "GET,HEAD,OPTIONS,POST,PUT");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, contentType,Content-Type, Accept, Authorization");
next();
});
// Setting up server
var server = app.listen(process.env.PORT || 8080, function () {
var port = server.address().port;
console.log("App now running on port", port);
});
// Initiallising connection string
var dbConfig = { ... };
//Function to connect to database and execute query
var executeQuery = function(res, query) {
new sql.ConnectionPool(dbConfig).connect().then(pool => {
return pool.request().query(query)
}).then(result => {
let rows = result.recordset
res.setHeader('Access-Control-Allow-Origin', '*')
res.status(200).json(rows);
sql.close();
}).catch(err => {
res.status(500).send({ message: "${err}"})
sql.close();
});
}
// GET API
app.get("/api/user/:id", function(req , res, next) {
var query = "Select * from TestTable where id= " + req.params.id;
executeQuery (res, query);
});
// PUT API
app.put("/api/user/:id", function(req , res, next) {
var query = "UPDATE TestTable SET firstname= " + req.body.firstname + " WHERE Id= " + req.params.id;
executeQuery (res, query);
});
1 回答
您的请求处理程序处理请求的主体 .
为了使您的请求工作,您需要提供包含JSON正文的正确PUT请求 . 卷曲版本看起来像: