我正在使用节点,express, mysql在服务器端的应用程序工作。我在服务器.js文件上写了几个api,当我试图访问那些使用邮差然后req。body总是未定义的
这是我的server.js配置。
var express = require('express');
var mysql = require('mysql');
var cors = require('cors');
var bodyParser = require('body-parser');
var wrench = require("wrench");
var fs = require('fs');
var path = require("path");
var mkdirp = require('mkdirp');
var walk = require('walk');
var fse = require('fs-extra');
var multipart = require('connect-multiparty');
var multipartMiddleware = multipart();
var crypto = require('crypto');
app.use(cors());
app.use(bodyParser.urlencoded({limit: '50mb',extended: false}));
app.use(bodyParser.json({limit: '50mb'}));
var connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: 'pass',
database: 'dbname'
});
connection.connect(function(err) {
if (!err) {
console.log("Database is connected ... nn");
} else {
console.log("Error connecting database ... nn");
}
});
app.post('/urlreq', function(req, res){
console.log(req.body);
}
app.listen(3000, function(){
console.log("Rest Demo Listening on port 3000");
});
当我试图在邮差发送身体的东西,然后请求。正文在服务器端为空
如果你发送的是multipart/form-data
,它不工作,因为bodyparser
不处理这种身体类型。
在这种情况下,添加以下行应该可以修复它:
app.use(multipartMiddleware);
形成文档:
multipart/form-data
是web表单用来传输数据的默认编码
尝试添加:
var express = require('express');
var app = express();
[...]
// Last stack
app.listen(3000, function(){
console.log("Rest Demo Listening on port 3000");
});
也可以用作中间件。还要监听端口。在代码中添加以下行-
var app = express();
app.use(function(req, res, next) {
console.log('Current User:', req.body);
next();
});
app.post('/url', function(req,res){
console.log(req.body)
});
app.listen(3000, function(){
console.log('Express server listening on port 3000');
});