使用Node.js，GET，正文解析器从GET请求中解析正文? [英] Parse body from GET request using nodejs, express, body-parser?

问题描述

是否可以使用express检索body内容?

Is it possible to retrieve the body contents using express?

我从尝试body-parser开始，但似乎不适用于GET.有没有可行的模块?

I started by trying body-parser but that doesn't seem to work with GET. Are there any modules which would work?

var express = require('express'),
  bodyParser = require('body-parser'),
  PORT = process.env.PORT || 4101,
  app = express();

app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

app.route('/')
  .get(function(req, res) {
    respond(req, res, 'GET body contents:\n');
  })
  .post(function(req, res) {
    respond(req, res, 'POST body contents:\n');
  });

app.listen(PORT, function(err) {
  if (err) {
    console.log('err on startup ' + err);
    return;
  }
  console.log('Server listening on port ' + PORT);
});

/*
 * Send a response back to client
 */
function respond(req, res, msg){
  res.setHeader('Content-Type', 'text/plain');
  res.write(msg);
  res.end(JSON.stringify(req.body, null, 2));
}

这是来自GET的回复:

GET body contents:
{}

并且来自POST:

POST body contents:
{
    "gggg": ""
}

推荐答案

GET请求没有正文，它们具有查询字符串.为了访问expressJS中的查询字符串，您应该使用req.query对象.

GET requests don't have a body, they have query strings. In order to access a query string in expressJS you should use the req.query object.

res.end(JSON.stringify(req.query, null, 2));

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