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  • node的express参数获取

    1.express中的不定向路由参数的获取

    如:

    app.get('/profile/:id', function(req, res) {
        var id=req.params.id
        res.send(id)
    });

    要用req.params属性获取

    2.express中get传参数获取

    如:

    代码:

    app.get('/', function(req, res) {
       var user = req.query.user
        res.send(user)
    });

    要用req.query获取

    3.express中post参数的获取

    如:

    <form action="http://127.0.0.1:8081/process_post" method="POST">
        First Name: <input type="text" name="first_name">  <br>
        Last Name: <input type="text" name="last_name">
        <input type="submit" value="Submit">
    </form>
    

      

    var express = require('express');
    var app = express();
    var bodyParser = require('body-parser');
    // 创建 application/x-www-form-urlencoded 编码解析
    var urlencodedParser = bodyParser.urlencoded({ extended: false })
    app.post('/process_post', urlencodedParser, function (req, res) {
       // 输出 JSON 格式
       response = {
           first_name:req.body.first_name,
           last_name:req.body.last_name
       };
       console.log(response);
       res.end(JSON.stringify(response));
    })
    

     

    要用到body-parser中间件,获取用req.body加变量名

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  • 原文地址:https://www.cnblogs.com/jack-liu6/p/8888896.html
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