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// 引入express
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const express = require("express");
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// 创建网站服务器
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const app = express();
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// 路由
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app.get("/",(req,res,next)=>{
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console.log(res)
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req.name="何琋";
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next();//没有next（）方法，程序匹配到后就会停止，next（）会继续
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});
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app.get("/",(req,res)=>{
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res.send(req.name);
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});
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// 开启服务器监听
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app.listen(80); |
