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20 lines
337 B

const express = require("express")
const app = express()
app.use(fun())
// 注意这里直接调用函数,所以直接加括号
function fun(){
return (req,res,next)=>{
console.log(req.url);
console.log(req.method);
next()
}
}
app.get("/",(req,res)=>{
res.send("xsxaxasxasx")
})
app.listen(80)