使用nodejs语言来开发 石头剪刀布游戏

//使用nodejs语言来开发 石头剪刀布游戏
var http = require('http');
var querystring = require('querystring');
var url = require('url'); 
var express=require('express')
var app=express() 
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session'); 
app.use(cookieParser());
app.use(session({
  secret: '12345',
  name: 'name',
  cookie: {maxAge: 60000},
  resave: false,
  saveUninitialized: true,
})); 
app.get('/',function(req,res){
    res.setHeader('Content-Type','text/html;charset=UTF-8'); 
    var get=url.parse(req.url,true).query; 
    var nSelf=88,nComputer=88,msg="VS",sResult; 
    if(get.action!="" && get.action!=undefined){
        nSelf=parseInt(get.nSelf);
        nComputer=parseInt(get.nComputer);
        var n=Math.round(Math.random()*2)+1;
        selfAction=handleSJB(get.action);
        computerAction=handleSJB(n)
        if( (selfAction=="石头"&&computerAction=="剪刀")||(selfAction=="剪刀"&&computerAction=="布")||(selfAction=="布"&&computerAction=="石头") ){
            nSelf++;nComputer--
            sResult="<font color=green>你赢了</font>"
        }else if( (selfAction=="石头"&&computerAction=="布")||(selfAction=="剪刀"&&computerAction=="石头")||(selfAction=="布"&&computerAction=="剪刀") ){
            nSelf--;nComputer++
            sResult="<font color=red>你输了</font>"
        }else{
            sResult="<font color=gray>平局</font>"
        }

        msg=computerAction + " VS " + selfAction + "<br>"+sResult
        req.session.recordList=req.session.recordList+computerAction + " VS " + selfAction + "=" +sResult + "("+nSelf+")<br>"
    }else{
        msg="VS"
        req.session.recordList=''
    } 
    res.write('<style>#computer{float:left;}');
    res.write('#vs{float:left;width:140px; font-weight:bold;text-align:center;}');
    res.write('#self{float:left;}');
    res.write('#action a{line-height:30px;padding:8px;}</style>');
    res.write('<div id="computer">电脑<br>'+nComputer+'币</div>');
    res.write('<div id="vs">'+msg+'</div>');
    res.write('<div id="self">玩家<br>'+nSelf+'币</div>');
    res.write('<div style="clear:both"></div>')
    res.write('<div id="action"><a href="?action=1&nComputer='+nComputer+'&nSelf='+nSelf+'">石头</a>');
    res.write('<a href="?action=2&nComputer='+nComputer+'&nSelf='+nSelf+'">剪刀</a>');
    res.write('<a href="?action=3&nComputer='+nComputer+'&nSelf='+nSelf+'">布</a>');
    res.write('<a href="?">重置</a></div><div id="record">'+req.session.recordList+'</div>');  
    res.end() 
})
function handleSJB(n){
    if(n==1){
        return '石头';    
    }else if(n==2){
        return '剪刀';    
    }else if(n==3){
        return '布';
    }
    return "";    
}  
app.listen(3001, function () {
    console.log("listen on port 3001");
});

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