snake/login.js

var mysql  = require('mysql');  //导入mysql包
/* */
var connection = mysql.createConnection({    
  host     : 'localhost',      
  user     : 'root',             
  password : '',      
  port: '3306',                  
  database: 'reji'
});
  
connection.connect();

var xlsx = require('node-xlsx');
var data = [];
var express = require('express');
var app = express();
var fs = require("fs");
var bodyParser = require('body-parser');
var urlencodedParser = bodyParser.urlencoded({
        extended: false
      })
var multer  = require('multer');
var execSync = require("child_process").execSync;
const res = require('express/lib/response');
app.use(express.static('./'));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(multer({ dest: '/tmp/'}).array('image'));
app.get('/', function (req, res) {
    res.sendFile( __dirname + "/" + "index.html" );
})
app.get('/index.html', function (req, res) {
    res.sendFile( __dirname + "/" + "index.html" );
})
app.post('/login',urlencodedParser,function (req,res) {
    var response = {
       "account":req.body.account,
       "password":req.body.password,
    };
    var selectSQL = "select account,password from user where account = '"+req.body.account+"' and password = '"+req.body.password+"'";
    //var selectSQL = "select password from user where account='"+req.body.account+"'";
    var  addSqlParams = [req.body.account,req.body.password];
      connection.query(selectSQL,function (err, result) {
        if(err){
         console.log('[login ERROR] - ',err.message);
         return;
        }
        //console.log(result);
        if(result=='')
        {
            console.log("帐号密码错误");
            res.end("The account does not exist or the password is wrong!");//如果登录失败就给客户端返回0，
        }
        else
        {
            console.log("OK");
            
            res.redirect("./upload.html");
        }
});
    console.log(response);
})
app.post('/register.html', function (req, res) {
    res.sendFile( __dirname + "/" + "register.html" );
 })
  
 //注册模块
var  addSql = 'INSERT INTO user(account,password,name) VALUES(?,?,?)';
  
app.post('/process_get', urlencodedParser,function (req, res) {
   
    // 输出 JSON 格式
    var response = {
        "account":req.body.account,
        "password":req.body.password,
        "name":req.body.name
    };
    var  addSqlParams = [req.body.account,req.body.password,req.body.name];
    connection.query(addSql,addSqlParams,function (err, result) {
         if(err){
          console.log('[INSERT ERROR] - ',err.message);
          res.end("Registration failed, please do not use illegal password or account!");//如果注册失败就给客户端返回0
          return;//如果失败了就直接return不会继续下面的代码
        }
         res.redirect("./index.html");//如果注册成功就给客户端返回1,并跳转到登录界面
         console.log("OK");
});
    console.log(response);
})
app.post('/file_upload', function (req, res) {

    console.log(req.files[0]);  // 上传的文件信息
 
    var des_file = __dirname + "/" + "Test" + "/" + "/" + "ceshi" + "/" + req.files[0].originalname;
    fs.readFile( req.files[0].path, function (err, data) {
         fs.writeFile(des_file, data, function (err) {
          if( err ){
               console.log( err );
          }else{
                response = {
                    message:'File uploaded successfully', 
                    filename:req.files[0].originalname
               };
           }
           console.log( response );
           res.end( JSON.stringify( response ) );
        });
    });
})
app.post('/file_upload2', function (req, res) {

    console.log(req.files[0]);  // 上传的文件信息
 
    var des_file = __dirname + "/" + "Test" + "/" + "ceshi" + "/" + req.files[0].originalname;
    fs.readFile( req.files[0].path, function (err, data) {
         fs.writeFile(des_file, data, function (err) {
          if( err ){
               console.log( err );
          }else{
                response = {
                    message:'File uploaded successfully', 
                    filename:req.files[0].originalname
               };
           }
           console.log( response );
           res.end( JSON.stringify( response ) );
        });
    });
})
function execute(cmd){
    
    execSync(cmd,{ cwd:'./Test'}, function (error, stdout, stderr){
        if (error){
            console.error(error);
        }
        else{
            console.log("executing success!")
            
        }
    })
}
app.post('/test', function(req, res){
    //execute('python manager.py --client_ip 192.168.254.129 --client_username u20m --client_password 123456 --server_ip 192.168.254.128 --server_username u20m --server_password 123456');
    //res.send("测试完成，返回查看测试结果");
    //开始匹配游戏 ---------------------------------------------
})
/*var data = fs.readFile('Test/result.txt','utf-8',function(err,data){
    if(err){
        console.error(err);
    }
    else{
        console.log(data);
    }
});*/
connection.query('SELECT * from rank', function(err, rows, fields) {
    if(rows)
        {
            for(var i = 0; i < rows.length; i++)
            {
                var arr=[];
                var value=rows[i];
                for(var j in value){
                    arr.push(value[j]);
                }
                data.push(arr);
            }
        }
        var buffer = xlsx.build([
            {
                name:'sheet1',
                data:data
            }
        ]);
        fs.writeFileSync('test1.xlsx',buffer,{'flag':'w'});
});

app.post('/bigbutton', function (req, res) {
    

    res.sendFile( __dirname + "/" + "test1.xlsx");
    //res.sendFile( __dirname + "/" + "Test" + "/" + "result.txt" );、
    //数据库排行榜------------------------------------------------------
 })


 app.post('/return', function (req, res) {
    res.redirect("./index.html");
 })

var server = app.listen(3000, function () {
  
    var host = server.address().address
    var port = server.address().port
        
    console.log("应用实例，访问地址为 http://%s:%s", host, port)
    
})