NodeJS+html5+css3 带人机对战和人人对战的 五子棋

先说先五子棋的思想就是练成5个就胜出

用了博弈树但是由于是JS语言的关系程序才2层而已，心思都放在了估值函数上。

各个情况的权有些是参照网上的不过自己改了下而且感觉自己写的估值函数不错发上来跟大家分享下，本人是小白程序还写的不太好，js只学了几天。

下面放出服务器代码，客户端代码就不发了（没什么参考价值）.

var server = require('http').createServer();var io = require('socket.io')(server);var users = {};var rooms = {};var TypeRecord = null;//位置评分/*TypeRecord = [        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],        [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],        [0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0],        [0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 5, 5, 5, 5, 5, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 5, 6, 6, 6, 5, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 5, 6, 7, 6, 5, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 5, 6, 6, 6, 5, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 5, 5, 5, 5, 5, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 0],        [0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0],        [0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0],        [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]; //初始化权值表        */TypeRecord = [    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],    [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]; //初始化权值表io.on('connection', function (socket) {    //console.log("有一个客户段连接！");    console.log(socket.id);    socket.join("public");    //用户登录    socket.on('user.online', function (user) {        user.roomname = "public";        users[user.id] = user;        //console.log(socket.id);        //广播用户列表（包括自己）        io.sockets.emit("user.online", getUsers());        //发送房间信息给自己        socket.emit("room.rooms", getRooms());    });    //发送对话    socket.on('chat.send', function (data) {        var user = users[socket.id.replace("/#", "")];        //转发给同一房间(除了自己)其他客户端处理        socket.in(user.roomname).emit("chat.newchat", data);    });    //创建房间    socket.on('room.create', function (roomname) {        if (rooms[roomname]) {//查看是否有同名的房间            socket.emit("room.failure");        } else {            var user = users[socket.id.replace("/#", "")];            if (user.roomname != "public") {                socket.emit("room.failure");                return;            }            socket.leave(user.roomname);            user.roomname = roomname;            socket.join(user.roomname);            user.status = 2;            var room = {                roomname: roomname,                play1: user,                play2: null,                history: []//记录下棋历史            }            rooms[roomname] = room;            socket.emit("room.createOk", room);            //广播房间            socket.in("public").emit("room.rooms", getRooms());            //广播用户列表（包括自己）            io.sockets.emit("user.online", getUsers());        }    });    //加入房间    socket.on('room.join', function (roomname) {        var room = rooms[roomname];        if (room.play2) {//查看房间是否已经满了            socket.emit("joinFaild");            return;        }        var user = users[socket.id.replace("/#", "")];        socket.leave(user.roomname);//离开房间        user.roomname = roomname;//修改信息        socket.join(user.roomname);//加入房间        room.play2 = user;//play2指向user        user.status = 2;        //返回房间创建成功        socket.emit("room.joinOk", room);        //广播信息(除了自己)告诉房主我加入了        socket.in(roomname).emit("room.createOk", room);        //广播用户列表（包括自己）        io.sockets.emit("user.online", getUsers());    });    //离开房间    socket.on('room.out', function () {        var user = users[socket.id.replace("/#", "")];        var room = rooms[user.roomname];        if (user.status == 2) {//在房间的时候离开房间            socket.leave(room.roomname);            socket.join("public");            user.status = 1;            user.roomname = "public";            if (room.play1.id == user.id) {//房主                if (room.play2) {                    var pl2 = users[room.play2.id];                    io.sockets.sockets["/#" + room.play2.id].leave(room.roomname);                    io.sockets.sockets["/#" + room.play2.id].join("public");                    pl2.status = 1;                    pl2.roomname = "public";                }                delete rooms[room.roomname];                //广播房间                io.sockets.in("public").emit("room.rooms", getRooms());            } else {//对手                room.play2 = null;                //告诉房主自己走了                socket.in(room.roomname).emit("room.createOk", room);                //自己获取房间列表                socket.emit("room.rooms", getRooms());            }        }        if (user.status == 3) {//在游戏中离开房间            socket.leave(room.roomname);            socket.join("public");            user.status = 1;            user.roomname = "public";            if (room.play1.id == user.id) {//房主                if (room.play2) {                    var pl2 = users[room.play2.id];                    pl2.status = 1;                    pl2.win += 1;                    pl2.total += 1;                    pl2.roomname = "public";                    room.play1 = null;                    //发送胜利消息                    io.sockets.in(room.roomname).emit("game.overBydisConnect", {                        winID: room.play2.id,                        room: room                    });                    socket.emit("game.overBydisConnect", {                        winID: room.play2.id,                        room: room                    });                    io.sockets.sockets["/#" + room.play2.id].leave(room.roomname);                    io.sockets.sockets["/#" + room.play2.id].join("public");                } else {                    socket.emit("game.overByComputer", {                        win: false,                        roomname: room.roomname,                        play1: null,                        play2: null                    });                }                delete rooms[room.roomname];                //广播房间                io.sockets.in("public").emit("room.rooms", getRooms());            } else {//对手                room.play1.win += 1;                room.play1.total += 1;                room.play1.status = 2;                room.play2 = null;                //发送胜利消息                io.sockets.in(room.roomname).emit("game.overBydisConnect", {                    winID: room.play1.id,                    room: room                });                socket.emit("game.overBydisConnect", {                    winID: room.play1.id,                    room: room                });                socket.emit("room.rooms", getRooms());            }        }        //广播用户列表（包括自己）        io.sockets.emit("user.online", getUsers());    });    //游戏开始    socket.on('game.start', function () {        var user = users[socket.id.replace("/#", "")];        var room = rooms[user.roomname];        room.play1.status = 3;        if (room.play2) {            room.play2.status = 3;        } else {            rooms[user.roomname] = {                roomname: room.roomname,                play1: user,                play2: null,                history: [],//记录下棋历史                currentBoardSituation: null,//记录当前局面                computer: {                    row: null,                    col: null                }            }            room = rooms[user.roomname];            room.currentBoardSituation = [];            for (var i = 0; i < 15; i++) {                var arr = [];                for (var j = 0; j < 15; j++) {                    arr[j] = -1;                }                room.currentBoardSituation.push(arr);            }        }        //广播用户列表（包括自己）        io.sockets.emit("user.online", getUsers());        //告诉自己游戏创建成功        socket.emit("game.start", 0);        //告诉同房间的对手游戏开始了 flag为1；        socket.in(user.roomname).emit("game.start", 1);    });    //游戏数据交互    socket.on('game.change', function (data) {        var user = users[socket.id.replace("/#", "")];        //添加下棋历史        var room = rooms[user.roomname];        var step = {            row: data.row,            col: data.col,            flag: data.flag        };        room.history.push(step);        if (!room.play2) {//判断是否是人机            room.currentBoardSituation[data.row][data.col] = data.flag;            MainDealFunction(room);//人机处理函数            step = {                row: room.computer.row,                col: room.computer.col,                flag: 1            };            room.currentBoardSituation[room.computer.row][room.computer.col] = 1;            room.history.push(step);            if (isGameOver(room.computer.row, room.computer.col, 1, room.currentBoardSituation)) {                socket.emit("game.change", {                    row: room.computer.row,                    col: room.computer.col,                    flag: 1                });                room.play1.status = 2;                socket.emit("user.online", getUsers());//告诉自己游戏结束了                socket.emit("game.overByComputer", {                    win: false,                    roomname: room.roomname,                    play1: room.play1,                    play2: null                });            } else {                socket.emit("game.change", {                    row: room.computer.row,                    col: room.computer.col,                    flag: 1                });            }        } else {            //告诉同房间的对手已经下一步棋了            socket.in(user.roomname).emit("game.change", data);        }    });    //游戏结束    socket.on('game.over', function () {        var user = users[socket.id.replace("/#", "")];        var room = rooms[user.roomname];        user.win += 1;        room.play1.total += 1;        room.play1.status = 2;        if (room.play2) {            room.play2.status = 2;            room.play2.total += 1;            //广播用户列表（包括自己）            io.sockets.emit("user.online", getUsers());            //发送同房间的对手游戏结束了            io.sockets.in(user.roomname).emit("game.over", {                winID: socket.id.replace("/#", ""),                room: room            });        } else {            socket.emit("user.online", getUsers());//告诉自己游戏结束了            socket.emit("game.overByComputer", {                win: true,                roomname: room.roomname,                play1: room.play1,                play2: null            });        }    });    //悔棋    socket.on('game.rollback', function () {        var user = users[socket.id.replace("/#", "")];        //删除一次下棋历史        var room = rooms[user.roomname];        if (room.history.length < 2) return;        io.sockets.in(room.roomname).emit("game.rollback", {            myStep: room.history[room.history.length - 1],            outerStep: room.history[room.history.length - 2]        });        delete room.history[room.history.length - 1];        delete room.history[room.history.length - 2];        room.history.length -= 2;    });    //    socket.on('event', function (data) {    });    //掉线处理    socket.on('disconnect', function () {        var user = users[socket.id.replace("/#", "")];        var room = rooms[user.roomname];        if (user.status == 2) {//在房间的时候掉线            if (room.play1.id == user.id) {//房主                if (room.play2) {                    var pl2 = users[room.play2.id];                    pl2.status = 1;                    pl2.roomname = "public";                    io.sockets.sockets["/#" + room.play2.id].leave(room.roomname);                    io.sockets.sockets["/#" + room.play2.id].join("public");                }                delete rooms[user.roomname];                //广播房间                socket.in("public").emit("room.rooms", getRooms());            } else {//对手                room.play2 = null;                //告诉房主自己走了                socket.in(user.roomname).emit("room.createOk", room);            }        }        if (user.status == 3) {//在游戏中掉线            if (room.play1.id == user.id) {//房主                if (room.play2) {                    var pl2 = users[room.play2.id];                    pl2.status = 1;                    pl2.win += 1;                    pl2.total += 1;                    pl2.roomname = "public";                    room.play1 = null;                    //发送胜利消息                    io.sockets.in(room.roomname).emit("game.overBydisConnect", {                        winID: room.play2.id,                        room: room                    });                    io.sockets.sockets["/#" + room.play2.id].leave(room.roomname);                    io.sockets.sockets["/#" + room.play2.id].join("public");                }                delete rooms[room.roomname];                //广播房间                socket.in("public").emit("room.rooms", getRooms());            } else {//对手                room.play1.win += 1;                room.play1.total += 1;                room.play1.status = 2;                room.play2 = null;                //发送胜利消息                io.sockets.in(room.roomname).emit("game.overBydisConnect", {                    winID: room.play1.id,                    room: room                });            }        }        delete users[socket.id.replace("/#", "")];        io.sockets.emit("user.online", getUsers());    });});function getUsers() {    var arr = [];    for (var key in users) {        arr.push(users[key]);    }    return arr;}function getRooms() {    var arr = [];    for (var key in rooms) {        arr.push(rooms[key]);    }    return arr;}function MainDealFunction(room) {    if (room.history.length == 1) {        var pi = room.history[room.history.length - 1].row;        var pj = room.history[room.history.length - 1].col;        room.computer.row = pi > 6 ? pi - 1 : pi + 1;        room.computer.col = pj > 6 ? pj - 1 : pj + 1;    } else {        AlphaBeta(room.currentBoardSituation, { row: room.history[room.history.length - 1].row, col: room.history[room.history.length - 1].col, flag: 0 }, 2, Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY, room.computer);    }    /*    var nAlpha = Number.NEGATIVE_INFINITY;//记录权重先初始化为一个很小的数 等等比较选最大的    for (var i = 1; i < 15; i++) {        for (var j = 1; j < 15; j++) {            if (-1 == room.currentBoardSituation[i][j]) {                room.currentBoardSituation[i][j] = 1;                var score = AlphaBeta(room.currentBoardSituation,{ row: i, col: j, flag: 1 }, 1, Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY) + TypeRecord[i][j];                room.currentBoardSituation[i][j] = -1;                if (score > nAlpha) {                    nAlpha = score;                    room.computer.row = i;                    room.computer.col = j;                }            }        }    }    */}function AlphaBeta(currentBoardSituation, point, nPly, nAlpha, nBeta, computer) {    if (isGameOver(point.row, point.col, point.flag, currentBoardSituation)) {        return 100000;    }    if (nPly == 0) {//到叶子了        return Eveluation(currentBoardSituation);    }    //var iMAX = point.row + 5 < 15 ? point.row + 5 : 15;    //var jMAX = point.col + 5 < 15 ? point.col + 5 : 15;    if (point.flag == 1) {//上一步是人还是机器，0是人，1是机器        //到人走min        //for (var i = (point.row - 5 > 0 ? point.row - 5 : 1); i < iMAX; i++) {//减少遍历次数        //for (var j = (point.col - 5 > 0 ? point.col - 5 : 1); j < jMAX; j++) {//减少遍历次数        for (var i = 1; i < 15; i++) {            for (var j = 1; j < 15; j++) {                if (-1 == currentBoardSituation[i][j]) {                    currentBoardSituation[i][j] = 0;                    var score = AlphaBeta(currentBoardSituation, { row: i, col: j, flag: 0 }, nPly - 1, nAlpha, nBeta, computer);                    currentBoardSituation[i][j] = -1;                    if (score < nBeta) {                        nBeta = score;                        if (nAlpha >= nBeta) {                            return nAlpha;                        }                    }                }            }        }        return nBeta;    } else {//到机器走max        //for (var i = (point.row - 5 > 0 ? point.row - 5 : 1); i < iMAX; i++) {//减少遍历次数        //for (var j = (point.col - 5 > 0 ? point.col - 5 : 1); j < jMAX; j++) {//减少遍历次数        for (var i = 1; i < 15; i++) {            for (var j = 1; j < 15; j++) {                if (-1 == currentBoardSituation[i][j]) {                    currentBoardSituation[i][j] = 1;                    var score = AlphaBeta(currentBoardSituation, { row: i, col: j, flag: 1 }, nPly - 1, nAlpha, nBeta, computer);                    TypeRecord[i][j] = score;                    currentBoardSituation[i][j] = -1;                    if (score > nAlpha) {                        nAlpha = score;                        computer.row = i;                        computer.col = j;                        if (nAlpha >= nBeta) {                            return nBeta;                        }                    }                }            }        }        return nAlpha;    }}function Eveluation(currentBoardSituation) {    return CountValue(currentBoardSituation, 1) - CountValue(currentBoardSituation, 0);}function CountValue(currentBoardSituation, flag) {    var result = 0;    //判断在横上的权    for (var i = 1; i < 15; i++) {        var begindown;//表示前面是不是死棋        var enddown;//表示相连棋子后面是不是死棋        var count = 0;        var oldcount = 0;        var kong = 0;        var j = 1;        while ((j < 15) && (currentBoardSituation[i][j] != flag)) {//找到第一个同类的棋子            j++;        }        while (j < 15) {//看有没有超越界限            begindown = true;            enddown = true;            count = 0;            if ((j > 1) && (-1 == currentBoardSituation[i][j - 1])) {                begindown = false;//表示棋子没死            }            while ((j < 15) && (currentBoardSituation[i][j] == flag)) {                j++;                count++;            }            if ((j < 15) && (-1 == currentBoardSituation[i][j])) {                enddown = false;            }            if (count > 0) {                result += CheckValue(begindown, enddown, count,oldcount, kong);                if (!enddown) kong = 1;                oldcount = count;            } else {                if (!enddown) kong++;            }            j++;        }    }    //判断在竖线上的权    for (var j = 1; j < 15; j++) {        var begindown;//表示前面是不是死棋        var enddown;//表示相连棋子后面是不是死棋        var count = 0;        var oldcount = 0;        var kong = 0;        var i = 1;        while ((i < 15) && (currentBoardSituation[i][j] != flag)) {//找到第一个黑子            i++;        }        while (i < 15) {//看有没有超越界限            begindown = true;            enddown = true;            count = 0;            if ((i > 1) && (-1 == currentBoardSituation[i - 1][j])) {                begindown = false;//表示棋子没死            }            while ((i < 15) && (currentBoardSituation[i][j] == flag)) {                i++;                count++;            }            if ((i < 15) && (-1 == currentBoardSituation[i][j])) {                enddown = false;            }            if (count > 0) {                result += CheckValue(begindown, enddown, count,oldcount, kong);                if (!enddown) kong = 1;                oldcount = count;            } else {                if (!enddown) kong++;            }            i++;        }    }    //判断在向左斜的斜线上？0    for (var k = 1; k < 15; k++) {        var begindown;//表示前面是不是死棋        var enddown;//表示相连棋子后面是不是死棋        var count = 0;        var oldcount = 0;        var kong = 0;        var i = k;        var j = 14;        while ((i < 15) && (j > 0) && (currentBoardSituation[i][j] != flag)) {//找到第一个黑子            i++;            j--;        }        while ((i < 15) && (j > 0)) {//看有没有超越界限            begindown = true;            enddown = true;            count = 0;            if ((j < 14) && (i > 1) && (-1 == currentBoardSituation[i - 1][j + 1])) {                begindown = false;//表示棋子没死            }            while ((i < 15) && (j > 0) && (currentBoardSituation[i][j] == flag)) {                i++;                j--;                count++;            }            if ((i < 15) && (j > 0) && (currentBoardSituation[i][j] == -1)) {                enddown = false;            }            if (count > 0) {                result += CheckValue(begindown, enddown, count,oldcount, kong);                if (!enddown) kong = 1;                oldcount = count;            } else {                if (!enddown) kong++;            }            i++;            j--;        }        kong = 0;        oldcount = 0;        if (k != 1) {            i = 1;            j = 15 - k;            while ((i < 15) && (j > 0) && (currentBoardSituation[i][j] != flag)) {//找到第一个黑子                i++;                j--;            }            while ((i < 15) && (j > 0)) {//看有没有超越界限                begindown = true;                enddown = true;                count = 0;                if ((j < 14) && (i > 1) && (-1 == currentBoardSituation[i - 1][j + 1])) {                    begindown = false;//表示棋子没死                }                while ((i < 15) && (j > 0) && (currentBoardSituation[i][j] == flag)) {                    i++;                    j--;                    count++;                }                if ((i < 15) && (j > 0) && (currentBoardSituation[i][j] == -1)) {                    enddown = false;                }                if (count > 0) {                    result += CheckValue(begindown, enddown, count,oldcount, kong);                    if (!enddown) kong = 1;                    oldcount = count;                } else {                    if (!enddown) kong++;                }                i++;                j--;            }        }    }    //判断在向右斜的斜线上？20：30    for (var k = 1; k < 15; k++) {        var begindown;//表示前面是不是死棋        var enddown;//表示相连棋子后面是不是死棋        var count;        var kong = 0;        var i = 1;        var j = k;        while ((i < 15) && (j < 15) && (currentBoardSituation[i][j] != flag)) {//找到第一个黑子            i++;            j++;        }        while ((i < 15) && (j < 15)) {//看有没有超越界限            begindown = true;            enddown = true;            count = 0;            if ((j > 1) && (i > 1) && (-1 == currentBoardSituation[i - 1][j - 1])) {                begindown = false;//表示棋子没死            }            while ((i < 15) && (j < 15) && (currentBoardSituation[i][j] == flag)) {                i++;                j++;                count++;            }            if ((i < 15) && (j < 15) && (currentBoardSituation[i][j] == -1)) {                enddown = false;            }            if (count > 0) {                result += CheckValue(begindown, enddown, count,oldcount, kong);                if (!enddown) kong = 1;                oldcount = count;            } else {                if (!enddown) kong++;            }            i++;            j++;        }        kong = 0;        if (k != 1) {            i = k;            j = 1;            while ((i < 15) && (j < 15) && (currentBoardSituation[i][j] != flag)) {//找到第一个黑子                i++;                j++;            }            while ((i < 15) && (j < 15)) {//看有没有超越界限                begindown = true;                enddown = true;                count = 0;                if ((j > 1) && (i > 1) && (-1 == currentBoardSituation[i - 1][j - 1])) {                    begindown = false;//表示棋子没死                }                while ((i < 15) && (j < 15) && (currentBoardSituation[i][j] == flag)) {                    i++;                    j++;                    count++;                }                if ((i < 15) && (j < 15) && (currentBoardSituation[i][j] == -1)) {                    enddown = false;                }                if (count > 0) {                    result += CheckValue(begindown, enddown, count,oldcount, kong);                    if (!enddown) kong = 1;                    oldcount = count;                } else {                    if (!enddown) kong++;                }                i++;                j++;            }        }    }    return result;}function CheckValue(begindown, enddown, count,oldcount,kong) {    var result = 0;    if ((!begindown) && (!enddown)) {//活        result = 10;    } else if ((begindown) && (!enddown)) {//眠        result = 1;    } else if ((!begindown) && (enddown)) {//眠        result = 1;    }    switch (count) {        case 0: result = 0; break;        case 1: break;//o        case 2: result *= 10; break;//oo        case 3: result *= 100; break;//ooo        case 4: result *= 1000; break;//oooo        case 5: result = 100000; break;//ooooo        default:    }    switch(oldcount){        case 0:break;        case 1:if(kong == 1){            switch(count){                case 1:result+=1;break;//o_o                case 2:result+=10;break;//o_oo                case 3:result+=100;break;//o_ooo                default:            }        }else if(kong == 2){            switch(count){                case 2:result+=1;break;//o__oo                case 3:result+=10;break;//o__ooo                default:            }        }        break;        case 2:if(kong == 1){            switch(count){                case 1:result+=10;break;//oo_o                case 2:result+=100;break;//oo_oo                case 3:result+=1000;break;//oo_ooo                default:            }        }else if(kong == 2){            switch(count){                case 2:result+=10;break;//oo__oo                case 3:result+=100;break;//oo__ooo                default:            }        }        break;        case 3:        if(kong == 1){            switch(count){                case 1:result+=100;break;//ooo_o                case 2:result+=1000;break;//ooo_oo                case 3:result+=1000;break;//ooo_ooo                default:            }        }else if(kong == 2){            switch(count){                case 2:result+=100;break;//ooo__oo                case 3:result+=1000;break;//ooo__ooo                default:            }        }        break;        case 4:        if(kong == 1){            switch(count){                case 1:result+=1000;break;//oooo_o                case 2:result+=1000;break;//oooo_oo                case 3:result+=1000;break;//oooo_ooo                default:            }        }else if(kong == 2){            switch(count){                case 2:result+=100;break;//oooo__oo                case 3:result+=1000;break;//oooo__ooo                default:            }        }        break;        case 5:break;       default:    }    return result;}function isGameOver(row, col, flag, data) {    var count = 1;    //上下    for (var i = row - 1; i >= 0; i--) {        if (data[i][col] == flag) {            count++;        } else {            break;        }    }    for (var i = row + 1; i < 15; i++) {        if (data[i][col] == flag) {            count++;        } else {            break;        }    }    if (count == 5) {        return true;    }    //左右    count = 1;    for (var j = col - 1; j >= 0; j--) {        if (data[row][j] == flag) {            count++;        } else {            break;        }    }    for (var j = col + 1; j < 15; j++) {        if (data[row][j] == flag) {            count++;        } else {            break;        }    }    if (count == 5) {        return true;    }    //从左上到右下    count = 1;    for (var i = row - 1, j = col - 1; i >= 0 && j >= 0; i-- , j--) {        if (data[i][j] == flag) {            count++;        } else {            break;        }    }    for (var i = row + 1, j = col + 1; i < 15 && j < 15; i++ , j++) {        if (data[i][j] == flag) {            count++;        } else {            break;        }    }    if (count == 5) {        return true;    }    //从右上到左下    count = 1;    for (var i = row - 1, j = col + 1; i >= 0 && j < 15; i-- , j++) {        if (data[i][j] == flag) {            count++;        } else {            break;        }    }    for (var i = row + 1, j = col - 1; i < 15 && j >= 0; i++ , j--) {        if (data[i][j] == flag) {            count++;        } else {            break;        }    }    if (count == 5) {        return true;    }    return false;}server.listen(3000);console.log("服务器开启！");