• 五子棋js

    http://www.jb51.net/article/35993.htm

    <!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;">
<title>五子棋</title>
<link rel="stylesheet" type="text/css" href="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/reset.css">
<script type="text/javascript" src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/CookieHandle.js"></script>
<script type="text/javascript" src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/jquery-1.7.2.js"></script>
<style>
.wrapper {
width: 600px;
position: relative;
}
/* 棋盘 */
div.chessboard {
margin: 30px 0 0 50px;
width: 542px;
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/chessboard.png) no-repeat 14px 14px rgb(250, 250, 250);
overflow: hidden;
box-shadow: 2px 2px 8px #888;
-webkit-box-shadow: 2px 2px 8px #888;
-moz-box-shadow: 2px 2px 8px #888;
}
div.chessboard div {
float: left;
width: 36px;
height: 36px;
border-top: 0px solid #ccc;
border-left: 0px solid #ccc;
border-right: 0;
border-bottom: 0;
cursor: pointer;
}
/* 棋子 */
div.chessboard div.black {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/black.png) no-repeat 4px 4px;
}
div.chessboard div.white {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/white.png) no-repeat 4px 4px;
}
div.chessboard div.hover {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover.png) no-repeat 1px 1px;
}
div.chessboard div.hover-up {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up.png) no-repeat 1px 1px;
}
div.chessboard div.hover-down {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down.png) no-repeat 1px 1px;
}
div.chessboard div.hover-up-left {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up_left.png) no-repeat 1px 1px;
}
div.chessboard div.hover-up-right {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up_right.png) no-repeat 1px 1px;
}
div.chessboard div.hover-left {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_left.png) no-repeat 1px 1px;
}
div.chessboard div.hover-right {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_right.png) no-repeat 1px 1px;
}
div.chessboard div.hover-down-left {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down_left.png) no-repeat 1px 1px;
}
div.chessboard div.hover-down-right {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down_right.png) no-repeat 1px 1px;
}
div.chessboard div.white-last {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/white_last.png) no-repeat 4px 4px;
}
div.chessboard div.black-last {
background: url(http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/black_last.png) no-repeat 4px 4px;
}
/* 右侧 */
div.operating-panel {
position: absolute;
left: 610px;
top: 150px;
width: 200px;
text-align: center;
}
.operating-panel a {
display: inline-block;
padding: 10px 15px;
margin-bottom: 39px;
margin-right: 8px;
margin-left: 8px;
background: rgb(100, 167, 233);
text-decoration: none;
color: #333;
font-weight: bold;
font-size: 16px;
font-family: "微软雅黑", "宋体";
}
.operating-panel a:hover {
background: rgb(48, 148, 247);
text-decoration: none;
}
.operating-panel a.disable, .operating-panel a.disable:hover {
cursor: default;
background: rgb(197, 203, 209);
color: rgb(130, 139, 148);
}
.operating-panel a.selected {
border: 5px solid #F3C242;
padding: 5px 10px;
}
#result_tips {
color: #CE4242;
font-size: 26px;
font-family: "微软雅黑";
}
#result_info {
margin-bottom: 26px;
}
</style>
<script>
$(document).ready(function() {
    fiveChess.init();
});
var fiveChess = {
    NO_CHESS: 0,
    BLACK_CHESS: -1,
    WHITE_CHESS: 1,
    chessArr: [],
    //记录棋子
    chessBoardHtml: "",
    humanPlayer: "black",
    //玩家棋子颜色
    AIPlayer: "white",
    //AI棋子颜色
    isPlayerTurn: true,
    //轮到player下棋
    totalGames: cookieHandle.getCookie("totalGames") || 0,
    //总局数
    winGames: cookieHandle.getCookie("winGames") || 0,
    //玩家赢局数
    isGameStart: false,
    //游戏已经开始
    isGameOver: false,
    //游戏结束
    playerLastChess: [],
    //玩家最后下子位置
    AILastChess: [],
    //AI最后下子位置
    init: function() {
        this.chessBoardHtml = $("div.chessboard").html();
        var _fiveChess = this;
        //右侧操作按钮
        $(".operating-panel a").click(function(event) {
            event.preventDefault();
            var id = $(this).attr("id");
            if (_fiveChess.isGameStart && id !== "replay_btn") {
                return;
            } //正在游戏 不操作
            switch (id) {
            case "black_btn":
                _fiveChess.humanPlayer = "black";
                _fiveChess.AIPlayer = "white";
                break;
            case "white_btn":
                _fiveChess.humanPlayer = "white";
                _fiveChess.AIPlayer = "black";
                break;
            case "first_move_btn":
                _fiveChess.isPlayerTurn = true;
                break;
            case "second_move_btn":
                _fiveChess.isPlayerTurn = false;
                break;
            case "replay_btn":
                _fiveChess.resetChessBoard();
                if (_fiveChess.isGameStart) { //点重玩
                    _fiveChess.gameOver();
                } else { //点开始
                    _fiveChess.gameStart();
                }
                break;
            }
            if (id !== "replay_btn") {
                $(this).addClass("selected").siblings().removeClass("selected");
            }
        });
        this.resetChessBoard();
        $("#result_info").html("胜率：" + (this.winGames * 100 / this.totalGames | 0) + "%");
    },
    //重置棋盘
    resetChessBoard: function() {
        $("div.chessboard").html(this.chessBoardHtml);
        $("#result_tips").html("");
        this.isGameOver = false;
        this.isPlayerTurn = $("#first_move_btn").hasClass("selected");
        //初始化棋子状态
        var i, j;
        for (i = 0; i < 15; i++) {
            this.chessArr[i] = [];
            for (j = 0; j < 15; j++) {
                this.chessArr[i][j] = this.NO_CHESS;
            }
        }
        //player下棋事件
        var _fiveChess = this;
        $("div.chessboard div").click(function() {
            if (!_fiveChess.isPlayerTurn || _fiveChess.isGameOver) {
                return;
            }
            if (!_fiveChess.isGameStart) {
                _fiveChess.gameStart();
            }
            var index = $(this).index(),
            i = index / 15 | 0,
            j = index % 15;
            if (_fiveChess.chessArr[i][j] === _fiveChess.NO_CHESS) {
                _fiveChess.playChess(i, j, _fiveChess.humanPlayer);
                if (i === 0 && j === 0) {
                    $(this).removeClass("hover-up-left");
                } else if (i === 0 && j === 14) {
                    $(this).removeClass("hover-up-right");
                } else if (i === 14 && j === 0) {
                    $(this).removeClass("hover-down-left");
                } else if (i === 14 && j === 14) {
                    $(this).removeClass("hover-down-right");
                } else if (i === 0) {
                    $(this).removeClass("hover-up");
                } else if (i === 14) {
                    $(this).removeClass("hover-down");
                } else if (j === 0) {
                    $(this).removeClass("hover-left");
                } else if (j === 14) {
                    $(this).removeClass("hover-right");
                } else {
                    $(this).removeClass("hover");
                }
                _fiveChess.playerLastChess = [i, j];
                _fiveChess.playerWinOrNot(i, j);
            }
        });
        //鼠标在棋盘上移动效果
        $("div.chessboard div").hover(function() {
            if (!_fiveChess.isPlayerTurn || _fiveChess.isGameOver) {
                return;
            }
            var index = $(this).index(),
            i = index / 15 | 0,
            j = index % 15;
            if (_fiveChess.chessArr[i][j] === _fiveChess.NO_CHESS) {
                if (i === 0 && j === 0) {
                    $(this).addClass("hover-up-left");
                } else if (i === 0 && j === 14) {
                    $(this).addClass("hover-up-right");
                } else if (i === 14 && j === 0) {
                    $(this).addClass("hover-down-left");
                } else if (i === 14 && j === 14) {
                    $(this).addClass("hover-down-right");
                } else if (i === 0) {
                    $(this).addClass("hover-up");
                } else if (i === 14) {
                    $(this).addClass("hover-down");
                } else if (j === 0) {
                    $(this).addClass("hover-left");
                } else if (j === 14) {
                    $(this).addClass("hover-right");
                } else {
                    $(this).addClass("hover");
                }
            }
        },
        function() {
            if (!_fiveChess.isPlayerTurn || _fiveChess.isGameOver) {
                return;
            }
            var index = $(this).index(),
            i = index / 15 | 0,
            j = index % 15;
            if (i === 0 && j === 0) {
                $(this).removeClass("hover-up-left");
            } else if (i === 0 && j === 14) {
                $(this).removeClass("hover-up-right");
            } else if (i === 14 && j === 0) {
                $(this).removeClass("hover-down-left");
            } else if (i === 14 && j === 14) {
                $(this).removeClass("hover-down-right");
            } else if (i === 0) {
                $(this).removeClass("hover-up");
            } else if (i === 14) {
                $(this).removeClass("hover-down");
            } else if (j === 0) {
                $(this).removeClass("hover-left");
            } else if (j === 14) {
                $(this).removeClass("hover-right");
            } else {
                $(this).removeClass("hover");
            }
        });
    },
    gameStart: function() {
        this.totalGames++;
        cookieHandle.setCookie({
            name: "totalGames",
            value: this.totalGames,
            expiresHours: 365 * 24
        });
        //AI先手
        if (!this.isPlayerTurn) {
            this.AImoveChess();
        }
        this.isGameStart = true;
        $(".operating-panel p a").addClass("disable");
        $("#replay_btn").html("重玩");
    },
    gameOver: function() {
        this.isGameStart = false;
        $(".operating-panel a").removeClass("disable");
        $("#replay_btn").html("开始");
        $("#result_info").html("胜率：" + (this.winGames * 100 / this.totalGames | 0) + "%");
    },
    //下棋 i行，j列，color颜色
    playChess: function(i, j, color) {
        this.chessArr[i][j] = color === "black" ? this.BLACK_CHESS: this.WHITE_CHESS;
        if (color === this.AIPlayer) {
            $("div.chessboard div." + color + "-last").addClass(color).removeClass(color + "-last");
            $("div.chessboard div:eq(" + (i * 15 + j) + ")").addClass(color + "-last");
        } else {
            $("div.chessboard div:eq(" + (i * 15 + j) + ")").addClass(color);
        }
    },
    //玩家是否取胜
    playerWinOrNot: function(i, j) {
        var nums = 1,
        //连续棋子个数
        chessColor = this.humanPlayer === "black" ? this.BLACK_CHESS: this.WHITE_CHESS,
        m,
        n;
        //x方向
        for (m = j - 1; m >= 0; m--) {
            if (this.chessArr[i][m] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        for (m = j + 1; m < 15; m++) {
            if (this.chessArr[i][m] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            this.playerWin();
            return;
        } else {
            nums = 1;
        }
        //y方向
        for (m = i - 1; m >= 0; m--) {
            if (this.chessArr[m][j] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1; m < 15; m++) {
            if (this.chessArr[m][j] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            this.playerWin();
            return;
        } else {
            nums = 1;
        }
        //左斜方向
        for (m = i - 1, n = j - 1; m >= 0 && n >= 0; m--, n--) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1, n = j + 1; m < 15 && n < 15; m++, n++) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            this.playerWin();
            return;
        } else {
            nums = 1;
        }
        //右斜方向
        for (m = i - 1, n = j + 1; m >= 0 && n < 15; m--, n++) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1, n = j - 1; m < 15 && n >= 0; m++, n--) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            this.playerWin();
            return;
        }
        this.AImoveChess();
    },
    playerWin: function() {
        this.winGames++;
        cookieHandle.setCookie({
            name: "winGames",
            value: this.winGames,
            expiresHours: 365 * 24
        });
        this.showResult(true);
        this.gameOver();
    },
    //AI下棋
    AImoveChess: function() {
        this.isPlayerTurn = false;
        var maxX = 0,
        maxY = 0,
        maxWeight = 0,
        i, j, tem;
        for (i = 14; i >= 0; i--) {
            for (j = 14; j >= 0; j--) {
                if (this.chessArr[i][j] !== this.NO_CHESS) {
                    continue;
                }
                tem = this.computeWeight(i, j);
                if (tem > maxWeight) {
                    maxWeight = tem;
                    maxX = i;
                    maxY = j;
                }
            }
        }
        this.playChess(maxX, maxY, this.AIPlayer);
        this.AILastChess = [maxX, maxY];
        if ((maxWeight >= 100000 && maxWeight < 250000) || (maxWeight >= 500000)) {
            this.showResult(false);
            this.gameOver();
        } else {
            this.isPlayerTurn = true;
        }
    },
    showResult: function(isPlayerWin) {
        if (isPlayerWin) {
            $("#result_tips").html("恭喜你获胜！");
        } else {
            $("#result_tips").html("哈哈，你输咯！");
        }
        this.isGameOver = true;
        this.showWinChesses(isPlayerWin);
    },
    //标记显示获胜棋子
    showWinChesses: function(isPlayerWin) {
        var nums = 1,
        //连续棋子个数
        lineChess = [],
        //连续棋子位置
        i,
        j,
        chessColor,
        m,
        n;
        if (isPlayerWin) {
            chessColor = this.humanPlayer === "black" ? this.BLACK_CHESS: this.WHITE_CHESS;
            i = this.playerLastChess[0];
            j = this.playerLastChess[1];
        } else {
            chessColor = this.AIPlayer === "black" ? this.BLACK_CHESS: this.WHITE_CHESS;
            i = this.AILastChess[0];
            j = this.AILastChess[1];
        }
        $("div.chessboard div." + this.AIPlayer + "-last").addClass(this.AIPlayer).removeClass(this.AIPlayer + "-last");
        //x方向
        lineChess[0] = [i];
        lineChess[1] = [j];
        for (m = j - 1; m >= 0; m--) {
            if (this.chessArr[i][m] === chessColor) {
                lineChess[0][nums] = i;
                lineChess[1][nums] = m;
                nums++;
            } else {
                break;
            }
        }
        for (m = j + 1; m < 15; m++) {
            if (this.chessArr[i][m] === chessColor) {
                lineChess[0][nums] = i;
                lineChess[1][nums] = m;
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            for (k = nums - 1; k >= 0; k--) {
                this.markChess(lineChess[0][k] * 15 + lineChess[1][k], isPlayerWin ? this.humanPlayer: this.AIPlayer);
            }
            return;
        }
        //y方向
        nums = 1;
        lineChess[0] = [i];
        lineChess[1] = [j];
        for (m = i - 1; m >= 0; m--) {
            if (this.chessArr[m][j] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = j;
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1; m < 15; m++) {
            if (this.chessArr[m][j] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = j;
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            for (k = nums - 1; k >= 0; k--) {
                this.markChess(lineChess[0][k] * 15 + lineChess[1][k], isPlayerWin ? this.humanPlayer: this.AIPlayer);
            }
            return;
        }
        //左斜方向
        nums = 1;
        lineChess[0] = [i];
        lineChess[1] = [j];
        for (m = i - 1, n = j - 1; m >= 0 && n >= 0; m--, n--) {
            if (this.chessArr[m][n] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = n;
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1, n = j + 1; m < 15 && n < 15; m++, n++) {
            if (this.chessArr[m][n] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = n;
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            for (k = nums - 1; k >= 0; k--) {
                this.markChess(lineChess[0][k] * 15 + lineChess[1][k], isPlayerWin ? this.humanPlayer: this.AIPlayer);
            }
            return;
        }
        //右斜方向
        nums = 1;
        lineChess[0] = [i];
        lineChess[1] = [j];
        for (m = i - 1, n = j + 1; m >= 0 && n < 15; m--, n++) {
            if (this.chessArr[m][n] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = n;
                nums++;
            } else {
                break;
            }
        }
        for (m = i + 1, n = j - 1; m < 15 && n >= 0; m++, n--) {
            if (this.chessArr[m][n] === chessColor) {
                lineChess[0][nums] = m;
                lineChess[1][nums] = n;
                nums++;
            } else {
                break;
            }
        }
        if (nums >= 5) {
            for (k = nums - 1; k >= 0; k--) {
                this.markChess(lineChess[0][k] * 15 + lineChess[1][k], isPlayerWin ? this.humanPlayer: this.AIPlayer);
            }
        }
    },
    markChess: function(pos, color) {
        $("div.chessboard div:eq(" + pos + ")").removeClass(color).addClass(color + "-last");
    },
    //下子到i，j X方向 结果: 多少连子 两边是否截断
    putDirectX: function(i, j, chessColor) {
        var m, n, nums = 1,
        side1 = false,
        side2 = false;
        for (m = j - 1; m >= 0; m--) {
            if (this.chessArr[i][m] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[i][m] === this.NO_CHESS) {
                    side1 = true;
                }
                break;
            }
        }
        for (m = j + 1; m < 15; m++) {
            if (this.chessArr[i][m] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[i][m] === this.NO_CHESS) {
                    side2 = true;
                }
                break;
            }
        }
        return {
            "nums": nums,
            "side1": side1,
            "side2": side2
        };
    },
    //下子到i，j Y方向 结果
    putDirectY: function(i, j, chessColor) {
        var m, n, nums = 1,
        side1 = false,
        side2 = false;
        for (m = i - 1; m >= 0; m--) {
            if (this.chessArr[m][j] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][j] === this.NO_CHESS) {
                    side1 = true;
                }
                break;
            }
        }
        for (m = i + 1; m < 15; m++) {
            if (this.chessArr[m][j] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][j] === this.NO_CHESS) {
                    side2 = true;
                }
                break;
            }
        }
        return {
            "nums": nums,
            "side1": side1,
            "side2": side2
        };
    },
    //下子到i，j XY方向 结果
    putDirectXY: function(i, j, chessColor) {
        var m, n, nums = 1,
        side1 = false,
        side2 = false;
        for (m = i - 1, n = j - 1; m >= 0 && n >= 0; m--, n--) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][n] === this.NO_CHESS) {
                    side1 = true;
                }
                break;
            }
        }
        for (m = i + 1, n = j + 1; m < 15 && n < 15; m++, n++) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][n] === this.NO_CHESS) {
                    side2 = true;
                }
                break;
            }
        }
        return {
            "nums": nums,
            "side1": side1,
            "side2": side2
        };
    },
    putDirectYX: function(i, j, chessColor) {
        var m, n, nums = 1,
        side1 = false,
        side2 = false;
        for (m = i - 1, n = j + 1; m >= 0 && n < 15; m--, n++) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][n] === this.NO_CHESS) {
                    side1 = true;
                }
                break;
            }
        }
        for (m = i + 1, n = j - 1; m < 15 && n >= 0; m++, n--) {
            if (this.chessArr[m][n] === chessColor) {
                nums++;
            } else {
                if (this.chessArr[m][n] === this.NO_CHESS) {
                    side2 = true;
                }
                break;
            }
        }
        return {
            "nums": nums,
            "side1": side1,
            "side2": side2
        };
    },
    //计算下子至i,j的权重
    computeWeight: function(i, j) {
        var weight = 14 - (Math.abs(i - 7) + Math.abs(j - 7)),
        //基于棋盘位置权重
        pointInfo = {},
        //某点下子后连子信息
        chessColor = this.AIPlayer === "black" ? this.BLACK_CHESS: this.WHITE_CHESS;
        //x方向
        pointInfo = this.putDirectX(i, j, chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, true); //AI下子权重
        pointInfo = this.putDirectX(i, j, -chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, false); //player下子权重
        //y方向
        pointInfo = this.putDirectY(i, j, chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, true); //AI下子权重
        pointInfo = this.putDirectY(i, j, -chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, false); //player下子权重
        //左斜方向
        pointInfo = this.putDirectXY(i, j, chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, true); //AI下子权重
        pointInfo = this.putDirectXY(i, j, -chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, false); //player下子权重
        //右斜方向
        pointInfo = this.putDirectYX(i, j, chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, true); //AI下子权重
        pointInfo = this.putDirectYX(i, j, -chessColor);
        weight += this.weightStatus(pointInfo.nums, pointInfo.side1, pointInfo.side2, false); //player下子权重
        return weight;
    },
    //权重方案 独：两边为空可下子，单：一边为空
    weightStatus: function(nums, side1, side2, isAI) {
        var weight = 0;
        switch (nums) {
        case 1:
            if (side1 && side2) {
                weight = isAI ? 15 : 10; //独一
            }
            break;
        case 2:
            if (side1 && side2) {
                weight = isAI ? 100 : 50; //独二
            } else if (side1 || side2) {
                weight = isAI ? 10 : 5; //单二
            }
            break;
        case 3:
            if (side1 && side2) {
                weight = isAI ? 500 : 200; //独三
            } else if (side1 || side2) {
                weight = isAI ? 30 : 20; //单三
            }
            break;
        case 4:
            if (side1 && side2) {
                weight = isAI ? 5000 : 2000; //独四
            } else if (side1 || side2) {
                weight = isAI ? 400 : 100; //单四
            }
            break;
        case 5:
            weight = isAI ? 100000 : 10000; //五
            break;
        default:
            weight = isAI ? 500000 : 250000;
            break;
        }
        return weight;
    }
};
</script>
</head>
<body>
<div class="wrapper">
<div class="chessboard">
    <!-- top line -->
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top"></div>
    <div class="chess-top chess-right"></div>
    <!-- line 1 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 2 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 3 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 4 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 5 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 6 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 7 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 8 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 9 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 10 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 11 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- line 12 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>                        
    <!-- line 13 -->
    <div class="chess-left"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-middle"></div>
    <div class="chess-right"></div>
    <!-- bottom line -->
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
    <div class="chess-bottom"></div>
<div class="chess-bottom chess-right"></div>
</div>
<div class="operating-panel">
    <p>
    <a id="black_btn" class="btn selected" href="#">黑子</a>
    <a id="white_btn" class="btn" href="#">白子</a>
    </p>
    <p>
    <a id="first_move_btn" class="btn selected" href="#">先手</a>
    <a id="second_move_btn" class="btn" href="#">后手</a>
    </p>
    <a id="replay_btn" class="btn" href="#">开始</a>
    <p id="result_info">胜率：100%</p>
    <p id="result_tips"></p>
</div>
<div style="display: none">
<!-- 图片需合并 减少http请求数 -->
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/black.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/white.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up_left.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_up_right.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_left.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_right.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down_left.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/hover_down_right.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/black_last.png" alt="preload" />
<img src="http://sandbox.runjs.cn/uploads/rs/102/r2dy3tyw/white_last.png" alt="preload" />
</div>
</div>
</body>
</html>
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  • 原文地址：https://www.cnblogs.com/guazi/p/6573744.html
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