javascript模拟Windows系统下的扫雷游戏

<style>
    ul{padding:0;list-style:none;}
    #mine{overflow:hidden;width:30px;height:30px;border:1px solid #966;}
    #mine li{float:left;width:30px;height:30px;line-height:30px;text-align:center;font-size:14px;color:#222;}
    #mine .mine_01{background:url(mine.gif) no-repeat;}
    #mine .mine_02{background:url(mine.gif) -30px 0 no-repeat;}
    #mine .mine_03{background:url(mine.gif) -60px 0 no-repeat;}
    #mine .mine_04{background:url(mine.gif) -90px 0 no-repeat;}
    #mine .mine_05{background:url(mine.gif) -120px 0 no-repeat;}
    #mine .mine_06{background:url(mine.gif) -150px 0 no-repeat;}
    #mine .mine_07{background:url(mine.gif) -180px 0 no-repeat;}

    #count{font-size:12px;}
    #time{color:#900;font-weight:bold;}
</style>
 <select id="wh">
  <option value="8*10">8*10</option>
  <option value="10*10">10*10</option>
  <option value="12*12">12*12</option>
 </select>
 <button id=‘ready‘>重新开始</button>
<div id="count">
  计时: <span id="time">0</span>
</div>

<ul id="mine">

</ul>

ie6+  ff oprea 谷歌
opera 早期版本 默认不支持document.oncontextmenu事件 没有找到好的替代方法
<script>
var $ = function(id){return document.getElementById(id)};
window.onload=function ready(){
    var V=$(‘wh‘).value.split(‘*‘)
    setMineField(Number(V[0]),Number(V[1]));
    
    $(‘wh‘).onchange=$(‘ready‘).onclick=function(){
        V=$(‘wh‘).value.split(‘*‘)
        setMineField(Number(V[0]),Number(V[1]))
    }
}
//---------------------------------------------------雷区
var mineField={
    _mineW:30,      //每一个雷的宽度 必须和样式同步
    _mineH:30,
    _mineFieldBlock:$(‘mine‘),
    _mineFieldEle:$(‘mine‘).getElementsByTagName(‘li‘),
    _time:$(‘time‘),
    
    status:0,      //雷区状态 0还没开始 1开始了 已经在计时了  2游戏结束了    
    mineNum:0,     //雷数
    clearPlace:0,  //统计扫除的格子;
    x:0,           //列
    y:0,           //行
    density:0.2,   //雷的密度 雷区密度不宜超过0.5 在有些尺寸的雷区下 过高的设置 无法生成mineMap数组
    mineMap:[],    //雷区的二维图,0 ： 不是雷   -1 ： 雷
    time:-1,       //计时 s
    debug:false     //调试模式
}//mineField object end

function timedCount(){
    if(mineField.status!=1){return false}
    mineField.time++;
    mineField._time.innerHTML=mineField.time;
    setTimeout("timedCount()",1000);
}
//--------------------------------------对雷的状态设置
function setThisMine(str,index){

    var allMine=mineField._mineFieldEle;
    //设置雷是否插旗
    if(str==‘setOn‘){
        var thisMine=allMine[index];
        thisMine.on=thisMine.on<2?thisMine.on+1:0;
        if(thisMine.on==1){thisMine.className=‘mine_03‘;}//插旗
        else if(thisMine.on==2){thisMine.className=‘mine_04‘}//取消插旗
        else if(thisMine.on==0){thisMine.className=‘mine_01‘}//取消插旗
        return false;
    }
    //显示方格
    if(str==‘show‘){
        if(Object.prototype.toString.call(index) === ‘[object Array]‘){//显示一大片
            mineField.clearPlace=mineField.clearPlace+index.length;
            for(var i=0;i<index.length;i++){
                var thisMine=allMine[index[i]];
                thisMine.innerHTML=mineField.mineMap[thisMine.index];
                thisMine.className=‘mine_02‘;
                thisMine.on=3;
            }
        }
        else{//显示单个非雷区域
            mineField.clearPlace++;
            allMine[index].on=3;
            allMine[index].innerHTML=mineField.mineMap[index];
            allMine[index].className=‘mine_02‘;
        }
        if(mineField.clearPlace==mineField.x*mineField.y-mineField.mineNum){//恭喜你
            alert(‘恭喜你‘);
            for(var i=0;i<allMine.length;i++){
                if(mineField.mineMap[allMine[i].index]==-1){
                    allMine[i].className=‘mine_07‘;
                }
            }
            mineField.status=2;
            return false;
        }
    }
    //显示全部雷
    if(str==‘peng‘){
            for(var i=0;i<allMine.length;i++){
                if(mineField.mineMap[allMine[i].index]==-1){
                    allMine[i].className=i==index?‘mine_06‘:‘mine_05‘;
                }
            }
            mineField.status=2;
    }
}
//-----------------------------------------------设置行数 和 列数
function setMineField(a,b){
        var thisMineFiele=mineField._mineFieldBlock;
        DivBox=document.createElement("div"),
        num=a*b,k=0;
        thisMineFiele.innerHTML=‘‘;
        //雷区参数调整
        mineField.x=a;//有几列
        mineField.y=b;//有几行
        mineField.mineNum=Math.floor(a*b*mineField.density);
        mineField.status=0;
        mineField.time=-1;
        mineField.clearPlace=0;
        mineField.mineMap.length=0;
        mineField._time.innerHTML=0;
                
        //生成雷区地图
        setMineMap();
        //生成雷区(创建li)
        while(k<num){
        var newLi=document.createElement("li");
        if(mineField.debug) newLi.innerHTML=mineField.mineMap[k];//作弊
        newLi.className=‘mine_01‘;
        DivBox.appendChild(newLi);
        k++;
        }
        thisMineFiele.style.height=mineField._mineW*b+‘px‘;
        thisMineFiele.style.width=mineField._mineH*a+‘px‘;
        thisMineFiele.innerHTML=DivBox.innerHTML;
        DivBox=null;
        setEvent();//事件
}
//-----------------------------------生成雷区地图
function setMineMap(){
        var num=mineField.x*mineField.y,
            mineNum=mineField.mineNum,
            Interval=Math.floor(num/mineNum);
        for(var i=0;i<num;i++){
            if(i%Interval==0&&i<mineNum*Interval){mineField.mineMap[i]=-1;}else{mineField.mineMap[i]=0;}//雷等距离分布与数组中
        }
        mineField.mineMap.sort(function(){ return 0.5 - Math.random()})//打乱数组
        
        //判断方格周围是否都是雷 如果是的话 要重新生成雷区 从而避免成片雷区的存在
        var br=0,//所在行
            x=mineField.x,
            L_T,T,R_T,L,R,L_B,B,R_B;
        for(var i=0;i<num;i++){
            br=Math.ceil((i+1)/x);
            L_T = i-x-1;
            T   = i-x;
            R_T = i-x+1;
            L   = i-1;
            R   = i+1;
            L_B = i+x-1;
            B   = i+x;
            R_B = i+x+1;
              //坐上角 如果在雷区 并且是在上一行 并且他不是雷 就进行下一方格检测
              if(L_T>=0&&Math.ceil((L_T+1)/x)==br-1&&mineField.mineMap[L_T]==0){continue}
              if(T  >=0&&Math.ceil((T  +1)/x)==br-1&&mineField.mineMap[T  ]==0){continue}
              if(R_T>=0&&Math.ceil((R_T+1)/x)==br-1&&mineField.mineMap[R_T]==0){continue}
              
              if(L>=0  &&Math.ceil((L+1)/x)==br&&mineField.mineMap[L]==0){continue}
              if(R<num&&Math.ceil((R+1)/x)==br&&mineField.mineMap[R]==0){continue}
              
              if(L_B<num&&Math.ceil((L_B+1)/x)==br+1&&mineField.mineMap[L_B]==0){continue}
              if(B  <num&&Math.ceil((B  +1)/x)==br+1&&mineField.mineMap[B  ]==0){continue}
              if(R_B<num&&Math.ceil((R_B+1)/x)==br+1&&mineField.mineMap[R_B]==0){continue}
              
              setMineMap();
              return false
        }
        //统计非雷方格周围的雷数
        for(i=0;i<num;i++){
              if(mineField.mineMap[i]==-1){continue}
              var thisMineNum=0
              br=Math.ceil((i+1)/x);
              L_T = i-x-1;
              T   = i-x;
              R_T = i-x+1;
              L   = i-1;
              R   = i+1;
              L_B = i+x-1;
              B   = i+x;
              R_B = i+x+1;
             
              if(L_T>=0&&Math.ceil((L_T+1)/x)==br-1&&mineField.mineMap[L_T]==-1){thisMineNum++;}
              if(T  >=0&&Math.ceil((T  +1)/x)==br-1&&mineField.mineMap[T  ]==-1){thisMineNum++;}
              if(R_T>=0&&Math.ceil((R_T+1)/x)==br-1&&mineField.mineMap[R_T]==-1){thisMineNum++;}
              
              if(L>=0  &&Math.ceil((L+1)/x)==br&&mineField.mineMap[L]==-1){thisMineNum++;}
              if(R<num&&Math.ceil((R+1)/x)==br&&mineField.mineMap[R]==-1){thisMineNum++;}
              
              if(L_B<num&&Math.ceil((L_B+1)/x)==br+1&&mineField.mineMap[L_B]==-1){thisMineNum++;}
              if(B  <num&&Math.ceil((B  +1)/x)==br+1&&mineField.mineMap[B  ]==-1){thisMineNum++;}
              if(R_B<num&&Math.ceil((R_B+1)/x)==br+1&&mineField.mineMap[R_B]==-1){thisMineNum++;}
              
              mineField.mineMap[i]=thisMineNum;
        }
}
//----------------------------------雷区事件
function setEvent(){
        var thisMineFiele=mineField._mineFieldBlock,
            allMine=mineField._mineFieldEle,
            iMax=mineField.x*mineField.y;
        for(var i=0;i<iMax;i++){
            allMine[i].index=i;
            allMine[i].on=0;//0为默认  1为插旗  2为问号  3为显示
        }
        thisMineFiele.onmouseup=function(e){
            if(mineField.status==2){return false;}
            if(mineField.status==0){mineField.status=1;timedCount();}
            var e=e||window.event,
                thisObj=e.target||e.srcElement;
            if(thisObj.nodeName==‘UL‘||thisObj.on==3){return false;}
            
            var Btn=getButton(e);
            if(Btn== 0){//左键
               if(thisObj.on==1){return false;}//插旗子了  就不能点了

               if(mineField.mineMap[thisObj.index]==-1){//点雷了
                   setThisMine(‘peng‘,thisObj.index);
               }else if(mineField.mineMap[thisObj.index]==0){//点到空地了 打开一大片
                   //alert(‘你运气真好‘)
                   var allShowMine=minesShow(thisObj.index);
                   setThisMine(‘show‘,allShowMine)
               }else{//显示一个格子
                   setThisMine(‘show‘,thisObj.index)
               }
            }
            if(Btn== 2){//右键
              setThisMine(‘setOn‘,thisObj.index);
            }
        }
}
//--------------------------------按到空格时 显示一大片
function minesShow(I){
            var allMine=mineField._mineFieldEle,
                allShowMine=[I];//保存要显示的雷的下标
            
            allMine[I].on=3;
            
            see(I);//查询下标为I的周围的方格
            function see(allI){
                var _allI=[];
                if(Object.prototype.toString.call(allI) === ‘[object Array]‘){
                    for(var i=0;i<allI.length;i++){f(allI[i])}
                }
                else{f(allI)}
                function f(thisI){
                    var text,
                    x=mineField.x,
                    br,
                    num=x*mineField.y,
                    L_T,T,R_T,L,R,L_B,B,R_B;
                
                    text=‘_‘+allShowMine.join(‘_‘)+‘_‘;//用来判断下标是否已经写入数组
                    br=Math.ceil((thisI+1)/x);
                    L_T = thisI-x-1;
                    T   = thisI-x;
                    R_T = thisI-x+1;
                    L   = thisI-1;
                    R   = thisI+1;
                    L_B = thisI+x-1;
                    B   = thisI+x;
                    R_B = thisI+x+1;
                  //左上角的方格 如果是在雷区 又是在上一行 又是没翻开的格子 又是空格 那么就写如_allI数组 来进行下一次检索
                  if(L_T>=0&&Math.ceil((L_T+1)/x)==br-1&&allMine[L_T].on==0&&mineField.mineMap[L_T] == 0){_allI.push(L_T);}
                  if(T  >=0&&Math.ceil((T  +1)/x)==br-1&&allMine[T  ].on==0&&mineField.mineMap[T  ] == 0){_allI.push(T);}
                  if(R_T>=0&&Math.ceil((R_T+1)/x)==br-1&&allMine[R_T].on==0&&mineField.mineMap[R_T] == 0){_allI.push(R_T);}
              
                  if(L>=0&&Math.ceil((L+1)/x)==br&&allMine[L].on==0&&mineField.mineMap[L] == 0){_allI.push(L);}
                  if(R<num&&Math.ceil((R+1)/x)==br&&allMine[R].on==0&&mineField.mineMap[R] == 0){_allI.push(R);}
              
                  if(L_B<num&&Math.ceil((L_B+1)/x)==br+1&&allMine[L_B].on==0&&mineField.mineMap[L_B] == 0){_allI.push(L_B);}
                  if(B  <num&&Math.ceil((B  +1)/x)==br+1&&allMine[B  ].on==0&&mineField.mineMap[B  ] == 0){_allI.push(B);}
                  if(R_B<num&&Math.ceil((R_B+1)/x)==br+1&&allMine[R_B].on==0&&mineField.mineMap[R_B] == 0){_allI.push(R_B);}
                  //------------------------------------------------
                  //左上角的的格子 如果在雷区 又是在上一行 又是没翻开的格子 又是没写入allShowMine数组的 那就写入吧 并提前标记为翻开的格子
                  if(L_T>=0&&Math.ceil((L_T+1)/x)==br-1&&allMine[L_T].on==0&&text.indexOf(‘_‘+L_T+‘_‘) == -1){allShowMine.push(L_T);allMine[L_T].on=3}
                  if(T  >=0&&Math.ceil((T  +1)/x)==br-1&&allMine[T  ].on==0&&text.indexOf(‘_‘+T+‘_‘) == -1){allShowMine.push(T);allMine[T].on=3}
                  if(R_T>=0&&Math.ceil((R_T+1)/x)==br-1&&allMine[R_T].on==0&&text.indexOf(‘_‘+R_T+‘_‘) == -1){allShowMine.push(R_T);allMine[R_T].on=3}
              
                  if(L>=0&&Math.ceil((L+1)/x)==br&&allMine[L].on==0&&text.indexOf(‘_‘+L+‘_‘) == -1){allShowMine.push(L);allMine[L].on=3}
                  if(R<num&&Math.ceil((R+1)/x)==br&&allMine[R].on==0&&text.indexOf(‘_‘+R+‘_‘) == -1){allShowMine.push(R);allMine[R].on=3}
              
                  if(L_B<num&&Math.ceil((L_B+1)/x)==br+1&&allMine[L_B].on==0&&text.indexOf(‘_‘+L_B+‘_‘) == -1){allShowMine.push(L_B);allMine[L_B].on=3}
                  if(B  <num&&Math.ceil((B  +1)/x)==br+1&&allMine[B  ].on==0&&text.indexOf(‘_‘+B+‘_‘) == -1){allShowMine.push(B  );allMine[B ].on=3}
                  if(R_B<num&&Math.ceil((R_B+1)/x)==br+1&&allMine[R_B].on==0&&text.indexOf(‘_‘+R_B+‘_‘) == -1){allShowMine.push(R_B);allMine[R_B].on=3}
                  
                  if(_allI.length!=0){see(_allI)}
                }
            }
            return allShowMine
}
//--------------------------------------
document.oncontextmenu=function(){return false;}//禁止右键菜单
function getButton(e){
    var Btn;
    if(document.implementation.hasFeature(‘MouseEvents‘,‘2.0‘)){Btn=e.button;}
    else{        switch(e.button){
                    case 0:
                    case 1:
                    case 3:
                    case 5:
                    case 7:
                      Btn=0;
                      break;
                    case 2:
                    case 6:
                      Btn=2;
                      break;
                    case 4:
                      Btn=9;
                      break;
                }
    }
    return Btn;
}
</script>