站长资讯网闲的没事 写个扫雷， 算法 不太好·····凑合，还真的不错，可以看一下
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>扫雷</title> </head> <body> <script> function Set(r,c,hard){ var data = new Array(); for(var i=0;i<r;i++){data[i]=new Array(c);} for (var i = 0; i < r*c; i++) { var ran=Math.floor(Math.random()*100); data[Math.floor(i / c)][i % c] =ran<hard?1:0; } return data; } function GetNewData(data,r,c){ var newdata = new Array(); for(var i=0;i<r;i++){newdata[i]=new Array(c);} for (var i = 0; i < r * c; i++) { if (data[Math.floor(i / c)][i % c] == 1) { newdata[Math.floor(i / c)][i % c] = 9; } else { var d = 0; for (var j = 0; j < 9; j++) { if (Math.floor(i / c) + (Math.floor(j / 3) - 1)>=0 && i % c + (j % 3 - 1) >= 0 && Math.floor(i / c) + (Math.floor(j / 3) - 1) < r && i % c + (j % 3 - 1) < c && data[Math.floor(i / c) + Math.floor(j / 3 - 1)][i % c + (j % 3 - 1)] == 1) { d++; } } newdata[Math.floor(i / c)][i % c] = d; } } return newdata; } function GetRegion(rr,cc,data,list){ if (data[rr][cc]!=0) { return; } else { for (var j = 0; j < 9; j++) { if (rr+ (Math.floor(j / 3) - 1)>=0 && cc + (j % 3 - 1) >= 0 && rr + (Math.floor(j / 3) - 1) < r && cc + (j % 3 - 1) < c && data[rr+ Math.floor(j / 3 - 1)][cc+ (j % 3 - 1)] == 0) { var pr=rr+ Math.floor(j / 3 - 1); var pc=cc+ (j % 3 - 1); console.log(pr,pc); if(contains(list,{r:pr,c:pc}))continue; list.push({r:pr,c:pc}); GetRegion(pr,pc,data,list); } } return; } } </script> <!--<iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width=330 height=86 src="//music.163.com/outchain/player?type=2&id=22654542&auto=1&height=66"></iframe>--> <h2>扫雷游戏</h2> <!--<audio src="http://music.163.com/style/swf/widget.swf?sid=26569168" controls="controls"></audio>--> <p>难度: <select NAME="Difficulty" onchange="load(this.value)" id="Difficulty"> <option value></option> <option value="1" selected="selected">初9*9</option> <option value="2" >中16*16</option> <option value="3">高30*16</option> </select> <button onclick="timedCount()">开始</button> <button onclick="stop()">停止</button> <button onclick="reload()">重置</button> <button onclick="Drawall()">显示所有</button> <input type="text" readonly="readonly" id="time"> </p> <p> <canvas id="myCanvas" oncontextmenu=self.event.returnvalue=false width="180" height="180" style="border:1px solid #000000;background:lightgray;"></canvas> </p> <script> var r=9;//99 1616 3016 var c=9; var difficulty=15 var tempdata; var minedata; var signdata = new Array(); var checkSigndata=new Array document.write("<br/>"); var Difficulty=document.getElementById("Difficulty"); Difficulty.options[1].selected = true; var canvas=document.getElementById("myCanvas"); canvas.addEventListener("mousedown", doMouseDown, false); canvas.oncontextmenu=function(){return false;} load(1); redraw(); //test(); //Drawall(); var t; var tick=0; function timedCount(){ document.getElementById('time').value=tick tick=tick+1 t=setTimeout("timedCount()",1000) } function stop(){ if(t!=null)clearTimeout(t); tick=0; } function loadsigndata(){ for(var i=0;i<r;i++){signdata[i]=new Array(c);} for(var i=0;i<r;i++){checkSigndata[i]=new Array(c); } for (var i = 0; i < r*c; i++) { switch(minedata[Math.floor(i / c)][i % c]) { case 9:checkSigndata[Math.floor(i / c)][i % c]=2; break; case 0:checkSigndata[Math.floor(i / c)][i % c]=3; break; default:checkSigndata[Math.floor(i / c)][i % c]=1; break; } } } function test(){ for (var i = 0; i < r*c; i++) { document.write(minedata[Math.floor(i / c)][i % c]+" "); if(i%c==c-1)document.write("<br/>"); } } function load(v){ switch(parseInt(v)) { case 1: r=9; c=9; break; case 2: r=16; c=16; break; case 3: r=30; c=16; break; } reload(); //Drawall(); } function reload(){ redraw(); tempdata=Set(r,c,difficulty); minedata=GetNewData(tempdata,r,c); loadsigndata(); } function redraw(){ canvas.setAttribute('width',c*30); canvas.setAttribute('height',r*30); var ctx=canvas.getContext("2d"); for(var i=0;i<r+1;i++) { ctx.moveTo(0,i*30); ctx.lineTo(c*30,i*30); ctx.stroke(); } for(var i=0;i<c+1;i++) { ctx.moveTo(i*30,0); ctx.lineTo(i*30,r*30); ctx.stroke(); } } function contains(arr, obj) { var i = arr.length; while (i--) { if (arr[i].r==obj.r&&arr[i].c==obj.c) { return true; } } return false; } var plist=new Array(); function doMouseDown(event){ var btnNum = event.button; var x = event.pageX; var y = event.pageY; var loc = getPointOnCanvas(canvas, x, y); var xx=Math.floor(loc.x/30); var yy=Math.floor(loc.y/30); if(signdata[yy]!=null&&signdata[yy][xx]!=null&&(signdata[yy][xx]==3||signdata[yy][xx]==1))return; if (btnNum==0) { drawCell(xx,yy); plist.splice(0,plist.length); GetRegion(yy,xx,minedata,plist); for(var l=0;l<plist.length;l++){drawCell(plist[l].c,plist[l].r);} } else if(btnNum==2) { drawCellr(xx,yy); } if(check())alert("成功："+tick); } function check(){ for (var i = 0; i < r*c; i++) { if(checkSigndata[Math.floor(i / c)][i % c]!=signdata[Math.floor(i / c)][i % c]) { return false; } } return true; } function drawCell(xx,yy){ var ctx = canvas.getContext("2d"); ctx.textAlign = "start"; ctx.fillStyle = "red"; ctx.font = "30px Arial"; if(signdata[yy][xx]!=null && signdata[yy][xx]== 2) { ctx.fillStyle = "lightgray"; ctx.fillRect(xx*30,yy*30,29,29); } ctx.fillStyle = "red"; if(minedata[yy][xx]==9){ //ctx.fillText("×",xx*30,(yy+1)*30); alert("失败"); Drawall(); //signdata[yy][xx]=2; } else if(minedata[yy][xx]==0){ //ctx.fillText("0",xx*30,(yy+1)*30); ctx.fillStyle = "green"; ctx.fillRect(xx*30,yy*30,29,29); signdata[yy][xx]=3; } else{ ctx.fillText(minedata[yy][xx].toString(),xx*30,(yy+1)*30); signdata[yy][xx]=1; } } function drawCellr(xx,yy){ var ctx = canvas.getContext("2d"); ctx.textAlign = "start"; ctx.fillStyle = "red"; ctx.font = "30px Arial"; if(signdata[yy][xx]==0||signdata[yy][xx]==null) { ctx.fillText("√",xx*30,(yy+1)*30); signdata[yy][xx]=2; } else { ctx.fillStyle = "lightgray"; ctx.fillRect(xx*30,yy*30,29,29); //ctx.fillText("√",xx*30,(yy+1)*30); signdata[yy][xx]=0; } ctx.stroke(); } function getPointOnCanvas(canvas, x, y) { var bbox = canvas.getBoundingClientRect(); return { x: x - bbox.left * (canvas.width / bbox.width), y: y - bbox.top * (canvas.height / bbox.height) }; } function Drawall(){ redraw(); var ctx = canvas.getContext("2d"); ctx.textAlign = "start"; ctx.fillStyle = "red"; ctx.font = "30px Arial"; for(var i=0;i<r*c;i++) { var x=i%c*30; var y=(Math.floor(i/c)+1)*30; if(minedata[Math.floor(i/c)][i%c]==9){ctx.fillText("×",x,y);} else if(minedata[Math.floor(i/c)][i%c]==0){ctx.fillText("0",x,y);} else{ctx.fillText(minedata[Math.floor(i/c)][i%c].toString(),x,y);} } } </script> </body> </html>
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