<head>
<title>220214❤</title>
<style>
#bar {
      text-align: center;
      margin-bottom:20px;
    }

    .bar {
      height: 25px;
      width: 125px;
      line-height: 25px;
      display: inline-block;
      border: solid 1px #000;
      margin-left: 20px;
      margin-right: 20px;
    }
#grid {
    margin: auto;  /* 让矩阵居中显示于页面 */
}

.blocks {
    width: 30px;
    height: 30px;
    line-height: 30px;
    display: block;   /* 让span以block方式显示 */
    text-align: center;
    border: solid 1px #000;
    user-select: none;  /* 设置不可拖拽选中 */
    cursor: pointer;  /* 设置鼠标停留样式 */
}

.blocks:hover {
    background:#ffaad5;  /* 鼠标停留时背景颜色变化 */
}
</style>
</head>
<!-- ondragstart:防拖拽生成新页面 oncontextmenu:屏蔽右键菜单-->
<body ondragstart='return false' oncontextmenu='self.event.returnValue=false'>
<div id='bar'>
  <span class='bar'>剩余雷数：<label id='count'>99</label></span>
  <span class='bar'>计时：<label id='time'>0</label>s</span>
</div>
<table id='grid'></table>
<script>
var row = 8; //行数
var col = 8; //列数
var clickCount = 0;
var grid = init_grid();
var time = document.getElementById('time'); //计时
var timer = setInterval(function () {
  let seconds = (parseFloat(time.innerHTML) + 0.1).toFixed(1); //保留一位小数
  time.innerHTML = seconds;
}, 100) //定时器 100ms执行一次

//初始化矩阵 (row-行数 col-列数)
function init_grid() {

    //生成矩阵html <tr>--行标签 <td>--列标签
    let gridHtml = '';
    for (let i = 0; i < row; i++) {
        gridHtml += '<tr>'
        for (let j = 0; j < col; j++) {
            gridHtml += '<td><span class="blocks" onmousedown="block_click(' + i + ',' + j + ',event)"></span></td>';
        }
        gridHtml += '<tr>'
    }
    //写入html
    document.getElementById('grid').innerHTML = gridHtml;

    //返回矩阵二维数组
    let blocks = document.getElementsByClassName('blocks');
    let grid = new Array();
    for (let i = 0; i < blocks.length; i++) {
        if (i % col === 0) {
            grid.push(new Array());
        }
        //初始化计雷数
        blocks[i].count = 0;
        grid[parseInt(i / col)].push(blocks[i]);
    }
    return grid;
}

//方格点击事件 _i：坐标i _j:坐标j e:鼠标事件
function block_click(_i, _j, e) {

    //跳过已打开的方格
    if (grid[_i][_j].isOpen) {
        return;
    }

    //鼠标左键打开方格
    if (e.button === 0&&clickCount < 1) {
        let block = grid[_i][_j];
        clickCount++;
        if (block.innerHTML !== 'I') {
          block.innerHTML = 'I';
        } else {
          block.innerHTML = '';
        }
    }
    else if (e.button === 0&&clickCount < 2) {
        let block = grid[_i][_j];
        clickCount++;
        if (block.innerHTML !== '♥') {
          block.innerHTML = '♥';
        } else {
          block.innerHTML = '';
        }
    }
    else if (e.button === 0&&clickCount < 3) {
        let block = grid[_i][_j];
        clickCount++;
        if (block.innerHTML !== 'U') {
          block.innerHTML = 'U';
        } else {
          block.innerHTML = '';
        }
        setTimeout("alert('郭宝郭宝情人节快乐！祈求早日开学早日见面——超爱你的海海制作')",600);
    }
        //执行打开方格函数
        block_open(_i, _j);

        //打开方格函数
        function block_open(_i, _j) {

          let block = grid[_i][_j];
          op(block);
          }
          //设定打开方格的状态与样式
    function op(block) {
      block.isOpen = true; //isOpen为自定义属性，设置为true代表已打开
      block.style.background = '#FFECF5'; //将背景设置为灰色
      block.style.cursor = 'default'; //将鼠标停留样式设置为默认
      }
}
</script>
</body>
}