jQuery+vue.js implements nine-square grid puzzle-JS Tutorial-php.cn

jQuery+vue.js implements nine-square grid puzzle

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Release： 2018-04-19 15:26:52

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This time I will bring you jQuery vue.js to implement the nine-square grid puzzle. What are the precautions for jQuery vue.js to implement the nine-square grid puzzle. The following is a practical case, let’s take a look.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
    /*#piclist {
      width: 600px;
      height: 600px;
      background-color: green;
    }*/
    .nitem {
      /*width: 200px;*/
      /*height: 200px;*/
      float: left;
      background: url(img/meinv.jpg) 0px 0px no-repeat;
      -webkit-background-size: 600px 600px;
      background-size: 600px 600px;
      font-size: 33px;
      color: red;
      font-weight: bold;
      cursor: pointer;
    }
    /*.nitem:nth-child(2){
      background-position: -200px 0;
    }
    .nitem:nth-child(3){
      background-position: -400px 0;
    }
    .nitem:nth-child(4){
      background-position: 0px -200px;
    }
    .nitem:nth-child(5){
      background-position: -200px -200px;
    }
    .nitem:nth-child(6){
      background-position: -400px -200px;
    }
    .nitem:nth-child(7){
      background-position: 0px -400px;
    }
    .nitem:nth-child(8){
      background-position: -200px -400px;
    }
    .nitem:nth-child(9){
      background-position: -400px -400px;
    }*/
    .fn-clear {
      clear: both;
      height: 0;
      line-height: 0px;
      font-size: 0px;
    }
  </style>
</head>
<body>
<p id="appbox" :style="{ width:width+&#39;px&#39;,height:height+&#39;px&#39; }">
  <p id="piclist">
    <p class="nitem"
       v-for="(item,index) in itemlist"
       :class="{remove : index === 0}"
       :index="index "
       v-bind:style="{
        &#39;backgroundPosition&#39;:-px(index)+&#39;px -&#39; + py(index) + &#39;px&#39;,
         width : width / rows + &#39;px&#39;,
         height : height / cols + &#39;px&#39;}">{{index}}
    </p>
  </p>
</p>
</body>
<script src=js/jquery-1.9.1.min.js></script>
<script src=js/vue.min.js></script>
<script>
  var olen = 0, oi = 0, cindex = 0, oa = new Array(), oindex = 0, listarray = new Array();
  var vm = new Vue({
    el: "#appbox",
    data: {
      itemlist: [],
      rows: 3,
      cols: 3,
      width: 600,
      height: 600,
    },
    methods: {
      px(index){
        return (index % this.rows) * (this.width / this.rows)
      },
      py (index){
        return parseInt((index / this.cols)) * (this.height / this.cols);
      }
    }
  });
  for (var i = 0; i < vm.rows * vm.cols; i++) {
    vm.itemlist.push(i);
  }
  function getrow(index) {
    return parseInt(index / vm.cols);
  }
  function getcols(index) {
    return index % vm.rows;
  }
  function getBound(index) {
    var left = index - 1;
    var right = index + 1;
    var top = index - vm.rows;
    var bottom = index + vm.rows;
    var len = vm.itemlist.length; //总长度
    var currentRow = getrow(index);
    var currentCol = getcols(index);
    var roundArr = new Array();
    if (left >= 0 && left < len && getrow(left) == currentRow) {
      roundArr.push(left);
    }
    if (right >= 0 && right < len && getrow(right) == currentRow) {
      roundArr.push(right);
    }
    if (top >= 0 && top < len && getcols(top) == currentCol) {
      roundArr.push(top);
    }
    if (bottom >= 0 && bottom < len && getcols(bottom) == currentCol) {
      roundArr.push(bottom);
    }
    return roundArr;
  }
  function box_switch(i, j) {
    var iobj = $('#piclist .nitem').eq(i);
    var jobj = $('#piclist .nitem').eq(j);
    var tobj = iobj.clone();
    jobj.after(tobj);
    iobj.replaceWith(jobj);
  }
  vm.$nextTick(function () {
    $('.remove').css({
      background: 'none',
      backgroundColor: 'green'
    });
  });
  function box_rand(times) {
    for (var i = 0; i < times; i++) {
      oindex = $('.remove').index();
      oa = getBound(oindex);
      olen = oa.length;
      oi = Math.floor(Math.random() * olen);
      cindex = oa[oi];
      box_switch(cindex, oindex);
    }
    listarray.length = 0;
    $.each($('.nitem'), function (i, item) {
      listarray.push($(item).attr('index'));
    });
    if (listarray.join(',') == vm.itemlist.join(',')) {
      box_rand(times);
    }
  }
  $(function () {
    //打乱图片
    box_rand(20);
    $('.nitem').on('click  ', function () {
      var cindex = $(this).index();
      var oindex = $('.remove').index();
      var oRound = getBound(oindex); //空盒子四周的索引
      if ($.inArray(cindex, oRound) < 0) { //不在
        return false;
      } else {
        box_switch(oindex, cindex);
        var listArray = new Array();
        $.each($('.nitem'), function (i, item) {
          listArray.push($(item).attr('index'));
        })
        if (listArray.join(',') == vm.itemlist.join(',')) {
          alert('success')
        } else {
          console.log('失败')
        }
      }
    });
  })
</script>
</html>

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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!