1. App组件部分

<template>
  <div id="app">
    <eight-queen/>
  </div>
</template>

<script>
import EightQueen from "./components/EightQueen";

export default {
          
   
  name: "app",
  components: {
          
   
    EightQueen
  }
};
</script>

<style>
#app {
            
     
  font-family: "Avenir", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

2. EightQueen组件部分

<template>
  <div>
    <div class="title">八皇后</div>

    <div class="grid">
      <div class="row" v-for="(row, index) in grids" :key="index">
        <div
          class="cell"
          v-for="(cell, cindex) in row"
          :key="cell.key"
          @click.stop="select(index, cindex)"
        >
          <div v-if="cell.ok">Q</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
const grids = new Array(8).fill(1).map((_, r) => {
          
   
  return new Array(8).fill(1).map((_, c) => {
          
   
    return {
          
   
      key: `key-${
          
   r * 8 + c}`,
      ok: false
    };
  });
});

export default {
          
   
  data() {
          
   
    return {
          
   
      grids
    };
  },
  methods: {
          
   
    select(rindex, cindex) {
          
   
      if (this.validate(rindex, cindex)) {
          
   
        this.grids[rindex][cindex].ok = !this.grids[rindex][cindex].ok;
      } else {
          
   
        alert("当前位置不能放置皇后");
      }
    },
    validate(rindex, cindex) {
          
   
      // 横
      for (let i = 0; i < this.grids[rindex].length; i++) {
          
   
        if (this.grids[rindex][i].ok) {
          
   
          return false;
        }
      }

      // 竖
      for (let i = 0; i < this.grids.length; i++) {
          
   
        if (this.grids[i][cindex].ok) {
          
   
          return false;
        }
      }

      // 撇
      for (let i = 0; i < this.grids[0].length; i++) {
          
   
        let y = rindex + cindex - i;
        if (y >= 0 && y < this.grids.length && this.grids[y][i].ok) {
          
   
          return false;
        }
      }

      // 捺
      for (let i = 0; i < this.grids[0].length; i++) {
          
   
        let y = rindex - cindex + i;
        if (y >= 0 && y < this.grids.length && this.grids[y][i].ok) {
          
   
          return false;
        }
      }

      return true;
    }
  }
};
</script>

<style scoped>
.grid {
          
   
  width: 400px;
  margin: 0 auto;
}
.cell {
          
   
  width: 50px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background: #999;
  float: left;
  cursor: pointer;
}
.cell:nth-child(2n) {
          
   
  background: #efefef;
}
.row {
          
   
  height: 50px;
  width: 400px;
  display: flow-root;
}
.row:nth-child(2n) .cell:nth-child(2n) {
          
   
  background: #999;
}
.row:nth-child(2n) .cell:nth-child(2n - 1) {
          
   
  background: #efefef;
}
</style>

总结

革命尚未成功，同志仍需努力。