聊聊uniapp下多组合条件查询的实现方法

<template>
  <view class="container">
    <input v-model="name" placeholder="请输入商品名称" />
    <select v-model="brand">
      <option value="">请选择品牌</option>
      <option value="huawei">华为</option>
      <option value="xiaomi">小米</option>
      <option value="oppo">OPPO</option>
    </select>
    <input v-model="price" placeholder="请输入价格范围" />
    <button @click="search">搜索</button>
    <view class="result">
      <view v-for="(item,index) in list" :key="index">{{item.name}} {{item.brand}} {{item.price}}</view>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      name: "",
      brand: "",
      price: "",
      list: []
    };
  },
  methods: {
    search() {
      let sql = "SELECT * FROM product WHERE 1=1 ";
      if (this.name) {
        sql += `AND name LIKE '%${this.name}%' `;
      }
      if (this.brand) {
        sql += `AND brand = '${this.brand}' `;
      }
      if (this.price) {
        let priceArr = this.price.split("-");
        sql += `AND price >= ${priceArr[0]} AND price <= ${priceArr[1]} `;
      }
      //在这里使用框架或者API进行数据查询操作
    }
  }
};
</script>