修改

src/views/home/costComponents/changeBase.vue

@@ -0,0 +1,71 @@
+<template>
+  <div class="changeBase">
+    <div class="base-item" :class="{ isChecked: activeButton === index, noChecked: activeButton !== index }"
+      @click="handleClick(index)"
+      v-for="(item, index) in buttonList"
+      :key="index"
+      >
+      {{ item }}
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "Container",
+  data() {
+    return {
+      activeButton: 0, // 默认选中“总览”
+      buttonList: ['总览', '宜兴', '漳州', '自贡', '桐城', '洛阳', '合肥']
+    };
+  },
+  methods: {
+    handleClick(index) {
+      this.activeButton = index; // 更新选中状态
+      // 触发自定义事件，将当前选中的值（如“总览”“宜兴”）传递给父组件
+      this.$emit('selectChange', index+1);
+    }
+  },
+  // 初始化时就将默认选中的值传递给父组件
+  mounted() {
+    this.$emit('selectChange', this.activeButton +1);
+  }
+};
+</script>
+
+<style scoped lang="scss">
+/* 样式不变，省略 */
+.changeBase {
+  display: flex;
+    width: fit-content; // 宽度由子项总宽度决定
+  // justify-content: space-around;
+  // gap: 50px;
+  // overflow-x: auto;
+  // padding: 10px 0;
+
+  .base-item {
+    width: 264px;
+    height: 82px;
+    font-family: YouSheBiaoTiHei;
+    font-size: 38px;
+    line-height: 54px;
+    text-align: center;
+    font-style: normal;
+    cursor: pointer;
+    white-space: nowrap;
+    margin-right: -35px;
+  }
+
+  .isChecked {
+    color: #F9FBFE;
+    background: url(../../../assets//img/baseChecked.png) no-repeat;
+    background-size: cover;
+  }
+
+  .noChecked {
+    color: rgba(30, 22, 81, 1);
+    background: url(../../../assets//img/baseNoChecked.png) no-repeat;
+    background-size: cover;
+  }
+}
+</style>