fe-manage/src/components/NavTop.vue

<template>
  <div class="navTop">
    <div class="navTopMain">
      <img
        style="width: 205px; height: 29px; margin-left: 37px; margin-top: 22px"
        src="../assets/images/navtop/logo.png"
      />
      <div class="navTopRight">
        <div class="role">
          <div>{{ selectRole }}</div>
          <div class="roleArrow"></div>
          <div class="roleItems">
            <div
              v-for="(value, index) in roleList"
              :key="index"
              class="roleItem"
              @click="changeRole(value)"
            >
              {{ value.name }}
            </div>
          </div>
        </div>
        <div class="user">
          <img
            style="
              width: 30px;
              height: 31px;
              margin-left: 8px;
              border-radius: 15px;
              margin-right: 10px;
            "
            src="../assets/images/img.jpg"
          />
          <div>李玉冰</div>
        </div>
        <img
          style="
            width: 27px;
            height: 26px;
            margin: 27px 29px 0px 31px;
            cursor: pointer;
          "
          src="../assets/images/navtop/signout.png"
        />
      </div>
    </div>
  </div>
</template>
<script>
import { reactive, toRefs } from "vue";
export default {
  name: "NavTop",
  setup() {
    const state = reactive({
      selectRole: "管理员",
      roleList: [
        {
          id: 1,
          name: "管理员",
        },
        {
          id: 2,
          name: "学员",
        },
      ],
    });
    const changeRole = (value) => {
      state.roleList.map((item) => {
        if (value.name === item.name) {
          state.selectRole = item.name;
        }
      });
    };
    return {
      ...toRefs(state),
      changeRole,
    };
  },
};
</script>
<style scoped lang="scss">
.navTop {
  width: 100%;
  height: 80px;
  // display: flex;
  background-color: rgba(255, 255, 255, 1);
  // box-shadow: 0px 1px 35px 0px rgba(118, 136, 166, 0.21);
  .navTopMain {
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    background-color: rgba(255, 255, 255, 1);
    .navTopRight {
      display: flex;
    }
    .role {
      display: flex;
      align-items: center;
      font-size: 16px;
      font-weight: 400;
      color: #333330;
      line-height: 36px;
      cursor: pointer;
      position: relative;
      .roleArrow {
        width: 13px;
        height: 7px;
        margin-left: 8px;
        background-image: url(../assets/images/navtop/down.png);
        background-size: 100%;
      }
      .roleItems {
        width: 109px;
        height: 90px;
        padding-top: 10px;
        background: #ffffff;
        box-shadow: 0px 1px 35px 0px rgba(118, 136, 166, 0.21);
        position: absolute;
        top: 60px;
        right: 0px;
        text-align: center;
        display: none;
        z-index: 100;
      }
      .roleItem {
        font-size: 14px;
        font-weight: 400;
        color: rgba(79, 81, 86, 1);
        line-height: 36px;
      }
      .roleItem:hover {
        color: #4ea6ff;
      }
    }
    .role:hover .roleItems {
      display: block;
    }
    .role:hover .roleArrow {
      background-image: url(../assets/images/navtop/up.png);
    }
    .user {
      margin-left: 37px;
      display: flex;
      align-items: center;
      font-size: 14px;
      font-weight: 400;
      color: #b3bdc4;
      line-height: 36px;
    }
  }
}
</style>