4dkankan-components/docs/examples-bk/collapse/basic.vue

<template>
    <div class="demo-collapse">
        <el-collapse v-model="activeNames" @change="handleChange">
            <el-collapse-item title="Consistency" name="1">
                <div>Consistent with real life: in line with the process and logic of real life, and comply with languages and habits that the users are used to;</div>
                <div>Consistent within interface: all elements should be consistent, such as: design style, icons and texts, position of elements, etc.</div>
            </el-collapse-item>
            <el-collapse-item title="Feedback" name="2">
                <div>Operation feedback: enable the users to clearly perceive their operations by style updates and interactive effects;</div>
                <div>Visual feedback: reflect current state by updating or rearranging elements of the page.</div>
            </el-collapse-item>
            <el-collapse-item title="Efficiency" name="3">
                <div>Simplify the process: keep operating process simple and intuitive;</div>
                <div>Definite and clear: enunciate your intentions clearly so that the users can quickly understand and make decisions;</div>
                <div>Easy to identify: the interface should be straightforward, which helps the users to identify and frees them from memorizing and recalling.</div>
            </el-collapse-item>
            <el-collapse-item title="Controllability" name="4">
                <div>Decision making: giving advices about operations is acceptable, but do not make decisions for the users;</div>
                <div>Controlled consequences: users should be granted the freedom to operate, including canceling, aborting or terminating current operation.</div>
            </el-collapse-item>
        </el-collapse>
    </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'

const activeNames = ref(['1'])
const handleChange = (val: string[]) => {
    console.log(val)
}
</script>