补充

黄千龙

2023-05-09 24ad847355c3761ed93b1108a995b5e6d87fb56c

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<template>
    <div class="exampleHolder" if:true={IsLoading}>
        <lightning-spinner alternative-text="Loading" size="medium"></lightning-spinner>
        <lightning-button label="Show Toast" onclick={ShowToastEvent}></lightning-button>
    </div>
</template>