substring截取字符串

substring

<block v-if="orderInfo.user_spread.xing.length === 1">
                            <text>1</text>
                            <text>{{orderInfo.user_spread.xing}}</text>
                        </block>
                        <block v-else>
                            <text>{{orderInfo.user_spread.xing.substring(0, 1)}}</text>
                            <text>{{orderInfo.user_spread.xing.substring(1)}}</text>
                        </block>