<template><view><view @click="paytype('1')"><button>1</button><radio :checked="type =='1'" /></view><view @click="paytype('2')"><button>2</button><radio :checked="type =='2'" /></view></view></template><script>export default {data() {return {type: "",}},methods: {paytype(i) {console.log('选中' + i);this.type = i}}}</script>
利用:checked="type =='2'" 来使checked为真，用于例如选择支付方式等场景
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