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<html><head><meta charset="utf-8"><title>汇率转换</title><style>div,h2,span,input {box-sizing: border-box;}.wrapper {width: 700px;margin: 50px auto;}.wrapper h2 {text-align: center;}.box {display: flex;}.item {display: flex;flex-direction: column;flex: 1;margin: 15px;border: 1px solid #eee;border-radius: 3px;}.item span {width: 100%;padding: 5px;background-color: #efefef;border-bottom: 1px solid #eee;}.item input {padding: 5px 8px;border: none;width: 100%;}.item input:focus {outline: none;}</style></head><body><div class="wrapper" id="app"><h2>汇率换算</h2><div class="box"><div class="item"><span>汇率</span><input type="text" v-model="CNY_USD"></div></div><div class="box"><div class="item"><span>USD-$美元</span><input type="text" v-model="usd" @change="inputChange"></div><div class="item"><span>CNY-￥人民币</span><input type="text" v-model="cny"></div></div></div><script src="../js/vue.global.js"></script><script>let app = ateApp({data(){return {CNY_USD:'',usd:'',cny:''}},computed:{inputChange(){return thisy = this.CNY_USD * this.usd;}}}).mount('#app')</script></body>
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