vue + js 代码不生效？-灵析社区

也没搞懂你想要表达的需求，看你代码没有涉及到递增倍数只是纯提示。看是不是这样的，我按最简单办法搞。  保存 export default { data() { return { tableData: [ { id: "12987122", name: "王小虎", price: "1", amount2: "3.2", amount3: 10, }, { id: "12987123", name: "王小虎", price: "2", amount2: "4.43", amount3: 12, }, { id: "12987124", name: "王小虎", price: "3", amount2: "1.9", amount3: 9, }, { id: "12987125", name: "王小虎", price: "4", amount2: "2.2", amount3: 17, }, { id: "12987126", name: "王小虎", price: "5", amount2: "4.1", amount3: 15, }, ], }; }, methods: { handleSave(e) { if (e.$index != 0) { let inputPrice = e.row.price; let row = e.$index - 1; if (inputPrice