element-ui

 1、input 限制输入正数保留两位小数

<el-input v-model="addRebateRateForm.rebateRate[index]" oninput = "this.value= this.value.match(/\d+(\.\d{0,2})?/) ? this.value.match(/\d+(\.\d{0,2})?/)[0] : ''" auto-complete="off"></el-input>

2、解除双向绑定

let obj = JSON.parse(JSON.stringify(row));