wechat bind

index.js

// pages/about/about.js
Page({
  /**
   * 页面的初始数据
   */
  data: {
    inputList: []
  },
  onLoad() {
    let inputList = [];
    for (let index = 0; index < 2; index++) {
      inputList.push({ text: index });
    }
    this.setData({
      inputList
    });
  },
  input(el) {
    let inputList = this.data.inputList;
    inputList[el.currentTarget.dataset.index].text = el.detail.value;
    this.setData({
      inputList
    });
  }
});

index.wxml

<view class="view" wx:for="{{inputList}}" wx:key="index">
    <input bindinput="input" value="{{item.text}}" data-index="{{index}}" placeholder="输入信息" />
</view>