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in Technique[技术] by (71.8m points)

react setState如何修改深层次的数据

data: [
    {
      id: '111',
      name: 'test 001',
      price: '222',
      money: '23232',
      numList: [
        {
          num: ['1', ''],
          price: 12
        },
        {
          num: ['', '999999'],
          price: 13
        },
        {}
      ]
    },
    {
      id: '111',
      name: 'test 001',
      price: '222',
      money: '23232',
      numList: [
        {
          num: ['1', ''],
          price: 12
        },
        {
          num: ['', '999999'],
          price: 13
        },
        {}
      ]
    }
  ]
  
  

我想修改data[0].numList[0].num[1],修改之后在赋值给data 怎么搞


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1 Answer

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by (71.8m points)
let data = this.state.data
let newData = data[0].numList[0].num[1] = 111
this.setState({
    data:newData
})

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