list使用filter获取被选中的数据

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最新推荐文章于 2025-05-20 10:28:51 发布

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分类专栏： Angular学习

本文链接：https://blog.youkuaiyun.com/u013591091/article/details/81509299

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本文介绍了一种数据文件的筛选方法，通过使用JavaScript的filter函数，根据checked属性筛选出特定的数据项。示例中展示了如何从包含多个元素的dataFile数组中选择已标记的条目。

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dataFile = [
    {
      id: 1,
      pattern: '11',
      creatTime: new Date('2018/6/27'),
      checked: false,
      disabled: false
    },
    {
      id: 2,
      pattern: '2',
      creatTime: new Date('2018/6/28'),
      checked: false,
      disabled: false
    },
    {
      id: 3,
      pattern: '0000000',
      creatTime: new Date('2018/6/29'),
      checked: false,
      disabled: false
    },
    {
      id: 4,
      pattern: 'xh12096',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    },
    {
      id: 5,
      pattern: 'zhn20d12000',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    },
    {
      id: 6,
      pattern: 'ZHN20D8511',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    },
    {
      id: 7,
      pattern: '11',
      creatTime: new Date('2018/6/27'),
      checked: false,
      disabled: false
    },
    {
      id: 8,
      pattern: '2',
      creatTime: new Date('2018/6/28'),
      checked: false,
      disabled: false
    },
    {
      id: 9,
      pattern: '0000000',
      creatTime: new Date('2018/6/29'),
      checked: false,
      disabled: false
    },
    {
      id: 10,
      pattern: 'xh12096',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    },
    {
      id: 11,
      pattern: 'zhn20d12000',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    },
    {
      id: 12,
      pattern: 'ZHN20D8511',
      creatTime: new Date('2018/6/30'),
      checked: false,
      disabled: false
    }
  ];
 this.fileSelectArr = this.dataFile.filter(function (value) {
      return value.checked;
    });