zoukankan      html  css  js  c++  java
  • Mint-UI Picker 三级联动

     效果:

    html:

    <mt-picker :slots="slots" value-key="name" @change="onValuesChange"></mt-picker> 
    

     JS:

      import { Picker } from 'mint-ui';
      import myaddress from '../../js/pca-code.json'     //引入省市区数据
    export default {
      data () {
        return {
          msg: '创建地址',
          slots: [
            {
              flex: 1,
              values: myaddress,
              defaultIndex: 10,
              className: 'slot1',
              textAlign: 'center'
            }, {
              divider: true,
              content: '-',
              className: 'slot2'
            }, {
              flex: 1,
              values: myaddress[0].children,
              defaultIndex: 0,
              className: 'slot3',
              textAlign: 'center'
            }, {
              divider: true,
              content: '-',
              className: 'slot4'
            }, {
              flex: 1,
              values: myaddress[0].children[0].children,
              defaultIndex: 0,
              className: 'slot5',
              textAlign: 'center'
            }
          ]
        }
      },
      methods: {
        onValuesChange (picker, values) {
          console.log(values)
          if (!values[0]) {
            this.$nextTick(() => {
              if (this.myAdress) {
                // 赋默认值
              } else {
                picker.setValues([myaddress[0], myaddress[0].children[0], myaddress[0].children[0].children[0]])
              }
            })
          } else {
            picker.setSlotValues(1, values[0].children)
            let town = []
            if (values[1]) {
              town = values[1].children
            }
            picker.setSlotValues(2, town)
          }
        }
      }
    }
    

     pca-code.json 来自:https://github.com/artiely/Administrative-divisions-of-China

    参考:https://www.cnblogs.com/zling-gnilz/p/7987796.html

  • 相关阅读:
    iOS中Zbar二维码扫描的使用
    SOJ 1135. 飞跃原野
    SOJ 1048.Inverso
    SOJ 1219. 新红黑树
    SOJ 1171. The Game of Efil
    SOJ 1180. Pasting Strings
    1215. 脱离地牢
    1317. Sudoku
    SOJ 1119. Factstone Benchmark
    soj 1099. Packing Passengers
  • 原文地址:https://www.cnblogs.com/hycms/p/9657422.html
Copyright © 2011-2022 走看看