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vue-direction-key

v1.0.5

Published

vue方向键插件,适合键盘的快捷键操作,通过键盘在input间切换,应用在后台系统开单,财务等等的快速输入和保存上,使用简单,配置方便

Downloads

90

Readme

功能介绍

vue方向键插件,适合键盘的快捷键操作,通过键盘在input间切换,应用在后台系统开单,财务等等的快速输入和保存上,使用简单,配置方便

使用方法

  • 安装 npm install --save vue-direction-key
  • 使用 在入口文件中引用
import Direction from 'vue-direction-key'
Vue.use(Direction)

在模版文件中使用 template中

<el-input placeholder="请输入内容" v-direction="{x: 0, y: 0}"></el-input>
<input type="text" v-direction="{x: 1, y: 0}">

script中

created: function () {
  let direction = this.$getDirection()
  direction.on('keyup', function (e, val) {
    if (e.keyCode === 39) {
      direction.next()
    }
    if (e.keyCode === 37) {
      direction.previous()
    }
    if (e.keyCode === 38) {
      direction.previousLine()
    }
    if (e.keyCode === 40) {
      direction.nextLine()
    }
  })
}

说明: x,y分别为x轴和y轴的坐标,事件的绑定必须在mounted之前,可以放在created中或者beforeMounted中(在mounted中绑定由于组建的渲染顺序可能会无效)

api

在vue组件钩子中使用this.$getDirection()获取direction对象,该对象有以下方法

  • direction.on(keys, fun)

    • 参数: keys: (string) 原生的事件参数如: 'keyup', 'keydown'等 fun: 自定义函数,有两个参数function(e, val),e为event对象,val为触发的input绑定的自定义指令的值,可以通过此选项来传值进行特殊判断,例如:

    template中

    <input type="text" v-direction="{x: 1, y: 0, type: 'name'}">

    script中

    direction.on('keyup', function (e, val) {
      if (val.type === 'name') {
        console.log(111)
      }
    })
    • 作用: 给directive作用的原生input绑定事件,注意是绑定在原生的input上,例如:
    direction.on('keyup', function (e, val) {
     if (e.keyCode === 39) {
       direction.next()
     }
     if (e.keyCode === 37) {
       direction.previous()
     }
     if (e.keyCode === 38) {
       direction.previousLine()
     }
     if (e.keyCode === 40) {
       direction.nextLine()
     }
    })
  • direction.next(x, y)

    • 参数: x,y轴的坐标,例如(1, 1) <选填>,默认为当前focus的input坐标
    • 作用: 光标移动到下一个input
  • direction.previous(x, y)

    • 参数: x,y轴的坐标,例如(1, 1) <选填>,默认为当前focus的input坐标
    • 作用: 光标移动到上一个input
  • direction.previousLine(x, y)

    • 参数: x,y轴的坐标,例如(1, 1) <选填>,默认为当前focus的input坐标
    • 作用: 光标移动到上一行的input
  • direction.nextLine(x, y)

    • 参数: x,y轴的坐标,例如(1, 1) <选填>,默认为当前focus的input坐标
    • 作用: 光标移动到下一行的input
  • direction.onEnd

    • 作用: 函数,光标移动到最后一个input出发的函数 例如:
    direction.onEnd = function () {
      console.log(111)
    }

在element表格中使用

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  <title>vue-direction-key</title>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
  <!-- 引入组件库 -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
  <!-- 引入vue-direction-key -->
  <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/vue-direction-key/direction.js"></script>
</head>

<body>
    <div id="app">
      <el-table
        :data="tableData"
        style="width: 100%">
        <el-table-column
          prop="date"
          label="日期"
          width="180">
          <template slot-scope="scope">
              <el-input v-model="scope.row.date" placeholder="请输入内容" v-direction="{x: 0, y: scope.$index}"></el-input>
          </template>
        </el-table-column>
        <el-table-column
          prop="name"
          label="姓名"
          width="180">
          <template slot-scope="scope">
              <el-input v-model="scope.row.name" placeholder="请输入内容" v-direction="{x: 1, y: scope.$index}"></el-input>
          </template>
        </el-table-column>
        <el-table-column
          prop="address"
          label="地址">
          <template slot-scope="scope">
              <el-input v-model="scope.row.address" placeholder="请输入内容" v-direction="{x: 2, y: scope.$index}"></el-input>
          </template>
        </el-table-column>
      </el-table>
    </div>
</body>

<script type="text/javascript">
  Vue.use(Direction)
  var app = new Vue({
    el: '#app',
    data: {
      tableData: [{
        date: '2016-05-02',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }, {
        date: '2016-05-04',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1517 弄'
      }, {
        date: '2016-05-01',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1519 弄'
      }, {
        date: '2016-05-03',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1516 弄'
      }]
    },
    created: function () {
      let direction = this.$getDirection()
      direction.on('keyup', function (e, val) {
        console.log(val)
        if (e.keyCode == 39) {
          direction.next()
        }
        if (e.keyCode == 37) {
          direction.previous()
        }
        if (e.keyCode == 38) {
          direction.previousLine()
        }
        if (e.keyCode == 40) {
          direction.nextLine()
        }
      })
    }
  })
</script>
</html>

多个组件共存

如果一个组件里面有多个表格或控件,可以支持自定义指令的参数,例如

<input type="text" v-direction:a="{x: 0, y: 0}">
<input type="text" v-direction:a="{x: 1, y: 0}">
<input type="text" v-direction:b="{x: 0, y: 0}">
<input type="text" v-direction:b="{x: 1, y: 0}">
created: function () {
  let a = this.$getDirection('a')
  a.on('keyup', function (e, val) {
    if (e.keyCode === 39) {
      a.next()
    }
    if (e.keyCode === 37) {
      a.previous()
    }
    if (e.keyCode === 38) {
      a.previousLine()
    }
    if (e.keyCode === 40) {
      a.nextLine()
    }
  })


  let b = this.$getDirection('b')
  b.on('keyup', function (e, val) {
    if (e.keyCode === 39) {
      b.next()
    }
    if (e.keyCode === 37) {
      b.previous()
    }
    if (e.keyCode === 38) {
      b.previousLine()
    }
    if (e.keyCode === 40) {
      b.nextLine()
    }
  })
}