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Detailed explanation of the steps to introduce js numeric keypad in vue

php中世界最好的语言
php中世界最好的语言Original
2018-05-21 15:18:272490browse

This time I will bring you a detailed explanation of the steps for introducing js numeric keypad into vue. What are the precautions for introducing js numeric keypad into vue. The following is a practical case, let’s take a look.

The effect is as shown:

The code is as follows:

keyboard.vue

<template> 
 <p class="keyboard" v-show="showKeyboard" v-clickoutside="closeModal"> 
  <p v-for="keys in keyList"> 
   <template v-for="key in keys"> 
    <i v-if="key === &#39;top&#39;" @click.stop="clickKey" class="iconfont icon-zhiding tab-top"></i> 
    <i v-else-if="key === &#39;123&#39;" @click.stop="clickKey" class="tab-num">123</i> 
    <i v-else-if="key === &#39;del&#39;" @click.stop="clickKey" id="del" class="iconfont icon-delete key-delete"></i> 
    <i v-else-if="key === &#39;blank&#39;" @click.stop="clickKey" class="iconfont icon-konggejian-jianpanyong tab-blank"></i> 
    <i v-else-if="key === &#39;symbol&#39;" @click.stop="clickKey" class="tab-symbol">符</i> 
    <i v-else-if="key === &#39;point&#39;" @click.stop="clickKey" class="tab-point">·</i> 
    <i v-else-if="key === &#39;enter&#39;" @click.stop="clickKey" class="iconfont icon-huiche tab-enter"></i> 
    <i v-else @click.stop="clickKey" >{{key}}</i> 
   </template> 
  </p> 
 </p> 
</template> 
<script> 
import clickoutside from '../../directives/clickoutside' 
export default { 
 directives: { clickoutside }, 
 data() { 
  return { 
   keyList: [], 
   status: 2,//0 小写 1 大写 2 数字 3 符号 
   lowercase: [ 
    ['7', '8', '9'], 
    ['4', '5', '6'], 
    ['1', '2', '3'], 
    ['.','0','del'], 
   ], 
   //equip:!!navigator.userAgent.toLocaleLowerCase().match(/ipad|mobile/i)//是否是移动设备 
  } 
 }, 
 props: { 
  option: { 
   type: Object 
  } 
 }, 
 computed: { 
  showKeyboard(){ 
   return this.option.show 
  } 
 }, 
 mounted() { 
  this.keyList = this.lowercase 
 }, 
 methods: { 
  tabHandle({ value = '' }) { 
   if(value.indexOf('tab-num') > -1){ 
     this.status = 2 
     //数字键盘数据 
   }else if(value.indexOf('key-delete') > -1){ 
    console.log(value.indexOf('key-delete')) 
    this.emitValue('delete') 
   }else if(value.indexOf('tab-blank') > -1){ 
    this.emitValue(' ') 
   }else if(value.indexOf('tab-enter') > -1){ 
    this.emitValue('\n') 
   }else if(value.indexOf('tab-point') > -1){ 
    this.emitValue('.') 
   }else if(value.indexOf('tab-symbol') > -1){ 
    this.status = 3 
   }else if(value.indexOf('tab-top') > -1){ 
    if(this.status === 0){ 
     this.status = 1 
    }else{ 
     this.status = 0 
     this.keyList = this.lowercase 
    } 
   }else{ 
   } 
  }, 
  clickKey(event) { 
   // if(event.type === 'click' && this.equip) return 
   let value = event.srcElement.innerText; 
   let id = event.srcElement.id; 
   let target = event.srcElement ? event.srcElement : event.target; 
   if(id !== '' && id === 'del'){//如果点击的是id为del的表示是删除 
    this.emitValue(id); 
   }else{//否则 
    value && id !== 'del'? this.emitValue(value) : this.tabHandle(target.classList); 
   } 
  }, 
  emitValue(key) { 
   console.log(key) 
   this.$emit('keyVal', key) 
  }, 
  closeModal(e) { 
   if (e.target !== this.option.sourceDom) { 
    // this.showKeyboard = false 
    this.$emit('close', false) 
   } 
  } 
 } 
} 
</script> 
<style scoped lang="less"> 
keyboard { 
  display: inline-block; 
 width: 263px; 
 font-size: 18px; 
 border-radius: 2px; 
 background-color: #e5e6e8; 
 user-select: none; 
 bottom: 0; 
 position: absolute;/*定位数字键盘*/ 
 left: -20px; 
 top: 77px; 
 z-index: 999; 
 pointer-events: auto; 
 p { 
  width: 100%; 
  margin: 0 auto; 
  height: 42px; 
  margin-bottom: 0.5em; 
  display: flex; 
  display: -webkit-box; 
  flex-direction: row; 
  flex-wrap: nowrap; 
  justify-content: center; 
  i { 
   display: block; 
   margin: 0 0.2%; 
   height: 50px; 
   line-height: 52px; 
   font-style: normal; 
   font-size: 24px; 
   border-radius: 3px; 
   width: 44px; 
   background-color: #fff; 
   text-align: center; 
   flex-grow: 1; 
   flex-shrink: 1; 
   flex-basis: 0; 
   -webkit-box-flex: 1; 
   &:active { 
    background-color: darken(#ccc, 10%); 
   } 
  } 
  .tab-top { 
   width: 50px; 
   margin: 0 1%; 
   background: #cccdd0; 
   color: #fff; 
   font-size: 24px; 
  } 
  .key-delete { 
   width: 47px; 
   margin: 0 0.2%; 
   color: #827f7f; 
   background: ; 
  } 
  .tab-num { 
   font-size: 18px; 
   background: #dedede; 
   color: #5a5959; 
  } 
  .tab-point { 
   width: 20px; 
  } 
  .tab-blank { 
   width: 50px; 
   font-size: 12px; 
   padding: 0 15px; 
   color: #5a5959; 
   line-height: 60px; 
  } 
  .tab-symbol { 
   width: 20px; 
   font-size: 18px; 
  } 
  .tab-enter { 
   font-size: 30px; 
   line-height: 54px; 
  } 
  &:nth-child(2) { 
   width: 100%; 
  } 
 } 
} 
</style>

Introduce the code on the usage page:

html code

Introducing the numeric keypad vue

Registering the introduced primary key

defined method

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other php Chinese websites related articles!

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