vue使用自定义事件的表单输入组件用法详解【日期组件与货币组件】

<input v-model="something">

<input
v-bind:value="something"
v-on:input="something = $event.target.value">

<template>
   <input ref='dateinput' type="date" class="form-control" v-bind:value="svalue(value)" v-on:input="uvalue($event.target.value)" />
</template>
<script type="text/javascript">
  export default{
    props:['value'],
    methods:{
      svalue(value){
        if(value) {
          return $api.dateFormat(value);
        }else{
          return '';
        }
      },
      uvalue(value){
        var _val = value.split('-');
        //大于1970时才触发事件，以防止用户手动输入年份时计算不正确
        if(value && _val[0]>=1970){
          this.$emit('input',$api.getLong(value));
        }
      }
    }
  }
  //dateFormat函数 long转date型
  var dateFormat=function(longTypeDate){ 
    var dateType = ""; 
    if(longTypeDate){
      longTypeDate = parseInt(longTypeDate);
      var date = new Date(longTypeDate); 
      dateType += date.getFullYear();  //年 
      dateType += "-" + getMonth(date); //月  
      dateType += "-" + getDay(date);  //日 
    }else{
      dateType = (new Date()).format("yyyy-MM-dd") ;
    }
    return dateType;
  } 
  //返回 01-12 的月份值  
  var getMonth=function (date){ 
    var month = ""; 
    month = date.getMonth() + 1; //getMonth()得到的月份是0-11 
    if(month<10){ 
      month = "0" + month; 
    } 
    return month; 
  } 
  //返回01-30的日期 
  var getDay=function (date){ 
    var day = ""; 
    day = date.getDate(); 
    if(day<10){ 
      day = "0" + day; 
    } 
    return day; 
  }
  //getLong函数 date转long型
  var getLong = function(date){
    date=Date.parse(date.replace(new RegExp("-","gm"),"/"));
    return date;
  }
</script>

<template>
  <div>
    <dates name="guaranteeBeginDay" v-model="guaranteeBeginDay" />
  </div>
</template>
<script>
  import dates from '../dates/dates.vue'
  export default{
    data(){
      return {
        guaranteeBeginDay:1509697628823 //long型数据
      }
    }
  }
</script>

<template>
  <input refs="currencyinput" class="form-control" type="text" v-bind:value="showValue(value)" v-on:input="updateValue($event)" />
</template>

<script type="text/javascript">

  export default{
    props:['value'],
    methods:{
      showValue(value){
        if(!!!value){
         return '0';
        }
        return (value+'').replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, '$&,');
      },
      updateValue(el){
        var value = el.target.value ;
        value = value.replace(/[^\d.]/g,"")
             .replace(/\.{2,}/g,".")
             .replace(".","$#$").replace(/\./g,"").replace("$#$",".")
             .replace(/^(\-)*(\d+)\.(\d\d).*$/,'$1$2.$3');//只能输入两个小数 
        if(value.indexOf(".") < 0 && value !=""){//以上已经过滤，此处控制的是如果没有小数点，首位不能为类似于 01、02的金额 
          if(value.substr(0,1) == '0' && value.length == 2){ 
            value = value.substr(1,value.length);   
          } 
        }
        el.target.value = value.replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, '$&,');

        this.$emit('input', value);
      }
    }
  }
</script>

<template>
  <div>
    <currency name="money" v-model="money" />
  </div>
</template>
<script>
  import dates from '../currency/currency.vue'
  export default{
    data(){
      return {
        money:12934350.34 
      }
    }
  }
</script>

this.$emit('input',$api.getLong(value)); || this.$emit('input', value);

<dates name="guaranteeBeginDay"
v-model="guaranteeBeginDay" /> || <currency 
name="money" v-model="money" />

<input
v-bind:value="something"
v-on:input="something = $event.target.value">