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common/filters.js 1.5 KB
eb4f2617   chenbiao   add filters
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  // 为空处理  return ‘-’
  const tranNull = value => {
  	if (value === null || value === undefined || value === '') return '-'
  	return value
  }
  
  
  /*
      @切割字符串
      @str原字符串
      @num字符位数
  */
  const cutString = (str, num) => {
  	var _str = "";
  	if (str == null) {
  		return "";
  	}
  	if (str.length >= num) {
  		var strN = str.substring(0, num);
  		strN += "...";
  		_str = strN;
  	} else {
  		_str = str;
  	}
  	return _str;
  }
  
  // 钱前面加“¥”
  const RMB = (value) => {
  	if (value === '--' || value === null || value === undefined) return value
  	return `¥${value}`
  }
  
  // 保留两位小数
  const toFixed2 = num => {
  	let f = Number(parseFloat(num));
  	if (isNaN(f)) return false;
  	let z = Math.round(num * 100) / 100;
  	let s = z.toString();
  	let rs = s.indexOf('.');
  	if (rs < 0) {
  		rs = s.length;
  		s += '.';
  	}
  	while (s.length <= rs + 2) {
  		s += '0';
  	}
  	return s
  }
  
  // 数字每三位加个逗号
  const toThousands =(num)=> {
      var result = [],
        counter = 0;
      num = (num || 0).toString().split('');
      for (var i = num.length - 1; i >= 0; i--) {
        counter++;
        result.unshift(num[i]);
        if (!(counter % 3) && i != 0) {
          result.unshift(',');
        }
      }
      return result.join('');
    }
   
   // 根据身份证号码判断男女
   const sexFilter = value => {
   	if (!value) {
   	    return ''
   	} else {
   	    let data = value.substr(16, 1) % 2 === 1 ? '男' : '女'
   	    return data
   	}
   }
  
  export default {
  	tranNull,
  	RMB,
  	cutString,
  	toFixed2,
  	toThousands,
  	sexFilter,
  }