geg-gas-web/src/utils/dataFormat.ts

import TypeTools, { TYPES } from './type-tools';

const FormatType = {
  DATE: 'date',
  TIME: 'time',
  DATETIME: 'datetime',
  QTY: 'qty',
  AMT: 'amt',
}

const DATE_FORMAT = {
    DEFAULT: 'yyyy-MM-dd HH:mm:ss',
    FULL_DATE: 'yyyy-MM-dd HH:mm:ss.S',
    DATE: 'yyyy-MM-dd',
    YEAR_MONTH: 'yyyy-MM',
    TIME: 'HH:mm:ss'
}


const DataFormat = {
  /**
   * 格式化日期
   * @param date 日期
   * @param formatString 格式化字符串
   * @returns 格式化后的日期
   */
  format: (data: any, options:FormatOption[]) => {
     for (let i = 0; i < options.length; i++) {
       const option = options[i];
       data = option.format(data);
     }
     return data;
  },
  test: () => {
      let data: any[] = [
      {
        id: 1,
        name: 'John',
        age: 30,
        total: 100548931,
        amt: 12121.256,
        createDate: new Date()
      },
        {
        id: 2,
        name: 'John-1',
        age: 30,
        total: 8564355.78832,
        amt: 12121.256,
        createDate: "2025-06-26 10:25:06.125"
      }
      ];

      DataFormat.format(data, [
        new FormatOption('total', FormatType.QTY,"###,###,###,###,###,###,###.00"),
        new FormatOption('amt', FormatType.AMT, 2),
        new FormatOption('createDate', FormatType.DATE, DATE_FORMAT.DATE)
      ]);
      console.log(data);
  },
};

class FormatOption {
  key:string;
  type: string;
  formatString: string|number;

  constructor(key:string,type: string, formatString: string|number) {
    this.key = key;
    this.type = type;
    this.formatString = formatString;
  }

  static createDate(key:string,type: string, formatString: string){
     return new FormatOption(key,type,formatString);
  }

  static createQty(key:string,decimal?:number){
    return new FormatOption(key,FormatType.QTY,decimal!=undefined?decimal:3);
  }

  static createAmt(key:string){
     return new FormatOption(key,FormatType.AMT,2);
  }

  format(data:any):any{
    var keys = this.key.split(".");
    let valueKey = keys[keys.length-1];
    let valueData:any = undefined;
    if(keys.length<=1){
       valueData = data;
    }else{
       valueData = TypeTools.getNestedValue(data,keys.splice(0,keys.length-1));
    }
    if(valueData!=undefined && TypeTools.isArray(valueData)){
       for (let i = 0; i < valueData.length; i++) {
          let item = valueData[i];
          let val = item[valueKey];
          item[valueKey] = this.formatValue(val);
       }    
    }else{
        let val = valueData[valueKey];
        valueData[valueKey] = this.formatValue(val);
    }
    return data;
  }  

  formatValue(value:any):any{
    if(value==undefined || value==null) return value;
    try {
      if(this.type==FormatType.DATE || this.type==FormatType.TIME || this.type==FormatType.DATETIME){
        let fmt = this.formatString as string;
        return Date.valueOf(value).format(fmt);
      }else if(this.type==FormatType.QTY || this.type==FormatType.AMT){
        let numFmt = undefined;
        if(Number.is(this.formatString)){
           numFmt = this.createNumberFmt(this.formatString as number);
        }else{
           numFmt = this.formatString as string;
        }
        return Number.format(Number.parse(value),numFmt) ;
      } 
    } catch (error) {
      return value;
    }
  }

  createNumberFmt(num:number){
     let numFmt = "###,###,###,###,###,###";
     if(num>0){
        numFmt += ".";
        for (let i = 0; i < num; i++) {
          numFmt += "0";
        }
     }
     return numFmt;
  }
}

export {DataFormat,FormatOption,DATE_FORMAT,FormatType};