var utilsJs = {
  pxConversionMm(value) {
    /*px转换为mm*/
    var inch = value / this.conversion_getDPI()[0]
    var c_value = inch * 25.4
    return c_value
  },
  mmConversionPx(value) {
    /*mm转换为px*/
    //in 英尺单位 1in = 25.4 mm
    var inch = value / 25.4
    var c_value = inch * this.conversion_getDPI()[0]
    return c_value
  },
  indexToWords(index){
    let arr = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
    return arr[index];
  },
  sectionToChinese(section) {
    let chnNumChar = ['', '一', '二', '三', '四', '五', '六', '七', '八', '九']
    let chnUnitChar = ['', '十', '百', '千']
    let strIns = '',chnStr = ''
    let unitPos = 0
    let zero = true
    let count = section
    while (section > 0) {
      var v = section % 10
      if (v === 0) {

        if (!zero) {
          zero = true
          chnStr = chnNumChar[v] + chnStr
        }
      } else {
        zero = false

        if(unitPos == 1 && parseInt(count/10) == 1){
          chnStr = chnUnitChar[unitPos] + chnNumChar[count%10]
        }else{
          strIns = chnNumChar[v]
          strIns += chnUnitChar[unitPos]
          chnStr = strIns + chnStr
        }

      }
      unitPos++
      section = Math.floor(section / 10)
    }
    return chnStr
  },

}