// 隐藏手机号function hideMobile(phone) {  return phone.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');}/* 处理支付只能输入两位小数* add by Jack on 20180525* @param value*/handlePayAmount(value) {      if (/^\d*?\.?\d{0,2}?$/gi.test(value)) {        if (/^0+[1-9]+/.test(value)) {          value = value.replace(/^0+/, "");        }        if (/^0{2}\./.test(value)) {          value = value.replace(/^0+/, "0");        }        value = value.replace(/^\./gi, "0.");        // if (parseFloat(value) > 200) {        //   value = "200.00";        // }        return value;      }}function handlePayAmount(value) {  value = String(value);  let indexOfDot = value.indexOf(".");  if (indexOfDot == -1) {    value = value * 1;// 去除前面多余的 0  } else {    let str_ = value.substr(indexOfDot + 1);    //限制只能输入一个小数点      if (str_.indexOf(".") != -1) {      value = value.substr(0, indexOfDot + str_.indexOf(".") + 1);    }    if (indexOfDot == 0) {      value = "0" + value;    }    value = value.substr(0, indexOfDot + 3);// 只能输入两位小数    // TODO 去除前面多余的 0    if (value > 0 && value.length > (indexOfDot+1)) {      value = value * 1;    }  }  return value || '';}