text: 
  var pattern = {
    email: /^\S+?@\S+?\.\S+?$/,
    idcard: /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/,
    url: new RegExp("^(?!mailto:)(?:(?:http|https|ftp)://|//)(?:\\S+(?::\\S*)?@)?(?:(?:(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[0-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)(?:\\.(?:[a-z\\u00a1-\\uffff0-9]+-*)*[a-z\\u00a1-\\uffff0-9]+)*(?:\\.(?:[a-z\\u00a1-\\uffff]{2,})))|localhost)(?::\\d{2,5})?(?:(/|\\?|#)[^\\s]*)?$", 'i')
  };
  
  const FORMAT_MAPPING = {
    "int": 'number',
    "bool": 'boolean',
    "double": 'number',
    "long": 'number',
    "password": 'string'
    // "fileurls": 'array'
  }
  
  function formatMessage(args, resources = '') {
    var defaultMessage = ['label']
    defaultMessage.forEach((item) => {
      if (args[item] === undefined) {
        args[item] = ''
      }
    })
  
    let str = resources
    for (let key in args) {
      let reg = new RegExp('{' + key + '}')
      str = str.replace(reg, args[key])
    }
    return str
  }
  
  function isEmptyValue(value, type) {
    if (value === undefined || value === null) {
      return true;
    }
  
    if (typeof value === 'string' && !value) {
      return true;
    }
  
    if (Array.isArray(value) && !value.length) {
      return true;
    }
  
    if (type === 'object' && !Object.keys(value).length) {
      return true;
    }
  
    return false;
  }
  
  const types = {
    integer(value) {
      return types.number(value) && parseInt(value, 10) === value;
    },
    string(value) {
      return typeof value === 'string';
    },
    number(value) {
      if (isNaN(value)) {
        return false;
      }
      return typeof value === 'number';
    },
    "boolean": function (value) {
      return typeof value === 'boolean';
    },
    "float": function (value) {
      return types.number(value) && !types.integer(value);
    },
    array(value) {
      return Array.isArray(value);
    },
    object(value) {
      return typeof value === 'object' && !types.array(value);
    },
    date(value) {
      return value instanceof Date;
    },
    timestamp(value) {
      if (!this.integer(value) || Math.abs(value).toString().length > 16) {
        return false
      }
  
      return this.date(value);
    },
    file(value) {
      return typeof value.url === 'string';
    },
    email(value) {
      return typeof value === 'string' && !!value.match(pattern.email) && value.length < 255;
    },
    url(value) {
      return typeof value === 'string' && !!value.match(pattern.url);
    },
    pattern(reg, value) {
      try {
        return new RegExp(reg).test(value);
      } catch (e) {
        return false;
      }
    },
    method(value) {
      return typeof value === 'function';
    },
    idcard(value) {
      return typeof value === 'string' && !!value.match(pattern.idcard);
    },
    'url-https'(value) {
      return this.url(value) && value.startsWith('https://');
    },
    'url-scheme'(value) {
      return value.startsWith('://');
    },
    'url-web'(value) {
      return false;
    }
  }
  
  class RuleValidator {
  
    constructor(message) {
      this._message = message
    }
  
    async validateRule(fieldKey, fieldValue, value, data, allData) {
      var result = null
  
      let rules = fieldValue.rules
  
      let hasRequired = rules.findIndex((item) => {
        return item.required
      })
      if (hasRequired < 0) {
        if (value === null || value === undefined) {
          return result
        }
        if (typeof value === 'string' && !value.length) {
          return result
        }
      }
  
      var message = this._message
  
      if (rules === undefined) {
        return message['default']
      }
  
      for (var i = 0; i < rules.length; i++) {
        let rule = rules[i]
        let vt = this._getValidateType(rule)
  
        Object.assign(rule, {
          label: fieldValue.label || `["${fieldKey}"]`
        })
  
        if (RuleValidatorHelper[vt]) {
          result = RuleValidatorHelper[vt](rule, value, message)
          if (result != null) {
            break
          }
        }
  
        if (rule.validateExpr) {
          let now = Date.now()
          let resultExpr = rule.validateExpr(value, allData, now)
          if (resultExpr === false) {
            result = this._getMessage(rule, rule.errorMessage || this._message['default'])
            break
          }
        }
  
        if (rule.validateFunction) {
          result = await this.validateFunction(rule, value, data, allData, vt)
          if (result !== null) {
            break
          }
        }
      }
  
      if (result !== null) {
        result = message.TAG + result
      }
  
      return result
    }
  
    async validateFunction(rule, value, data, allData, vt) {
      let result = null
      try {
        let callbackMessage = null
        const res = await rule.validateFunction(rule, value, allData || data, (message) => {
          callbackMessage = message
        })
        if (callbackMessage || (typeof res === 'string' && res) || res === false) {
          result = this._getMessage(rule, callbackMessage || res, vt)
        }
      } catch (e) {
        result = this._getMessage(rule, e.message, vt)
      }
      return result
    }
  
    _getMessage(rule, message, vt) {
      return formatMessage(rule, message || rule.errorMessage || this._message[vt] || message['default'])
    }
  
    _getValidateType(rule) {
      // TODO
      var result = ''
      if (rule.required) {
        result = 'required'
      } else if (rule.format) {
        result = 'format'
      } else if (rule.arrayType) {
        result = 'arrayTypeFormat'
      } else if (rule.range) {
        result = 'range'
      } else if (rule.maximum || rule.minimum) {
        result = 'rangeNumber'
      } else if (rule.maxLength || rule.minLength) {
        result = 'rangeLength'
      } else if (rule.pattern) {
        result = 'pattern'
      } else if (rule.validateFunction) {
        result = 'validateFunction'
      }
      return result
    }
  }
  
  const RuleValidatorHelper = {
    required(rule, value, message) {
      if (rule.required && isEmptyValue(value, rule.format || typeof value)) {
        return formatMessage(rule, rule.errorMessage || message.required);
      }
  
      return null
    },
  
    range(rule, value, message) {
      const { range, errorMessage } = rule;
  
      let list = new Array(range.length);
      for (let i = 0; i < range.length; i++) {
        const item = range[i];
        if (types.object(item) && item.value !== undefined) {
          list[i] = item.value;
        } else {
          list[i] = item;
        }
      }
  
      let result = false
      if (Array.isArray(value)) {
        result = (new Set(value.concat(list)).size === list.length);
      } else {
        if (list.indexOf(value) > -1) {
          result = true;
        }
      }
  
      if (!result) {
        return formatMessage(rule, errorMessage || message['enum']);
      }
  
      return null
    },
  
    rangeNumber(rule, value, message) {
      if (!types.number(value)) {
        return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
      }
  
      let { minimum, maximum, exclusiveMinimum, exclusiveMaximum } = rule;
      let min = exclusiveMinimum ? value <= minimum : value < minimum;
      let max = exclusiveMaximum ? value >= maximum : value > maximum;
  
      if (minimum !== undefined && min) {
        return formatMessage(rule, rule.errorMessage || message['number'].min)
      } else if (maximum !== undefined && max) {
        return formatMessage(rule, rule.errorMessage || message['number'].max)
      } else if (minimum !== undefined && maximum !== undefined && (min || max)) {
        return formatMessage(rule, rule.errorMessage || message['number'].range)
      }
  
      return null
    },
  
    rangeLength(rule, value, message) {
      if (!types.string(value) && !types.array(value)) {
        return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
      }
  
      let min = rule.minLength;
      let max = rule.maxLength;
      let val = value.length;
  
      if (min !== undefined && val < min) {
        return formatMessage(rule, rule.errorMessage || message['length'].min)
      } else if (max !== undefined && val > max) {
        return formatMessage(rule, rule.errorMessage || message['length'].max)
      } else if (min !== undefined && max !== undefined && (val < min || val > max)) {
        return formatMessage(rule, rule.errorMessage || message['length'].range)
      }
  
      return null
    },
  
    pattern(rule, value, message) {
      if (!types['pattern'](rule.pattern, value)) {
        return formatMessage(rule, rule.errorMessage || message.pattern.mismatch);
      }
  
      return null
    },
  
    format(rule, value, message) {
      var customTypes = Object.keys(types);
      var format = FORMAT_MAPPING[rule.format] ? FORMAT_MAPPING[rule.format] : (rule.format || rule.arrayType);
  
      if (customTypes.indexOf(format) > -1) {
        if (!types[format](value)) {
          return formatMessage(rule, rule.errorMessage || message.typeError);
        }
      }
  
      return null
    },
  
    arrayTypeFormat(rule, value, message) {
      if (!Array.isArray(value)) {
        return formatMessage(rule, rule.errorMessage || message.typeError);
      }
  
      for (let i = 0; i < value.length; i++) {
        const element = value[i];
        let formatResult = this.format(rule, element, message)
        if (formatResult !== null) {
          return formatResult
        }
      }
  
      return null
    }
  }
  
  class SchemaValidator extends RuleValidator {
  
    constructor(schema, options) {
      super(SchemaValidator.message);
  
      this._schema = schema
      this._options = options || null
    }
  
    updateSchema(schema) {
      this._schema = schema
    }
  
    async validate(data, allData) {
      let result = this._checkFieldInSchema(data)
      if (!result) {
        result = await this.invokeValidate(data, false, allData)
      }
      return result.length ? result[0] : null
    }
  
    async validateAll(data, allData) {
      let result = this._checkFieldInSchema(data)
      if (!result) {
        result = await this.invokeValidate(data, true, allData)
      }
      return result
    }
  
    async validateUpdate(data, allData) {
      let result = this._checkFieldInSchema(data)
      if (!result) {
        result = await this.invokeValidateUpdate(data, false, allData)
      }
      return result.length ? result[0] : null
    }
  
    async invokeValidate(data, all, allData) {
      let result = []
      let schema = this._schema
      for (let key in schema) {
        let value = schema[key]
        let errorMessage = await this.validateRule(key, value, data[key], data, allData)
        if (errorMessage != null) {
          result.push({
            key,
            errorMessage
          })
          if (!all) break
        }
      }
      return result
    }
  
    async invokeValidateUpdate(data, all, allData) {
      let result = []
      for (let key in data) {
        let errorMessage = await this.validateRule(key, this._schema[key], data[key], data, allData)
        if (errorMessage != null) {
          result.push({
            key,
            errorMessage
          })
          if (!all) break
        }
      }
      return result
    }
  
    _checkFieldInSchema(data) {
      var keys = Object.keys(data)
      var keys2 = Object.keys(this._schema)
      if (new Set(keys.concat(keys2)).size === keys2.length) {
        return ''
      }
  
      var noExistFields = keys.filter((key) => { return keys2.indexOf(key) < 0; })
      var errorMessage = formatMessage({
        field: JSON.stringify(noExistFields)
      }, SchemaValidator.message.TAG + SchemaValidator.message['defaultInvalid'])
      return [{
        key: 'invalid',
        errorMessage
      }]
    }
  }
  
  function Message() {
    return {
      TAG: "",
      default: '验证错误',
      defaultInvalid: '提交的字段{field}在数据库中并不存在',
      validateFunction: '验证无效',
      required: '{label}必填',
      'enum': '{label}超出范围',
      timestamp: '{label}格式无效',
      whitespace: '{label}不能为空',
      typeError: '{label}类型无效',
      date: {
        format: '{label}日期{value}格式无效',
        parse: '{label}日期无法解析,{value}无效',
        invalid: '{label}日期{value}无效'
      },
      length: {
        min: '{label}长度不能少于{minLength}',
        max: '{label}长度不能超过{maxLength}',
        range: '{label}必须介于{minLength}和{maxLength}之间'
      },
      number: {
        min: '{label}不能小于{minimum}',
        max: '{label}不能大于{maximum}',
        range: '{label}必须介于{minimum}and{maximum}之间'
      },
      pattern: {
        mismatch: '{label}格式不匹配'
      }
    };
  }
  
  
  SchemaValidator.message = new Message();
  
  export default SchemaValidator
  