密码大于等于9位，包含大、小写字母、特殊符号、数字至少3种

validatePassword(rule, value, callback) {
  if (this.xxx.trim() == "") {
    callback(new Error("请输入密码"));
  } else {
    let check = /(^.*(?=.{9})(?=.*\d)(?=.*[a-zA-Z])(?=.*[~!@#$%^&*()_+[\]{}|\;:'",./<>?-]).*$)|(^.*(?=.{8,20})(?=.*\d)(?=.*[a-z])(?=.*\d)(?=.*[A-Z]).*$)|(^.*(?=.{8,20})(?=.*\d)(?=.*[a-z])(?=.*[~!@#$%^&*()_+[\]{}|\;:'",./<>?-]).*$)|(^.*(?=.{8,20})(?=.*\d)(?=.*[A-Z])(?=.*[~!@#$%^&*()_+[\]{}|\;:'",./<>?-]).*$)|(^.*(?=.{8,20})(?=.*[A-Z])(?=.*[a-z])(?=.*[~!@#$%^&*()_+[\]{}|\;:'",./<>?-]).*$)/;
    if (check.test(this.xxx)) {
      callback();
    } else {
      callback("密码必须大于等于9位，且包含大、小写字母、特殊符号、数字至少3种");
    }
  }
},