<el-form
        :model="ruleForm"
        status-icon
        :rules="rules"
        ref="ruleForm"
        label-width="100px"
        class="demo-ruleForm"
      >
        <el-form-item label="密码" prop="pass">
          <el-input
            type="password"
            v-model="ruleForm.pass"
            autocomplete="off"
          ></el-input>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="ruleForm.username" placeholder="用户名">
          </el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="submitForm('ruleForm')"
            >提交</el-button
          >
        </el-form-item>
      </el-form>
      
<script>


export default {
  name: "Documentation",
  components: { DropdownMenu },
  data() {
    var checkPhoneOrEmail = function (rule, value, callback) {
      //这个对象同时校验phone和email
      const mailReg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/; //邮箱验证
      const reg = /(^1\d{10}$)|(^[0-9]\d{7}$)/; //手机号验证
      if (!value) {
        return callback(new Error("用户名不能为空"));
      } else {
        if (value.indexOf("@") > 0) {
          //含有字母@
          setTimeout(() => {
            if (mailReg.test(value)) {
              callback();
            } else {
              callback(new Error("邮箱格式不正确"));
            }
          }, 100);
        } else {
          let re = new RegExp(reg);
          if (!re.test(value)) {
            callback(new Error("手机号格式不正确"));
          } else {
            callback();
          }
        }
      }
    };

    var validatePass = (rule, value, callback) => {
      if (value === "") {
        callback(new Error("请输入密码"));
      } else {
        if (this.ruleForm.checkPass !== "") {
          this.$refs.ruleForm.validateField("checkPass");
        }
        callback();
      }
    };

    return {
      ruleForm: {
        pass: "",
        username: "",
      },
      rules: {
        pass: [{ validator: validatePass, trigger: "blur" }],
        username: [
          { required: true, message: "用户名不能为空", trigger: "blur" },
          { validator: checkPhoneOrEmail, trigger: "blur" },
        ], //validator传入一个对象
      },

 
    };
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          alert("submit!");
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
  },
};
</script>

同时校验手机号，座机号码

export default {
  name: "",
  data() {
    var checkPhoneOrEmail = function (rule, value, callback) {
      //这个对象同时校验phone和email
      const mailReg = /^0\d{2,3}-?\d{7,8}$/; //  座机
      const reg = /(^1\d{10}$)|(^[0-9]\d{7}$)/; //手机号验证

      if (value.indexOf("-") > 0) {
        //含 -
        setTimeout(() => {
          let mai = new RegExp(mailReg);
          if (!mai.test(value)) {
            callback(new Error("手机号格式不正确"));
          } else {
            callback();
          }
        }, 100);
      } else {
        let re = new RegExp(reg);
        if (!re.test(value)) {
          callback(new Error("手机号格式不正确"));
        } else {
          callback();
        }
      }
    };

    return {
      rules: {       
        invoicingPhone: [
          { required: true, message: "开票电话不能为空", trigger: "blur" },
          { validator: checkPhoneOrEmail, trigger: "blur" },      
        ],
      
      },
    };
  },

非必填校验 手机号和邮箱

<template>
      <el-form  :rules="warningRules"  ref="warningForm">
         <el-form-item
            label="余额预警通知账号2："
            prop="mobileTwo"
            class="warn"
          >
            <el-input
              v-model="warningForm.mobileTwo"
              placeholder="填写接收预警通知手机号或邮箱账号"
            />
          </el-form-item>
          <el-form-item
            label="余额预警通知账号3："
            prop="mobileThree"
            class="warn"
          >
            <el-input
              v-model="warningForm.mobileThree"
              placeholder="填写接收预警通知手机号或邮箱账号"
            />
          </el-form-item>
          <el-form-item class="warn but_content" style="text-align: center">
            <el-button
              type="primary"
              size="small"
              @click="addMerchantEarlyWarning()"
              >确认提交</el-button
            >
          </el-form-item>
        </el-form>
 
</template>
  
 data() {
    var checkPhoneOrEmail = function (rule, value, callback) {
      //这个对象同时校验phone和email
      const mailReg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/; //邮箱验证
      const reg = /(^1\d{10}$)|(^[0-9]\d{7}$)/; //手机号验证
      if (value) {
        if (value.indexOf("@") > 0) {
          //含有字母@
          setTimeout(() => {
            if (mailReg.test(value)) {
              callback();
            } else {
              callback(new Error("邮箱格式不正确"));
            }
          }, 100);
        } else {
          let re = new RegExp(reg);
          if (!re.test(value)) {
            callback(new Error("手机号格式不正确"));
          } else {
            callback();
          }
        }
      } else {
        callback;
      }
    };
    return {
      warningRules: {
        balanceEarlyWarning: [
          { required: true, message: "请设置预警金额", trigger: "blur" },
        ],
        mobileTwo: [
          { required: false, validator: checkPhoneOrEmail, trigger: "blur" },
        ],
        mobileThree: [
          { required: false, validator: checkPhoneOrEmail, trigger: "blur" },
        ],
      },
    }
  },
  methods:{
    // 保存商户余额预警
    addMerchantEarlyWarning() {
      this.$refs.warningForm.validate((valid) => {
        if (valid) {
          submitMerchantEarlyWarning(this.warningForm).then((res) => {
            if (res.code == 200) {
              if (res.data.code == 200) {
                this.$modal.msgSuccess(res.msg);
              } else {
                this.$modal.msgError(res.data.msg);
              }

              this.warningView = false;
            } else {
              this.$modal.msgError(res.msg);
            }
          });
        } else {
          return false;
        }
      });
    },
    }