表单的自定义校验

<template>
  <a-form-model ref="ruleForm" :model="ruleForm" :rules="rules" v-bind="layout">

    <!-- 选择环境 -->
    <a-form-model-item  label="切换环境" prop="huanjing">
    <a-select placeholder="请选择环境" @change="handleChange">
      <a-select-option value="dev">
        dev
      </a-select-option>
      <a-select-option value="test">
        test
      </a-select-option>
      <a-select-option value="staging">
        staging
      </a-select-option>
    </a-select>
    </a-form-model-item>

     <!-- 内部账号id -->
    <a-form-model-item  label="内部账号id" prop="zhanghao">
      <a-input v-model="ruleForm.zhanghao"  placeholder="请填写内部账号id"/>
    </a-form-model-item>


      <!-- 密码 -->
    <a-form-model-item  label="Password" prop="pass">
      <a-input-password v-model="ruleForm.pass" type="password" autocomplete="off"  placeholder="必须包含字母、数字，8-16位"/>
    </a-form-model-item>

    <!-- 确认密码 -->
    <a-form-model-item  label="Confirm" prop="checkPass">
      <a-input-password v-model="ruleForm.checkPass" type="password" autocomplete="off" placeholder="请确认密码" />
    </a-form-model-item>

    <!-- 提交和重置  -->
    <a-form-model-item :wrapper-col="{ span: 14, offset: 4 }">
      <a-button type="primary" @click="submitForm('ruleForm')">
        Submit
      </a-button>
      <a-button style="margin-left: 10px" @click="resetForm('ruleForm')">
        Reset
      </a-button>
    </a-form-model-item>

  </a-form-model>
</template>


<script>
export default {
  data() {
    
    let validatePass = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('该字段为必填'));
      } else {
        if (this.ruleForm.checkPass !== '') {
          this.$refs.ruleForm.validateField('checkPass');
        }
        callback();
      }
    };
    let validatePass2 = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('该字段为必填'));
      } else if (value !== this.ruleForm.pass) {
        callback(new Error("两次密码输入不一致"));
      } else {
        callback();
      }
    };

    return {
      ruleForm: {
        pass: '',
        checkPass: '',
        huanjing:'',
        zhanghao:'',
      },
      rules: {
        pass: [
            { validator: validatePass, trigger: 'change' },
            { required: true, message: '该字段为必填' },
            // { min: 8, max: 16, message: '长度在 8 到 16 个字符', trigger: 'change' },
             {
        trigger: 'change',
        validator: (rule, value, callback) => {
          
          var passwordreg = /(?=.*d)(?=.*[a-zA-Z]).{8,16}/

          if (!passwordreg.test(value)) {
            callback(new Error('密码必须由数字、字母组合,请输入8-16位'))
          }else{
            callback()
          }
        } }

            ],
        checkPass: [
            { validator: validatePass2, trigger: 'change' },
            { required: true, message: '该字段为必填' },
            ],
        huanjing:[
            { required: true, message: '该字段为必填' },
            ],
        zhanghao:[
            { required: true, message: '该字段为必填' },
            ], 
      },
      layout: {
        labelCol: { span: 4 },
        wrapperCol: { span: 14 },
      },
    };
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
        //   alert('submit!');
        console.log(this.ruleForm)
        } else {
        //   console.log('error submit!!');
          return false;
        }
      });
    },
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
    handleChange(e){
        this.ruleForm.huanjing=e
    }
  },
};
</script>

表单的使用 https://www.antdv.com/components/form-model-cn/

密码组合校验: https://blog.csdn.net/qq_40295815/article/details/105433190