vue3自定义确认密码匹配验证规则的操作代码

// 自定义确认密码匹配验证规则
const matchPassword = (rules:any, value:any, callback:any) => {
	if (value != addData.payPwd) {
		callback(new Error('两次密码输入不一致！'))
	} else {
		callback()
	}
}
const rules = reactive({
  payPwd: [
    { required: true, message: "请输入支付密码", trigger: "blur" },
    {
      pattern: /^\d+$/,
      message: "只能输入6位数字",
      trigger: "blur",
    },
  ],
  repeatedPwd: [
    { required: true, message: "请输入支付密码", trigger: "blur" },
    {
      pattern: /^\d+$/,
      message: "只能输入6位数字",
      trigger: "blur",
    },
    {validator: matchPassword, trigger: 'blur'}
  ],
});
 <el-dialog
      v-model="AddDialog"
      title="新增会员"
      width="700px"
      @close="closeDialog"
    >
      <el-form
        ref="categoryFormRef"
        :model="addData"
        :rules="rules"
        label-width="120px"
      >
        <el-form-item label="支付密码" prop="payPwd">
          <el-input
            v-model="addData.payPwd"
            placeholder="请输入支付密码"
            show-password
            maxLength="6"
          />
        </el-form-item>
        <el-form-item label="确认支付密码" prop="repeatedPwd">
          <el-input
            v-model="addData.repeatedPwd"
            placeholder="请输入支付密码"
            show-password
            maxLength="6"
          />
        </el-form-item>
      </el-form>
      <template #footer> 
        <div class="dialog-footer">
          <el-button type="primary" @click="handleAdd">确 定</el-button>
          <el-button @click="closeDialog">取 消</el-button>
        </div>
      </template>
    </el-dialog>

yarn add element-ui

import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
Vue.use(ElementUI);

<el-form ref="form" :model="form" :rules="rules">
     <el-form-item label="新密码" prop="newPwd">
          <el-input type="password" v-model="form.newPwd"></el-input>
     </el-form-item>
     <el-form-item label="确认密码" prop="confirmPwd">
          <el-input type="password" v-model="form.confirmPwd"></el-input>
     </el-form-item>
     <el-form-item>
          <el-button @click="confirmBtn">确认</el-button>
          <el-button @click="resetBtn">重置</el-button>
     </el-form-item>
</el-form>

data() {
     var checkPwd = (rule, value, callback) => {
          if (value === this.form.newPwd) {
                callback();
            } else {
                callback(new Error('两次输入密码不一致!'));
            }
        }
     return {
          form: {
                newPwd: '',
                confirmPwd: ''
            },
          rules: {
                newPwd: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 12, message: '长度在 6 到 12 个字符', trigger: 'blur' }
                ],
                confirmPwd: [
                    { required: true, message: '请再次输入密码', trigger: 'blur' },
                    { min: 6, max: 12, message: '长度在 6 到 12 个字符', trigger: 'blur' },
                    { validator: checkPwd, trigger: 'blur' }
                ]
            }
        }
    },

methods: {
     //确认按钮
     confirmBtn() {
          this.$refs.form.validate(res => {
                if (res) {
                    console.log('修改成功');
                } else {
                    console.log('修改失败');
                    return false;
                }
            });
        },
     //重置按钮
     resetBtn() {
          this.$refs.form.resetFields();
        }
    }