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看起来你正在编写一个 Vue.js 组件的代码，但它有一些语法错误和结构问题。让我帮你整理一下这个代码，并确保它在 Vue.js 中正确运行。以下是修正后的示例：

<template>
  <div>
    <div v-if="isCustomerNotFound">
      <a-row v-for="(item, index) in productRows" :key="index">
        <a-col :span="12" v-if="isCustomerNotFound">
          <a-form-item label="产品名称" style="width: 250%; margin-left: -130px">
            <a-input placeholder="请输入产品名称" v-model:value="item.productName" />
          </a-form-item>
        </a-col>
        <a-col :span="12" v-if="isCustomerNotFound">
          <a-form-item label="借据号" style="width: 250%; margin-left: -130px">
            <a-select placeholder="请输入借据号" mode='tags' v-model:value="item.loanInfoCode"/>
          </a-form-item>
        </a-col>
        <a-col :span="24" style="margin-top: -25px">
          <a-button @click="addProductRow()" v-if="index === productRows.length - 1" class="jia">
            <PlusCircleOutlined />
          </a-button>
          <a-button @click="removeProductRow(index)" v-if="productRows.length > 1" class="jian">
            <MinusCircleOutlined />
          </a-button>
        </a-col>
      </a-row>
      <!-- Submit button -->
      <a-button type='primary' @click='handleSubmit'>提交</a-button>
    </div>
  </div>
</template>
<script setup>
import { ref } from 'vue';
import { message } from 'ant-design-vue';
const isCustomerNotFound = ref(true);
const productRows = ref([{ productName: '', loanInfoCode: [] }]);
const hasValidationError = ref(false);
const formRef = ref(null); // Assume you have a form reference
const modalType = ref('add'); // or 'edit'
const isModalVisible = ref(false);
const addProductRow = () => {
  productRows.value.push({ productName: '', loanInfoCode: [] });
};
const removeProductRow = (index) => {
  productRows.value.splice(index, 1);
};
const handleSubmit = async (values) => {
  hasValidationError.value = false;
  try {
    await formRef.value.validate(); // Validate the form
    if (isCustomerNotFound.value) {
      for (let product of productRows.value) {
        // 确保productName存在
        if (!product.productName) {
          message.error('请将产品名称填写完整!');
          hasValidationError.value = true;
          return;
        }
        
        if (!product.loanInfoCode || product.loanInfoCode.length === 0) {
          message.error('请填写借据号!');
          hasValidationError.value = true;
          return;
        }
      }
      const values = { ...formModal }; // Make sure to define `formModal`
      if (modalType.value === 'add') {
        addCustomer(values);
      } else if (modalType.value === 'edit') {
        editCustomer(values);
      }
      setTimeout(() => {
        QueryTab();
      }, 200);
      isModalVisible.value = false;
    }
    
  } catch (error) {
    console.error(error);
    message.error('表单验证失败！');
    hasValidationError.value = true;
  }
};
</script>
<style scoped>
.jia, .jian {
  /* Your styles here */
}
</style>