解决 Inertia.js 与 Vue 3 应用中表单重复提交问题

<template>
  <app-layout title="Dashboard">
    <template #header>
      <h2 class="h4 font-weight-bold">Create</h2>
    </template>

    <div class="container mt-5 text-gray-300">
      <!-- 1. 将 @click="submit" 替换为 @submit.prevent="submit" -->
      <form @submit.prevent="submit" enctype="multipart/form-data">
        <!-- 2. 修正 v-bind 为 v-model -->
        <input type="hidden" name="region" v-model="form.region">
        <div class="form-group">
          <label for="title">title</label>
          <input
            type="text"
            name="title"
            class="form-control"
            v-model="form.title"
          />
        </div>
        <div class="form-group text-gray-300">
          <label for="content">content</label>
          <div>
            <textarea
              type="text"
              name="content"
              class="form-control"
              v-model="form.content"
            >
            </textarea>
          </div>
        </div>

        <br />
        <br />
        <div class="form-group">
          <label for="file">file</label>
          <input type="file" name="image" @change="previewImage" ref="photo" />
          @@##@@
        </div>

        <br />
        <br />
        <br />
        <br />
        <br />
        <div>
          <button
            type="submit"
            style="color: lavender"
            class="btn btn-secondary"
            :disabled="form.processing"
          >
            <!-- 3. 提交按钮 type="submit"，并根据 form.processing 禁用 -->
            store post!
          </button>
             

          <button
            type="button"
            onclick="location.href='index'"
            style="color: lavender"
            class="btn btn-dark"
          >
            cancel and go back
          </button>
        </div>
      </form>
    </div>
  </app-layout>
</template>

<script>
import { defineComponent } from "vue";
import AppLayout from "@/Layouts/AppLayout.vue";
import { useForm } from "@inertiajs/inertia-vue3";

export default defineComponent({
  props: ['region1'],
  components: {
    AppLayout,
  },

  data() {
    return {
      regionN: "zz",
      url: null, // 用于图片预览的 URL
    };
  },

  setup() {
    const form = useForm({
      title: null,
      content: null,
      image: null,
      region: null
    });

    return { form };
  },
  methods: {
    submit() {
      // 4. 检查表单是否正在处理中，如果是，则阻止重复提交
      if (this.form.processing) {
        console.log("表单正在提交中，请勿重复点击。");
        return false;
      }

      this.form.image = this.$refs.photo.files[0];
      this.form.region = this.regionN;

      this.form.post(route("store"), {
        preserveScroll: true,
        onSuccess: () => {
          this.form.reset(); // 提交成功后重置表单
          this.url = null; // 清除图片预览
          console.log("文章发布成功！");
        },
        onError: (errors) => {
          console.error("发布失败，请检查输入：", errors);
          // 可以在这里显示错误信息给用户
        },
        onFinish: () => {
          // 无论成功或失败，请求完成后执行
          console.log("提交请求已完成。");
        }
      });
    },
    previewImage(e) {
      const file = e.target.files[0];
      this.url = URL.createObjectURL(file);
    },
  },

  mounted() {
    this.regionN = this.region1;
    console.log("当前区域：", this.regionN);
  }
});
</script>