cz-web/src/views/profile/cpns/FeedbackForm.vue

<script setup lang="ts">
import { reactive, ref, watch } from 'vue'
import { ElMessage } from 'element-plus'
import type { FileInfo } from '@/types/api'
import type { Feedback } from '@/types/business/profile'

interface Props {
  resetSignal?: number
}

const props = withDefaults(defineProps<Props>(), { resetSignal: 0 })

const emit = defineEmits<{
  submit: [feedback: Feedback]
  preview: [file: FileInfo]
}>()

const form = reactive({
  title: '',
  description: '',
})

const attachments = reactive<FileInfo[]>([])
const fileInputRef = ref<HTMLInputElement | null>(null)

function clear(): void {
  form.title = ''
  form.description = ''
  attachments.splice(0, attachments.length)
}

watch(
  () => props.resetSignal,
  () => clear(),
)

function openFilePicker(): void {
  fileInputRef.value?.click()
}

function onFileChange(event: Event): void {
  const input = event.target as HTMLInputElement
  const files = input.files
  if (!files) return
  for (const file of Array.from(files)) {
    attachments.push({
      name: file.name,
      size: file.size,
      uploadTime: new Date().toISOString().slice(0, 10),
      url: '',
    })
  }
  input.value = ''
}

function extOf(name: string): string {
  const index = name.lastIndexOf('.')
  return index >= 0 ? name.slice(index + 1, index + 4).toUpperCase() : 'FILE'
}

function sizeText(size: number): string {
  if (size >= 1024 * 1024) return `${(size / 1024 / 1024).toFixed(1)}MB`
  if (size >= 1024) return `${(size / 1024).toFixed(0)}KB`
  return `${size}B`
}

function onDeleteFile(file: FileInfo): void {
  const index = attachments.indexOf(file)
  if (index >= 0) attachments.splice(index, 1)
}

function onPreview(file: FileInfo): void {
  emit('preview', file)
}

function onSubmit(): void {
  if (!form.title.trim()) {
    ElMessage.warning('请填写反馈标题')
    return
  }
  if (!form.description.trim()) {
    ElMessage.warning('请填写详细描述')
    return
  }
  emit('submit', {
    title: form.title,
    description: form.description,
    attachments: [...attachments],
  })
}
</script>

<template>
  <div class="feedback-form">
    <div class="feedback-form__field">
      <label class="feedback-form__label">反馈标题<span class="feedback-form__required">*</span></label>
      <input
        v-model="form.title"
        class="feedback-form__input"
        type="text"
        placeholder="请输入反馈标题"
        maxlength="50"
      >
    </div>

    <div class="feedback-form__field">
      <label class="feedback-form__label">详细描述<span class="feedback-form__required">*</span></label>
      <textarea
        v-model="form.description"
        class="feedback-form__textarea"
        placeholder="请详细描述您的问题..."
        maxlength="500"
      />
      <span class="feedback-form__counter">{{ form.description.length }}/500</span>
    </div>

    <div class="feedback-form__attach-head">
      <h3 class="feedback-form__attach-title">
        附件上传
      </h3>
      <span class="feedback-form__attach-hint">支持图片/文档/压缩包，大小不超过1G</span>
      <button class="feedback-form__upload-btn" @click="openFilePicker">
        上传
      </button>
      <input
        ref="fileInputRef"
        class="feedback-form__file-input"
        type="file"
        multiple
        @change="onFileChange"
      >
    </div>

    <ul class="feedback-form__files">
      <li v-for="file in attachments" :key="file.name" class="feedback-form__file">
        <span class="feedback-form__file-icon" :class="`is-${extOf(file.name).toLowerCase()}`">
          {{ extOf(file.name) }}
        </span>
        <div class="feedback-form__file-info">
          <p class="feedback-form__file-name">
            {{ file.name }}
          </p>
          <p class="feedback-form__file-meta">
            {{ sizeText(file.size) }} · 上传于 {{ file.uploadTime }}
          </p>
        </div>
        <div class="feedback-form__file-actions">
          <button class="feedback-form__file-link" @click="onPreview(file)">
            预览
          </button>
          <button class="feedback-form__file-link is-danger" @click="onDeleteFile(file)">
            删除
          </button>
        </div>
      </li>
    </ul>

    <div class="feedback-form__footer">
      <button class="feedback-form__submit" @click="onSubmit">
        提交反馈
      </button>
    </div>
  </div>
</template>

<style lang="less" scoped>
.feedback-form {
  .flex(column, flex-start);
  gap: 20px;
  width: 100%;

  &__field {
    .flex(column, flex-start);
    gap: 10px;
    width: 100%;
  }

  &__label {
    font-size: 14px;
    font-weight: 500;
    color: @heading-color;
    line-height: 20px;
  }

  &__required {
    margin-left: 2px;
    color: @danger-color;
  }

  &__input,
  &__textarea {
    width: 100%;
    padding: 0 14px;
    border: 1px solid @profile-input-border;
    border-radius: @radius-base;
    background: @white;
    font-size: 13px;
    color: @text-color;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;

    &:focus {
      border-color: @primary-strong;
    }

    &::placeholder {
      color: @text-color-disabled;
    }
  }

  &__input {
    height: 40px;
  }

  &__textarea {
    height: 150px;
    padding: 12px 14px;
    line-height: 1.7;
    resize: vertical;
  }

  &__counter {
    align-self: flex-end;
    color: @text-color-disabled;
    font-size: 12px;
    line-height: 17px;
  }

  &__attach-head {
    .flex(row, flex-start, center);
    gap: 14px;
    width: 100%;
    margin-top: 6px;
  }

  &__attach-title {
    font-size: 16px;
    font-weight: 700;
    color: @heading-color;
    line-height: 24px;
  }

  &__attach-hint {
    font-size: 12px;
    color: @text-color-disabled;
  }

  &__upload-btn {
    margin-left: auto;
    height: 32px;
    padding: 0 18px;
    border: 1px solid @profile-input-border;
    border-radius: @radius-base;
    background: @white;
    color: @text-color;
    font-size: 13px;
    transition: all 0.2s;

    &:hover {
      border-color: @primary-strong;
      color: @primary-strong;
    }
  }

  &__file-input {
    display: none;
  }

  &__files {
    .flex(column, flex-start);
    gap: 12px;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  &__file {
    .flex(row, flex-start, center);
    gap: 14px;
    width: 100%;
    padding: 13px 16px;
    border-radius: @radius-base;
    background: @service-input-bg;
    box-sizing: border-box;
  }

  &__file-icon {
    .flex(row, center);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: @radius-base;
    font-size: 11px;
    font-weight: 700;

    &.is-pdf {
      background: @profile-icon-phone;
      color: @danger-color;
    }

    &.is-doc,
    &.is-docx {
      background: @profile-page-active-bg;
      color: @primary-strong;
    }

    &.is-xls,
    &.is-xlsx {
      background: @profile-tag-ok-bg;
      color: @success-color;
    }
  }

  &__file-info {
    flex: 1;
    min-width: 0;
  }

  &__file-name {
    font-size: 14px;
    font-weight: 500;
    color: @heading-color;
    line-height: 20px;
    .ellipsis();
  }

  &__file-meta {
    margin-top: 3px;
    font-size: 12px;
    color: @text-color-disabled;
    line-height: 17px;
  }

  &__file-actions {
    .flex(row, flex-end, center);
    gap: 16px;
    flex-shrink: 0;
  }

  &__file-link {
    padding: 0;
    border: none;
    background: transparent;
    color: @primary-strong;
    font-size: 13px;
    cursor: pointer;

    &:hover {
      color: @primary-hover;
    }

    &.is-danger {
      color: @danger-color;
    }
  }

  &__footer {
    .flex(row, flex-start);
    margin-top: 6px;
  }

  &__submit {
    height: 40px;
    padding: 0 32px;
    border: none;
    border-radius: @radius-base;
    background: @primary-strong;
    color: @white;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;

    &:hover {
      background: @primary-hover;
    }
  }
}
</style>