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2026-02-12 21:38:29 +08:00
<template>
<div class="step-units">
<el-form
ref="formRef"
:model="localFormData"
:rules="rules"
label-position="right"
>
<!-- 参与单位列表 -->
<div class="section-header">
<h3>参与单位列表</h3>
<p class="description">添加本项目涉及的参与单位信息</p>
</div>
<el-table
:data="localFormData.participatingUnits"
style="width: 100%"
border
stripe
class="units-table"
>
<el-table-column prop="index" label="序号" width="80" align="center">
<template #default="{ $index }">
{{ $index + 1 }}
</template>
</el-table-column>
<el-table-column label="单位Logo" width="120" align="center">
<template #default="{ row, $index }">
<el-upload
class="logo-uploader"
:show-file-list="false"
:before-upload="(file) => handleLogoUpload(file, $index)"
accept="image/*"
>
<div v-if="row.logoUrl" class="logo-preview">
<img :src="row.logoUrl" class="logo-image" />
<div class="logo-overlay">
<el-icon><Camera /></el-icon>
<span>更换</span>
</div>
</div>
<div v-else class="logo-placeholder">
<el-icon><Plus /></el-icon>
<span>上传Logo</span>
</div>
</el-upload>
</template>
</el-table-column>
<el-table-column label="单位名称" min-width="200" align="center">
<template #default="{ row, $index }">
<el-form-item
:prop="`participatingUnits.${$index}.unitName`"
:rules="unitNameRules"
style="margin-bottom: 0"
>
<el-input
v-model="row.unitName"
placeholder="请输入单位名称"
maxlength="100"
/>
</el-form-item>
</template>
</el-table-column>
<el-table-column label="单位角色" min-width="150" align="center">
<template #default="{ row, $index }">
<el-form-item
:prop="`participatingUnits.${$index}.role`"
:rules="roleRules"
style="margin-bottom: 0"
>
<el-select v-model="row.role" placeholder="请选择角色">
<el-option label="主办单位" value="host" />
<el-option label="协办单位" value="coorganizer" />
<el-option label="支持单位" value="supporter" />
<el-option label="合作单位" value="partner" />
<el-option label="赞助单位" value="sponsor" />
</el-select>
</el-form-item>
</template>
</el-table-column>
<el-table-column label="操作" width="120" align="center">
<template #default="{ $index }">
<div class="action-buttons">
<el-button
type="danger"
size="small"
@click="handleDeleteUnit($index)"
:disabled="localFormData.participatingUnits.length <= 1"
>
<el-icon><Delete /></el-icon>
</el-button>
<el-tooltip content="删除该单位" placement="top">
<span :class="{ 'disabled-tip': localFormData.participatingUnits.length > 1 }"></span>
</el-tooltip>
</div>
</template>
</el-table-column>
</el-table>
<!-- 添加单位按钮 -->
<div class="add-unit-action">
<el-button type="primary" @click="handleAddUnit" plain>
<el-icon><Plus /></el-icon>
添加单位
</el-button>
</div>
<!-- 验证提示 -->
<el-alert
v-if="localFormData.participatingUnits.length === 0"
title="提示"
type="warning"
:closable="false"
class="validation-alert"
>
请至少添加一个参与单位
</el-alert>
</el-form>
</div>
</template>
<script setup>
import { ref, reactive, watch } from 'vue'
import { Delete, Plus, Camera } from '@element-plus/icons-vue'
import { ElMessage } from 'element-plus'
// 定义 props
const props = defineProps({
modelValue: {
type: Object,
required: true
}
})
// 定义 emits
const emit = defineEmits(['update:modelValue'])
// 表单引用
const formRef = ref(null)
// 本地表单数据副本
const localFormData = reactive({
participatingUnits: []
})
// 初始化本地数据
// localFormData.participatingUnits = JSON.parse(JSON.stringify(props.modelValue.participatingUnits || []))
// 监听本地数据变化,同步到父组件
watch(localFormData, (newVal) => {
emit('update:modelValue', newVal)
}, { deep: true })
// 监听父组件数据变化,同步到本地
watch(() => props.modelValue, (newVal) => {
if (newVal && newVal.participatingUnits) {
localFormData.participatingUnits = JSON.parse(JSON.stringify(newVal.participatingUnits))
}
}, { deep: true })
// 单位名称验证规则
const unitNameRules = [
{ required: true, message: '请输入单位名称', trigger: 'blur' },
{ min: 2, max: 100, message: '单位名称长度为2-100个字符', trigger: 'blur' }
]
// 角色验证规则
const roleRules = [
{ required: true, message: '请选择单位角色', trigger: 'change' }
]
// 表单验证规则
const rules = reactive({
participatingUnits: [
{
type: 'array',
required: true,
message: '请至少添加一个参与单位',
trigger: 'change',
validator: (rule, value, callback) => {
if (!value || value.length === 0) {
callback(new Error('请至少添加一个参与单位'))
} else {
// 检查是否所有行都填写完整
const incomplete = value.some(unit => !unit.unitName || !unit.role)
if (incomplete) {
callback(new Error('请完善所有单位信息'))
} else {
callback()
}
}
}
}
]
})
// 处理 Logo 上传
const handleLogoUpload = (file, index) => {
const isImage = file.type.startsWith('image/')
const isLt2M = file.size / 1024 / 1024 < 2
if (!isImage) {
ElMessage.error('只能上传图片文件!')
return false
}
if (!isLt2M) {
ElMessage.error('图片大小不能超过 2MB!')
return false
}
// 使用 FileReader 读取文件并转换为 base64
const reader = new FileReader()
reader.onload = (e) => {
const base64Url = e.target.result
localFormData.participatingUnits[index].logoUrl = base64Url
ElMessage.success('Logo 上传成功!')
}
reader.readAsDataURL(file)
return false // 阻止默认上传行为
}
// 添加单位
const handleAddUnit = () => {
localFormData.participatingUnits.push({
unitName: '',
role: '',
logoUrl: ''
})
}
// 删除单位
const handleDeleteUnit = (index) => {
localFormData.participatingUnits.splice(index, 1)
}
// 暴露验证方法给父组件
const validate = async () => {
if (!formRef.value) return false
try {
await formRef.value.validate()
return true
} catch (error) {
return false
}
}
defineExpose({
validate
})
</script>
<style scoped>
.step-units {
padding: 0 20px;
}
.section-header {
margin-bottom: 20px;
}
.section-header h3 {
font-size: 18px;
color: #303133;
margin-bottom: 8px;
}
.section-header .description {
font-size: 14px;
color: #909399;
}
.units-table {
margin-bottom: 20px;
}
/* Logo 上传样式 */
.logo-uploader {
display: inline-block;
}
.logo-uploader .el-upload {
border: 1px dashed #d9d9d9;
border-radius: 8px;
cursor: pointer;
position: relative;
overflow: hidden;
transition: all 0.3s;
}
.logo-uploader .el-upload:hover {
border-color: #409eff;
}
.logo-placeholder {
width: 80px;
height: 80px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: #8c939d;
font-size: 12px;
}
.logo-placeholder .el-icon {
font-size: 24px;
margin-bottom: 4px;
}
.logo-preview {
width: 80px;
height: 80px;
position: relative;
}
.logo-image {
width: 100%;
height: 100%;
object-fit: cover;
border-radius: 8px;
}
.logo-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
display: none;
flex-direction: column;
align-items: center;
justify-content: center;
color: #fff;
font-size: 12px;
border-radius: 8px;
}
.logo-preview:hover .logo-overlay {
display: flex;
}
.logo-overlay .el-icon {
font-size: 20px;
margin-bottom: 4px;
}
.action-buttons {
display: flex;
gap: 8px;
justify-content: center;
}
.add-unit-action {
display: flex;
justify-content: center;
margin-top: 20px;
}
.validation-alert {
margin-top: 20px;
}
</style>