admin-vue3/src/views/crm/project/component/ProjectPartnetForm.vue

<template>
  <el-form
    ref="formRef"
    :model="formData"
    :rules="formRules"
    v-loading="formLoading"
    label-width="0px"
    :inline-message="true"
    :disabled="disabled"
  >
    <el-table :data="formData" style="width: 100%">
      
      <el-table-column label="序号" type="index" align="center" width="60" />
      <el-table-column label="项目合伙人" min-width="180">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.partner`" :rules="formRules.partner" class="mb-0px!">
            <el-select
              v-model="row.partner"
              filterable
              clearable
              placeholder="请选择"
              style="width: 150px"
            >
              <el-option
                v-for="user in userOptions"
                :key="user.id"
                :label="user.nickname"
                :value="user.id"
              />
            </el-select>
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="比例(%)" min-width="200">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.ratio`" :rules="formRules.ratio" class="mb-0px!">
            <el-input-number
              v-model="row.ratio"
              :min="0"
              :step="1"
              :max="getMaxRatio($index)"
              placeholder="请输入比例"
              class="w-1/1"
            />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column label="投资额(万元)" min-width="150">
        <template #default="{ row, $index }">
          <el-form-item :prop="`${$index}.investment`" class="mb-0px!">
            <el-input v-model="row.investment" placeholder="自动计算" :value="calcInvestment(row)" readonly />
          </el-form-item>
        </template>
      </el-table-column>
      <el-table-column align="center" fixed="right" label="操作" width="60">
        <template #default="{ $index }">
          <el-button @click="handleDelete($index)" link>—</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-form>
  <el-row justify="center" class="mt-3" v-if="!disabled">
    <el-button @click="handleAdd" round>+ 添加合伙人</el-button>
  </el-row>
</template>
<script setup lang="ts">
import * as UserApi from '@/api/system/user'
import { ElMessage } from 'element-plus'

const props = defineProps<{
  partners: any[]
  disabled: boolean
  price: number
}>()
const emit = defineEmits(['update:partners'])
const formLoading = ref(false)
const userOptions = ref<any[]>([])

interface PartnerRow {
  partner?: string
  ratio?: string | number
  investment?: string | number
}

const formData = ref<PartnerRow[]>([])

const formRules = reactive({
  partner: [
    { required: true, message: '项目合伙人不能为空', trigger: 'blur' },
    {
      validator: (_rule: any, value: string, callback: any) => {
        // 检查合伙人是否重复
        const count = formData.value.filter(item => item.partner === value).length
        if (value && count > 1) {
          callback(new Error('项目合伙人不能重复'))
        } else {
          callback()
        }
      },
      trigger: 'change',
    },
  ],
  ratio: [{ required: true, message: '比例不能为空', trigger: 'blur' }],
})
const formRef = ref<any>(null)

onMounted(async () => {
  // 获取用户列表
  userOptions.value = await UserApi.getSimpleUserList()
})

watch(
  () => props.partners,
  (val) => {
    formData.value = (val || []).map(item => ({
      ...item,
      partner: item.partner ? String(item.partner) : ''
    }))
  },
  { immediate: true }
)

const handleAdd = () => {
  formData.value.push({ partner: '', ratio: '', investment: '' })
}

const handleDelete = (index: number) => {
  formData.value.splice(index, 1)
}

const validate = async () => {
  const valid = await formRef.value?.validate?.()
  if (!valid) return false
  // 校验所有合伙人比例之和不能超过100
  const totalRatio = formData.value.reduce((sum, item) => sum + (Number(item.ratio) || 0), 0)
  if (totalRatio > 100) {
    ElMessage.error('所有合伙人比例之和不能超过100%')
    return false
  }
  return true
}
const calcInvestment = (row: PartnerRow) => {
  const ratio = Number(row.ratio) || 0
  const price = Number(props.price) || 0
  return ratio && price ? ((ratio * price) / 100).toFixed(2) : ''
}
const getMaxRatio = (index: number) => {
  // 计算除当前行外，其他合伙人已占用的比例
  const used = formData.value.reduce((sum, item, idx) => idx !== index ? sum + (Number(item.ratio) || 0) : sum, 0)
  return Math.max(0, 100 - used)
}
watch(
  () => formData.value.map(item => item.ratio),
  () => {
    formData.value.forEach(row => {
      row.investment = calcInvestment(row)
    })
  },
  { deep: true }
)

watch(
  () => formData.value,
  (val) => {
    emit('update:partners', val)
  },
  { deep: true }
)

defineExpose({ validate })
</script>