FlowBL/src/views/infra/demo/demo03/inner/components/Demo03CourseForm.vue

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<template>
<el-form
ref="formRef"
:model="formData"
:rules="formRules"
v-loading="formLoading"
label-width="0px"
:inline-message="true"
>
<el-table :data="formData" class="-mt-10px">
<el-table-column label="序号" type="index" width="100" />
<el-table-column label="名字" min-width="150">
<template #default="{ row, $index }">
<el-form-item :prop="`${$index}.name`" :rules="formRules.name" class="mb-0px!">
<el-input v-model="row.name" placeholder="请输入名字" />
</el-form-item>
</template>
</el-table-column>
<el-table-column label="分数" min-width="150">
<template #default="{ row, $index }">
<el-form-item :prop="`${$index}.score`" :rules="formRules.score" class="mb-0px!">
<el-input v-model="row.score" placeholder="请输入分数" />
</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">
<el-button @click="handleAdd" round>+ 添加学生课程</el-button>
</el-row>
</template>
<script setup lang="ts">
import * as Demo03StudentApi from '@/api/infra/demo/demo03/inner'
const props = defineProps<{
studentId: undefined // 学生编号主表的关联字段
}>()
const formLoading = ref(false) // 表单的加载中
const formData = ref([])
const formRules = reactive({
studentId: [{ required: true, message: '学生编号不能为空', trigger: 'blur' }],
name: [{ required: true, message: '名字不能为空', trigger: 'blur' }],
score: [{ required: true, message: '分数不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref
/** 监听主表的关联字段的变化,加载对应的子表数据 */
watch(
() => props.studentId,
async (val) => {
// 1. 重置表单
formData.value = []
// 2. val 非空,则加载数据
if (!val) {
return;
}
try {
formLoading.value = true
formData.value = await Demo03StudentApi.getDemo03CourseListByStudentId(val)
} finally {
formLoading.value = false
}
},
{ immediate: true }
)
/** 新增按钮操作 */
const handleAdd = () => {
const row = {
id: undefined,
studentId: undefined,
name: undefined,
score: undefined
}
row.studentId = props.studentId
formData.value.push(row)
}
/** 删除按钮操作 */
const handleDelete = (index) => {
formData.value.splice(index, 1)
}
/** 表单校验 */
const validate = () => {
return formRef.value.validate()
}
/** 表单值 */
const getData = () => {
return formData.value
}
defineExpose({ validate, getData })
</script>