| 提交 | 用户 | 时间 | ||
| 820397 | 1 | <template> |
| H | 2 | <el-form |
| 3 | ref="formRef" | |
| 4 | :model="formData" | |
| 5 | :rules="formRules" | |
| 6 | label-width="100px" | |
| 7 | v-loading="formLoading" | |
| 8 | > | |
| 9 | <el-form-item label="名字" prop="name"> | |
| 10 | <el-input v-model="formData.name" placeholder="请输入名字" /> | |
| 11 | </el-form-item> | |
| 12 | <el-form-item label="班主任" prop="teacher"> | |
| 13 | <el-input v-model="formData.teacher" placeholder="请输入班主任" /> | |
| 14 | </el-form-item> | |
| 15 | </el-form> | |
| 16 | </template> | |
| 17 | <script setup lang="ts"> | |
| 18 | import * as Demo03StudentApi from '@/api/infra/demo/demo03/normal' | |
| 19 | ||
| 20 | const props = defineProps<{ | |
| 21 | studentId: undefined // 学生编号（主表的关联字段） | |
| 22 | }>() | |
| 23 | const formLoading = ref(false) // 表单的加载中 | |
| 24 | const formData = ref([]) | |
| 25 | const formRules = reactive({ | |
| 26 | studentId: [{ required: true, message: '学生编号不能为空', trigger: 'blur' }], | |
| 27 | name: [{ required: true, message: '名字不能为空', trigger: 'blur' }], | |
| 28 | teacher: [{ required: true, message: '班主任不能为空', trigger: 'blur' }] | |
| 29 | }) | |
| 30 | const formRef = ref() // 表单 Ref | |
| 31 | ||
| 32 | /** 监听主表的关联字段的变化，加载对应的子表数据 */ | |
| 33 | watch( | |
| 34 | () => props.studentId, | |
| 35 | async (val) => { | |
| 36 | // 1. 重置表单 | |
| 37 | formData.value = { | |
| 38 | id: undefined, | |
| 39 | studentId: undefined, | |
| 40 | name: undefined, | |
| 41 | teacher: undefined | |
| 42 | } | |
| 43 | // 2. val 非空，则加载数据 | |
| 44 | if (!val) { | |
| 45 | return | |
| 46 | } | |
| 47 | try { | |
| 48 | formLoading.value = true | |
| 49 | const data = await Demo03StudentApi.getDemo03GradeByStudentId(val) | |
| 50 | if (!data) { | |
| 51 | return | |
| 52 | } | |
| 53 | formData.value = data | |
| 54 | } finally { | |
| 55 | formLoading.value = false | |
| 56 | } | |
| 57 | }, | |
| 58 | { immediate: true } | |
| 59 | ) | |
| 60 | ||
| 61 | /** 表单校验 */ | |
| 62 | const validate = () => { | |
| 63 | return formRef.value.validate() | |
| 64 | } | |
| 65 | ||
| 66 | /** 表单值 */ | |
| 67 | const getData = () => { | |
| 68 | return formData.value | |
| 69 | } | |
| 70 | ||
| 71 | defineExpose({ validate, getData }) | |
| 72 | </script> | |
