实现设备模板管理界面
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282
src/components/DeviceTemplateForm.vue
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282
src/components/DeviceTemplateForm.vue
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<template>
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<el-dialog
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:model-value="visible"
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:title="title"
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@close="handleClose"
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:close-on-click-modal="false"
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width="600px"
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>
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<el-form
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ref="formRef"
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:model="formData"
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:rules="rules"
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label-width="120px"
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@submit.prevent
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>
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<el-form-item label="名称" prop="name">
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<el-input v-model="formData.name" />
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</el-form-item>
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<el-form-item label="制造商" prop="manufacturer">
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<el-input v-model="formData.manufacturer" />
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</el-form-item>
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<el-form-item label="描述" prop="description">
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<el-input v-model="formData.description" type="textarea" />
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</el-form-item>
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<el-form-item label="类别" prop="category">
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<el-select v-model="formData.category" placeholder="请选择类别" @change="handleCategoryChange">
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<el-option label="执行器" value="actuator" />
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<el-option label="传感器" value="sensor" />
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</el-select>
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</el-form-item>
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<el-form-item label="指令 (JSON)" prop="commands">
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<el-input
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v-model="formData.commands"
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type="textarea"
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:rows="5"
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placeholder="请输入JSON格式的指令参数"
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/>
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</el-form-item>
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<el-form-item
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v-if="formData.category === 'sensor'"
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label="值描述 (JSON)"
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prop="values"
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>
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<el-input
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v-model="formData.values"
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type="textarea"
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:rows="5"
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placeholder="请输入JSON格式的值描述数组"
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/>
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</el-form-item>
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</el-form>
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<template #footer>
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<span class="dialog-footer">
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<el-button @click="handleClose">取消</el-button>
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<el-button type="primary" @click="handleSubmit" :loading="loading">确定</el-button>
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</span>
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</template>
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</el-dialog>
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</template>
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<script>
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import { ref, reactive, computed, watch, nextTick } from 'vue';
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import { ElMessage } from 'element-plus';
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import deviceTemplateService from '../services/deviceTemplateService.js';
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// 默认的JSON模板
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const DEFAULT_ACTUATOR_COMMANDS = JSON.stringify({
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modbus_start_address: 0,
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modbus_quantity: 1
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}, null, 2);
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const DEFAULT_SENSOR_COMMANDS = JSON.stringify({
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modbus_function_code: 3,
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modbus_start_address: 0,
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modbus_quantity: 1
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}, null, 2);
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const DEFAULT_SENSOR_VALUES = JSON.stringify([
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{
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type: "temperature",
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multiplier: 0.1,
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offset: 0
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}
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], null, 2);
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export default {
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name: 'DeviceTemplateForm',
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props: {
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visible: {
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type: Boolean,
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default: false,
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},
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templateData: {
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type: Object,
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default: () => ({}),
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},
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isEdit: {
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type: Boolean,
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default: false,
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},
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},
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emits: ['update:visible', 'success', 'cancel'],
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setup(props, { emit }) {
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const formRef = ref(null);
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const loading = ref(false);
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const initialFormData = () => ({
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id: '',
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name: '',
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manufacturer: '',
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description: '',
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category: 'actuator', // 默认执行器
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commands: DEFAULT_ACTUATOR_COMMANDS, // 预填充执行器指令
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values: '',
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});
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const formData = reactive(initialFormData());
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// JSON 验证器
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const validateJson = (rule, value, callback) => {
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if (!value) {
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return callback(new Error(rule.message));
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}
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try {
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JSON.parse(value);
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callback();
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} catch (e) {
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callback(new Error('请输入有效的 JSON 格式'));
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}
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};
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const rules = computed(() => ({
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name: [{ required: true, message: '请输入模板名称', trigger: 'blur' }],
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category: [{ required: true, message: '请选择模板类别', trigger: 'change' }],
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commands: [
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{ required: true, message: '请输入指令参数', trigger: 'blur' },
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{ validator: validateJson, message: '指令参数必须是有效的 JSON 格式', trigger: 'blur' },
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],
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values: [
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{ required: formData.category === 'sensor', message: '请输入值描述', trigger: 'blur' },
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{ validator: validateJson, message: '值描述必须是有效的 JSON 格式', trigger: 'blur' },
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],
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}));
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const title = computed(() => {
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return props.isEdit ? '编辑设备模板' : '新增设备模板';
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});
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const handleCategoryChange = (newCategory) => {
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if (newCategory === 'actuator') {
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formData.commands = DEFAULT_ACTUATOR_COMMANDS;
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formData.values = ''; // 执行器没有values
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} else if (newCategory === 'sensor') {
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formData.commands = DEFAULT_SENSOR_COMMANDS;
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formData.values = DEFAULT_SENSOR_VALUES; // 传感器预填充values
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}
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nextTick(() => {
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if (formRef.value) {
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formRef.value.clearValidate();
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}
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});
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};
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const handleClose = () => {
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emit('update:visible', false);
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emit('cancel');
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// 重置表单
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Object.assign(formData, initialFormData());
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nextTick(() => {
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if (formRef.value) {
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formRef.value.resetFields();
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}
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});
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};
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const handleSubmit = async () => {
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if (!formRef.value) return;
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await formRef.value.validate(async (valid) => {
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if (valid) {
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loading.value = true;
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try {
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const submitData = {
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name: formData.name,
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manufacturer: formData.manufacturer,
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description: formData.description,
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category: formData.category,
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commands: JSON.parse(formData.commands),
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};
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if (formData.category === 'sensor' && formData.values) {
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submitData.values = JSON.parse(formData.values);
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}
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if (props.isEdit) {
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await deviceTemplateService.updateDeviceTemplate(formData.id, submitData);
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} else {
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await deviceTemplateService.createDeviceTemplate(submitData);
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}
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emit('success');
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handleClose();
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} catch (error) {
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console.error('保存设备模板失败:', error);
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ElMessage.error(
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props.isEdit ? '编辑设备模板失败: ' + (error.message || '未知错误') : '创建设备模板失败: ' + (error.message || '未知错误')
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);
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} finally {
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loading.value = false;
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}
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}
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});
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};
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watch(
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() => props.templateData,
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(newVal) => {
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if (newVal && Object.keys(newVal).length > 0) {
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// 填充表单数据
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formData.id = newVal.id;
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formData.name = newVal.name;
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formData.manufacturer = newVal.manufacturer;
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formData.description = newVal.description;
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formData.category = newVal.category;
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// 格式化JSON显示
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formData.commands = newVal.commands ? JSON.stringify(newVal.commands, null, 2) : '';
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formData.values = newVal.values ? JSON.stringify(newVal.values, null, 2) : '';
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} else {
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// 重置表单数据到初始状态 (新增模式)
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Object.assign(formData, initialFormData());
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}
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nextTick(() => {
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if (formRef.value) {
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formRef.value.clearValidate();
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}
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});
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},
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{ immediate: true }
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);
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watch(
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() => props.visible,
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(newVal) => {
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if (newVal && !props.isEdit) {
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// 如果是新增模式且对话框打开，重置表单
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Object.assign(formData, initialFormData());
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nextTick(() => {
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if (formRef.value) {
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formRef.value.clearValidate();
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}
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});
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}
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},
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{ immediate: true }
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);
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return {
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formRef,
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loading,
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formData,
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rules,
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title,
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handleCategoryChange,
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handleClose,
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handleSubmit,
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};
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},
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};
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</script>
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<style scoped>
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.dialog-footer {
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display: flex;
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justify-content: flex-end;
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gap: 10px;
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}
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</style>
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