299 lines
7.1 KiB
Vue
299 lines
7.1 KiB
Vue
<!--
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filename: dialogForm.vue
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author: liubin
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date: 2023-08-15 10:32:36
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description: 弹窗的表单组件
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-->
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<template>
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<el-form
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ref="form"
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:model="form"
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:label-width="`${labelWidth}px`"
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v-loading="formLoading">
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<el-row :gutter="20" v-for="(row, rindex) in rows" :key="rindex">
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<el-col v-for="col in row" :key="col.label" :span="24 / row.length">
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<el-form-item :label="col.label" :prop="col.prop" :rules="col.rules">
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<el-input
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v-if="col.input"
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v-model="form[col.prop]"
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@change="$emit('update', form)"
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:placeholder="`请输入${col.label}`"
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v-bind="col.bind" />
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<el-input
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v-if="col.textarea"
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type="textarea"
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v-model="form[col.prop]"
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@change="$emit('update', form)"
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:placeholder="`请输入${col.label}`"
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v-bind="col.bind" />
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<el-select
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v-if="col.select"
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v-model="form[col.prop]"
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:placeholder="`请选择${col.label}`"
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@change="$emit('update', form)"
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v-bind="col.bind">
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<el-option
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v-for="opt in optionListOf[col.prop]"
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:key="opt.value"
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:label="opt.label"
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:value="opt.value" />
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</el-select>
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<el-date-picker
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v-if="col.datetime"
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v-model="form[col.prop]"
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type="datetime"
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:placeholder="`请选择${col.label}`"
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value-format="timestamp"
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v-bind="col.bind"></el-date-picker>
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<el-upload
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class="upload-in-dialog"
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v-if="col.upload"
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:file-list="uploadedFileList"
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:action="col.url"
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:on-success="handleUploadSuccess"
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v-bind="col.bind">
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<el-button
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size="small"
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type="primary"
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:disabled="col.bind?.disabled || false">
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点击上传
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</el-button>
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<div class="el-upload__tip" slot="tip" v-if="col.uploadTips">
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{{ col.uploadTips || '只能上传jpg/png文件，大小不超过2MB' }}
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</div>
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</el-upload>
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<el-switch
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v-if="col.switch"
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v-model="form[col.prop]"
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active-color="#0b58ff"
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inactive-color="#e1e1e1"
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v-bind="col.bind"></el-switch>
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<component
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v-if="col.subcomponent"
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:key="col.key"
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:is="col.subcomponent"
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:inlineStyle="col.style"></component>
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</el-form-item>
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</el-col>
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</el-row>
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</el-form>
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</template>
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<script>
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/**
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* 找到最长的label
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* @param {*} options
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*/
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function findMaxLabelWidth(rows) {
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let max = 0;
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rows.forEach((row) => {
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row.forEach((opt) => {
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// debugger;
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if (!opt.label) return 0;
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if (opt.label.length > max) {
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max = opt.label.length;
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}
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});
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});
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return max;
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}
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export default {
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name: 'DialogForm',
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model: {
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prop: 'dataForm',
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event: 'update',
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},
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emits: ['update'],
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components: {},
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props: {
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rows: {
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type: Array,
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default: () => [],
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},
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dataForm: {
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type: Object,
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default: () => ({}),
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},
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},
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data() {
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return {
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formLoading: true,
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optionListOf: {},
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uploadedFileList: [],
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dataLoaded: false,
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};
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},
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computed: {
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labelWidth() {
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let max = findMaxLabelWidth(this.rows);
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// 每个汉字占20px
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return max * 20;
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// return max * 20 + 'px';
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},
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form: {
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get() {
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// if (this.dataLoaded) return this.dataForm;
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// else return {}
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return this.dataForm;
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},
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set(val) {
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console.log('set form', val);
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},
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},
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},
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watch: {
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rows: {
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handler() {
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console.log('watch triggered!');
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this.$nextTick(() => {
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this.handleOptions('watch');
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});
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},
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deep: true,
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immediate: false,
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},
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},
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mounted() {
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// 处理 options
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this.handleOptions();
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},
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methods: {
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/** 模拟透传 ref */
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validate(cb) {
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return this.$refs.form.validate(cb);
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},
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resetFields(args) {
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return this.$refs.form.resetFields(args);
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},
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// getCode
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async getCode(url) {
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const response = await this.$axios(url);
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return response.data;
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},
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async handleOptions(trigger = 'monuted') {
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console.log('[dialogForm:handleOptions]');
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const promiseList = [];
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this.rows.forEach((cols) => {
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cols.forEach((opt) => {
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if (opt.value && !this.form[opt.prop]) {
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// 默认值
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this.form[opt.prop] = opt.value;
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}
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if (opt.options) {
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this.$set(this.optionListOf, opt.prop, opt.options);
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} else if (opt.url) {
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// 如果有 depends，则暂时先不获取，注册一个watcher
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if (opt.depends) {
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console.log('[handleOptions] setting watch');
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this.$watch(
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() => this.form[opt.depends],
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(id) => {
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console.log('<', opt.depends, '>', 'changed', id);
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if (id == null) return;
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// 清空原有选项
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this.form[opt.prop] = null;
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// 获取新的选项
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this.$axios({
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url: `${opt.url}?id=${id}`,
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}).then((res) => {
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this.$set(
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this.optionListOf,
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opt.prop,
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res.data.map((item) => ({
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label: item[opt.labelKey ?? 'name'],
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value: item[opt.valueKey ?? 'id'],
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}))
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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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);
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return;
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}
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// 如果是下拉框，或者新增模式下的输入框，才去请求
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if (opt.select || (opt.input && !this.form?.id)) {
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promiseList.push(async () => {
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const response = await this.$axios(opt.url, {
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method: opt.method ?? 'get',
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});
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console.log('[dialogForm:handleOptions:response]', response);
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if (opt.select) {
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// 处理下拉框选项
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const list =
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'list' in response.data
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? response.data.list
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: response.data;
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this.$set(
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this.optionListOf,
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opt.prop,
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list.map((item) => ({
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label: item[opt.labelKey ?? 'name'],
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value: item[opt.valueKey ?? 'id'],
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}))
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);
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} else if (opt.input) {
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console.log('setting code: ', response.data);
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// 处理输入框数据
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this.form[opt.prop] = response.data;
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}
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});
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}
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}
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});
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});
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console.log('[dialogForm:handleOptions] done!');
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// 如果是 watch 触发的，不需要执行进一步的请求
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if (trigger == 'watch') {
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this.formLoading = false;
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return;
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}
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try {
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await Promise.all(promiseList.map((fn) => fn()));
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this.formLoading = false;
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this.dataLoaded = true;
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// console.log("[dialogForm:handleOptions:optionListOf]", this.optionListOf)
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} catch (error) {
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console.log('[dialogForm:handleOptions:error]', error);
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this.formLoading = false;
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}
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if (!promiseList.length) this.formLoading = false;
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},
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// 上传成功的特殊处理
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beforeUpload() {},
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// 上传前的验证规则可通过 bind 属性传入
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handleUploadSuccess(response, file, fileList) {
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console.log(
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'[dialogForm:handleUploadSuccess]',
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response,
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file,
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fileList,
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this.form
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);
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// 保存原始文件名
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if ('fileNames' in this.form) this.form.fileNames.push(file.name);
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// 保存完整地址
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if ('fileUrls' in this.form) this.form.fileUrls.push(response.data);
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this.$modal.msgSuccess('上传成功');
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},
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getFileName(fileUrl) {
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return fileUrl.split('/').pop();
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},
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},
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};
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</script>
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<style scoped lang="scss">
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.el-date-editor,
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.el-select {
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width: 100%;
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}
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</style>
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