<template>
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<CompGenericWrapper type="dialog">
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<template #content>
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<el-row>
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<el-col>
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<el-form-item label="整改图片">
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<el-button @click="choseChangePic" :disabled="fileList.length >= 3"
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>从文件夹选取</el-button
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>
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</el-form-item>
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</el-col>
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<el-col v-if="!fileList || fileList.length <= 0">
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<el-empty style="height: 145px" description="请添加图片" />
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</el-col>
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<el-col>
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<el-upload
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class="img-upload"
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ref="uploadRef"
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v-model:file-list="fileList"
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list-type="picture-card"
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multiple
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:auto-upload="false"
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crossorigin="Anonymous"
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:before-remove="beforeRemoveFile"
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:on-preview="handlePictureCardPreview"
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:disabled="readonly"
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accept="image/*"
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>
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<template #trigger v-if="fileList.length < 3 && !readonly">
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<el-button
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v-if="fileList.length < 3"
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type="primary"
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id="uploadBtnId"
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style="display: none"
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></el-button>
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<el-icon>
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<Plus />
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</el-icon>
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</template>
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<template #tip>
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<div style="color: #f56c6c">
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最少上传一张图片，最多选择三张图片
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</div>
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</template>
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</el-upload>
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</el-col>
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</el-row>
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<div class="flex-div">
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<el-button type="primary" @click="onSubmit">保存</el-button>
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<el-button @click="onCancel">取消</el-button>
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</div>
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<el-image-viewer
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v-if="previewDialogVisible"
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:url-list="fileList.map((item) => item.url)"
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:initial-index="initialIndex"
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@close="previewDialogVisible = false"
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alt="预览"
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class="preview-pic"
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/>
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</template>
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</CompGenericWrapper>
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</template>
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<script>
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import problemApi from '@/api/fysp/problemApi.js';
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import CompGenericWrapper from './CompGenericWrapper.vue';
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import { $fysp } from '@/api/index.js';
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import fileUtil from '@/utils/fileUtils.js';
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import { useCloned } from '@vueuse/core';
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import { ElMessage } from 'element-plus';
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export default {
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emits: ['submit', 'cancel'],
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components: {
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CompGenericWrapper
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},
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watch: {
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oldChangeFileList: {
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handler(nv, ov) {
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this.initParams();
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},
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immediate: true
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},
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fileList: {
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handler(newFileList, oldFileList) {
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this.pictureValidate();
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},
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deep: true
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}
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},
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props: {
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changeType: {
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type: Number
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},
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problemId: {
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type: String
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},
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oldChangeFileList: {
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type: Array,
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default: () => []
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},
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subtask: {
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type: Object,
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default: () => {}
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},
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month: {
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type: Number,
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default: -1
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}
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},
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data() {
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return {
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// 初始图片预览index
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initialIndex: -1,
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// 图片选择最大数量
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maxSelectImgCount: 3,
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previewDialogImageUrl: '',
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previewDialogVisible: false,
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fileList: [],
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oldFileList: [],
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deleteImg: [],
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ledgerPicDialog: false,
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anyPhotoDialog: false
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};
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},
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mounted() {},
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methods: {
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pictureValidate() {
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if (this.changeType == 1 && this.fileList.length < 1) {
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ElMessage({
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message: '至少上传一张图片',
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type: 'error'
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});
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return false;
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} else if (this.fileList.length > 3) {
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ElMessage({
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message: '超过三张, 已删除多出的图片',
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type: 'error'
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});
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this.fileList = this.fileList.slice(0, 3);
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return false;
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}
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return true;
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},
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initParams() {
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if (!this.changeType || this.changeType == 0) {
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return;
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}
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let beforeEditImgList = [];
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useCloned(this.oldChangeFileList).cloned.value.forEach(
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(oldChangeFileitem) => {
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if (oldChangeFileitem.ischanged == 1) {
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oldChangeFileitem.url =
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$fysp.imgUrl +
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oldChangeFileitem.extension1 +
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oldChangeFileitem.guid +
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'.jpg';
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oldChangeFileitem.name = '1';
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beforeEditImgList.push(oldChangeFileitem);
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}
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}
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);
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this.fileList = useCloned(beforeEditImgList).cloned.value;
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this.oldFileList = useCloned(beforeEditImgList).cloned.value;
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},
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onCancel() {
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this.$emit("cancel")
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},
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onSubmit() {
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if (!this.pictureValidate()) {
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return;
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}
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// 数据准备
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let data = new FormData();
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var picUrls = [];
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this.fileList.forEach((item) => {
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if (!('guid' in item)) {
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// 新的
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let exclude = false;
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for (let index = 0; index < this.oldFileList.length; index++) {
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const element = this.oldFileList[index];
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if (item.url == element.url) {
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exclude = true;
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break;
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}
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}
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if (!exclude) {
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picUrls.push(item.url);
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}
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exclude = false;
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// picUrls.push(item)
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}
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});
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const that = this;
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let deleteImgCopy = this.deleteImg;
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if (this.changeType == 1) {
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fileUtil.getImageFiles(picUrls, function (files) {
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data.append('deleteImg', deleteImgCopy);
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data.append('problemId', that.problemId);
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files.forEach((image) => {
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data.append('images', image);
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});
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problemApi.updateChange(data).then((res) => {});
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});
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that.$emit('submit', true);
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} else {
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fileUtil.getImageFiles(picUrls, function (files) {
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data.append('problemId', that.problemId);
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files.forEach((image) => {
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data.append('images', image);
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});
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problemApi.changeProblem(data).then((res) => {});
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that.$emit('submit', true);
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});
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}
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},
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beforeRemoveFile(file, fileList) {
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if (file.remark == '已上传') {
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this.deleteImg.push(file.guid);
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this.oldFileList.filter((item) => item.url != file.url);
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}
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},
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handlePictureCardPreview(uploadFile) {
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this.initialIndex = this.fileList.indexOf(uploadFile)
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this.previewDialogVisible = true;
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this.previewDialogImageUrl = uploadFile.url;
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},
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// 从文件夹中
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choseChangePic() {
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// 获取指定ID的元素
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var btnElement = document.getElementById('uploadBtnId');
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// 检查元素是否存在
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if (btnElement) {
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// 触发点击事件
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btnElement.click();
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}
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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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.flex-div {
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display: flex;
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}
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.t-card_item {
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display: flex;
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padding: 5px;
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}
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.img-upload {
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margin-top: 30px;
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margin-bottom: 30px;
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margin-left: 63px;
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}
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::v-deep .el-dialog__body {
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width: 95%;
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}
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::v-deep .el-upload-list--picture-card .el-upload-list__item-thumbnail {
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object-fit: cover !important;
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}
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.preview-pic {
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object-fit: cover;
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width: 100%;
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height: 100%;
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}
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::v-deep .el-upload--picture-card {
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display: none;
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}
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/* 隐藏el-upload上传成功组件 */
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::v-deep .el-upload-list__item-status-label {
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display: none !important;
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}
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</style>
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