forked from tools/tape-springboot-sysadmin
624 lines
15 KiB
Vue
624 lines
15 KiB
Vue
<template>
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<div class="iqudoo-form-image-upload">
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<div class="image-grid">
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<div
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v-if="fileFormModel.length > 0"
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v-for="(item, index) in fileFormModel"
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class="image-item"
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:class="{
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dragging: draggingIndex === index,
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'drag-over': draggedOverIndex === index && draggingIndex !== index,
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}"
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:key="index"
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:draggable="dragToSort && !field.disabled && !readOnly"
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@dragstart="handleDragStart(index)"
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@dragend="handleDragEnd"
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@dragover="handleDragOver"
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@dragenter="handleDragEnter(index)"
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@dragleave="handleDragLeave"
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@drop="handleDrop(index)"
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>
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<div style="height: 120px; width: 120px">
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<IDisplayImageView
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:image-url="item"
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:show-count="1"
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width="120px"
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height="120px"
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/>
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</div>
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<a-popconfirm
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title="确定要删除这张图片吗？"
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v-if="!field.disabled"
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ok-text="删除"
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cancel-text="取消"
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@confirm="removeFile(index)"
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placement="topRight"
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>
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<div class="delete-button-wrapper">
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<a-button type="danger" shape="circle" size="small" class="mobile-delete-btn">
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<template #icon><delete-outlined /></template>
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</a-button>
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</div>
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</a-popconfirm>
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</div>
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<!-- 上传触发区域 -->
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<div
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v-show="readOnly || fileFormModel.length < field.fileCount"
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class="upload-trigger"
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>
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<a-upload
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:id="'form_item_' + formatFieldName(field.name)"
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:max-count="field.fileCount"
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:show-upload-list="false"
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:before-upload="beforeUpload"
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:accept="acceptedImageTypes"
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:multiple="multipleSelect"
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>
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<div class="upload-button">
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<a-spin :spinning="loading">
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<plus-outlined />
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<div class="upload-text">
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{{ multipleSelect ? "选择图片" : "上传图片" }}
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</div>
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</a-spin>
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</div>
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</a-upload>
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</div>
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</div>
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<div class="upload-hint">
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<span>
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{{ fileFormModel.length }}/{{ field.fileCount }}张
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<template v-if="field.fileSize"> · 最大{{ field.fileSize }}MB </template>
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<template v-if="supportedFormats"> · 支持{{ supportedFormats }} </template>
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<template v-if="multipleSelect"> · 支持多选和拖动排序 </template>
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</span>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from "vue";
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import { useVModel } from "@/iview/utils/useModel";
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import { apiRequest } from "@/iview/utils/request";
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import { showErrorTips } from "@/iview/utils/messageTips";
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import { formatImageOutputHint, processImageFile } from "@/iview/utils/imageOutput";
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import { DeleteOutlined, PlusOutlined } from "@ant-design/icons-vue";
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import IDisplayImageView from "@/iview/display/IDisplayImageView.vue";
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const props = defineProps({
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field: {
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type: Object,
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required: true,
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},
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accept: {
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type: String,
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default: "image/jpeg,image/png,image/gif",
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},
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fieldPrefix: {
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type: String,
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default: "",
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},
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multipleSelect: {
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type: Boolean,
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default: false,
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},
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dragToSort: {
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type: Boolean,
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default: true,
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},
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modelValue: {
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type: Object,
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required: true,
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},
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readOnly: {
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type: Boolean,
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default: false,
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},
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rawFormData: {
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type: Object,
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},
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});
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const emit = defineEmits(["update:modelValue"]);
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const vModel = useVModel(props, "modelValue", emit);
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const loading = ref(false);
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const draggingIndex = ref(-1);
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const draggedOverIndex = ref(-1);
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const supportedFormats = computed(() => {
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return props.accept
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.split(",")
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.map((type) => type.replace("image/", ""))
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.join("、");
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});
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const acceptedImageTypes = computed(() => {
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return props.accept || "image/jpeg,image/png,image/gif";
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});
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const outputSizeHint = computed(() => formatImageOutputHint(props.field));
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const formatFieldName = (name) => {
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if (!props.fieldPrefix) {
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return name;
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}
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return props.fieldPrefix + "-" + name;
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};
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const removeFile = (index) => {
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let newFileList = [...fileFormModel.value];
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newFileList.splice(index, 1);
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vModel.value[formatFieldName(props.field.name)] = newFileList.join("|");
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};
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const beforeUpload = async (file, fileList) => {
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// 如果是多选模式且是第一个文件，处理所有文件
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if (
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props.multipleSelect &&
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fileList &&
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fileList.length > 1 &&
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fileList.indexOf(file) === 0
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) {
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await uploadMultipleFiles(fileList);
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return false;
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}
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// 如果是多选模式但不是第一个文件，跳过处理
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if (
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props.multipleSelect &&
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fileList &&
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fileList.length > 1 &&
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fileList.indexOf(file) > 0
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) {
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return false;
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}
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// 单个文件处理
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const isAcceptedType = acceptedImageTypes.value.includes(file.type);
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if (!isAcceptedType) {
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let error = new Error(`只能上传${supportedFormats.value}格式的图片!`);
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showErrorTips(error);
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return false;
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}
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if (
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props.field.fileCount &&
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props.field.fileCount > 0 &&
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fileFormModel.value.length >= props.field.fileCount
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) {
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let error = new Error(`最多只能上传${props.field.fileCount}张图片`);
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showErrorTips(error);
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return false;
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}
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if (
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props.field.fileSize &&
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props.field.fileSize > 0 &&
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file.size > props.field.fileSize * 1024 * 1024
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) {
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let error = new Error(`图片大小不能超过${props.field.fileSize}MB`);
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showErrorTips(error);
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return false;
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}
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await uploadFile(file);
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return false;
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};
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const uploadFile = async (file) => {
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try {
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loading.value = true;
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const base64 = await processImageFile(file, props.field);
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const result = await apiRequest("api.system.global.file.upload", {
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fileBase64: base64.split(",")[1],
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type: "image",
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fileName: file.name,
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});
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if (!result || !result.url) {
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throw new Error("图片上传失败，未获取到URL");
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}
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let newFileList = [...fileFormModel.value];
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newFileList.push(result.url);
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vModel.value[formatFieldName(props.field.name)] = newFileList.join("|");
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} catch (error) {
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showErrorTips(error);
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} finally {
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loading.value = false;
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}
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};
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const fileFormModel = computed(() => {
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return vModel.value[formatFieldName(props.field.name)]
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.split("|")
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.filter((item) => !!item);
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});
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// 多文件上传
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const uploadMultipleFiles = async (fileList) => {
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try {
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loading.value = true;
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// 检查文件数量限制
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const currentFileCount = fileFormModel.value.length;
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const maxFileCount = props.field.fileCount || 0;
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const remainingSlots = maxFileCount - currentFileCount;
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if (remainingSlots <= 0) {
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let error = new Error(`最多只能上传${maxFileCount}张图片`);
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showErrorTips(error);
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return;
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}
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// 验证每个文件的大小和类型
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const validFiles = [];
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for (const file of fileList) {
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// 检查文件类型
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const isAcceptedType = acceptedImageTypes.value.includes(file.type);
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if (!isAcceptedType) {
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showErrorTips(
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new Error(`图片 ${file.name} 格式不支持，只支持${supportedFormats.value}格式`)
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);
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continue;
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}
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// 检查文件大小
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if (
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props.field.fileSize &&
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props.field.fileSize > 0 &&
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file.size > props.field.fileSize * 1024 * 1024
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) {
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showErrorTips(
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new Error(`图片 ${file.name} 大小超过限制，最大${props.field.fileSize}MB`)
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);
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continue;
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}
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validFiles.push(file);
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// 如果已达到剩余槽位限制，停止添加
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if (validFiles.length >= remainingSlots) {
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break;
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}
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}
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if (validFiles.length === 0) {
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showErrorTips(new Error("没有有效的图片可以上传"));
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return;
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}
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if (validFiles.length < fileList.length) {
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showErrorTips(
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new Error(
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`选择了${fileList.length}张图片，但只有${validFiles.length}张图片符合要求，已自动过滤无效图片`
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)
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);
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}
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if (validFiles.length > remainingSlots) {
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showErrorTips(
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new Error(
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`最多还能上传${remainingSlots}张图片，已自动选择前${remainingSlots}张有效图片`
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)
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);
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}
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// 限制本次上传的文件数量
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const filesToUpload = validFiles.slice(0, remainingSlots);
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const uploadPromises = filesToUpload.map((file) => uploadSingleFile(file));
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const results = await Promise.all(uploadPromises);
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// 过滤掉失败的上传
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const successfulUploads = results.filter((result) => result && result.url);
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if (successfulUploads.length > 0) {
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let newFileList = [...fileFormModel.value];
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newFileList.push(...successfulUploads.map((result) => result.url));
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vModel.value[formatFieldName(props.field.name)] = newFileList.join("|");
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}
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} catch (error) {
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showErrorTips(error);
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} finally {
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loading.value = false;
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}
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};
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// 单个文件上传（不更新UI状态）
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const uploadSingleFile = async (file) => {
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try {
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const base64 = await processImageFile(file, props.field);
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const result = await apiRequest("api.system.global.file.upload", {
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fileBase64: base64.split(",")[1],
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type: "image",
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fileName: file.name,
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});
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return result;
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} catch (error) {
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console.error("图片上传失败:", error);
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return null;
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}
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};
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// 拖动排序功能
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const handleDragStart = (index) => {
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if (!props.dragToSort || props.field.disabled || props.readOnly) return;
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draggingIndex.value = index;
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draggedOverIndex.value = -1;
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// 设置拖拽数据
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event.dataTransfer.effectAllowed = "move";
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event.dataTransfer.setData("text/html", index.toString());
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};
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const handleDragEnd = () => {
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draggingIndex.value = -1;
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draggedOverIndex.value = -1;
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};
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const handleDragOver = (event) => {
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if (!props.dragToSort || props.field.disabled || props.readOnly) return;
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event.preventDefault();
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event.dataTransfer.dropEffect = "move";
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};
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const handleDragEnter = (index) => {
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if (!props.dragToSort || props.field.disabled || props.readOnly) return;
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if (draggingIndex.value !== -1 && draggingIndex.value !== index) {
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draggedOverIndex.value = index;
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}
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};
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const handleDragLeave = (event) => {
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if (!props.dragToSort || props.field.disabled || props.readOnly) return;
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// 只有当离开整个拖拽区域时才清除dragOver状态
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const relatedTarget = event.relatedTarget;
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if (!relatedTarget || !event.currentTarget.contains(relatedTarget)) {
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draggedOverIndex.value = -1;
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}
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};
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const handleDrop = (dropIndex) => {
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if (!props.dragToSort || props.field.disabled || props.readOnly) return;
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try {
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event.preventDefault();
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} catch (_e) {}
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const dragIndex = draggingIndex.value;
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if (dragIndex === -1 || dragIndex === dropIndex) {
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draggingIndex.value = -1;
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draggedOverIndex.value = -1;
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return;
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}
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const newFileList = [...fileFormModel.value];
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const draggedItem = newFileList[dragIndex];
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// 移除被拖动的项目
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newFileList.splice(dragIndex, 1);
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// 计算正确的插入位置
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let insertIndex = dropIndex;
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// 在目标位置插入
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newFileList.splice(insertIndex, 0, draggedItem);
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// 更新数据
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vModel.value[formatFieldName(props.field.name)] = newFileList.join("|");
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draggingIndex.value = -1;
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draggedOverIndex.value = -1;
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};
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</script>
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<style lang="less" scoped>
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.iqudoo-form-image-upload {
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width: 100%;
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.image-grid {
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display: flex;
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gap: 12px;
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flex-wrap: wrap;
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}
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.image-item {
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width: 120px;
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height: 120px;
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display: flex;
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flex-direction: column;
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position: relative;
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border-radius: 8px;
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overflow: hidden;
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border: 1px solid #f0f0f0;
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transition: all 0.2s ease;
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cursor: move;
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}
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.image-item.dragging {
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opacity: 0.6;
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transform: rotate(1deg) scale(1.03);
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box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
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z-index: 1000;
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border-color: #1890ff;
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}
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.image-item.drag-over {
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border: 2px dashed #1890ff;
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background-color: rgba(24, 144, 255, 0.05);
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transform: scale(1.01);
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}
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.image-item:hover {
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
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}
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.delete-button-wrapper {
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position: absolute;
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top: 5px;
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right: 5px;
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z-index: 10;
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}
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.drag-handle {
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position: absolute;
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bottom: 5px;
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left: 5px;
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z-index: 10;
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color: rgba(255, 255, 255, 0.8);
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background-color: rgba(0, 0, 0, 0.5);
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border-radius: 4px;
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padding: 4px;
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cursor: move;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: all 0.2s;
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font-size: 12px;
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}
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.drag-handle:hover {
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background-color: rgba(0, 0, 0, 0.7);
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color: #fff;
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}
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.delete-button-wrapper .ant-btn-circle {
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min-width: 24px;
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width: 24px;
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height: 24px;
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font-size: 10px;
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display: flex;
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align-items: center;
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justify-content: center;
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box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
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}
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.mobile-delete-btn {
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background-color: rgba(255, 77, 79, 0.9) !important;
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transition: all 0.2s;
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border: none;
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color: #fff;
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}
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.mobile-delete-btn:hover,
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.mobile-delete-btn:active {
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background-color: rgb(255, 77, 79) !important;
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}
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.image-preview:hover img {
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transform: scale(1.05);
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}
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.image-name {
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padding: 4px 8px;
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font-size: 12px;
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color: #666;
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text-align: center;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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background-color: #f9f9f9;
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}
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.image-actions {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background: rgba(0, 0, 0, 0.4);
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display: flex;
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justify-content: center;
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align-items: center;
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gap: 8px;
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opacity: 0;
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transition: opacity 0.3s;
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}
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.image-item:hover .image-actions {
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opacity: 1;
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}
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.upload-trigger {
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margin-bottom: 0px;
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}
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.upload-button {
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width: 120px;
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height: 120px;
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border-radius: 8px;
|
||
display: flex;
|
||
flex-direction: column;
|
||
justify-content: center;
|
||
align-items: center;
|
||
color: #999;
|
||
cursor: pointer;
|
||
transition: all 0.3s;
|
||
border: 2px dashed #d9d9d9;
|
||
background-color: #fafafa;
|
||
text-align: center;
|
||
}
|
||
|
||
.upload-button:hover {
|
||
color: #1890ff;
|
||
}
|
||
|
||
.upload-text {
|
||
margin-top: 8px;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.upload-hint {
|
||
font-size: 12px;
|
||
color: #999;
|
||
margin-top: 8px;
|
||
display: flex;
|
||
flex-wrap: wrap;
|
||
}
|
||
|
||
@media (max-width: 768px) {
|
||
.image-grid {
|
||
gap: 8px;
|
||
}
|
||
|
||
.upload-hint {
|
||
flex-direction: column;
|
||
gap: 4px;
|
||
}
|
||
|
||
.delete-button-wrapper {
|
||
display: block;
|
||
}
|
||
|
||
.delete-button-wrapper .ant-btn-circle {
|
||
min-width: 28px;
|
||
width: 28px;
|
||
height: 28px;
|
||
font-size: 14px;
|
||
}
|
||
|
||
.image-actions {
|
||
display: none;
|
||
}
|
||
|
||
.image-preview img {
|
||
transition: none;
|
||
}
|
||
|
||
.image-preview:hover img {
|
||
transform: none;
|
||
}
|
||
|
||
.image-name {
|
||
font-size: 10px;
|
||
padding: 2px 4px;
|
||
}
|
||
}
|
||
}
|
||
</style>
|