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ops2/frontent/ops_vue_js/src/components/useDropzone.vue
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2026-01-23 21:13:43 +08:00

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12 KiB
Vue

<script setup>
import { ref, onMounted, onUnmounted, defineProps, reactive } from "vue";
import { useI18n } from "vue-i18n";
const { t, locale } = useI18n();
import Dropzone from "dropzone";
import "dropzone/dist/dropzone.css";
import { useUserStore } from "@/stores/user";
import "fslightbox";
const lightbox = new FsLightbox();
const userStore = useUserStore();
const dropzoneElement = ref(null);
var dropzoneInstance = null;
const files = reactive([]);
function get_file_from_uuid(uuid) {
if (files.length != 0) {
for (var i = 0; i < files.length; i++) {
if (files[i].uuid == uuid) {
return i;
}
}
return -1;
}
return -2;
}
function remove_file_from_uuie(uuid) {
//devare files[uuid]
var id = get_file_from_uuid(uuid);
if (id >= 0) {
files.splice(id, 1);
}
}
const prop = defineProps({
maxFiles: {
type: Number,
default: 5,
},
acceptedFiles: {
type: String,
default: "image/*",
},
maxFilesize: {
type: Number,
default: 10,
},
uploadURL: {
type: String,
default: "/api/files/upload",
},
});
// 初始化 Dropzone
const initDropzone = () => {
if (!dropzoneElement.value) return;
// 禁用自动发现
Dropzone.autoDiscover = false;
// 移除任何现有的 Dropzone 实例
if (dropzoneInstance) {
dropzoneInstance.destroy();
}
// 初始化新的实例
dropzoneInstance = new Dropzone(dropzoneElement.value, {
url: prop.uploadURL, // 上传地址
// headers: {
// user_cookie: "cccc",
// },
method: "post",
//uploadMultiple: true,
previewTemplate: document.getElementById("custom-template").innerHTML,
parallelUploads: 3, // 同时上传的文件数
maxFilesize: prop.maxFilesize, // MB
maxFiles: prop.maxFiles, // 最大文件数
acceptedFiles: prop.acceptedFiles, // 接受的文件类型
//addRemoveLinks: true, // 显示移除链接
dictDefaultMessage: t("dropzone.upload_drop_or_click"),
dictFallbackMessage: t("dropzone.upload_browser_not_supported"),
dictFivarooBig:
t("dropzone.upload_file_too_big") +
"({{filesize}}MB). " +
t("dropzone.upload_max_file_size") +
"{{maxFilesize}}MB.",
dictInvalidFivarype: t("dropzone.upload_invalid_file_type"),
dictResponseError: t("dropzone.upload_server_error") + "{{statusCode}}",
//dictCancelUpload: t('dropzone.upload_cancel'),
//dictUploadCanceled: t('dropzone.upload_canceled'),
//dictCancelUploadConfirmation: t('dropzone.upload_cancel_confirmation'),
dictRemoveFile: t("dropzone.upload_remove_file"),
dictMaxFilesExceeded:
t("dropzone.upload_max_files") +
"{{maxFiles}}" +
t("dropzone.upload_max_files_unit"),
// 事件处理
init: function () {
this.on("success", (file, response) => {
//console.log("上传成功:", file, response);
file.previewElement.addEventListener("click", function (e) {
e.preventDefault();
e.stopPropagation();
// 处理点击事件
//console.log("缩略图被点击", file);
//动态把文件载入灯箱
//先移除原有数据
lightbox.props.sources.splice(0, lightbox.props.sources.length);
var dis_id = 0;
var dis_id_t = 0;
for (var i = 0; i < files.length; i++) {
if (files[i]["is_upload"] == true) {
lightbox.props.sources.push(files[i]["get_url"]);
if (files[i]["uuid"] == file.upload.uuid) {
dis_id = dis_id_t;
}
}
dis_id_t += 1;
}
lightbox.open(dis_id);
// 可以在这里实现:
// 1. 预览大图
// 2. 显示文件详情
// 3. 触发自定义操作
});
//将后台接收到的url添加到文件列表
// var t = {
// //uuid:file.upload.uuid,
// hash: response.return.hash,
// get_url: response.return.get,
// download_url: response.return.download,
// name: file.name,
// size: file.size,
// };
var file_id = get_file_from_uuid(file.upload.uuid);
if (file_id >= 0) {
files[file_id]["hash"] = response.return.hash;
files[file_id]["get_url"] = response.return.get;
files[file_id]["download_url"] = response.return.download;
files[file_id]["file_name"] = file.name;
files[file_id]["file_size"] = file.size;
files[file_id]["is_upload"] = true;
//console.log(files)
}
//files.push(t)
// files[file.upload.uuid]=t
// console.log(files)
// lightbox.props.sources.push(t.get_url)
// console.log(lightbox)
});
this.on("error", (file, errorMessage) => {
console.error("上传失败:", file.name, errorMessage);
});
this.on("removedfile", (file) => {
//console.log("remove:", file);
//files.value = files.value.filter(f => f.name !== file.name)
remove_file_from_uuie(file.upload.uuid);
//console.log(files)
});
this.on("addedfile", (file) => {
//添加文件
console.log(get_file_from_uuid(file.upload.uuid));
//判断文件是否重复
if (get_file_from_uuid(file.upload.uuid) <0) {
// //控制排序 需要从添加文件开始操作
var t = {
uuid: file.upload.uuid,
is_upload: false,
};
files.push(t);
console.log(files);
return;
}
//this.removeFile(file)
});
this.on("sending", function (file, xhr, formData) {
// 获取表单值并添加到 FormData
//console.log(userStore.userCookie.Value)
formData.append("cookie", userStore.userCookie.Value);
});
},
});
};
// 自定义方法
// const formatBytes = (bytes, decimals = 2) => {
// if (bytes === 0) return '0 Bytes'
// const k = 1024
// const dm = decimals < 0 ? 0 : decimals
// const sizes = ['Bytes', 'KB', 'MB', 'GB']
// const i = Math.floor(Math.log(bytes) / Math.log(k))
// return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]
// }
// // 手动添加文件的方法
// const addFiles = (fileList) => {
// if (dropzoneInstance) {
// Array.from(fileList).forEach(file => {
// dropzoneInstance.addFile(file)
// })
// }
// }
// // 获取所有已添加的文件
// const getAllFiles = () => {
// return dropzoneInstance ? dropzoneInstance.files : []
// }
// // 清除所有文件
// const removeAllFiles = () => {
// if (dropzoneInstance) {
// dropzoneInstance.removeAllFiles(true)
// }
// }
function return_files() {
return files;
}
// 组件挂载时初始化
onMounted(() => {
initDropzone();
//console.log(lightbox)
});
// 组件卸载时销毁
onUnmounted(() => {
if (dropzoneInstance) {
dropzoneInstance.destroy();
}
});
defineExpose({
return_files,
});
</script>
<template>
<div>
<div id="custom-template" style="display: none">
<div class="dz-preview dz-file-preview my-custom-style">
<div class="remove-btn" data-dz-remove>
<!-- <i class="bi bi-x"></i> -->
X
</div>
<div class="dz-image">
<img data-dz-thumbnail alt="File preview" />
<!-- 缩略图 -->
</div>
<div class="dz-details">
<div class="dz-filename"><span data-dz-name></span></div>
<!-- 文件名 -->
<div class="dz-size"><span data-dz-size></span></div>
<!-- 文件大小 -->
</div>
<div class="dz-progress">
<span class="dz-upload" data-dz-uploadprogress></span>
<!-- 进度条 -->
</div>
<div class="dz-success-mark" data-dz-successmark>
<svg
xmlns="http://www.w3.org/2000/svg"
width="24"
height="24"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
class="icon icon-tabler icons-tabler-outline icon-tabler-circle-check"
>
<path stroke="none" d="M0 0h24v24H0z" fill="none" />
<path d="M3 12a9 9 0 1 0 18 0a9 9 0 1 0 -18 0" />
<path d="M9 12l2 2l4 -4" />
</svg>
</div>
<!-- 成功标记 -->
<div class="dz-error-mark" data-dz-errormark>
<svg
xmlns="http://www.w3.org/2000/svg"
width="240"
height="240"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
class="icon icon-tabler icons-tabler-outline icon-tabler-circle-x"
>
<path stroke="none" fill="none" d="M0 0h24v24H0z" />
<path d="M3 12a9 9 0 1 0 18 0a9 9 0 1 0 -18 0" />
<path d="M10 10l4 4m0 -4l-4 4" />
</svg>
</div>
<!-- 错误标记 -->
<div class="dz-error-message"><span data-dz-errormessage></span></div>
<!-- 错误信息 -->
<!-- 移除按钮 -->
</div>
</div>
<div class="text-end">{{ files.length }}/{{ maxFiles }}</div>
<div ref="dropzoneElement" class="dropzone"></div>
</div>
</template>
<style scoped>
.dz_mark {
height: 60px;
width: 60px;
}
.thumbnail-container {
display: flex;
flex-wrap: wrap;
gap: 15px;
justify-content: center;
padding: 20px;
background-color: white;
border-radius: 15px;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
/* 缩略图样式 */
.thumbnail {
width: var(--thumbnail-size);
height: var(--thumbnail-size);
border-radius: var(--border-radius);
object-fit: cover;
border: 2px solid #e9ecef;
transition: all 0.3s ease;
}
.thumbnail:hover {
transform: scale(1.05);
border-color: #6c757d;
}
/* 缩略图包装器 */
.thumbnail-wrapper {
position: relative;
width: var(--thumbnail-size);
height: var(--thumbnail-size);
margin-bottom: 10px;
}
/* 移除按钮 */
.remove-btn {
position: absolute;
top: -12px;
right: -12px;
width: 24px;
height: 24px;
border-radius: 50%;
background-color: #dc3545;
color: white;
border: none;
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
cursor: pointer;
transition: all 0.2s ease;
z-index: 10;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.remove-btn:hover {
background-color: #bb2d3b;
transform: scale(1.1);
}
/* 文件名称 */
.file-name {
font-size: 12px;
text-align: center;
max-width: 100px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
color: #495057;
}
/* 上传区域 */
.upload-area {
border: 2px dashed #dee2e6;
border-radius: 15px;
padding: 30px;
text-align: center;
background-color: #f8f9fa;
cursor: pointer;
transition: all 0.3s ease;
margin-bottom: 20px;
}
.upload-area:hover {
border-color: #6c757d;
background-color: #e9ecef;
}
.upload-icon {
font-size: 48px;
color: #6c757d;
margin-bottom: 10px;
}
.preview-title {
color: #343a40;
border-bottom: 2px solid #e9ecef;
padding-bottom: 10px;
margin-bottom: 20px;
}
.empty-state {
text-align: center;
padding: 40px 20px;
color: #6c757d;
}
.empty-state i {
font-size: 48px;
margin-bottom: 15px;
color: #adb5bd;
}
.counter-badge {
position: absolute;
top: -5px;
right: -5px;
background-color: #0d6efd;
color: white;
border-radius: 50%;
width: 20px;
height: 20px;
font-size: 12px;
display: flex;
align-items: center;
justify-content: center;
}
.thumbnail-actions {
display: flex;
justify-content: space-between;
margin-top: 20px;
}
.file-input {
display: none;
}
</style>