- <template>
- <div class="upload-file">
- <el-upload
- multiple
- :action="uploadFileUrl"
- :before-upload="handleBeforeUpload"
- :file-list="fileList"
- :limit="limit"
- :on-error="handleUploadError"
- :on-exceed="handleExceed"
- :on-success="handleUploadSuccess"
- :show-file-list="false"
- :headers="headers"
- :accept="accept.join()"
- class="upload-file-uploader"
- ref="fileUpload"
- :disabled="props.disabled"
- >
- <!-- 上传按钮 -->
- <el-button type="primary">选取文件</el-button>
- </el-upload>
- <!-- 上传提示 -->
- <div class="el-upload__tip" v-if="showTip">
- 请上传
- <template v-if="fileSize">
- 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b>
- </template>
- <template v-if="fileType">
- 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b>
- </template>
- 的文件
- </div>
- <!-- 文件列表 -->
- <transition-group
- class="upload-file-list el-upload-list el-upload-list--text"
- name="el-fade-in-linear"
- tag="ul"
- >
- <li
- :key="file.uid"
- :title="file.name"
- class="el-upload-list__item ele-upload-list__item-content"
- v-for="(file, index) in fileList"
- >
- <el-link
- class="el-icon-document-a"
- :href="file.url"
- :underline="false"
- target="_blank"
- @click="handlePreview(file)"
- >
- <span class="el-icon-document"> {{ file.name }} </span>
- </el-link>
- <div class="ele-upload-list__item-content-action" v-if="!props.disabled">
- <el-link :underline="false" @click="handleDelete(index)" type="danger"
- >删除</el-link
- >
- </div>
- </li>
- </transition-group>
- </div>
- </template>
-
- <script setup>
- import { getToken } from "@/utils/auth";
-
- const props = defineProps({
- modelValue: [String, Object, Array],
- // 数量限制
- limit: {
- type: Number,
- default: 5,
- },
- // 大小限制(MB)
- fileSize: {
- type: Number,
- default: 0,
- },
- // 文件类型, 例如['png', 'jpg', 'jpeg']
- fileType: {
- type: Array,
- default: () => ["doc", "xls", "ppt", "txt", "pdf"],
- },
- // 是否显示提示
- isShowTip: {
- type: Boolean,
- default: true,
- },
- //是否返回文件名name
- isBackName: {
- type: Boolean,
- default: false,
- },
- disabled: {
- type: Boolean,
- default: false
- }
- });
-
- const { proxy } = getCurrentInstance();
- const emit = defineEmits();
- const number = ref(0);
- const uploadList = ref([]);
- const baseUrl =
- import.meta.env.VITE_APP_ENV == "development"
- ? "/dev-api"
- : import.meta.env.VITE_APP_BASE_API;
- const uploadFileUrl = ref(baseUrl + "/file/upload"); // 上传文件服务器地址
- const headers = ref({ Authorization: "Bearer " + getToken() });
- const fileList = ref([]);
- const showTip = computed(() => {
- return props.isShowTip && (props.fileType || props.fileSize);
- });
-
- watch(
- () => props.modelValue,
- (val) => {
- if (val) {
- let temp = 1;
- // 首先将值转为数组
- const list = Array.isArray(val) ? val : props.modelValue.split(",");
- // 然后将数组转为对象数组
- fileList.value = list.map((item) => {
- if (typeof item === "string") {
- item = { name: item, url: item };
- }
- item.uid = item.uid || new Date().getTime() + temp++;
- return item;
- });
- } else {
- fileList.value = [];
- return [];
- }
- },
- { deep: true, immediate: true }
- );
- const accept = computed(() => {
- if (props.fileType.length) {
- let data = [];
- data = props.fileType.map((val) => {
- return `.${val}`;
- });
- return data;
- } else {
- return [];
- }
- });
- // 上传前校检格式和大小
- function handleBeforeUpload(file) {
- // 校检文件类型
- if (props.fileType.length) {
- const fileName = file.name.split(".");
- const fileExt = fileName[fileName.length - 1];
- const isTypeOk = props.fileType.indexOf(fileExt) >= 0;
- if (!isTypeOk) {
- proxy.$modal.msgError(
- `文件格式不正确, 请上传${props.fileType.join("/")}格式文件!`
- );
- return false;
- }
- }
- // 校检文件大小
- if (props.fileSize) {
- const isLt = file.size / 1024 / 1024 < props.fileSize;
- if (!isLt) {
- proxy.$modal.msgError(`上传文件大小不能超过 ${props.fileSize} MB!`);
- return false;
- }
- }
- proxy.$modal.loading("正在上传文件,请稍候...");
- number.value++;
- return true;
- }
-
- // 文件个数超出
- function handleExceed() {
- proxy.$modal.msgError(`上传文件数量不能超过 ${props.limit} 个!`);
- }
-
- // 上传失败
- function handleUploadError(err) {
- proxy.$modal.msgError("上传文件失败");
- }
-
- // 上传成功回调
- function handleUploadSuccess(res, file) {
- if (res.code === 200) {
- uploadList.value.push({
- name: res.data.url,
- url: res.data.url,
- originalName: res.data.originalName,
- ...res.data
- });
- uploadedSuccessfully();
- } else {
- number.value--;
- proxy.$modal.closeLoading();
- proxy.$modal.msgError(res.msg);
- proxy.$refs.fileUpload.handleRemove(file);
- uploadedSuccessfully();
- }
- }
-
- // 预览文件
- function handlePreview(file) {
- emit('preview', file)
- }
-
- // 删除文件
- function handleDelete(index) {
- fileList.value.splice(index, 1);
- if (props.isBackName) {
- emit("update:modelValue", fileList.value);
- } else {
- emit("update:modelValue", listToString(fileList.value));
- }
- // emit("update:modelValue", listToString(fileList.value));
- }
-
- // 上传结束处理
- function uploadedSuccessfully() {
- if (number.value > 0 && uploadList.value.length === number.value) {
- fileList.value = fileList.value
- .filter((f) => f.url !== undefined)
- .concat(uploadList.value);
- console.log("fileList.value", fileList.value);
- uploadList.value = [];
- number.value = 0;
- if (props.isBackName) {
- emit("update:modelValue", fileList.value);
- } else {
- emit("update:modelValue", listToString(fileList.value));
- }
- // emit("update:modelValue", listToString(fileList.value));
- proxy.$modal.closeLoading();
- }
- }
-
- // 获取文件名称
- function getFileName(name) {
- if (name.lastIndexOf("/") > -1) {
- return name.slice(name.lastIndexOf("/") + 1);
- } else {
- return "";
- }
- }
-
- // 对象转成指定字符串分隔
- function listToString(list, separator) {
- let strs = "";
- separator = separator || ",";
- for (let i in list) {
- if (list[i].url) {
- strs += list[i].url + separator;
- }
- }
- return strs != "" ? strs.substr(0, strs.length - 1) : "";
- }
- </script>
-
- <style scoped lang="scss">
- .upload-file {
- width: 100%;
- }
- .upload-file-uploader {
- margin-bottom: 5px;
- }
- .upload-file-list .el-upload-list__item {
- border: 1px solid #e4e7ed;
- line-height: 2;
- margin-bottom: 10px;
- position: relative;
- }
- .upload-file-list .ele-upload-list__item-content {
- display: flex;
- justify-content: space-between;
- align-items: center;
- color: inherit;
- padding: 5px 10px;
- width: 100%;
- overflow: hidden;
- :deep(.el-icon-document-a){
- flex: 1;
- overflow: hidden;
- .el-link__inner {
- white-space: nowrap;
- text-overflow: ellipsis;
- overflow: hidden;
- display: block;
- }
- }
- .ele-upload-list__item-content-action {
- flex-shrink: 0;
- }
- }
- .ele-upload-list__item-content-action .el-link {
- margin-left: 10px;
- }
- </style>