RuoYi
4 years ago
parent
843f08984b
commit
a445462153
@ -0,0 +1,178 @@
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<template>
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<div class="upload-file">
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<el-upload
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:action="uploadFileUrl"
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:before-upload="handleBeforeUpload"
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:file-list="fileList"
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:limit="1"
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:on-error="handleUploadError"
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:on-exceed="handleExceed"
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:on-success="handleUploadSuccess"
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:show-file-list="false"
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:headers="headers"
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class="upload-file-uploader"
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ref="upload"
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>
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<!-- 上传按钮 -->
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<el-button size="mini" type="primary">选取文件</el-button>
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<!-- 上传提示 -->
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<div class="el-upload__tip" slot="tip" v-if="showTip">
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请上传
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<template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
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<template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
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的文件
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</div>
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</el-upload>
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<!-- 文件列表 -->
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<transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
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<li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in list">
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<el-link :href="file.url" :underline="false" target="_blank">
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<span class="el-icon-document"> {{ getFileName(file.name) }} </span>
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</el-link>
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<div class="ele-upload-list__item-content-action">
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<el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
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</div>
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</li>
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</transition-group>
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</div>
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</template>
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<script>
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import { getToken } from "@/utils/auth";
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export default {
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props: {
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// 值
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value: [String, Object, Array],
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// 大小限制(MB)
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fileSize: {
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type: Number,
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default: 5,
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},
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// 文件类型, 例如['png', 'jpg', 'jpeg']
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fileType: {
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type: Array,
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default: () => ["doc", "xls", "ppt", "txt", "pdf"],
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},
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// 是否显示提示
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isShowTip: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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uploadFileUrl: process.env.VUE_APP_BASE_API + "/file/upload", // 上传的图片服务器地址
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headers: {
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Authorization: "Bearer " + getToken(),
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},
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fileList: [],
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};
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},
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computed: {
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// 是否显示提示
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showTip() {
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return this.isShowTip && (this.fileType || this.fileSize);
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},
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// 列表
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list() {
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let temp = 1;
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if (this.value) {
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// 首先将值转为数组
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const list = Array.isArray(this.value) ? this.value : [this.value];
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// 然后将数组转为对象数组
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return list.map((item) => {
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if (typeof item === "string") {
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item = { name: item, url: item };
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}
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item.uid = item.uid || new Date().getTime() + temp++;
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return item;
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});
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} else {
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return [];
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}
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},
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},
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methods: {
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// 上传前校检格式和大小
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handleBeforeUpload(file) {
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// 校检文件类型
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if (this.fileType) {
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let fileExtension = "";
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if (file.name.lastIndexOf(".") > -1) {
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fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
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}
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const isTypeOk = this.fileType.some((type) => {
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if (file.type.indexOf(type) > -1) return true;
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if (fileExtension && fileExtension.indexOf(type) > -1) return true;
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return false;
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});
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if (!isTypeOk) {
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this.$message.error(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
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return false;
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}
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}
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// 校检文件大小
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if (this.fileSize) {
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const isLt = file.size / 1024 / 1024 < this.fileSize;
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if (!isLt) {
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this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
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return false;
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}
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}
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return true;
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},
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// 文件个数超出
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handleExceed() {
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this.$message.error(`只允许上传单个文件`);
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},
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// 上传失败
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handleUploadError(err) {
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this.$message.error("上传失败, 请重试");
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},
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// 上传成功回调
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handleUploadSuccess(res, file) {
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this.$message.success("上传成功");
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this.$emit("input", res.data.url);
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},
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// 删除文件
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handleDelete(index) {
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this.fileList.splice(index, 1);
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this.$emit("input", '');
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},
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// 获取文件名称
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getFileName(name) {
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if (name.lastIndexOf("/") > -1) {
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return name.slice(name.lastIndexOf("/") + 1).toLowerCase();
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} else {
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return "";
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}
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}
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},
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created() {
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this.fileList = this.list;
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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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.upload-file-uploader {
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margin-bottom: 5px;
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}
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.upload-file-list .el-upload-list__item {
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border: 1px solid #e4e7ed;
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line-height: 2;
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margin-bottom: 10px;
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position: relative;
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}
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.upload-file-list .ele-upload-list__item-content {
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display: flex;
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justify-content: space-between;
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align-items: center;
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color: inherit;
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}
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.ele-upload-list__item-content-action .el-link {
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margin-right: 10px;
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}
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</style>
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