!429 修复自定义组件`file-upload`无法显示第一个文件，列表显示的文件比实际文件少一个的问题
Merge pull request !429 from hjk2008/mastermaster
若依
3 years ago
committed by
Gitee
commit
5e6fd0d1e1
@ -1,198 +1,198 @@ |
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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="limit" |
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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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|
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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 fileList"> |
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<el-link :href="`${baseUrl}${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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|
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<script> |
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import { getToken } from "@/utils/auth"; |
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|
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export default { |
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name: "FileUpload", |
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props: { |
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// 值 |
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value: [String, Object, Array], |
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// 数量限制 |
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limit: { |
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type: Number, |
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default: 5, |
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}, |
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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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baseUrl: process.env.VUE_APP_BASE_API, |
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uploadFileUrl: process.env.VUE_APP_BASE_API + "/common/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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watch: { |
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value: { |
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handler(val) { |
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if (val) { |
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let temp = 1; |
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// 首先将值转为数组 |
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const list = Array.isArray(val) ? val : this.value.split(','); |
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// 然后将数组转为对象数组 |
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this.fileList = 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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this.fileList = []; |
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return []; |
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} |
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}, |
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deep: true, |
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immediate: true |
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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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}, |
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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(`上传文件数量不能超过 ${this.limit} 个!`); |
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}, |
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// 上传失败 |
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handleUploadError(err) { |
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this.$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.$message.success("上传成功"); |
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this.fileList.push({ name: res.fileName, url: res.fileName }); |
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this.$emit("input", this.listToString(this.fileList)); |
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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", this.listToString(this.fileList)); |
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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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// 对象转成指定字符串分隔 |
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listToString(list, separator) { |
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let strs = ""; |
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separator = separator || ","; |
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for (let i in list) { |
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strs += list[i].url + separator; |
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} |
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return strs != '' ? strs.substr(0, strs.length - 1) : ''; |
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} |
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} |
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}; |
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</script> |
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|
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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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<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="limit" |
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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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|
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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.url" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList"> |
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<el-link :href="`${baseUrl}${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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|
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<script> |
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import { getToken } from "@/utils/auth"; |
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|
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export default { |
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name: "FileUpload", |
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props: { |
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// 值 |
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value: [String, Object, Array], |
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// 数量限制 |
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limit: { |
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type: Number, |
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default: 5, |
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}, |
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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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baseUrl: process.env.VUE_APP_BASE_API, |
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uploadFileUrl: process.env.VUE_APP_BASE_API + "/common/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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watch: { |
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value: { |
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handler(val) { |
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if (val) { |
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let temp = 1; |
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// 首先将值转为数组 |
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const list = Array.isArray(val) ? val : this.value.split(','); |
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// 然后将数组转为对象数组 |
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this.fileList = 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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this.fileList = []; |
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return []; |
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} |
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}, |
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deep: true, |
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immediate: true |
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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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}, |
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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(`上传文件数量不能超过 ${this.limit} 个!`); |
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}, |
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// 上传失败 |
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handleUploadError(err) { |
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this.$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.$message.success("上传成功"); |
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this.fileList.push({ name: res.fileName, url: res.fileName }); |
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this.$emit("input", this.listToString(this.fileList)); |
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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", this.listToString(this.fileList)); |
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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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// 对象转成指定字符串分隔 |
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listToString(list, separator) { |
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let strs = ""; |
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separator = separator || ","; |
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for (let i in list) { |
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strs += list[i].url + separator; |
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} |
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return strs != '' ? strs.substr(0, strs.length - 1) : ''; |
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} |
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} |
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}; |
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</script> |
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|
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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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|
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