disk-file-upload.vue 23.6 KB
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<template>
    <div id="file-upload">
        <el-row id="el-row">
            <!--拖拽上传-->
            <el-col v-if="showDrag==true" class="withDrag">
                <el-upload
                        ref="upload"
                        drag
                        multiple
                        list-type="text"
                        :disabled="disabled"
                        :action="getAction()"
                        :headers="myHeaders"
                        :file-list="uploadFileList"
                        :show-file-list="false"
                        :http-request="customUploadFile">
                    <div>
                        <i class="el-icon-upload"></i>
                        <div>
                            <span>{{$t('components.diskFileUpload.fileDrag')}}</span>
                            <span style="color:#409EFF;">{{$t('components.diskFileUpload.clickUpload')}}</span>
                        </div>
                    </div>
                </el-upload>
            </el-col>
            <!--点击上传-->
            <el-col v-else class="withoutDrag">
                <el-upload
                        ref="upload"
                        multiple
                        list-type="text"
                        :disabled="disabled"
                        :action="getAction()"
                        :headers="myHeaders"
                        :file-list="uploadFileList"
                        :show-file-list="false"
                        :http-request="customUploadFile">
                    <el-button type="primary" size="small" icon="el-icon-upload" :disabled="disabled">
                        {{$t('components.diskFileUpload.clickUpload')}}
                    </el-button>
                </el-upload>
            </el-col>
            <!--文件操作-->
            <el-col v-for="(item,index) in uploadFileList" :key="index" class="fileList">
                <div class="fileTitle">
                    <i class="el-icon-document"></i>
                    <span>{{item.name}}</span>
                </div>
                <div class="fileMain">
                    <el-link type="success" icon="el-icon-download" @click="onDownload(item)">
                        {{$t('components.diskFileUpload.load')}}
                    </el-link>
                    <el-link type="warning" icon="el-icon-view" v-show="showPreview" @click="onPreview(item)">
                        {{$t('components.diskFileUpload.preview')}}
                    </el-link>
                    <el-link type="primary" icon="el-icon-edit"
                             v-show="showEdit && (item.name.match(/^.+\.(doc|DOC|docx|DOCX|wps|WPS|xls|XLS|xlsx|XLSX|ppt|PPT|et|ET)$/))"
                             @click="onEdit(item)">{{$t('components.diskFileUpload.edit')}}
                    </el-link>
                    <el-link icon="el-icon-camera"
                             v-show="showOcrview && (item.name.match(/^.+\.(gif|GIF|jpg|JPG|jpeg|JPEG|png|PNG|bmp|BMP|pdf|PDF)$/))"
                             @click="onOcr(item)">OCR
                    </el-link>
                    <el-link type="danger" icon="el-icon-delete" @click="onRemove(item,index)">
                        {{$t('components.diskFileUpload.delete')}}
                    </el-link>
                </div>
            </el-col>
        </el-row>
        <!-- 自定义弹框 -->
        <div class="dialogDiv">
            <el-dialog
                    :title="dialogTitle"
                    center
                    width="70%"
                    top="5vh"
                    :visible="showDialog"
                    :close-on-click-modal="true"
                    :show-close="true"
                    :before-close="dialogClose"
                    :modal-append-to-body="false">
                <div style="height: 100%;">
                    <iframe id="fileIframe" :src="iframeUrl" frameborder="0" width="100%"></iframe>
                </div>
            </el-dialog>
        </div>
    </div>
</template>

<script lang="ts">
    import {Component, Vue, Prop, Watch} from 'vue-property-decorator';
    import {Button, Row, Col, Link, Icon, Upload, Message, MessageBox} from 'element-ui';
    import Axios from 'axios';
    import {Subject, Unsubscribable} from 'rxjs';

    @Component({})
    export default class DiskFileUpload extends Vue {

        /**
         * 当前表单对象
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        @Prop() public data!: any;

        /**
         * 当前属性名
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        @Prop() public formItemName!: string;

        /**
         * 当前属性值
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        @Prop() public value!: string;

        /**
         * 当前表单状态
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        @Prop() public formState!: any;

        /**
         * 默认为当前实体名称,有指定则按表单参数
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        @Prop() public folder!: string;

        /**
         * 默认为当前实体主键id,有指定则按表单参数
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        @Prop() public ownerid!: string;

        /**
         * 默认为当前属性名,有指定则按表单参数
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        @Prop() public ownertype!: string;

        /**
         * 持久化
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public persistence?: boolean;

        /**
         * 是否启用
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public disabled?: boolean;

        /**
         * 是否显示拖拽区域
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public showDrag?: boolean;

        /**
         * 是否显示预览按钮
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public showPreview?: boolean;

        /**
         * 是否显示在线编辑按钮
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public showEdit?: boolean;

        /**
         * 是否显示OCR按钮
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        @Prop({default: false}) public showOcrview?: boolean;

        /**
         * 表单是否处于编辑状态(有真实主键,srfuf='1';srfuf='0'时处于新建未保存)
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        public srfuf: string = '0';


        /**
         * 文件列表
         *
         * @type {Array<any>}
         * @memberof DiskFileUpload
         */
        public uploadFileList: Array<any> = [];

        /**
         * 当前登陆人的token
         *
         * @type {string}
         * @memberof DiskFileUpload
         */
        public token: string = "Bearer " + localStorage.getItem('token');

        /**
         * 上传文件请求头
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        public myHeaders: any = {Authorization: this.token};

        /**
         * 表单状态事件
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        public formStateEvent: any | Unsubscribable | undefined;

        /**
         * 批量更新标识,false为不更新,true才可以更新
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        public isUpdateBatch: boolean = true;

        /**
         * 新建状态标识,true为新建,false为编辑
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        public isCreate: boolean = true;

        /**
         * 自定义弹框标题
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        public dialogTitle: any = '';

        /**
         * 是否显示自定义弹框
         *
         * @type {boolean}
         * @memberof DiskFileUpload
         */
        public showDialog: boolean = false;

        /**
         * 嵌入自定义弹框中iframe的url
         *
         * @type {*}
         * @memberof DiskFileUpload
         */
        public iframeUrl: any = '';

        /**
         * 关闭自定义弹框
         *
         * @memberof DiskFileUpload
         */
        public dialogClose() {
            this.dialogTitle = '';
            this.showDialog = false;
            this.iframeUrl = '';
            let iframe: any = document.getElementById("fileIframe");
            iframe.parentNode.removeChild("fileIframe");
        }

        /**
         * 拼接上传路径
         *
         * @memberof DiskFileUpload
         */
        public getAction() {
            return '/net-disk/upload/' + this.getFolder() + '?ownertype=' + this.getOwnertype() + '&ownerid=' + this.getOwnerid();
        }

        /**
         * return folder
         *
         * @memberof DiskFileUpload
         */
        public getFolder() {
            return typeof this.folder == "string" ? this.folder : JSON.stringify(this.folder);
        }

        /**
         * return ownertype
         *
         * @memberof DiskFileUpload
         */
        public getOwnertype() {
            return typeof this.ownertype == "string" ? this.ownertype : JSON.stringify(this.ownertype);
        }

        /**
         * return ownerid
         *
         * @memberof DiskFileUpload
         */
        public getOwnerid() {
            return typeof this.ownerid == "string" ? this.ownerid : JSON.stringify(this.ownerid);
        }

        /**
         * vue创建
         *
         * @memberof DiskFileUpload
         */
        public created() {
            this.formStateEvent = this.formState.subscribe(($event: any) => {
                // 表单加载完成
                if (Object.is($event.type, 'load')) {
                    const data = JSON.parse(JSON.stringify($event.data));
                    // 编辑表单,保存时不进行批量更新
                    if (data.srfuf == '1') {
                        this.isCreate = false;
                        this.isUpdateBatch = false;
                    }
                    // 当persistence = true时
                    if (this.persistence == true) {
                        // 直接从表单的data数据里获取当前属性的值
                        if (data[this.formItemName] && this.uploadFileList.length == 0) {
                            const files = JSON.parse(data[this.formItemName]);
                            for (let i = 0; i < files.length; i++) {
                                this.uploadFileList.push(files[i]);
                            }
                        }
                    } else {
                        // 发送get请求获取文件列表
                        this.getFiles();
                    }
                }
                // 表单保存完成
                if (Object.is($event.type, 'save')) {
                    // 批量更新文件表中的ownerid
                    if (this.isUpdateBatch == true && this.uploadFileList.length > 0) {
                        this.updateFileBatch(this.uploadFileList);
                    }
                }
            });
        }

        /**
         * 获取文件列表
         *
         * @memberof DiskFileUpload
         */
        public getFiles() {
            // 拼接url
            let _this: any = this;
            const getUrl = '/net-disk/files/' + this.getFolder();
            // 发送get请求
            Axios.get(getUrl, {
                params: {
                    ownertype: this.getOwnertype(),
                    ownerid: this.getOwnerid(),
                },
            }).then((response: any) => {
                if (!response || response.status != 200) {
                    Message.error(_this.$t('components.diskFileUpload.getFileFailure') + '!');
                    return;
                }
                // 返回的是一个jsonArray
                if (response.data) {
                    const files = JSON.parse(JSON.stringify(response.data));
                    if (this.uploadFileList.length == 0) {
                        this.uploadFileList.push.apply(this.uploadFileList, files);
                    }
                }
            }).catch((error: any) => {
                Message.error(_this.$t('components.diskFileUpload.getFileFailure') + ':' + error);
            });
        }

        /**
         * 自定义上传文件
         *
         * @param 上传文件
         * @memberof DiskFileUpload
         */
        public customUploadFile(param: any) {
            // 上传的文件
            let _this: any = this;
            let file = param.file;
            // formData传参
            let formData = new FormData();
            formData.append('file', file);
            // 拼接url
            const uploadUrl = this.getAction();
            // 发送post请求
            Axios.post(uploadUrl, formData).then((response: any) => {
                if (!response || response.status != 200) {
                    Message.error(_this.$t('components.diskFileUpload.loadFailure') + '!');
                }
                // 返回的是一个jsonobject
                if (response.data) {
                    // 新建表单上传,后续需要批量更新操作
                    if (this.isCreate == true) {
                        this.isUpdateBatch = true;
                    }
                    // 保存到文件列表进行显示
                    this.uploadFileList.push(response.data);
                    // persistence=true时需要持久化表单属性
                    if (this.persistence == true && this.uploadFileList.length > 0) {
                        const value = JSON.stringify(this.uploadFileList);
                        this.$emit('formitemvaluechange', {name: this.formItemName, value: value});
                    }
                }
            }).catch((error: any) => {
                Message.error(_this.$t('components.diskFileUpload.loadFailure') + ':' + error);
            })
        }

        /**
         * 下载文件
         *
         * @param item 下载文件
         * @memberof DiskFileUpload
         */
        public onDownload(item: any) {
            // 拼接url
            let _this: any = this;
            const id = typeof item.id == "string" ? item.id : JSON.stringify(item.id);
            const name = typeof item.name == "string" ? item.name : JSON.stringify(item.filename);
            const downloadUrl = '/net-disk/download/' + this.getFolder() + '/' + id + '/' + name;
            // 发送get请求
            Axios.get(downloadUrl, {
                headers: {
                    'authcode': item.authcode,
                },
                responseType: 'arraybuffer',
            }).then((response: any) => {
                if (!response || response.status != 200) {
                    Message.error(_this.$t('components.diskFileUpload.downloadFile') + '!');
                    return;
                }
                // 请求成功,后台返回的是一个文件流
                if (response.data) {
                    // 获取文件名
                    const disposition = response.headers['content-disposition'];
                    const filename = disposition.split('filename=')[1];
                    // 用blob对象获取文件流
                    let blob = new Blob([response.data], {type: response.headers['content-type']});
                    // 通过文件流创建下载链接
                    var href = URL.createObjectURL(blob);
                    // 创建一个a元素并设置相关属性
                    let a = document.createElement('a');
                    a.href = href;
                    if (name) {
                        a.download = name;
                    } else {
                        a.download = filename;
                    }
                    // 添加a元素到当前网页
                    document.body.appendChild(a);
                    // 触发a元素的点击事件,实现下载
                    a.click();
                    // 从当前网页移除a元素
                    document.body.removeChild(a);
                    // 释放blob对象
                    URL.revokeObjectURL(href);
                } else {
                    Message.error(_this.$t('components.diskFileUpload.downloadFile1'));
                }
            }).catch((error: any) => {
                Message.error(_this.$t('components.diskFileUpload.downloadFile') + ':' + error);
            });
        }

        /**
         * 预览文件
         *
         * @param item 预览文件
         * @memberof DiskFileUpload
         */
        public onPreview(item: any) {
            // 拼接url
            const id = typeof item.id == "string" ? item.id : JSON.stringify(item.id);
            const name = typeof item.name == "string" ? item.name : JSON.stringify(item.name);
            let previewUrl = '/net-disk/preview/' + this.getFolder() + '/' + id + '/' + name + '?authcode=' + item.authcode;
            Axios.get(previewUrl).then((response: any) => {
                if (!response || response.status != 200) {
                    return;
                }
                // 返回一个url,通过自定义弹框打开
                if (response.data) {
                    this.dialogTitle = name;
                    this.showDialog = true;
                    this.iframeUrl = response.data;
                }
            }).catch((error: any) => {
                Message.error(error);
            });
        }

        /**
         * 编辑文件
         *
         * @param item
         * @memberof DiskFileUpload
         */
        public onEdit(item: any) {
            // 拼接url
            const id = typeof item.id == "string" ? item.id : JSON.stringify(item.id);
            const name = typeof item.name == "string" ? item.name : JSON.stringify(item.name);
            const editUrl = '/net-disk/editview/' + this.getFolder() + '/' + id + '/' + name + '?authcode=' + item.authcode;
            // TODO:暂时用window.open
            window.open(editUrl);
        }

        /**
         * ocr识别
         * @param item
         * @memberof DiskFileUpload
         */
        public onOcr(item: any) {
            // 拼接url
            const folder = typeof this.folder == "string" ? this.folder : JSON.stringify(this.folder);
            const id = typeof item.id == "string" ? item.id : JSON.stringify(item.id);
            const name = typeof item.name == "string" ? item.name : JSON.stringify(item.name);
            const ocrUrl = '/net-disk/ocrview/' + this.getFolder() + '/' + id + '/' + name + '?authcode=' + item.authcode;
            Axios.get(ocrUrl).then((response: any) => {
                if (!response || response.status != 200) {
                    return;
                }
                // 返回一个url,通过自定义弹框打开
                if (response.data) {
                    this.dialogTitle = name;
                    this.showDialog = true;
                    this.iframeUrl = response.data;
                }
            }).catch((error: any) => {
                Message.error(error);
            });
        }

        /**
         * 删除文件
         *
         * @param item
         * @param index
         * @memberof DiskFileUpload
         */
        public onRemove(item: any, index: number) {
            let _this: any = this;
            if (item) {
                MessageBox.confirm(_this.$t('components.diskFileUpload.deleteFile'), _this.$t('components.diskFileUpload.deleteFilePrompt'), {
                    confirmButtonText: _this.$t('components.diskFileUpload.true'),
                    cancelButtonText: _this.$t('components.diskFileUpload.false'),
                    type: 'warning'
                }).then(() => {
                    // 拼接url
                    const deleteUrl = '/net-disk/files/' + item.id;
                    // 发送delete请求
                    Axios.delete(deleteUrl).then((response: any) => {
                        if (!response || response.status != 200) {
                            Message.error(_this.$t('components.diskFileUpload.deleteFileFailure') + '!');
                        }
                        // 从文件列表中删除
                        this.uploadFileList.splice(index, 1);
                        // persistence=true时需要持久化表单属性
                        if (this.persistence == true) {
                            const value = JSON.stringify(this.uploadFileList);
                            this.$emit('formitemvaluechange', {name: this.formItemName, value: value});
                        }
                    }).catch((error: any) => {
                        // 提示删除失败
                        Message.error(_this.$t('components.diskFileUpload.deleteFileFailure') + ':' + error);
                    });
                });
            }
        }

        /**
         * 批量更新文件表的ownerid
         *
         * @memberof DiskFileUpload
         */
        public updateFileBatch(files: any) {
            let _this: any = this;
            // 拼接url
            const updateUrl = '/net-disk/files/' + this.getFolder() + '?ownertype=' + this.getOwnertype() + "&ownerid=" + this.getOwnerid();
            // requestBody参数
            let requestBody = [];
            if (files) {
                requestBody = files;
            }
            // 发送post请求
            Axios.post(updateUrl, requestBody, {
                headers: {
                    "Content-Type": "application/json;charset=UTF-8"
                },
                timeout: 2000
            }).then((response: any) => {
                if (!response || response.status != 200) {
                    Message.error(_this.$t('components.diskFileUpload.updateFailure') + '!');
                    return;
                }
            }).catch((error: any) => {
                Message.error(_this.$t('components.diskFileUpload.updateFailure') + ':' + error);
            });
        }
    }
</script>
<style lang="less">
    #file-upload {
        width: auto;
        height: auto;
        border: 0px solid black;
    }

    #el-row {
        border: 0px solid red;
        width: 400px;
    }

    .withDrag {
        border: 0px solid grey;
        width: 400px;
    }

    .withoutDrag {
        border: 0px solid grey;
        width: 400px;
        text-align: left;
        padding-left: 0px;
        padding-top: 0px;
        margin-top: 0px;
    }

    .fileList {
        width: 400px;
        border: 0px solid grey;
        margin-top: 0px;
    }

    .fileTitle {
        text-align: left;
        margin-left: 0px;
    }

    .fileTitle i {
        margin-right: 5px;
    }

    .fileMain {
        text-align: left;
        margin-left: 0px;
        margin-top: -10px;
    }

    .fileMain .el-link:nth-child(n+2) {
        margin-left: 10px;
    }

    .dialogDiv {
        // el-dialog头部
        .el-dialog__header {
            height: 40px;
        }

        // el-dialog面板
        .el-dialog__wrapper {
            height: 90vh;
            overflow: visible;
        }

        // el-dialog
        .el-dialog {
            height: 100%;
        }

        // el-dailog内容
        .el-dialog__body {
            height: inherit;
        }

        #fileIframe {
            height: calc(100% - 40px);
        }
    }

</style>