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<template>
<div id="image-upload">
<el-upload
ref="imageUpload"
multiple
:file-list="imageList"
list-type="picture-card"
:action="getAction()"
:headers="myHeaders"
:before-upload="beforeUpload"
:http-request="customImageUpload">
<i class="el-icon-plus"></i>
<div slot="file" slot-scope="{file,index}">
<img class="el-upload-list__item-thumbnail" :src="file.url">
<span class="el-upload-list__item-actions">
<!--预览按钮-->
<span class="el-upload-list__item-preview" @click="onPreview(file)"
:title="$t('components.diskImageUpload.preview')"
v-show="showPreview">
<i class="el-icon-view"></i>
</span>
<!--OCR按钮-->
<span class="el-upload-list__item-delete" @click="onOcr(file)"
:title="$t('components.diskImageUpload.OCRdiscern')"
v-show="showOcrview && (file.name.match(/^.+\.(gif|GIF|jpg|JPG|jpeg|JPEG|png|PNG|bmp|BMP)$/))">
<i class="el-icon-camera"></i>
</span>
<!--下载按钮-->
<span class="el-upload-list__item-delete" @click="onDownload(file)"
:title="$t('components.diskImageUpload.load')">
<i class="el-icon-download"></i>
</span>
<!--删除按钮-->
<span class="el-upload-list__item-delete" @click="onRemove(file)"
:title="$t('components.diskImageUpload.delete')">
<i class="el-icon-delete"></i>
</span>
</span>
</div>
</el-upload>
<!-- 预览弹框 -->
<el-dialog :visible.sync="dialogVisible" :modal="false">
<img width="100%" :src="dialogImageUrl" alt="">
</el-dialog>
<!-- 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 {Message, MessageBox} from 'element-ui';
import Axios from 'axios';
import {Subject, Unsubscribable} from 'rxjs';
@Component({})
export default class DiskImageUplaod extends Vue {
/**
* 当前表单对象
*
* @type {*}
* @memberof DiskImageUplaod
*/
@Prop() public data!: any;
/**
* 当前属性名
*
* @type {string}
* @memberof DiskImageUplaod
*/
@Prop() public formItemName!: string;
/**
* 当前属性值
*
* @type {string}
* @memberof DiskImageUplaod
*/
@Prop() public value!: string;
/**
* 当前表单状态
*
* @type {*}
* @memberof DiskImageUplaod
*/
@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 DiskImageUplaod
*/
@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 DiskImageUplaod
*/
@Prop() public ownerid!: string;
/**
* 默认为当前属性名,有指定则按表单参数
*
* @type {string}
* @memberof DiskImageUplaod
*/
@Prop() public ownertype!: string;
/**
* 持久化
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
@Prop({default: false}) public persistence?: boolean;
/**
* 是否显示预览按钮
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
@Prop({default: false}) public showPreview?: boolean;
/**
* 是否显示OCR按钮
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
@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 DiskImageUplaod
*/
public srfuf: string = '0';
/**
* 图片列表
*
* @type {Array<any>}
* @memberof DiskImageUplaod
*/
public imageList: Array<any> = [];
/**
* 当前登陆人的token
*
* @type {string}
* @memberof DiskImageUplaod
*/
public token: string = "Bearer " + localStorage.getItem('token');
/**
* 上传文件请求头
*
* @type {*}
* @memberof DiskImageUplaod
*/
public myHeaders: any = {Authorization: this.token};
/**
* 表单状态事件
*
* @type {*}
* @memberof DiskImageUplaod
*/
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 DiskImageUplaod
*/
public isUpdateBatch: boolean = true;
/**
* 新建状态标识,true为新建,false为编辑
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
public isCreate: boolean = true;
/**
* 预览弹出框显示标识,true显示,false隐藏
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
public dialogVisible: boolean = false;
/**
* 预览弹出框中的图片地址
*
* @type {string}
* @memberof DiskImageUplaod
*/
public dialogImageUrl: string = '';
/**
* 存放图片的fileid,用于图片列表定位
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
public imageFileids: Array<any> = [];
/**
* 自定义弹框标题
*
* @type {*}
* @memberof DiskImageUplaod
*/
public dialogTitle: any = '';
/**
* 是否显示自定义弹框
*
* @type {boolean}
* @memberof DiskImageUplaod
*/
public showDialog: boolean = false;
/**
* 嵌入自定义弹框中iframe的url
*
* @type {*}
* @memberof DiskImageUplaod
*/
public iframeUrl: any = '';
/**
* 关闭自定义弹框
*
* @memberof DiskImageUplaod
*/
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 DiskImageUplaod
*/
public getAction() {
return '/net-disk/upload/' + this.getFolder() + '?ownertype=' + this.getOwnertype() + '&ownerid=' + this.getOwnerid();
}
/**
* return folder
*
* @memberof DiskImageUplaod
*/
public getFolder() {
return typeof this.folder == "string" ? this.folder : JSON.stringify(this.folder);
}
/**
* return ownertype
*
* @memberof DiskImageUplaod
*/
public getOwnertype() {
return typeof this.ownertype == "string" ? this.ownertype : JSON.stringify(this.ownertype);
}
/**
* return ownerid
*
* @memberof DiskImageUplaod
*/
public getOwnerid() {
return typeof this.ownerid == "string" ? this.ownerid : JSON.stringify(this.ownerid);
}
/**
* vue创建
*
* @memberof DiskImageUplaod
*/
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,表单持久化
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.imageList.length == 0) {
const files = JSON.parse(data[this.formItemName]);
files.forEach((item: any, i: number) => {
// 图片列表显示缩略图需要获取真实的图片信息
if (item.id && item.name) {
this.getRealImageData(item);
}
});
}
} else {
// 发送get请求获取图片列表
this.getFiles();
}
}
// 表单保存完成
if (Object.is($event.type, 'save')) {
// 批量更新文件表中的ownerid
if (this.isUpdateBatch == true && this.imageList.length > 0) {
this.updateFileBatch(this.imageList);
}
}
});
}
/**
* 获取图片列表
*
* @memberof DiskImageUplaod
*/
public getFiles() {
// 拼接url
let _this: any = this;
const getUrl = '/net-disk/files/' + this.getFolder();
// 发送get请求
Axios.get(getUrl, {
params: {
ownertype: this.getOwnertype(),
ownerid: this.getOwnerid(),
},
}).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.getImageFailure') + "!");
return;
}
// 返回的是一个jsonArray
if (response.data) {
const files = JSON.parse(JSON.stringify(response.data));
if (this.imageList.length == 0) {
files.forEach((item: any, i: number) => {
// 图片列表显示缩略图需要获取真实的图片信息
if (item.id && item.name) {
this.getRealImageData(item);
}
});
}
}
}).catch((error: any) => {
Message.error(_this.$t('components.diskImageUpload.getImageFailure') + ':' + error);
});
}
/**
* 获取真实的图片信息
* @param file
* @memberof DiskImageUplaod
*/
public getRealImageData(file: any) {
let fileData = file;
let _this: any = this;
// 拼接url,与下载一致
const downloadUrl = '/net-disk/download/' + this.getFolder() + '/' + fileData.id + '/' + fileData.name;
// 发送get请求
Axios.get(downloadUrl, {
headers: {
'authcode': fileData.authcode
},
responseType: 'blob',
}).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure') + '!');
}
// 请求成功,后台返回的是一个文件流
if (response.data) {
// 用blob对象获取文件流
var 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);
// 将下载链接保存到图片中
fileData.url = href;
// 保存图片fileid
if (fileData.fileid) {
this.imageFileids.push(fileData.fileid);
} else if (fileData.id) {
this.imageFileids.push(fileData.id);
} else {
Message.error(_this.$t('components.diskImageUpload.ImageIdNone'));
return;
}
// 保存图片到图片列表进行显示
this.imageList.push(fileData);
} else {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure1'));
}
}).catch((error: any) => {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure') + ':' + error);
});
}
/**
* 上传之前
* @param file
* @memberof DiskImageUplaod
*/
public beforeUpload(file: any) {
// 支持上传的图片格式
let _this: any = this;
if (!file.name.match(/^.+\.(gif|GIF|jpg|JPG|jpeg|JPEG|png|PNG|bmp|BMP)$/)) {
Message.error(_this.$t('components.diskImageUpload.uploadImageFailure1'));
return false;
}
}
/**
* 自定义图片上传
* @param param
* @memberof DiskImageUplaod
*/
public customImageUpload(param: any) {
let _this: any = this;
// 上传的文件
let file = param.file;
// formData传参
let formData = new FormData();
formData.append('file', file);
// 拼接url
const uploadUrl = this.getAction();
// 发送post请求
Axios.post(uploadUrl, formData, {timeout: 2000}).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.uploadImageFailure') + "!");
}
// 返回的是一个jsonobject
if (response.data) {
let returnData = response.data;
// 拼接缩略图下载url
const downloadUrl = '/net-disk/download/' + this.getFolder() + '/' + returnData.id + '/' + returnData.name;
// 发送get请求
Axios.get(downloadUrl, {
headers: {
'authcode': returnData.authcode
},
responseType: 'blob',
}).then((response2) => {
if (!response2 || response2.status != 200) {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure') + "!");
return;
}
// 请求成功,后台返回的是一个文件流
if (response2.data) {
// 用blob对象获取文件流
var blob = new Blob([response2.data], {type: response2.headers['content-type']});
// 通过文件流创建下载链接
var href = URL.createObjectURL(blob);
// 将下载链接保存到本次上传成功后返回的jsonobject中
returnData.url = href;
// 保存jsonobject中的图片fileid
if (returnData.fileid) {
this.imageFileids.push(returnData.fileid);
} else if (returnData.id) {
this.imageFileids.push(returnData.id);
} else {
Message.error(_this.$t('components.diskImageUpload.ImageIdNone'));
return;
}
// 保存jsonobject到图片列表进行显示
this.imageList.push(returnData);
// 新建表单上传时,后续需要批量更新操作
if (this.isCreate == true) {
this.isUpdateBatch = true;
}
// persistence=true时,需要持久化表单属性
if (this.persistence == true && this.imageList.length > 0) {
const value = JSON.stringify(this.imageList);
this.$emit('formitemvaluechange', {name: this.formItemName, value: value});
}
} else {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure1'));
}
}).catch((error2: any) => {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure') + ':' + error2);
});
}
}).catch((error: any) => {
Message.error(_this.$t('components.diskImageUpload.uploadImageFailure') + ':' + error);
});
}
/**
* 预览
* @param file
* @memberof DiskImageUplaod
*/
public onPreview(file: any) {
let _this: any = this;
if (file.url) {
this.dialogImageUrl = file.url;
this.dialogVisible = true;
} else {
Message.error(_this.$t('components.diskImageUpload.notImageUrl'));
}
}
/**
* Ocr识别
* @param file
* @memberof DiskImageUplaod
*/
public onOcr(file: any) {
// 拼接url
const id = typeof file.id == "string" ? file.id : JSON.stringify(file.id);
const name = typeof file.name == "string" ? file.name : JSON.stringify(file.name);
const ocrUrl = '/net-disk/ocrview/' + this.getFolder() + '/' + id + '/' + name + '?authcode=' + file.authcode;
Axios.get(ocrUrl).then((response: any) => {
if (!response || response.status != 200) {
return;
}
// 返回一个url,通过自定义弹框打开
if (response.data) {
this.dialogTitle = name;
this.showDialog = true;
this.iframeUrl = response.data;
}
}).catch((error: any) => {
Message.error(error);
});
}
/**
* 下载
* @param file
* @memberof DiskImageUplaod
*/
public onDownload(file: any) {
// 拼接url
let _this: any = this;
const id = typeof file.id == "string" ? file.id : JSON.stringify(file.id);
const name = typeof file.name == "string" ? file.name : JSON.stringify(file.filename);
const downloadUrl = '/net-disk/download/' + this.getFolder() + '/' + id + '/' + name;
// 发送get请求
Axios.get(downloadUrl, {
headers: {
'authcode': file.authcode
},
responseType: 'blob',
}).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure2') + '!');
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
var 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
var 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();
// 下载完成,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.$t('components.diskImageUpload.loadImageFailure3'));
}
}).catch((error: any) => {
Message.error(_this.$t('components.diskImageUpload.loadImageFailure2') + ':' + error);
});
}
/**
* 删除
* @param file
* @memberof DiskImageUplaod
*/
public onRemove(file: any) {
let _this: any = this;
if (file) {
MessageBox.confirm(_this.$t('components.diskImageUpload.deleteFile'), _this.$t('components.diskImageUpload.deleteFilePrompt'), {
confirmButtonText: _this.$t('components.diskImageUpload.true'),
cancelButtonText: _this.$t('components.diskImageUpload.false'),
type: 'warning'
}).then(() => {
if (this.imageFileids.indexOf(file.id) != -1) {
// 要删除的图片在图片列表中的下标
const index = this.imageFileids.indexOf(file.id);
// 拼接url
const deleteUrl = '/net-disk/files/' + file.id;
// 发送delete请求
Axios.delete(deleteUrl).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.deleteImageFailure') + '!');
}
// 从fileid数组中删除
this.imageFileids.splice(index, 1);
// 从图片列表中删除
this.imageList.splice(index, 1);
// persistence=true,时需要持久化表单属性
if (this.persistence == true) {
const value = JSON.stringify(this.imageList);
this.$emit('formitemvaluechange', {name: this.formItemName, value: value});
}
}).catch((error: any) => {
// 提示删除失败
Message.error(_this.$t('components.diskImageUpload.deleteImageFailure') + ':' + error);
});
}
});
}
}
/**
* 批量更新文件表的ownerid
* @param files
* @memberof DiskImageUplaod
*/
public updateFileBatch(files: any) {
let _this: any = this;
// 拼接url
const updateUrl = '/net-disk/files/' + this.getFolder() + '?ownertype=' + this.getOwnertype() + "&ownerid=" + this.getOwnerid();
// requestBody参数
let requestBody = [];
if (files) {
requestBody = files;
}
// 发送post请求
Axios.post(updateUrl, requestBody, {
headers: {
"Content-Type": "application/json;charset=UTF-8"
},
timeout: 2000
}).then((response: any) => {
if (!response || response.status != 200) {
Message.error(_this.$t('components.diskImageUpload.updateFailure') + '!');
return;
}
}).catch((error: any) => {
Message.error(_this.$t('components.diskImageUpload.updateFailure') + ':' + error);
});
}
}
</script>
<style lang="scss">
.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;
}
// iframe
#fileIframe {
height: calc(100% - 40px);
}
}
</style>