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<template>
<div :class="{ ['app-image-select']: true, ['app-image-select--has-picture']: fileList.length > 0, ['is-disabled']: disabled }">
<el-upload
action="#"
ref="imgupload"
:disabled="disabled"
list-type="picture-card"
:on-preview="() => this.handlePictureCardPreview()"
:auto-upload="false"
:on-change="uploading"
:multiple="multiple"
:limit="1"
:file-list="fileList"
>
<div slot="file" class="app-image-select__content" slot-scope="{ file }">
<div v-if="!svg" class="content__img">
<img :src="dialogImageUrl" alt="" />
</div>
<div v-else v-html="svg" class="content__svg" />
<span class="content__action">
<span class="content__action__preview" @click="handlePictureCardPreview(file)">
<i class="el-icon-zoom-in"></i>
</span>
<span v-if="!disabled" class="content__action__delete" @click="removeFile(file)">
<i class="el-icon-delete"></i>
</span>
</span>
</div>
<i class="el-icon-plus"></i>
</el-upload>
<el-dialog :visible.sync="dialogVisible" :modal-append-to-body="false" class="app-image-select__dialog-model">
<div v-if="!svg" class="dialog-model__image__img">
<img :src="dialogImageUrl" alt="" />
</div>
<div v-else v-html="svg" class="dialog-model__image__svg" />
</el-dialog>
</div>
</template>
<script lang="ts">
import { component } from 'node_modules/vue/types/umd';
import { Vue, Watch, Component, Prop, Model, Emit } from 'vue-property-decorator';
@Component({})
export default class AppImageSelect extends Vue {
/**
* 编辑器值
* @type {any}
* @memberof AppImageSelect
*/
@Model('change') readonly value?: any;
/**
* 表单项名称
* @type {String}
* @memberof AppImageSelect
*/
@Prop() public name?: string;
/**
* 是否多选
* @type {boolean}
* @memberof AppImageSelect
*/
@Prop() public multiple?: boolean;
/**
* 是否禁用
* @type {boolean}
* @memberof AppImageSelect
*/
@Prop() public disabled?: boolean;
/**
* 监听值变化
*
* @memberof AppImageSelect
*/
@Watch('value')
onValueChange(newVal: any, oldVal: any) {
if (newVal) {
const reg = /^(data:image)|(.(bmp|jpg|jpeg|png|tif|gif|pcx|tga|exif|fpx|svg|psd|cdr|pcd|dxf|ufo|eps|ai|raw|WMF|webp))$/;
if (reg.test(newVal)) {
this.dialogImageUrl = newVal;
this.svg = '';
} else {
this.svg = newVal;
}
this.fileList.push({ url: newVal });
}
}
/**
* 图片文件列表
* @type {*}
* @memberof AppImageSelect
*/
fileList: any = [];
/**
* 对话框绑定值
* @type {boolean}
* @memberof AppImageSelect
*/
dialogVisible: boolean = false;
/**
* img图片地址
* @type {*}
* @memberof AppImageSelect
*/
dialogImageUrl: any = '';
/**
* svg图片内容
* @type {string}
* @memberof AppImageSelect
*/
svg:string = '';
/**
* 打开图片预览
*
* @memberof AppImageSelect
*/
handlePictureCardPreview() {
this.dialogVisible = true;
}
/**
* 图片上传
*
* @memberof AppImageSelect
*/
uploading(file: any, fileList: any) {
const reg = /(.png|.jpg|.jpeg|.svg)$/;
if (reg.test(file.name)) {
const svg = /.svg$/;
const reader = new FileReader();
if (svg.test(file.name)) {
reader.readAsText(file.raw); //读取文件
reader.onload = (evt: any) => {
//读取完文件之后会回来这里
const fileString = evt.target.result; // 读取文件内容
this.emitChangeEvent({
name: this.name,
value: fileString,
});
};
} else {
reader.readAsDataURL(file.raw);
reader.onload = (evt: any) => {
const fileString: string = evt.target.result;
this.emitChangeEvent({
name: this.name,
value: fileString,
});
};
}
} else {
this.$throw(this.$t('components.appfileupload.filetypeerrortitle'))
}
}
/**
* 图片删除
*
* @memberof AppImageSelect
*/
removeFile() {
this.fileList.splice(0, 1);
this.emitChangeEvent({
name: this.name,
value: null,
});
}
/**
* 触发change事件
*
* @param {*} data
* @memberof AppImageSelect
*/
emitChangeEvent(data: any) {
this.$emit('formitemvaluechange', data);
}
}
</script>