index.vue
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<template>
<div>
<back-box>
<template slot="title">
<span>数据同步</span>
</template>
</back-box>
<div class="page-content">
<div class="down-item">
<p class="h-title">从U盘导入</p>
<p class="txt">
本功能帮助无法上网的授课端软件，将本地数据同步到云平台，需要先在数据包放到U盘。
</p>
<el-upload
class="upload-demo"
ref="upload"
:action="url"
:multiple="false"
:with-credentials="true"
:limit="1"
:on-change="change"
:on-success="upSuccess"
:on-error="upError"
>
<div class="btn-box">
<i class="fa fa-cloud-upload"></i>
<el-button type="primary" round>选择文件</el-button>
</div>
</el-upload>
</div>
<div class="down-item">
<p class="h-title">数据导出至U盘</p>
<p class="txt">
本功能将云平台的数据导出到U盘。待导出数据包括4套答题卡。
</p>
<div class="btn-box btn-box2" v-loading="downLoading">
<i class="fa fa-cloud-download" @click="downloadFile"></i>
<el-button type="primary" round @click="downloadFile"
>文件下载</el-button
>
</div>
</div>
</div>
</div>
</template>
<script>
import { downloadFile } from "@/utils";
export default {
data() {
return {
downLoading: false,
// url: "/api_html/teaching/importData",
url: "",
file: {},
};
},
methods: {
async downloadFile() {
if (this.downLoading) return;
this.downLoading = true;
const data = await this.$request.exportData();
this.downLoading = false;
console.log(data)
if (data) {
let blob = new Blob([data], {type: 'application/octet-stream'})
const url = URL.createObjectURL(blob);
const link = document.createElement("a");
document.body.appendChild(link);
link.download = "文件.json";
link.href = url;
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
} else {
this.$message.error("下载失败，请重试");
}
},
async submitUpload() {
this.$refs.upload.submit();
// const formData = new FormData()
// formData.append('id',this.componentId)
// formData.append('file',new File(this.file.raw))
// let {status,info} = await uploadExcel(formData);
// if(status===0){
// this.$message.success(info);
// this.$emit("upSuccess")
// } else {
// this.$message.error(info);
// }
},
upSuccess(res) {
if (res && res.code == 0 && res.success) {
this.$message.success("上传成功");
this.$emit("upSuccess");
} else {
this.$message.error(res.message);
}
},
upError(res) {
if (res && res.status == 0) {
this.$message.success("上传成功");
this.$emit("upSuccess");
} else {
this.$message.error(res.message);
}
},
change(file) {
this.file = file;
},
},
};
</script>
<style lang="scss" scoped>
.page-content {
padding: 50px;
display: flex;
justify-content: center;
.down-item {
width: 400px;
border-radius: 20px;
margin: 20px;
background: #f8f8f8;
box-shadow: 2px 2px 5px #ccc;
.h-title {
font-size: 16px;
color: #667ffd;
padding: 16px 0 16px 12px;
}
.txt {
height: 80px;
padding: 0 20px;
font-size: 16px;
color: #7f7f7f;
line-height: 24px;
text-align: center;
}
}
.upload-demo {
display: flex;
justify-content: center;
}
:deep(.el-upload) {
margin: 0 auto;
}
.btn-box {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
padding-bottom: 40px;
.fa {
font-size: 80px;
color: #aeaeae;
padding-bottom: 10px;
cursor: pointer;
}
}
.btn-box {
width: 100%;
}
}
</style>