printDialog.vue
2.75 KB
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<template>
<el-dialog
title="打印"
:visible.sync="visible"
width="500px"
append-to-body
@close="$emit('update:showP', false)"
>
<el-button
size="mini"
type="primary"
icon="el-icon-printer"
@click="print"
class="pull-right"
>打印
</el-button>
<div ref="print">
<table v-for="(item,key) in tableData"
border="1"
cellpadding="8"
class="table"
>
<tr>
<th>
物料编码
</th>
<th colspan="2">
{{item.code}}
</th>
</tr>
<tr>
<th>
物料类别
</th>
<th>
{{item.type}}
</th>
<th rowspan="3">
<el-image>
<div :id="'qrcode'+key" ref="qrcode"></div>
</el-image>
</th>
</tr>
<tr>
<th>
物料名称
</th>
<th>
{{item.type}}
</th>
</tr>
<tr>
<th>
物料规格
</th>
<th>
{{item.spec}}
</th>
</tr>
</table>
</div>
</el-dialog>
</template>
<script>
import html2canvas from 'html2canvas'
export default {
name: 'printDialog',
props: {
tableData: {
type:Array,
defaults:[]
},
showP: {
type: Boolean,
defaults: false
}
},
watch: {
showP() {
this.visible = this.showP
this.qrcode()
}
},
data(){
return {
visible: this.showP,
gqrcode: ''
}
},
mounted() {
this.$nextTick(()=>console.log(this.$refs.qrcode))
},
methods: {
print()
{
const timer = setTimeout(() => {
html2canvas(this.$refs.print, {
allowTaint: false,
taintTest: true,
useCORS: true,
windowHeight: document.body.scrollHeight,
background: '#fff'
}).then(canvas => {
const url = canvas.toDataURL('image/jpeg', 1.0)
const myimg = document.createElement('img')
myimg.src = url
this.$print(myimg)
})
})
}
,
qrcode() {
this.$nextTick(()=> {
// console.log(this.$refs.qrcode)
this.tableData.forEach((item, index) => {
console.log(index)
let qr = new QRCode('qrcode' + index, {
width: 100,
height: 100, // 高度
render: 'canvas',
text: item.code + '/' + item.name + '/' + item.spec,
correctLevel: QRcode.CorrectLevel.L
})
console.log(1)
console.log(qr)
})
})
}
},
}
</script>
<style scoped>
.table {
}
</style>