printDialog.vue
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<template>
<el-dialog
title="打印"
:visible.sync="visible"
width="500px"
append-to-body
@close="$emit('update:showP', false)"
>
<el-button
size="mini"
type="primary"
icon="el-icon-printer"
@click="print"
class="pull-right"
>打印
</el-button>
<div ref="print" style="margin-top:40%">
<div v-for="item in tableData">
<div class="barcode">
<el-row :gutter="10">
<el-col>
<barcode :value="item.code" width="1" />
</el-col>
<el-col>
<barcode :value="item.code" width="1" />
</el-col>
</el-row>
</div>
</div>
</div>
</el-dialog>
</template>
<script>
import html2canvas from 'html2canvas'
import VueBarcode from 'vue-barcode';
export default {
name: 'printDialog',
props: {
tableData: {
type: Array,
defaults: []
},
showP: {
type: Boolean,
defaults: false
}
},
components: {
'barcode': VueBarcode
},
watch: {
showP() {
this.visible = this.showP
}
},
data() {
return {
visible: this.showP
}
},
methods: {
print() {
const timer = setTimeout(() => {
html2canvas(this.$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)
})
})
}
}
}
</script>
<style scoped>
.barcode {
transform: rotate(90deg);
}
</style>