今天使用lodop打印el-table表格,发现只显示表头,而且显示的还不规范,于是一直在测试,最后想到把要打印元素转化为图片就不会造成无法正确显示内容了
1,引入插件
npm install html2canvas --save
2,引入插件后把转化的图片URL放入lodop就好了
<template>
<div id="app" ref="app">
<el-table :data="tableData" style="width: 100%">
<el-table-column prop="date" label="日期" width="180">
</el-table-column>
<el-table-column prop="name" label="姓名" width="180">
</el-table-column>
<el-table-column prop="address" label="地址">
</el-table-column>
</el-table>
<el-button type="primary" @click="print">打印</el-button>
</div>
</template>
<script>
import html2canvas from 'html2canvas'
import { getLodop } from './utils/LodopFuncs';
export default {
name: 'App',
data() {
return {
img: '',
tableData: [{
date: '2016-05-02',
name: '王小虎',
address: '上海市普陀区金沙江路 1518 弄'
}, {
date: '2016-05-04',
name: '王小虎',
address: '上海市普陀区金沙江路 1517 弄'
}, {
date: '2016-05-01',
name: '王小虎',
address: '上海市普陀区金沙江路 1519 弄'
}, {
date: '2016-05-03',
name: '王小虎',
address: '上海市普陀区金沙江路 1516 弄'
}]
}
},
methods: {
print() {
html2canvas(this.$refs.app, {
backgroundColor: null,
useCORS: true,
windowHeight: document.body.scrollHeight
}).then((canvas) => {
const url = canvas.toDataURL()
this.img = url
var iRadioValue = 1;
let LODOP = getLodop();
LODOP.SET_PRINT_PAGESIZE(1, 0, 0, "A4");
LODOP.PRINT_INIT("打印控件功能演示_Lodop功能_预览打印表格");
LODOP.ADD_PRINT_IMAGE(10, 5, '100%', '100%', url);
LODOP.SET_PRINT_STYLEA(0, "TableHeightScope", iRadioValue);
LODOP.PREVIEW();
})
}
}
}
</script>
<style>
#app {
font-family: Avenir, Helvetica, Arial, sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-align: center;
color: #2c3e50;
margin-top: 60px;
}
</style>