problem description
what should be written in the open callback? I can"t get index and row
if I write this.the environmental background of the problems and what methods you have tried
related codes
/ / Please paste the code text below (do not replace the code with pictures)
< template >
<el-button @click="centerDialogVisible = true;"></el-button>
<el-dialog
:visible.sync="centerDialogVisible"
center
width="40%"
@open="qrcode(scope.$index,scope.row)"
>
<el-table :data="sites">
<el-table-column>
<template slot-scope="scope">
<div :id="`qrcode${scope.$index}`" ref="qrcode">123</div>
<el-button @click="qrcode(scope.$index,scope.row)"></el-button>
</template>
</el-table-column>
<el-table-column label="" prop="name"></el-table-column>
</el-table>
</el-dialog> < / div >
< / template >
< script >
import QRCode from "qrcodejs2";
export default {
components: {},
data() {
return {
centerDialogVisible: false,
index: "",
row: "",
sites: [
{ name: "abc", age: 10 },
{ name: "qwe", age: 11 },
{ name: "asd", age: 12 }
]
};
},
created() {},
mounted() {},
methods: {
qrcode(index, row) {
let qrcode = new QRCode(`qrcode${index}`, {
width: 200, //
height: 200, //
text: row.age //
});
}
}};
< / script >
what result do you expect? What is the error message actually seen?
Feb.27,2022