React+antd table中的每列内容换行

const leadsDetails = this.props.leadsDetails;
const audits = JSON.stringify(leadsDetails) !== ‘[]‘ ? leadsDetails.audits : [];

const auditsColumns = [
{
title: ‘创建时间‘,
dataIndex: ‘created_at‘,
key: ‘created_at‘,
},
{
title: ‘用户‘,
dataIndex: ‘user‘,
key: ‘user‘,
},
{
title: ‘内容‘,
dataIndex: ‘content‘,
key: ‘content‘,
render: (text, record) =>{
let contentStr;
let br=<br></br>;
let result=null;
for(let i=0;i<audits.length;i++){
let contentStr=audits[i].content;
contentStr=text.toString().split(",");
if(contentStr.length<2){
return text;
}
for(let j=0;j<contentStr.length;j++){
if(j==0){
result=contentStr[j];
}else{
result=<span>{result}{br}{contentStr[j]}</span>;
}
}
return <div>{result}</div>;
}
},
},