[{{each data.data as tr}}
    {{title='',address='',content='',id=''}}
    {{each columns as column}}
    {{if column.mappingField == 'titlecolumn'}}
    {{'',title +=tr.items[column.id].value}}
    {{else if column.mappingField == 'addresscolumn'}}
    {{'',address +=tr.items[column.id].value}}
    {{else if column.mappingField == 'detailcolumn'}}
    {{'',content +=tr.items[column.id].value}}
    {{else}}
    {{'',content +=tr.items[column.id].value}}
    {{/if}}
    {{/each}}
    {"id":"{{tr.id}}","title":"{{title}}","address":"{{address}}","content":"{{content}}"},
{{/each}}]