datatables 从嵌套的json数据获取表格数据列

Ajax---------------
从嵌套的json数据获取表格数据列
$(document).ready(function() {
    $('#example').dataTable( {
        "processing": true,
        "ajax": "data/objects_deep.txt",
        "columns": [
            { "data": "name" },
            { "data": "hr.position" },
            { "data": "contact.0" },
            { "data": "contact.1" },
            { "data": "hr.start_date" },
            { "data": "hr.salary" }
        ]
    } );
} );
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{
  "data": [
    {
      "name": "Tiger Nixon",
      "hr": {
        "position": "System Architect",
        "salary": "$320,800",
        "start_date": "2011/04/25"
      },
      "contact": [
        "Edinburgh",
        "5421"
      ]
    },
    {
      "name": "Garrett Winters",
      "hr": {
        "position": "Accountant",
        "salary": "$170,750",
        "start_date": "2011/07/25"
      },
      "contact": [
        "Tokyo",
        "8422"
      ]
    }]
 }



 从嵌套的数组获取数据
 $(document).ready(function() {
    $('#example').dataTable( {
        "ajax": "data/objects_subarrays.txt",
        "columns": [
            { "data": "name[, ]" },
            { "data": "hr.0" },
            { "data": "office" },
            { "data": "extn" },
            { "data": "hr.2" },
            { "data": "hr.1" }
        ]
    } );
} );

 {
    "name": [
        "Nixon",
        "Tiger"
    ],
    "hr": [
        "System Architect",
        "$3,120",
        "2011/04/25"
    ],
    "office": "Edinburgh",
    "extn": "5421"
}
//Name列是从一个包含两个元素的name数组里获取的，展示时数组中的元素会自动被串联起来，name[,]括号里面的分隔符会被用做连接数组元素的连接符。
//下面的hr.1 hr.2直接通过数组下标获取单独的数组元素。