计算一个json的深度

计算一个json的深度

  <SCRIPT LANGUAGE="JavaScript">
     var json1 = "{'name':'t1','children':[{'children':[{'name':'t3'},{'name':'t4'},{'children':[{'name':'t5'},{'name':'t6'}]}]},{'name':'t2'}]}";
     var json2 ={
   "cluster": [{
      "id": "cluster1.1",
      "color": "blue",
      "flights": "784",
      "profit": "524125",
      "clv": "2364",
      "segment": [{
         "id": "segment1.1",
         "color": "green",
         "flights": "82",
         "profit": "22150",
         "clv": "1564",
         "node": [{
            "id": "node1.1",
            "color": "orange",
            "xpos": "1",
            "ypos": "1"
         }, {
            "id": "node1.2",
            "color": "orange",
            "xpos": "1",
            "ypos": "2"
         }, {
            "id": "node1.3",
            "color": "orange",
            "xpos": "1",
            "ypos": "3"
         }, {
            "id": "node1.4",
            "color": "orange",
            "xpos": "1",
            "ypos": "4"
         }]
      }, {
         "id": "segment1.2",
         "color": "red",
         "flights": "2",
         "profit": "2150",
         "clv": "1564",
         "node": [{
            "id": "node2.1",
            "color": "tan",
            "xpos": "2",
            "ypos": "1"
         }, {
            "id": "node2.2",
            "color": "tan",
            "xpos": "2",
            "ypos": "2"
         }, {
            "id": "node2.3",
            "color": "tan",
            "xpos": "2",
            "ypos": "3"
         }, {
            "id": "node2.4",
            "color": "tan",
            "xpos": "2",
            "ypos": "4"
         }]
      }]
   }, {
      "id": "cluster1.2",
      "flights": "4",
      "profit": "5245",
      "clv": "2364",
      "segment": [{
         "id": "segment1.2",
         "flights": "2",
         "profit": "2150",
         "clv": "1564",
         "node": [{
            "id": "node3.1",
            "xpos": "3",
            "ypos": "1"
         }, {
            "id": "node3.2",
            "xpos": "3",
            "ypos": "2"
         }, {
            "id": "node3.3",
            "xpos": "3",
            "ypos": "3"
         }, {
            "id": "node3.4",
            "xpos": "3",
            "ypos": "4"
         }]
      }]
   }, {
      "id": "cluster1.3",
      "flights": "10",
      "profit": "456978",
      "clv": "548",
      "segment": [{
         "id": "segment1.3",
         "flights": "2",
         "profit": "2150",
         "clv": "1564",
         "node": [{
            "id": "node4.1",
            "xpos": "4",
            "ypos": "1"
         }, {
            "id": "node4.2",
            "xpos": "4",
            "ypos": "2"
         }, {
            "id": "node4.3",
            "xpos": "4",
            "ypos": "3"
         }, {
            "id": "node4.4",
            "xpos": "4",
            "ypos": "4"
         }]
      }]
   }]
};

jsonDepper(json2);


function jsonDepper(json){
    var array = {'{':1,'}':-1},max=0,count=0;
    json = JSON.stringify(json);
     for (var i = 0, length = json.length; i < length; i++) {
         var result = array[json.charAt(i)];
         if (!result) continue;
             count+=result;
         if (count>max) {
             max = count;
         }
     }
     if (count != 0) {
         alert('json format error!');
     } else {
         alert('max:'+max);
     }
}

  </SCRIPT>