数组内的JSON Object数组在javascript中查找和替换

Question

我有一个像这样的JSON对象:

var myObject = [    
{
    "Name" : "app1",
    "id" : "1",
    "groups" : [
        { "id" : "test1", 
          "name" : "test group 1", 
          "desc" : "this is a test group"
         },
        { "id" : "test2",
          "name" : "test group 2",
          "desc" : "this is another test group"
         }
    ]
},
{
    "Name" : "app2",
    "id" : "2",
    "groups" : [
        { "id" : "test3", 
          "name" : "test group 4", 
          "desc" : "this is a test group"
         },
        { "id" : "test4",
          "name" : "test group 4",
          "desc" : "this is another test group"
         }
    ]
},
 {
    "Name" : "app3",
    "id" : "3",
    "groups" : [
        { "id" : "test5", 
          "name" : "test group 5", 
          "desc" : "this is a test group"
         },
        { "id" : "test6",
          "name" : "test group 6",
          "desc" : "this is another test group"
         }
    ]
}

];

我为特定的"id"提供了"name"的新值.如何在任何对象中替换特定"id"的"名称"？

以及如何计算所有对象中的组总数？

例如:为id ="test1"将名称替换为"test grp45"

这是小提琴 http://jsfiddle.net/qLTB7/21/

Answer 1

以下函数将搜索对象及其所有子对象/数组,并使用新值替换该键.它将全球适用,因此在第一次更换后不会停止.取消注释注释行以使其成为那样.

function findAndReplace(object, value, replacevalue) {
  for (var x in object) {
    if (object.hasOwnProperty(x)) {
      if (typeof object[x] == 'object') {
        findAndReplace(object[x], value, replacevalue);
      }
      if (object[x] == value) { 
        object["name"] = replacevalue;
        // break; // uncomment to stop after first replacement
      }
    }
  }
}

工作jsfiddle:http://jsfiddle.net/qLTB7/28/