javascript 递归调用

   1. var array = [{ 
   2.   name: '浙江省', 
   3.   leaf: 1, 
   4.   children: [{ 
   5.     name: '杭州市', 
   6.     leaf: 1, 
   7.     children: [{ 
   8.       name: '西湖区', 
   9.       leaf: 0, 
  10.       children: null 
  11.     }, 
  12.     { 
  13.       name: '萧山区', 
  14.       leaf: 0, 
  15.       children: '' 
  16.     }] 
  17.   }, 
  18.   { 
  19.     name: '温州市', 
  20.     leaf: 1, 
  21.     children: [{ 
  22.       name: '乐清市', 
  23.       leaf: 0, 
  24.       children: null 
  25.     }, 
  26.     { 
  27.       name: '苍南县', 
  28.       leaf: 0, 
  29.       children: '' 
  30.     }] 
  31.   }] 
  32. }]; 
  33. function getReionByRegionName(name, array) { 
  34.   var result = null; 
  35.   for (var i = 0; i < array.length; i++) { 
  36.     if (name == array[i].name) { 
  37.       result = array[i]; 
  38.       break; 
  39.     } else if (array[i].children != null && array[i].children != '') { 
  40.       result = getReionByRegionName(name, array[i].children); 
  41.       if (result != null) break; 
  42.     } 
  43.   } 
  44.   return result; 
  45. } 
  46. //console.log是firebug, Ext.encode是exjs的,我只是为了输出验证,你改为自己的. 
  47. console.log(Ext.encode(array)); 
  48. console.log(Ext.encode(getReionByRegionName('浙江省', array))); 
  49. console.log(Ext.encode(getReionByRegionName('杭州市', array))); 
  50. console.log(Ext.encode(getReionByRegionName('西湖区', array))); 
  51. console.log(Ext.encode(getReionByRegionName('萧山区', array))); 
  52. console.log(Ext.encode(getReionByRegionName('温州市', array))); 
  53. console.log(Ext.encode(getReionByRegionName('乐清市', array))); 
  54. console.log(Ext.encode(getReionByRegionName('苍南县', array))); 

var array = [{
  name: '浙江省',
  leaf: 1,
  children: [{
    name: '杭州市',
    leaf: 1,
    children: [{
      name: '西湖区',
      leaf: 0,
      children: null
    },
    {
      name: '萧山区',
      leaf: 0,
      children: ''
    }]
  },
  {
    name: '温州市',
    leaf: 1,
    children: [{
      name: '乐清市',
      leaf: 0,
      children: null
    },
    {
      name: '苍南县',
      leaf: 0,
      children: ''
    }]
  }]
}];
function getReionByRegionName(name, array) {
  var result = null;
  for (var i = 0; i < array.length; i++) {
    if (name == array[i].name) {
      result = array[i];
      break;
    } else if (array[i].children != null && array[i].children != '') {
      result = getReionByRegionName(name, array[i].children);
      if (result != null) break;
    }
  }
  return result;
}
//console.log是firebug, Ext.encode是exjs的,我只是为了输出验证,你改为自己的.
console.log(Ext.encode(array));
console.log(Ext.encode(getReionByRegionName('浙江省', array)));
console.log(Ext.encode(getReionByRegionName('杭州市', array)));
console.log(Ext.encode(getReionByRegionName('西湖区', array)));
console.log(Ext.encode(getReionByRegionName('萧山区', array)));
console.log(Ext.encode(getReionByRegionName('温州市', array)));
console.log(Ext.encode(getReionByRegionName('乐清市', array)));
console.log(Ext.encode(getReionByRegionName('苍南县', array)));



//firebug输出:
[{"name":" 浙江省","leaf":1,"children":[{"name":"杭州市","leaf":1,"children":[{"name":"西湖区","leaf":0,"children":null},{"name":"萧山区","leaf":0,"children":""}]}, {"name":"温州市","leaf":1,"children":[{"name":"乐清市","leaf":0,"children":null},{"name":"苍南县","leaf":0,"children":""}]}]}]

{"name":" 浙江省","leaf":1,"children":[{"name":"杭州市","leaf":1,"children":[{"name":"西湖区","leaf":0,"children":null},{"name":"萧山区","leaf":0,"children":""}]}, {"name":"温州市","leaf":1,"children":[{"name":"乐清市","leaf":0,"children":null},{"name":"苍南县","leaf":0,"children":""}]}]}

{"name":"杭州市","leaf":1,"children":[{"name":"西湖区","leaf":0,"children":null},{"name":"萧山区","leaf":0,"children":""}]}

{"name":"西湖区","leaf":0,"children":null}

{"name":"萧山区","leaf":0,"children":""}

{"name":"温州市","leaf":1,"children":[{"name":"乐清市","leaf":0,"children":null},{"name":"苍南县","leaf":0,"children":""}]}

{"name":"乐清市","leaf":0,"children":null}

{"name":"苍南县","leaf":0,"children":""}