原数据格式
varjsonData = eval('[{"id":"4","pid":"1","name":"大家电"}, {"id":"5","pid":"1","name":"生活电器"}, {"id":"1","pid":"0","name":"家用电器"}, {"id":"2","pid":"0","name":"服饰"}, {"id":"3","pid":"0","name":"化妆"}, {"id":"7","pid":"4","name":"空调"}, {"id":"8","pid":"4","name":"冰箱"}, {"id":"9","pid":"4","name":"洗衣机"}, {"id":"10","pid":"4","name":"热水器"}, {"id":"11","pid":"3","name":"面部护理"}, {"id":"12","pid":"3","name":"口腔护理"}, {"id":"13","pid":"2","name":"男装"}, {"id":"14","pid":"2","name":"女装"}, {"id":"15","pid":"7","name":"海尔空调"}, {"id":"16","pid":"7","name":"美的空调"}, {"id":"19","pid":"5","name":"加湿器"}, {"id":"20","pid":"5","name":"电熨斗"} ]');
定义js方法：
function transData(a, idStr, pidStr, chindrenStr){
varr = [], hash = {}, id = idStr, pid = pidStr, children = chindrenStr, i = 0, j = 0, len = a.length;
for(; i < len; i++){
hash[a[i][id]] = a[i];
}
for(; j < len; j++){
varaVal = a[j], hashVP = hash[aVal[pid]];
if(hashVP){
!hashVP[children] && (hashVP[children] = []);
hashVP[children].push(aVal);
}else{
r.push(aVal);
}
}
return r;
}
调用js方法及转换的数据格式
varjsonDataTree = transData(jsonData, 'id', 'pid', 'chindren');
