需要迭代到下一個關鍵每次回調被調用,像這樣:
function get_first_keys(data, keys)
{
var ki = Object.keys(data);
for (var i = keys[0]; i < ki.length; ++i)
{
var kj = Object.keys(data[ki[i]]);
for (var j = keys[1]; j < kj.length; ++j)
{
var kk = Object.keys(data[ki[i]][kj[j]]);
for (var k = keys[2]; k < kk.length; ++k)
{
return [i, j, k];
}
}
}
}
function get_next_keys(data, keys)
{
var i = keys[0];
var j = keys[1];
var k = keys[2];
var ki = Object.keys(data);
var kj = Object.keys(data[ki[i]]);
var kk = Object.keys(data[ki[i]][kj[j]]);
if (k + 1 < kk.length)
return [i, j, k + 1];
if (j + 1 < kj.length)
return get_first_keys(data, [i, j+1, 0]);
if (i + 1 < ki.length)
return get_first_keys(data, [i+1, 0, 0]);
return;
}
var current_keys = get_first_keys(data, [0, 0, 0]);
function insert()
{
if (!current_keys)
return;
key = {};
key.i = Object.keys(data)[current_keys[0]];
key.j = Object.keys(data[key.i])[current_keys[1]];
key.k = Object.keys(data[key.j])[current_keys[2]];
db.data.insert(key, insert);
current_keys = get_next_keys(data, current_keys);
}
insert();
這個工作非常正確的開箱即用。謝謝! – Eliss 2011-06-15 05:15:12