/**
*將此字串進行切割 資料新增到二維陣列內
var str = '1,2,3!4,5,6!7,8,9';
[[1,2,3],[4,5,6],[7,8,9]]
*/
var erWei = [] ;
    var str = '1,2,3!4,5,6!7,8,9';
    var arr = str.split('!');
    for(var i = 0;i<arr.length;i++){
        var yiWei = [];
        var m = arr[i].split(',');
        for(var j = 0;j<m.length;j++){
            console.log('====>'+m[j]);
            yiWei.push(m[j]);
        }
        erWei.push(yiWei);
    }
    console.log(erWei);