新增join方法:
function _join(arr,sp,str){
if(!arr || arr.length<=0)return '';
var res = '';
if(!sp)sp = ',';
if(str) res = '\''+arr[0]+'\'';
else res = arr[0];
for(var _i=1;_i<arr.length;_i++){
if(str)
res += sp +'\''+arr[_i]+'\'';
else
res += sp +arr[_i];
}
return res;
}
使用如下:
1.risun.Utils.join(['1','2','3','4']) 返回:"1,2,3,4"
2.risun.Utils.join(['1','2','3','4'],';')返回:"1;2;3;4"
3.risun.Utils.join(['1','2','3','4'],',',true) 返回:"'1','2','3','4'"