jquery layui 傳遞json格式到後臺

jQuery 方式：

  postdata.push({
                        "RoleId": Id,
                        "FuncId": _funcId,
                        "FuncCode": funccode,
                        "FuncType": $(this).val(),
                        "DeptIds":$(this).val() !== 2 && $(this).val() !=="2"?0:$("input[name=modeIds_" + _funcId + "]").val(),
                        "ModeId": modeId
                        
                    });

$.post('/System/Role/AllotFuncPermssion', { rolePermissions: postdata}, function (res)
                {
                    layer.msg("操做成功！");
                });