类似于下面的代码(具体参考:http://docs.wex5.com/custom-action/):
biz.Request.sendBizRequest({
"directExecute" : true,
"context" : this.getContext(),
"action" : "setFilter",//后端action名
"parameters" : params,
"callback" : function(data) {
var ids = data.response;
var id = "";
for (var i = 0; i < ids.length; i++) {
var d = ids.value;