下拉框json格式获取

(function(){
var opts = createOptions(); //创建指定类对象
  println("opts"+opts);
opts.add("A","A");
opts.add("B","B");
opts.add("C","C");
var optsJsonsStr = opts.toJSON();   //返回格式{'A': 'A','B': 'B','C': 'C'}
var optsJsons = opts.toJsonSuggest();  //返回格式[{"name":"A","id":"A"},{"name":"B","id":"B"},{"name":"C","id":"C"}]
return optsJsonsStr;
})()