let arrStr = '{"2元": "200", "3元": "300"}';
  let arr = [];
  
  for(let i in JSON.parse(arrStr)){
   	arr.push({ [i] :JSON.parse(arrStr)[i]})
  }
  },

      var optionlist = []
        /**var valueData = list[i].valueData; */
        
        var obj = {"1元":"100";"2元":"200";"4元":"400"}
        for (let i in obj) {
            var k = {};
            k[i] = valueData[i];
            optionlist.push(k);
        }

        console.log(optionlist);
        __data__.valueOptions = optionlist;

笔记