springboot属性注入转化为对象

@Value("#{ T(com.alibaba.fastjson.JSON).parseObject('${train.purchase}')}")
private Map<String, String> purchaseMap;

@Value("#{ T(com.alibaba.fastjson.JSON).parseObject('${train.purchase}')}")
private Map<String, String> map;

return JSON.parseObject(supplier, new TypeReference<LinkedHashMap<String, String>>(){});

public class DtoEditor extends PropertyEditorSupport {

    @Override
    public void setAsText(String text) throws IllegalArgumentException {
        String[] str = text.split(",");
        User user = new User();
        user.setName(str[0]);
        user.setValue(str[1]);
        setValue(user);
    }

    @Override
    public String getAsText() {
        return null;
    }
}