thymeleafでのjs値の取得

  ：    th:inline="javascript"        。

function changebasic() {
   var introduce = [[${basicInfo.introduce}]];
   var idiograph = [[${basicInfo.idiograph}]];
   var topicname = [[${basicInfo.topicname}]];
   var json={};
   json.topicname=topicname;
   json.idiograph=idiograph;
   json.introduce=introduce;
   alert(JSON.stringify(json));
}