com.google.gson.internal.LinkedTreeMap cannot be cast to entity
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问题:
后台报错: com.google.gson.internal.LinkedTreeMap cannot be cast to com.xie.Teacher
原因json转list的时候类型没写正确
解决办法:
import com.google.gson.reflect.TypeToken;import java.lang.reflect.Type;Type listType = new TypeToken<List<Teacher>>() {}.getType(); List<Teacher> list=JsonUtil.fromJson(jsonStr, listType); for(int i=0;i<list.size();i++){ System.out.println(list.get(i).getName()); } String jsonResult=JsonUtil.toJson(""); return jsonResult;
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