先上报错代码
- String resultStr = "";
- Map<String, Object> map = new HashMap<String, Object>();
- map.put("pageIndex", 1);
- map.put("pageSize", 2);
- map.put("title", content);
- PageInfo<Article> articleList = articleService.query(map); // 查询列表
- if (articleList.getList().size() == 0) {
- String str = "回答内容不超过200字" + content;
- if (wordService.getWord(str) != null) {
- resultStr = wordService.getWord(str);
- }
- } else {
- List<Article> list = articleList.getList();
- logger.info(list);
- // 这里报错 java.util.HashMap cannot be cast to com.XXX.XXX
- for (Article article : list) {
- Article art = articleService.find(article.getId());
- resultStr = art.getContent();
- }
- }
service层代码
- import java.util.Map;
-
- public interface ArticleService {
-
- // 分页查询
- PageInfo<Article> query(Map<String, Object> paramMap);
-
- }
问题原因处在mybatis
问题代码
-
- <!-- 获取文章列表 这里不获取content 内容太多 -->
- <select id="query" parameterType="java.util.Map" resultType="com.hi.hailiaowenan.affair.bean.Article">
- select id, title, description, images,
- create_time as createTime, update_time as updateTime
- from
- <include refid="table_name"></include>
- </select>
一开始我是用resultType="java.util.Map"作为返回类型
<select id="query" parameterType="java.util.Map" resultType="java.util.Map">
所以报错,要改成自己的类
-
- <!-- 获取文章列表 这里不获取content 内容太多 -->
- <select id="query" parameterType="java.util.Map" resultType="com.hi.hailiaowenan.affair.bean.Article">
- select id, title, description, images,
- create_time as createTime, update_time as updateTime
- from
- <include refid="table_name"></include>
- </trim>
- </select>