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修正根据文章id查找username问题

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This commit is contained in:
sjm
2023-07-04 20:28:07 +08:00
parent 2389def075
commit 8a5428bec1
3 changed files with 22 additions and 9 deletions
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8
src/com/hellogithub/dao/articleDao.java
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@@ -104,9 +104,10 @@ public class articleDao {
articleEntity entity = null; articleEntity entity = null;
try{ try{
conn = JdbcUtils.getConnection(); conn = JdbcUtils.getConnection();
preparedStatement.setInt(1, id);
preparedStatement = conn.prepareStatement(sql); preparedStatement = conn.prepareStatement(sql);
rs = preparedStatement.executeQuery(); rs = preparedStatement.executeQuery();
preparedStatement.setInt(1, id);
while(rs.next()){ while(rs.next()){
int articleid = rs.getInt(1); int articleid = rs.getInt(1);
int userid = rs.getInt(2); int userid = rs.getInt(2);
@@ -122,8 +123,9 @@ public class articleDao {
entity.setReadCount(readcount); entity.setReadCount(readcount);
} }
return entity; return entity;
} catch (SQLException e) { } catch (Exception e) {
throw new RuntimeException(e); e.printStackTrace();
return entity;
} }
} }

15
src/com/hellogithub/service/articleService.java
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@@ -65,8 +65,19 @@ public class articleService {
return JSONObject.toJSONString(dataMap1); return JSONObject.toJSONString(dataMap1);
} }
public articleEntity selectByArticleId(int id){ public String selectByArticleId(int id){
return articleDao.selectByArticleId(id); Map<String,Object> dataMap = new HashMap<>();
articleEntity articleEntity = articleDao.selectByArticleId(id);
String username = userDao.selectNameById(id);
dataMap.put("ArticleContent",articleEntity.getArticleContent());
dataMap.put("ArticleId",articleEntity.getArticleId());
dataMap.put("ArticleTitle",articleEntity.getArticleTitle());
dataMap.put("IsValid",articleEntity.getIsValid());
dataMap.put("ReadCount",articleEntity.getReadCount());
dataMap.put("username",username);
dataMap.put("publishtime",articleEntity.getPublishTime());
dataMap.put("articleico",articleEntity.getArticleIco());
return JSONObject.toJSONString(dataMap);
} }
public articleEntity updateReadCount(int id){ public articleEntity updateReadCount(int id){

8
src/com/hellogithub/servlet/article/selectByArticleId.java
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@@ -35,14 +35,14 @@ public class selectByArticleId extends HttpServlet {
PrintWriter writer = resp.getWriter(); PrintWriter writer = resp.getWriter();
String articleid = req.getParameter("articleId"); String articleid = req.getParameter("id");
int id = Integer.parseInt(articleid); int id = Integer.parseInt(articleid);
articleEntity entity = articleservice.selectByArticleId(id); String jsonString = articleservice.selectByArticleId(id);
if(entity == null){ if(jsonString == null){
setResultError("该文章id不存在或已失效", writer); setResultError("该文章id不存在或已失效", writer);
}else{ }else{
String jsonString = JSONObject.toJSONString(entity);
writer.println(jsonString); writer.println(jsonString);
writer.close();
} }
} }
public void setResult(Integer code, String msg, PrintWriter writer) { public void setResult(Integer code, String msg, PrintWriter writer) {