增加用户详情

src/com/hellogithub/dao/commentDao.java

@@ -40,4 +40,19 @@ public class commentDao {
         }
         return num;
     }
+
+    //根据用户显示评论
+    public List<commentEntity> selectByUserId(int id){
+        List<commentEntity> commentEntityList ;
+        try {
+            Connection conn = JdbcUtils.getConnection();
+            QueryRunner runner = new QueryRunner();
+            String sql = "select * from comment where userId = ? and isValid = 1";
+            commentEntityList = runner.query(conn, sql,new BeanListHandler<>(commentEntity.class),id);
+            conn.close();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return commentEntityList;
+    }
 }

src/com/hellogithub/dao/projectDao.java

@@ -223,5 +223,17 @@ public class projectDao {
         return num;
     }
 
-
+    public List<projectEntity> retProjectByUserId(int id){
+        List<projectEntity> projectEntityList;
+        try {
+            Connection conn = JdbcUtils.getConnection();
+            QueryRunner runner = new QueryRunner();
+            String sql = "select * from project where isValid = 1 and userId= ?";
+            projectEntityList = runner.query(conn, sql, new BeanListHandler<>(projectEntity.class),id);
+            conn.close();
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+        return projectEntityList;
+    }
 }

src/com/hellogithub/service/UserService.java

@@ -66,4 +66,6 @@ public class UserService {
     public int addLabel(String username,String str){return userDao.addLabel(username,str);}
 
     public userEntity selectUserByName(String name ){return userDao.selectUserByName(name);}
+
+    public int selectIdByName(String name ){return userDao.selectIdByName(name);}
 }

src/com/hellogithub/service/commentService.java

@@ -43,4 +43,9 @@ public class commentService {
         int userid = userDao.selectIdByName(username);
         return commentDao.insertComment(userid,projectId,content,isUsed,commentTime,star);
     }
+
+    public String selectByUserId(int id){
+        List<commentEntity> commentEntityList = commentDao.selectByUserId(id);
+        return JSONObject.toJSONString(commentEntityList);
+    }
 }

src/com/hellogithub/service/projectService.java

@@ -177,4 +177,8 @@ public class projectService {
 
         return projectEntityList;
     }
+    public String retProjectByUserId(int id){
+        List<projectEntity> projectEntityList = projectDao.retProjectByUserId(id);
+        return JSONObject.toJSONString(projectEntityList);
+    }
 }

src/com/hellogithub/servlet/userDetailServlet.java

@@ -0,0 +1,82 @@
+package com.hellogithub.servlet;
+
+import com.alibaba.fastjson.JSONObject;
+import com.hellogithub.entity.userEntity;
+import com.hellogithub.service.UserService;
+import com.hellogithub.service.commentService;
+import com.hellogithub.service.projectService;
+import jakarta.servlet.ServletConfig;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashMap;
+import java.util.Map;
+
+@WebServlet("/userDetail")
+public class userDetailServlet extends HttpServlet {
+    private UserService  userService=new UserService();
+    private projectService projectService= new projectService();
+    private commentService commentService= new commentService();
+    @Override
+    public void init(ServletConfig config) throws ServletException {
+
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+       doPost(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        resp.setCharacterEncoding("UTF-8");
+        resp.setContentType("text/html; charset=utf-8");
+        //        设置响应头允许ajax跨域访问
+        String curOrigin = req.getHeader("Origin");
+        resp.setHeader("Access-Control-Allow-Origin", curOrigin == null ? "true" : curOrigin);
+        resp.setHeader("Access-Control-Allow-Credentials", "true");
+        resp.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
+        resp.setHeader("Access-Control-Max-Age", "3600");
+        resp.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, authority, content-type, version-info, X-Requested-With");
+        resp.setContentType("application/json;charset=UTF-8");
+
+        PrintWriter writer = resp.getWriter();
+        HttpSession session = req.getSession();
+        userEntity userEntity=(userEntity)session.getAttribute("user");
+        if(userEntity == null){
+            setResultError("用户暂未登录", writer);
+        }else{
+            String name = userEntity.getUserName();
+            Map<String,String> dataMap= new HashMap<>();
+            int id = userService.selectIdByName(name);
+            dataMap.put("comment",commentService.selectByUserId(id));
+            dataMap.put("project",projectService.retProjectByUserId(id));
+            String jsonString = JSONObject.toJSONString(dataMap);
+            writer.println(jsonString);
+        }
+        writer.close();
+    }
+
+    public void setResult(Integer code, String msg, PrintWriter writer) {
+        HashMap<String, Object> result = new HashMap<>();
+        result.put("code", code);
+        result.put("msg", msg);
+        String jsonString = JSONObject.toJSONString(result);
+        writer.println(jsonString);
+        writer.close();
+    }
+
+    public void setResultError(String msg, PrintWriter writer) {
+        setResult(500, msg, writer);
+    }
+
+    public void setResultOK(String msg, PrintWriter writer) {
+        setResult(200, msg, writer);
+    }
+}