zhushi

src/main/java/com/inks/hb/logInfo/dao/LogInfoDao.java

@@ -120,3 +120,125 @@ public class LogInfoDao implements CommonDao {
         return list;
     }
 }
+//package com.inks.hb.logInfo.dao;
+//
+//import com.inks.hb.common.CommonDao;
+//import com.inks.hb.common.DBUtil;
+//import com.inks.hb.logInfo.pojo.LogInfo;
+//
+//import java.sql.Connection;
+//import java.sql.PreparedStatement;
+//import java.sql.ResultSet;
+//import java.sql.SQLException;
+//import java.util.ArrayList;
+//
+//public class LogInfoDao implements CommonDao {
+//    // 实现CommonDao接口，用于操作logInfo表
+//    @Override
+//    public void insertData(Object o) throws SQLException {
+//        // 插入数据
+//        LogInfo logInfo = (LogInfo) o;
+//
+//        Connection conn = DBUtil.getConnection();
+//        String sql = "INSERT INTO logInfo (logName, loginId,loginName, logDate) VALUE (?,?,?,?)";
+//        PreparedStatement ps = conn.prepareStatement(sql);
+//        ps.setString(1, logInfo.getLogName());
+//        ps.setInt(2, logInfo.getLoginId());
+//        ps.setString(3, logInfo.getLoginName());
+//        ps.setString(4, logInfo.getLogDate());
+//
+//        ps.executeUpdate();
+//        ps.close();
+//    }
+//
+//    @Override
+//    public void deleteData(Object o) throws SQLException {
+//        // 删除数据
+//        LogInfo logInfo = (LogInfo) o;
+//
+//        Connection conn = DBUtil.getConnection();
+//        String sql = "DELETE FROM logInfo WHERE logId = ?";
+//        PreparedStatement ps = conn.prepareStatement(sql);
+//        ps.setInt(1, logInfo.getLogId());
+//
+//        ps.executeUpdate();
+//        ps.close();
+//    }
+//
+//    @Override
+//    public void updateData(Object o) throws SQLException {
+//
+//        // 更新数据
+//    }
+//
+//    @Override
+//    public int queryDataNum() throws SQLException {
+//        // 查询数据数量
+//        Connection conn = DBUtil.getConnection();
+//
+//        String sql = "select count(*) from logInfo;";
+//        PreparedStatement pstmt = conn.prepareStatement(sql);
+//        ResultSet rs = pstmt.executeQuery();
+//
+//        int num;
+//        if (rs.next()) num = rs.getInt("count(*)");
+//        else num = 0;
+//
+//        rs.close();
+//        pstmt.close();
+//
+//        return num;
+//    }
+//
+//    @Override
+//    public ArrayList query(int start, int length) throws SQLException {
+//
+//        // 查询数据
+//        Connection conn = DBUtil.getConnection();
+//
+//        String sql = "select * from logInfo limit ?, ?;";
+//        PreparedStatement pstmt = conn.prepareStatement(sql);
+//        pstmt.setInt(1, start - 1);
+//        pstmt.setInt(2, length);
+//        ResultSet rs = pstmt.executeQuery();
+//
+//        ArrayList<LogInfo> list = new ArrayList<>();
+//        LogInfo logInfo;
+//
+//        while (rs.next()) {
+//            logInfo = new LogInfo(rs.getInt(1), rs.getString(2),
+//                    rs.getInt(3), rs.getString(4), rs.getString(5));
+//            list.add(logInfo);
+//        }
+//
+//        rs.close();
+//        pstmt.close();
+//
+//        return list;
+//    }
+//
+//    @Override
+//    public Object query(Object o) throws SQLException {
+//        // 查询数据
+//        return null;
+//    }
+//
+//    public ArrayList queryName(int loginId) throws SQLException {
+//        // 根据loginId查询数据
+//        Connection conn = DBUtil.getConnection();
+//        String sql = "SELECT * FROM logInfo WHERE loginId = ?";
+//        PreparedStatement ps = conn.prepareStatement(sql);
+//        ps.setInt(1, loginId);
+//        ResultSet rs = ps.executeQuery();
+//        ArrayList<LogInfo> list = new ArrayList<>();
+//        LogInfo logInfo;
+//        while (rs.next()) {
+//            logInfo = new LogInfo(rs.getInt(1), rs.getString(2),
+//                    rs.getInt(3), rs.getString(4), rs.getString(5));
+//            list.add(logInfo);
+//        }
+//        rs.close();
+//        ps.close();
+//        return list;
+//    }
+//}

src/main/java/com/inks/hb/logInfo/pojo/LogInfo.java

@@ -106,12 +106,13 @@ public class LogInfo {
     // 重写toString方法
     @Override
     public String toString() {
+        // 重写toString()方法，返回LogInfo对象的字符串表示
         return "LogInfo{" +
-                "logId=" + logId +
-                ", logName='" + logName + '\'' +
-                ", loginId=" + loginId +
-                ", loginName='" + loginName + '\'' +
-                ", logDate='" + logDate + '\'' +
+                "logId=" + logId + // 日志ID
+                ", logName='" + logName + '\'' + // 日志名称
+                ", loginId=" + loginId + // 登录ID
+                ", loginName='" + loginName + '\'' + // 登录名称
+                ", logDate='" + logDate + '\'' + // 日志日期
                 '}';
     }
 }