103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
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#include "opmysql.h"
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#include <mysql_driver.h>
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#include <mysql_connection.h>
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#include <cppconn/prepared_statement.h>
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#include <cppconn/resultset.h>
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#include <cppconn/statement.h>
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#include <cppconn/exception.h>
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#include <hv/hlog.h>
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#include <sstream>
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#include "openjson.h"
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OpDatabase OpDatabase::m_instance;
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OpDatabase::OpDatabase()
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:m_pDbConnection(nullptr)
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{
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}
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OpDatabase::~OpDatabase()
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{
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CloseDatabase();
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}
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OpDatabase* OpDatabase::getInstance()
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{
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return &m_instance;
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}
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bool OpDatabase::OpenDatabase(const std::string& server, const std::string& dbuser, const std::string& database)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
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try
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{
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// <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//std::string server = "tcp://127.0.0.1:3306";
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//std::string dbuser = "root";
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std::string password = "Hj57471000";
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//std::string database = "hjems";
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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sql::mysql::MySQL_Driver* driver;
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driver = sql::mysql::get_mysql_driver_instance();
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//m_pDbConnection.reset(driver->connect(server, dbuser, password));
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m_pDbConnection = driver->connect(server, dbuser, password);
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if (!m_pDbConnection)
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{
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hloge("Failed to connect to database.");
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return false;
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}
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// <20><><EFBFBD><EFBFBD>Ϊʹ<CEAA><CAB9>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
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m_pDbConnection->setSchema(database);
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return true;
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}
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catch (sql::SQLException& e)
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{
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std::ostringstream ss;
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ss << "SQLException: " << e.what();
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ss<< " (MySQL error code: " << e.getErrorCode();
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ss << ", SQLState: " << e.getSQLState() << " )";
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hloge("Failed to connect to database: %s",ss.str().c_str());
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return false;
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}
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}
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// <20>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
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void OpDatabase::CloseDatabase()
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{
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//m_pDbConnection->close();
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//delete m_pDbConnection;
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}
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void OpDatabase::InsertMessage(const std::string& ts, const std::string& msg_type, const std::string& fsu, const std::string& content, int topic, int dev_id)
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{
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const char* insertSql = "INSERT INTO tbl_data (data_timestamp, data_type, FsuCode, data_content, topic, device_id) VALUES (?,?,?,?,?,?);";
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// <20><><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>prepared statement
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std::unique_ptr<sql::PreparedStatement> insertStmt(m_pDbConnection->prepareStatement(insertSql));
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// <20><EFBFBD><F3B6A8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵIJ<DDB5><C4B2><EFBFBD>
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insertStmt->setString(1, ts);
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insertStmt->setString(2, msg_type);
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insertStmt->setString(3, fsu);
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insertStmt->setString(4, content);
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insertStmt->setInt(5, topic);
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insertStmt->setInt(6, dev_id);
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// ִ<>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int rowsAffected = insertStmt->executeUpdate();
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ɹ<EFBFBD>
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if (rowsAffected > 0)
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{
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hlogi( "New message inserted successfully." );
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}
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else
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{
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hloge( "No rows affected during insert operation." );
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}
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}
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