GitHub - cxxjava/CxxDBC: 基于C++开发的异种数据库跨平台连接中间件.

#include "Edb.hh"
#include "ELog.hh"

#define LOG(fmt,...) ESystem::out->println(fmt, ##__VA_ARGS__)

#define HOST "127.0.0.1"
#define PORT "6633"
#define DATABASE "test"
#define USERNAME "test"
#define PASSWORD "password"

static void test_db_execute() {
  EConnection conn; //默认使用proxy模式
  conn.connect(DATABASE, HOST, atoi(PORT), USERNAME, PASSWORD);

  ECommonStatement stmt(&conn);
  EResultSet* rs;

  //0.
  try {
  	stmt.setSql("DROP TABLE mysql000").execute();
  } catch (...) {
  }
  stmt.setSql("CREATE TABLE mysql000 ("
  			  "id integer NULL,"
  			  "name varchar (40) NULL ,"
  			  "date date NULL"
  			  ") type=InnoDB").execute();

  //1.
  stmt.setSql("insert into mysql000 values(?,?,?)")
  			.bindInt(4)
  			.bindString("1")
  			.bindString("2017-07-08");
  for (int i=0; i<100; i++) {
  	stmt.execute();
  }

  //2.
  stmt.setSql("select * from mysql000").execute();
  rs = stmt.getResultSet();
  EResultSetMetaData* rsm = rs->getMetaData();
  LOG(rsm->toString().c_str());
  while (rs->next()) {
  	for (int i=1; i<=rs->getMetaData()->getColumnCount(); i++) {
  		LOG("%s:%s", rs->getMetaData()->getColumnLabel(i).c_str(), rs->isNull(i) ? "is null" : rs->getString(i).c_str());
  	}
  }
  rs->close();

  conn.close();
}

int main(int argc, const char **argv) {
  // CxxJDK init.
  ESystem::init(argc, argv);
  // CxxLog4j init.
  ELoggerManager::init("log4e.properties");
      
  try {
  	test_db_execute();
  }
  catch (ESQLException& e) {
  	e.printStackTrace();
  }
  catch (...) {
  	printf("catch all...\n");
  }
  
  ESystem::exit(0);
  
  return 0;
}