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public void applyLogin() {
　//配置数据库访问参数
　DatabaseLogin login = new DatabaseLogin();
　login.usePlatform(new oracle.toplink.oraclespecific.Oracle9Platform());
　login.setDriverClassName("oracle.jdbc.driver.OracleDriver"); 　login.setConnectionString(ApplicationConfiguration.get(ConfigurationConstants.DB_CON_STR)); 　login.setUserName(ApplicationConfiguration.get(ConfigurationConstants.DB_USER)); 　　login.setPassword(ApplicationConfiguration.get(ConfigurationConstants.DB_ENCRYPTED_PASSWORD));
　// 设置数据库参数
　login.setUsesNativeSequencing(true);
　login.setSequencePreallocationSize(1);
　login.setShouldBindAllParameters(false);
　login.setShouldCacheAllStatements(false);
　login.setUsesByteArrayBinding(true);
　login.setUsesStringBinding(false);
　if (login.shouldUseByteArrayBinding()) { // Can only be used with binding.
　　login.setUsesStreamsForBinding(false);
　}
　login.setShouldForceFieldNamesToUpperCase(false);
　login.setShouldOptimizeDataConversion(true);
　login.setShouldTrimStrings(true);
　login.setUsesBatchWriting(false);
　if (login.shouldUseBatchWriting()) { // Can only be used with batch writing.
　　login.setUsesJDBCBatchWriting(true);
　}
　login.setUsesExternalConnectionPooling(false);
　login.setUsesExternalTransactionController(false);
　setLogin(login);
}