@Test
public void updateByExample() {
Criteria example = new Criteria();
example.put("balance", 123);
Trade trade = new Trade();
trade.setId("1");
trade.setBalance(new BigDecimal(123));
trade.setMyaccount("110");
int result = tradeDao.updateByExample(trade, example);
assertEquals(1, result);
trade = tradeDao.selectByPrimaryKey("1");
assertEquals("110", trade.getMyaccount());
assertEquals(null, trade.getRemark());
}
