<bean?id="dataSource"?class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property?name="driverClass"?value="${jdbc.driverClass}"></property> <property?name="jdbcUrl"?value="${jdbc.url}"></property> <property?name="user"?value="${jdbc.username}"></property> <property?name="password"?value="${jdbc.password}"></property> </bean>property name里的是相當(dāng)于關(guān)鍵詞是的嗎、?默認(rèn)名稱嗎？改了的話是不是就不認(rèn)識(shí)了、？是不是日志會(huì)有異常出來(lái)？求正解！