由于最近在用JdbcTemplate,所以記錄一下它的API 假設數據庫的表叫user,對應的實體類如下 public class UserEntity{private int id;private String name;// 省略get set
} jdbc java、1.查詢單條數據 String sql1 = "select * from UserEntity where id
創建一個類A public class A { } 創建一個類MyFactoryBean,并實現FactoryBean接口 public class MyFactoryBean implements FactoryBean<A> {@Overridepublic A getObject() throws Exception {return new A();}@Overridepublic Class<?> getObjec