cn.veasion.db.jdbc

类 JdbcDao

java.lang.Object

cn.veasion.db.jdbc.JdbcDao

public class JdbcDao
extends Object

JdbcDao

作者:

luozhuowei

嵌套类概要

嵌套类

限定符和类型	类和说明
static interface	JdbcDao.FieldAssignmentHandler

构造器概要

构造器

构造器和说明
JdbcDao()

方法概要

限定符和类型	方法和说明
static Object[]	executeInsert(Connection connection, String sql, Object... params) 执行新增，返回自增长id
static int	executeUpdate(Connection connection, String sql, Object... params) 执行增删改
static List<Map<String,Object>>	listForMap(Connection connection, boolean mapUnderscoreToCamelCase, String sql, Object... params) 列表查询
static List<Map<String,Object>>	listForMap(Connection connection, String sql, Object... params) 列表查询
static <T> List<T>	listForType(Connection connection, Class<T> clazz, JdbcDao.FieldAssignmentHandler handler, String sql, Object... params) 列表查询
static <T> List<T>	listForType(Connection connection, Class<T> clazz, String sql, Object... params) 列表查询
static Map<String,Object>	queryForMap(Connection connection, boolean mapUnderscoreToCamelCase, String sql, Object... params) 查询单个
static Map<String,Object>	queryForMap(Connection connection, String sql, Object... params) 查询单个
static <T> T	queryForType(Connection connection, Class<T> clazz, String sql, Object... params) 查询单个
static Object	queryOnly(Connection connection, String sql, Object... params) 获取单个值

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

JdbcDao

public JdbcDao()

方法详细资料

executeUpdate

public static int executeUpdate(Connection connection,
                                String sql,
                                Object... params)

执行增删改

返回:

返回影响条数

executeInsert

public static Object[] executeInsert(Connection connection,
                                     String sql,
                                     Object... params)

执行新增，返回自增长id

返回:

返回自增长id

listForMap

public static List<Map<String,Object>> listForMap(Connection connection,
                                                  String sql,
                                                  Object... params)

列表查询

返回:

返回列表数据

listForMap

public static List<Map<String,Object>> listForMap(Connection connection,
                                                  boolean mapUnderscoreToCamelCase,
                                                  String sql,
                                                  Object... params)

列表查询

返回:

返回列表数据

queryForMap

public static Map<String,Object> queryForMap(Connection connection,
                                             String sql,
                                             Object... params)

查询单个

queryForMap

public static Map<String,Object> queryForMap(Connection connection,
                                             boolean mapUnderscoreToCamelCase,
                                             String sql,
                                             Object... params)

查询单个

queryForType

public static <T> T queryForType(Connection connection,
                                 Class<T> clazz,
                                 String sql,
                                 Object... params)

查询单个

listForType

public static <T> List<T> listForType(Connection connection,
                                      Class<T> clazz,
                                      String sql,
                                      Object... params)

列表查询

返回:

返回列表数据

listForType

public static <T> List<T> listForType(Connection connection,
                                      Class<T> clazz,
                                      JdbcDao.FieldAssignmentHandler handler,
                                      String sql,
                                      Object... params)

列表查询

返回:

返回列表数据

queryOnly

public static Object queryOnly(Connection connection,
                               String sql,
                               Object... params)

获取单个值

返回:

返回结果