cn.tom.db.jdbc.simple

类 DBUtil

java.lang.Object

cn.tom.db.jdbc.simple.DBUtil

public class DBUtil
extends Object

字段概要

字段

限定符和类型	字段和说明
static DBOperations	TEMPLATE

构造器概要

构造器

构造器和说明
DBUtil()

方法概要

方法

限定符和类型	方法和说明
static int[]	batchUpdate(List<String> sqls)
static int[]	batchUpdate(String sql, List<Object[]> list)
static int[]	batchUpdate(String sql, Object... obj)
protected static void	bindInputStatement(PreparedStatement statement, int index, Object obj) sql输入参数绑定
static void	bindInputStatement(PreparedStatement statement, Object... obj)
static void	close(Connection _conn)
static void	close(ResultSet _rs)
static void	close(Statement stat)
static void	closeDataSource()
static int	exec(Connection _conn, String sql, Object... params)
static int	exec(Query query)
static int	exec(String sql, Object... params)
static <T> T	getBean(String sql, Class<T> clazz, Object... params)
static Connection	getConnection()
static double	getDouble(String sql, Object... params)
static Integer	getInt(String sql, Object... params)
static Map<String,Object>	getLinkedMap(String sql, Object... params)
static List<Map<String,Object>>	getLinkedMapList(String sql, Object... params)
static <T> List<T>	getList(Connection conn, String sql, Class<T> clazz, Object... params)
static List<Map<String,Object>>	getList(Connection conn, String sql, Object... params)
static List<Map<String,Object>>	getList(Query query)
protected static List<Map<String,Object>>	getList(ResultSet res, Class<? extends Map> clazz)
static <T> List<T>	getList(String sql, Class<T> clazz, Object... params)
static List<Map<String,Object>>	getList(String sql, Object... params)
protected static <T> List<T>	getListT(ResultSet res, Class<T> clazz)
static Long	getLong(String sql, Object... params)
static Map<String,Object>	getMap(String sql, Object... params)
static <T> T	getObject(Connection conn, String sql, Class<T> clazz, Object... params)
protected static Object	getObject(ResultSet res)
static <T> T	getObject(String sql, Class<T> clazz, Object... params)
static <T> T	getObject(String sql, Object... params)
static String	getString(String sql, Object... params)
static void	init(File dbFile)
static void	init(Properties prop)
static int	insert(Connection _conn, String sql, Object... params)
static int	insert(String sql, Object... params) 返回自增ID,如果没有自增主键,请使用update
static int	insertDB(String tableName, Object obj)
protected static ResultSet	query(Connection _conn, String sql, Object... params)
static int	updateDB(String tableName, Object obj, String where)

从类继承的方法 java.lang.Object

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

字段详细资料

TEMPLATE

public static final DBOperations TEMPLATE

构造器详细资料

DBUtil

public DBUtil()

方法详细资料

init

public static void init(File dbFile)

init

public static void init(Properties prop)

getConnection

public static Connection getConnection()

exec

public static int exec(Connection _conn,
       String sql,
       Object... params)

exec

public static int exec(String sql,
       Object... params)

exec

public static int exec(Query query)

insert

public static int insert(String sql,
         Object... params)

返回自增ID,如果没有自增主键,请使用update

insert

public static int insert(Connection _conn,
         String sql,
         Object... params)

batchUpdate

public static int[] batchUpdate(List<String> sqls)

batchUpdate

public static int[] batchUpdate(String sql,
                List<Object[]> list)

batchUpdate

public static int[] batchUpdate(String sql,
                Object... obj)

insertDB

public static int insertDB(String tableName,
           Object obj)

updateDB

public static int updateDB(String tableName,
           Object obj,
           String where)

getInt

public static Integer getInt(String sql,
             Object... params)

getDouble

public static double getDouble(String sql,
               Object... params)

getLong

public static Long getLong(String sql,
           Object... params)

getString

public static String getString(String sql,
               Object... params)

getObject

public static <T> T getObject(String sql,
              Object... params)

getObject

public static <T> T getObject(String sql,
              Class<T> clazz,
              Object... params)

getObject

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

getList

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

getList

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

getList

public static List<Map<String,Object>> getList(Connection conn,
                               String sql,
                               Object... params)

getList

public static List<Map<String,Object>> getList(String sql,
                               Object... params)

getList

public static List<Map<String,Object>> getList(Query query)

getLinkedMapList

public static List<Map<String,Object>> getLinkedMapList(String sql,
                                        Object... params)

getMap

public static Map<String,Object> getMap(String sql,
                        Object... params)

getLinkedMap

public static Map<String,Object> getLinkedMap(String sql,
                              Object... params)

getBean

public static <T> T getBean(String sql,
            Class<T> clazz,
            Object... params)

bindInputStatement

protected static void bindInputStatement(PreparedStatement statement,
                      int index,
                      Object obj)
                                  throws SQLException

sql输入参数绑定

抛出:

SQLException

bindInputStatement

public static void bindInputStatement(PreparedStatement statement,
                      Object... obj)
                               throws SQLException

抛出:

SQLException

getList

protected static List<Map<String,Object>> getList(ResultSet res,
                               Class<? extends Map> clazz)
                                           throws SQLException

抛出:

SQLException

getListT

protected static <T> List<T> getListT(ResultSet res,
                   Class<T> clazz)
                           throws SQLException

抛出:

SQLException

getObject

protected static Object getObject(ResultSet res)
                           throws SQLException

抛出:

SQLException

query

protected static ResultSet query(Connection _conn,
              String sql,
              Object... params)
                          throws SQLException

抛出:

SQLException

close

public static void close(Connection _conn)

close

public static void close(ResultSet _rs)

close

public static void close(Statement stat)

closeDataSource

public static void closeDataSource()