cn.schoolwow.quickdao.util

类 ReflectionUtil

java.lang.Object

cn.schoolwow.quickdao.util.ReflectionUtil

public class ReflectionUtil
extends Object

字段概要

字段

限定符和类型	字段和说明
static Map<String,Entity>	entityMap 记录实体类信息

构造器概要

构造器

构造器和说明
ReflectionUtil()

方法概要

限定符和类型	方法和说明
static void	getEntityInfo() 获取实体类信息
static boolean	hasId(Object instance) 对象是否存在id
static com.alibaba.fastjson.JSONArray	mappingResultSetToJSONArray(ResultSet resultSet, int count) 映射结果集到JSONArray中
static <T> List<T>	mappingSingleResultToList(ResultSet resultSet, int count, Class<T> _class) 将ResultSet映射到List中
static String	setValueWithInsertIgnore(PreparedStatement ps, Object instance, String sql) 直接插入 为prepareStatement赋值 返回实际执行的SQL语句
static String	setValueWithUpdateById(PreparedStatement ps, Object instance, String sql) 根据id更新 为prepareStatement赋值
static String	setValueWithUpdateByUniqueKey(PreparedStatement ps, Object instance, String sql) 根据UniqueKey更新 为prepareStatement赋值

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

entityMap

public static Map<String,Entity> entityMap

记录实体类信息

构造器详细资料

ReflectionUtil

public ReflectionUtil()

方法详细资料

hasId

public static boolean hasId(Object instance)
                     throws IllegalAccessException

对象是否存在id

抛出:

IllegalAccessException

setValueWithInsertIgnore

public static String setValueWithInsertIgnore(PreparedStatement ps,
                                              Object instance,
                                              String sql)
                                       throws SQLException,
                                              IllegalAccessException

直接插入 为prepareStatement赋值 返回实际执行的SQL语句

抛出:

SQLException

IllegalAccessException

setValueWithUpdateById

public static String setValueWithUpdateById(PreparedStatement ps,
                                            Object instance,
                                            String sql)
                                     throws SQLException,
                                            IllegalAccessException,
                                            NoSuchFieldException

根据id更新 为prepareStatement赋值

抛出:

SQLException

IllegalAccessException

NoSuchFieldException

setValueWithUpdateByUniqueKey

public static String setValueWithUpdateByUniqueKey(PreparedStatement ps,
                                                   Object instance,
                                                   String sql)
                                            throws SQLException,
                                                   IllegalAccessException

根据UniqueKey更新 为prepareStatement赋值

抛出:

SQLException

IllegalAccessException

mappingSingleResultToList

public static <T> List<T> mappingSingleResultToList(ResultSet resultSet,
                                                    int count,
                                                    Class<T> _class)
                                             throws SQLException,
                                                    IllegalAccessException,
                                                    InstantiationException,
                                                    NoSuchMethodException,
                                                    InvocationTargetException

将ResultSet映射到List中

返回:

结果集的映射

抛出:

SQLException

IllegalAccessException

InstantiationException

NoSuchMethodException

InvocationTargetException

mappingResultSetToJSONArray

public static com.alibaba.fastjson.JSONArray mappingResultSetToJSONArray(ResultSet resultSet,
                                                                         int count)
                                                                  throws SQLException

映射结果集到JSONArray中

抛出:

SQLException

getEntityInfo

public static void getEntityInfo()
                          throws ClassNotFoundException,
                                 IOException

获取实体类信息

抛出:

ClassNotFoundException

IOException