com.zx.utils.util

类 ReflectUtil

java.lang.Object

com.zx.utils.util.ReflectUtil

public class ReflectUtil
extends Object

反射封装工具类

作者:

: zhaoxu

构造器概要

构造器

构造器和说明
ReflectUtil()

方法概要

限定符和类型	方法和说明
static <E> org.springframework.data.jpa.domain.Specification<E>	createOneSpecification(String attr, String condition) 指定条件查询
static <E> org.springframework.data.jpa.domain.Specification<E>	createSpecification(Map<String,String> objConditions, Class<E> clazz, List<String> excludeLikeAttr) 生成全属性条件查询通用Specification
static Object	executeMethod(Object object, String methodName, Object... parameters) 通过方法名动态执行某个方法
static Map<String,Class<?>>	getFields(Object object) 获取对象所有属性及对应的类别
static Map<String,Object>	getFieldsValue(Object object) 获取所有属性值
static <E> javax.persistence.criteria.Path<E>	getRootPath(javax.persistence.criteria.Root<E> root, javax.persistence.criteria.Path<E> path, String allPath) 获取关联查询真实path
static Map<String,String>	getStringValues(Object object) 获取所有属性值，自动转为字符串
static List<Field>	getTargetAnnoation(Class<?> objectClass, Class<? extends Annotation> annoClass) 获取拥有指定注解的字段
static Map<String,Object>	getValues(Object object) 获取所有属性值
static Boolean	setValue(Object object, String property, Object value) 设置属性值

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

ReflectUtil

public ReflectUtil()

方法详细资料

createSpecification

public static <E> org.springframework.data.jpa.domain.Specification<E> createSpecification(Map<String,String> objConditions,
                                                                                           Class<E> clazz,
                                                                                           List<String> excludeLikeAttr)

生成全属性条件查询通用Specification

类型参数:

E - 泛型

参数:

objConditions - 属性参数

clazz - 要查询的实体类或vo类

excludeLikeAttr - 不使用模糊搜索的字符串属性

返回:

Specification

createOneSpecification

public static <E> org.springframework.data.jpa.domain.Specification<E> createOneSpecification(String attr,
                                                                                              String condition)

指定条件查询

类型参数:

E - 泛型

参数:

attr - 查询的字段

condition - 条件

返回:

Specification

getRootPath

public static <E> javax.persistence.criteria.Path<E> getRootPath(javax.persistence.criteria.Root<E> root,
                                                                 javax.persistence.criteria.Path<E> path,
                                                                 String allPath)

获取关联查询真实path

类型参数:

E - E

参数:

root - root

path - path

allPath - allPath

返回:

Path

executeMethod

public static Object executeMethod(Object object,
                                   String methodName,
                                   Object... parameters)
                            throws InvocationTargetException,
                                   IllegalAccessException,
                                   NoSuchMethodException

通过方法名动态执行某个方法

参数:

object - object

methodName - 方法名

parameters - 参数

返回:

Object

抛出:

InvocationTargetException - InvocationTargetException

IllegalAccessException - IllegalAccessException

NoSuchMethodException - NoSuchMethodException

getFieldsValue

public static Map<String,Object> getFieldsValue(Object object)
                                         throws IllegalAccessException

获取所有属性值

参数:

object - object

返回:

Map

抛出:

IllegalAccessException - IllegalAccessException

setValue

public static Boolean setValue(Object object,
                               String property,
                               Object value)
                        throws NoSuchFieldException,
                               IllegalAccessException

设置属性值

参数:

property - 设置的字段

value - 值

object - object

返回:

Boolean

抛出:

NoSuchFieldException

IllegalAccessException

getFields

public static Map<String,Class<?>> getFields(Object object)
                                      throws IllegalAccessException

获取对象所有属性及对应的类别

参数:

object - object

返回:

Map

抛出:

IllegalAccessException - IllegalAccessException

getValues

public static Map<String,Object> getValues(Object object)
                                    throws IllegalAccessException

获取所有属性值

参数:

object - object

返回:

Map

抛出:

IllegalAccessException - IllegalAccessException

getStringValues

public static Map<String,String> getStringValues(Object object)
                                          throws IllegalAccessException

获取所有属性值，自动转为字符串

参数:

object - object

返回:

Map

抛出:

IllegalAccessException - IllegalAccessException

getTargetAnnoation

public static List<Field> getTargetAnnoation(Class<?> objectClass,
                                             Class<? extends Annotation> annoClass)

获取拥有指定注解的字段

参数:

objectClass - 对象

annoClass - 查询的注解

返回:

List