cn.hutool.core.util.ReflectUtil Java Exaples

Source File: HtmlMakerFactory.java From bitchat with Apache License 2.0

6 votes

/**
 * 创建HtmlMaker实例
 */
public HtmlMaker build(HtmlMakerEnum type, Class<? extends HtmlMaker> clazz) {
    if (type == null) {
        return null;
    } else {
        HtmlMaker htmlMaker = htmlMakerMap.get(type);
        if (htmlMaker == null) {
            lock.lock();
            try {
                if (!htmlMakerMap.containsKey(type)) {
                    htmlMaker = ReflectUtil.newInstance(clazz);
                    htmlMakerMap.putIfAbsent(type, htmlMaker);
                } else {
                    htmlMaker = htmlMakerMap.get(type);
                }
            } finally {
                lock.unlock();
            }
        }
        return htmlMaker;
    }
}

Source File: MessageController.java From spring-boot-demo with MIT License

6 votes

/**
 * 判断Bean是否为空对象或者空白字符串，空对象表示本身为<code>null</code>或者所有属性都为<code>null</code>
 *
 * @param bean Bean对象
 * @return 是否为空，<code>true</code> - 空 / <code>false</code> - 非空
 */
private boolean isBlank(Object bean) {
    if (null != bean) {
        for (Field field : ReflectUtil.getFields(bean.getClass())) {
            Object fieldValue = ReflectUtil.getFieldValue(bean, field);
            if (null != fieldValue) {
                if (fieldValue instanceof String && StrUtil.isNotBlank((String) fieldValue)) {
                    return false;
                } else if (!(fieldValue instanceof String)) {
                    return false;
                }
            }
        }
    }
    return true;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 获取字段列表 {@code 过滤数据库中不存在的字段，以及自增列}
 *
 * @param t          对象
 * @param ignoreNull 是否忽略空值
 * @return 字段列表
 */
private List<Field> getField(T t, Boolean ignoreNull) {
	// 获取所有字段，包含父类中的字段
	Field[] fields = ReflectUtil.getFields(t.getClass());

	// 过滤数据库中不存在的字段，以及自增列
	List<Field> filterField;
	Stream<Field> fieldStream = CollUtil.toList(fields).stream().filter(field -> ObjectUtil.isNull(field.getAnnotation(Ignore.class)) || ObjectUtil.isNull(field.getAnnotation(Pk.class)));

	// 是否过滤字段值为null的字段
	if (ignoreNull) {
		filterField = fieldStream.filter(field -> ObjectUtil.isNotNull(ReflectUtil.getFieldValue(t, field))).collect(Collectors.toList());
	} else {
		filterField = fieldStream.collect(Collectors.toList());
	}
	return filterField;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 根据对象查询
 *
 * @param t 查询条件
 * @return 对象列表
 */
public List<T> findByExample(T t) {
	String tableName = getTableName(t);
	List<Field> filterField = getField(t, true);
	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> " and " + s + " = ? ").collect(Collectors.toList());

	String where = StrUtil.join(" ", columns);
	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("SELECT * FROM {table} where 1=1 {where}", Dict.create().set("table", tableName).set("where", StrUtil.isBlank(where) ? "" : where));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	List<Map<String, Object>> maps = jdbcTemplate.queryForList(sql, values);
	List<T> ret = CollUtil.newArrayList();
	maps.forEach(map -> ret.add(BeanUtil.fillBeanWithMap(map, ReflectUtil.newInstance(clazz), true, false)));
	return ret;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用根据主键更新，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param pk         主键
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer updateById(T t, P pk, Boolean ignoreNull) {
	String tableName = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> StrUtil.appendIfMissing(s, " = ?")).collect(Collectors.toList());
	String params = StrUtil.join(Const.SEPARATOR_COMMA, columns);

	// 构造值
	List<Object> valueList = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).collect(Collectors.toList());
	valueList.add(pk);

	Object[] values = ArrayUtil.toArray(valueList, Object.class);

	String sql = StrUtil.format("UPDATE {table} SET {params} where id = ?", Dict.create().set("table", tableName).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用插入，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer insert(T t, Boolean ignoreNull) {
	String table = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	String columns = StrUtil.join(Const.SEPARATOR_COMMA, columnList);

	// 构造占位符
	String params = StrUtil.repeatAndJoin("?", columnList.size(), Const.SEPARATOR_COMMA);

	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("INSERT INTO {table} ({columns}) VALUES ({params})", Dict.create().set("table", table).set("columns", columns).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: ExcelUtil.java From albedo with GNU Lesser General Public License v3.0

6 votes

/**
 * 获取bean中的属性值
 *
 * @param vo         实体对象
 * @param field      字段
 * @param excelField 注解
 * @return 最终的属性值
 * @throws Exception
 */
private Object getTargetValue(T vo, Field field, ExcelField excelField) throws Exception {
	Object o = ReflectUtil.getFieldValue(vo, field);
	if (ObjectUtil.isEmpty(o)) {
		o = ClassUtil.invokeGetter(vo, field.getName());
	}
	if (StringUtil.isNotEmpty(excelField.targetAttr())) {
		String target = excelField.targetAttr();
		if (target.indexOf(StringUtil.DOT) > -1) {
			String[] targets = target.split("[.]");
			for (String name : targets) {
				o = getValue(o, name);
			}
		} else {
			o = getValue(o, target);
		}
	}
	return o;
}

Source File: HtmlMakerFactory.java From redant with Apache License 2.0

6 votes

/**
 * 创建HtmlMaker实例
 */
public HtmlMaker build(HtmlMakerEnum type,Class<? extends HtmlMaker> clazz){
    if(type==null){
        return null;
    }else{
        HtmlMaker htmlMaker = htmlMakerMap.get(type);
        if(htmlMaker==null){
            lock.lock();
            try {
                if(!htmlMakerMap.containsKey(type)) {
                    htmlMaker = ReflectUtil.newInstance(clazz);
                    htmlMakerMap.putIfAbsent(type,htmlMaker);
                }else{
                    htmlMaker = htmlMakerMap.get(type);
                }
            }finally {
                lock.unlock();
            }
        }
        return htmlMaker;
    }
}

Source File: MessageController.java From spring-boot-demo with MIT License

6 votes

/**
 * 判断Bean是否为空对象或者空白字符串，空对象表示本身为<code>null</code>或者所有属性都为<code>null</code>
 *
 * @param bean Bean对象
 * @return 是否为空，<code>true</code> - 空 / <code>false</code> - 非空
 */
private boolean isBlank(Object bean) {
    if (null != bean) {
        for (Field field : ReflectUtil.getFields(bean.getClass())) {
            Object fieldValue = ReflectUtil.getFieldValue(bean, field);
            if (null != fieldValue) {
                if (fieldValue instanceof String && StrUtil.isNotBlank((String) fieldValue)) {
                    return false;
                } else if (!(fieldValue instanceof String)) {
                    return false;
                }
            }
        }
    }
    return true;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 获取字段列表 {@code 过滤数据库中不存在的字段，以及自增列}
 *
 * @param t          对象
 * @param ignoreNull 是否忽略空值
 * @return 字段列表
 */
private List<Field> getField(T t, Boolean ignoreNull) {
	// 获取所有字段，包含父类中的字段
	Field[] fields = ReflectUtil.getFields(t.getClass());

	// 过滤数据库中不存在的字段，以及自增列
	List<Field> filterField;
	Stream<Field> fieldStream = CollUtil.toList(fields).stream().filter(field -> ObjectUtil.isNull(field.getAnnotation(Ignore.class)) || ObjectUtil.isNull(field.getAnnotation(Pk.class)));

	// 是否过滤字段值为null的字段
	if (ignoreNull) {
		filterField = fieldStream.filter(field -> ObjectUtil.isNotNull(ReflectUtil.getFieldValue(t, field))).collect(Collectors.toList());
	} else {
		filterField = fieldStream.collect(Collectors.toList());
	}
	return filterField;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 根据对象查询
 *
 * @param t 查询条件
 * @return 对象列表
 */
public List<T> findByExample(T t) {
	String tableName = getTableName(t);
	List<Field> filterField = getField(t, true);
	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> " and " + s + " = ? ").collect(Collectors.toList());

	String where = StrUtil.join(" ", columns);
	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("SELECT * FROM {table} where 1=1 {where}", Dict.create().set("table", tableName).set("where", StrUtil.isBlank(where) ? "" : where));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	List<Map<String, Object>> maps = jdbcTemplate.queryForList(sql, values);
	List<T> ret = CollUtil.newArrayList();
	maps.forEach(map -> ret.add(BeanUtil.fillBeanWithMap(map, ReflectUtil.newInstance(clazz), true, false)));
	return ret;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用根据主键更新，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param pk         主键
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer updateById(T t, P pk, Boolean ignoreNull) {
	String tableName = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> StrUtil.appendIfMissing(s, " = ?")).collect(Collectors.toList());
	String params = StrUtil.join(Const.SEPARATOR_COMMA, columns);

	// 构造值
	List<Object> valueList = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).collect(Collectors.toList());
	valueList.add(pk);

	Object[] values = ArrayUtil.toArray(valueList, Object.class);

	String sql = StrUtil.format("UPDATE {table} SET {params} where id = ?", Dict.create().set("table", tableName).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用插入，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer insert(T t, Boolean ignoreNull) {
	String table = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	String columns = StrUtil.join(Const.SEPARATOR_COMMA, columnList);

	// 构造占位符
	String params = StrUtil.repeatAndJoin("?", columnList.size(), Const.SEPARATOR_COMMA);

	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("INSERT INTO {table} ({columns}) VALUES ({params})", Dict.create().set("table", table).set("columns", columns).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: NoBootTest.java From zuihou-admin-cloud with Apache License 2.0

6 votes

@Test
public void test() {
    TestModel obj = new TestModel();
    obj.setStation(new RemoteData<>(101L));
    obj.setOrg2(new RemoteData<>(101L));

    Field[] fields = ReflectUtil.getFields(obj.getClass());
    for (Field field : fields) {
        InjectionField anno = field.getDeclaredAnnotation(InjectionField.class);
        if (anno == null) {
            continue;
        }
        field.setAccessible(true);

        String api = anno.api();
        Class<?> feign = anno.feign();

        if (StrUtil.isEmpty(api) && Object.class.equals(feign)) {
            log.warn("忽略注入字段: {}.{}", field.getType(), field.getName());
            continue;
        }


    }
}

Source File: I18nTransformUtil.java From scaffold-cloud with MIT License

6 votes

/**
 * @param object    需要被转换的对象 需要有i18nNid属性 存储标识
 * @param fieldName 需要被转换的字段名
 * @param <T>       泛型
 * @return 原对象转换后
 */
public static <T> T transForm(T object, String fieldName) {
    Object i18nId = ReflectUtil.getFieldValue(object, "i18nNid");
    MessageSource messageSource = SpringContextHolder.getBean("messageSource");
    if (Objects.nonNull(i18nId)) {
        String name = null;
        try {
            name = messageSource.getMessage(i18nId.toString(), null, LocaleContextHolder.getLocale());
            if (StrUtil.isNotBlank(name)) {
                if(name.equals(i18nId)){
                    log.warn("i18n:{}对应的国际化配置在数据库不存在，请检查！", i18nId);
                }else{
                    ReflectUtil.setFieldValue(object, fieldName, name);
                }
            }else{
                log.warn("获取的国际化属性{}不合法,i18nNid:{}，语言：{}", fieldName, i18nId, LocaleContextHolder.getLocale());
            }
        } catch (NoSuchMessageException e) {
            log.error("NoSuchMessageException=> 国际化属性{}不合法,i18nNid:{}，语言：{}", fieldName, i18nId, LocaleContextHolder.getLocale());
        }
    } else {
        log.warn("存在不合法的i18nId");
    }
    return object;
}

Source File: MessageController.java From spring-boot-demo with MIT License

6 votes

/**
 * 判断Bean是否为空对象或者空白字符串，空对象表示本身为<code>null</code>或者所有属性都为<code>null</code>
 *
 * @param bean Bean对象
 * @return 是否为空，<code>true</code> - 空 / <code>false</code> - 非空
 */
private boolean isBlank(Object bean) {
    if (null != bean) {
        for (Field field : ReflectUtil.getFields(bean.getClass())) {
            Object fieldValue = ReflectUtil.getFieldValue(bean, field);
            if (null != fieldValue) {
                if (fieldValue instanceof String && StrUtil.isNotBlank((String) fieldValue)) {
                    return false;
                } else if (!(fieldValue instanceof String)) {
                    return false;
                }
            }
        }
    }
    return true;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 根据对象查询
 *
 * @param t 查询条件
 * @return 对象列表
 */
public List<T> findByExample(T t) {
	String tableName = getTableName(t);
	List<Field> filterField = getField(t, true);
	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> " and " + s + " = ? ").collect(Collectors.toList());

	String where = StrUtil.join(" ", columns);
	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("SELECT * FROM {table} where 1=1 {where}", Dict.create().set("table", tableName).set("where", StrUtil.isBlank(where) ? "" : where));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	List<Map<String, Object>> maps = jdbcTemplate.queryForList(sql, values);
	List<T> ret = CollUtil.newArrayList();
	maps.forEach(map -> ret.add(BeanUtil.fillBeanWithMap(map, ReflectUtil.newInstance(clazz), true, false)));
	return ret;
}

Source File: IocHelper.java From openAGV with Apache License 2.0

6 votes

private static Object getDbInjectDao(Field field, Class<?> paramTypeClass) {
        String key = paramTypeClass.getName();
        Object dbDaoObj = DB_DAO_MAP.get(key);
        if (ToolsKit.isEmpty(dbDaoObj)) {
            String dbClientId = "";
            if (null != field) {
                DbClient dbClient = field.getAnnotation(DbClient.class);
                dbClientId = ToolsKit.isNotEmpty(dbClient) ? dbClient.id() : "";
                if (ToolsKit.isEmpty(dbClientId)) {
                    Import importAnn = field.getAnnotation(Import.class);
                    dbClientId = importAnn.client();
                }
            }
//            List<?> proxyList = null;
//            dbDaoObj =  MongoUtils.getMongoDao(dbClientId, paramTypeClass, proxyList);
            dbDaoObj = ReflectUtil.newInstance(MongoDao.class, dbClientId, paramTypeClass);
            DB_DAO_MAP.put(key, dbDaoObj);
        }
        return DB_DAO_MAP.get(key);
    }

Source File: RouteHelper.java From openAGV with Apache License 2.0

6 votes

private void routeAction() {
    if (isRestart()) {
        return;
    }
    if (ACTION_ROUTE_MAP.isEmpty()) {
        List<Class<?>> actionClassList = ClassHelper.duang().getActionClassList();
        if (ToolsKit.isEmpty(actionClassList)) {
            LOG.info("工站逻辑处理类为空,退出routeAction方法");
            return;
        }
        for (Class<?> actionClass : actionClassList) {
            Action actionAonn = actionClass.getAnnotation(Action.class);
            if (ToolsKit.isEmpty(actionAonn)) {
                continue;
            }
            IAction action = (IAction) ReflectUtil.newInstance(actionClass);
            if (ToolsKit.isNotEmpty(action)) {
                String key = action.actionKey();
                Route route = new Route(key, action);
                ACTION_ROUTE_MAP.put(key, route);
                BeanHelper.duang().setBean(route.getServiceObj());
            }
        }
        printActionKey();
    }
}

Source File: RouteHelper.java From openAGV with Apache License 2.0

6 votes

private void routeListener() {
    if (LISTENER_ROUTE_MAP.isEmpty()) {
        List<Class<?>> listenerClassList = ClassHelper.duang().getListenerClassList();
        if (ToolsKit.isEmpty(listenerClassList)) {
            LOG.info("监听器类为空,退出routeListener方法");
            return;
        }
        for (Class<?> listenerClass : listenerClassList) {
            Listener listenerAnnot = listenerClass.getAnnotation(Listener.class);
            if (ToolsKit.isEmpty(listenerAnnot)) {
                continue;
            }
            EventListener eventListener = (EventListener) ReflectUtil.newInstance(listenerClass);
            if (ToolsKit.isNotEmpty(eventListener)) {
                String key = listenerAnnot.key();
                if (ToolsKit.isEmpty(key)) {
                    key = listenerClass.getName();
                }
                Route route = new Route(key, eventListener);
                LISTENER_ROUTE_MAP.put(key, route);
                BeanHelper.duang().setBean(route.getServiceObj());
            }
        }
        printListenetKey();
    }
}

Source File: ActionRequest.java From openAGV with Apache License 2.0

6 votes

public static String callServiceMethod(ServiceRequestDto serviceRequestDto) {
    Object service = BeanHelper.duang().getBean(serviceRequestDto.getServiceClass());
    if (ToolsKit.isEmpty(service)) {
        throw new RobotException("根据["+serviceRequestDto.getServiceClass().getName()+"]没有找到实例对象，请检查！");
    }
    try {
        Object resultObj = ReflectUtil.invoke(service, serviceRequestDto.getMethodName(), serviceRequestDto.getParam());
        String result = "";
        if (resultObj instanceof String) {
            result = resultObj.toString();
        } else if (resultObj instanceof IProtocol) {
            result = ((IProtocol) resultObj).getParams();
        }
        return result;
    } catch (Exception e) {
        throw new RobotException(e.getMessage(), e);
    }
}

Source File: BeanPropertyRowMapper.java From yue-library with Apache License 2.0

6 votes

/**
 * Initialize the mapping meta-data for the given class.
 * @param mappedClass the mapped class
 */
protected void initialize(Class<T> mappedClass) {
	this.mappedClass = mappedClass;
	this.mappedFields = new HashMap<>();
	this.mappedProperties = new HashSet<>();
	PropertyDescriptor[] pds = BeanUtils.getPropertyDescriptors(mappedClass);
	for (PropertyDescriptor pd : pds) {
		if (pd.getWriteMethod() != null) {
			String databaseFieldName = AnnotationUtil.getAnnotationValue(ReflectUtil.getField(mappedClass, pd.getName()), FieldName.class);
			if (StrUtil.isNotEmpty(databaseFieldName)) {
				this.mappedFields.put(databaseFieldName, pd);
			} else {
				this.mappedFields.put(lowerCaseName(pd.getName()), pd);
				String underscoredName = underscoreName(pd.getName());
				if (!lowerCaseName(pd.getName()).equals(underscoredName)) {
					this.mappedFields.put(underscoredName, pd);
				}
			}
			
			this.mappedProperties.add(pd.getName());
		}
	}
}

Source File: NoBootTest.java From zuihou-admin-boot with Apache License 2.0

6 votes

@Test
public void test() {
    TestModel obj = new TestModel();
    obj.setStation(new RemoteData<>(101L));
    obj.setOrg2(new RemoteData<>(101L));

    Field[] fields = ReflectUtil.getFields(obj.getClass());
    for (Field field : fields) {
        InjectionField anno = field.getDeclaredAnnotation(InjectionField.class);
        if (anno == null) {
            continue;
        }
        field.setAccessible(true);

        String api = anno.api();
        Class<?> feign = anno.feign();

        if (StrUtil.isEmpty(api) && Object.class.equals(feign)) {
            log.warn("忽略注入字段: {}.{}", field.getType(), field.getName());
            continue;
        }


    }
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 获取字段列表 {@code 过滤数据库中不存在的字段，以及自增列}
 *
 * @param t          对象
 * @param ignoreNull 是否忽略空值
 * @return 字段列表
 */
private List<Field> getField(T t, Boolean ignoreNull) {
	// 获取所有字段，包含父类中的字段
	Field[] fields = ReflectUtil.getFields(t.getClass());

	// 过滤数据库中不存在的字段，以及自增列
	List<Field> filterField;
	Stream<Field> fieldStream = CollUtil.toList(fields).stream().filter(field -> ObjectUtil.isNull(field.getAnnotation(Ignore.class)) || ObjectUtil.isNull(field.getAnnotation(Pk.class)));

	// 是否过滤字段值为null的字段
	if (ignoreNull) {
		filterField = fieldStream.filter(field -> ObjectUtil.isNotNull(ReflectUtil.getFieldValue(t, field))).collect(Collectors.toList());
	} else {
		filterField = fieldStream.collect(Collectors.toList());
	}
	return filterField;
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用根据主键更新，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param pk         主键
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer updateById(T t, P pk, Boolean ignoreNull) {
	String tableName = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	List<String> columns = columnList.stream().map(s -> StrUtil.appendIfMissing(s, " = ?")).collect(Collectors.toList());
	String params = StrUtil.join(Const.SEPARATOR_COMMA, columns);

	// 构造值
	List<Object> valueList = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).collect(Collectors.toList());
	valueList.add(pk);

	Object[] values = ArrayUtil.toArray(valueList, Object.class);

	String sql = StrUtil.format("UPDATE {table} SET {params} where id = ?", Dict.create().set("table", tableName).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: BaseDao.java From spring-boot-demo with MIT License

6 votes

/**
 * 通用插入，自增列需要添加 {@link Pk} 注解
 *
 * @param t          对象
 * @param ignoreNull 是否忽略 null 值
 * @return 操作的行数
 */
protected Integer insert(T t, Boolean ignoreNull) {
	String table = getTableName(t);

	List<Field> filterField = getField(t, ignoreNull);

	List<String> columnList = getColumns(filterField);

	String columns = StrUtil.join(Const.SEPARATOR_COMMA, columnList);

	// 构造占位符
	String params = StrUtil.repeatAndJoin("?", columnList.size(), Const.SEPARATOR_COMMA);

	// 构造值
	Object[] values = filterField.stream().map(field -> ReflectUtil.getFieldValue(t, field)).toArray();

	String sql = StrUtil.format("INSERT INTO {table} ({columns}) VALUES ({params})", Dict.create().set("table", table).set("columns", columns).set("params", params));
	log.debug("【执行SQL】SQL：{}", sql);
	log.debug("【执行SQL】参数：{}", JSONUtil.toJsonStr(values));
	return jdbcTemplate.update(sql, values);
}

Source File: ClassUtil.java From albedo with GNU Lesser General Public License v3.0

5 votes

/**
 * 调用Setter方法, 仅匹配方法名。 支持多级，如：对象名.对象名.方法
 */
public static void invokeSetter(Object obj, String propertyName, Object value) {
	Object object = obj;
	String[] names = StringUtil.split(propertyName, StringUtil.DOT);
	for (int i = 0; i < names.length; i++) {
		if (i < names.length - 1) {
			object = ReflectUtil.invoke(object, GETTER_PREFIX + StringUtil.upperFirst(names[i]),
				value);
		} else {
			ReflectUtil.invoke(object, SETTER_PREFIX + StringUtil.upperFirst(names[i]),
				value);
		}
	}
}

Source File: TaskHandler.java From openAGV with Apache License 2.0

5 votes

/***
 * 执行任务处理
 * @param target 方法名
 * @param request 请求对象
 * @param response 返回对象
 * @throws Exception
 */
public IResponse doHandler(String target, IRequest request, IResponse response) throws Exception {
    String deviceId = request.getProtocol().getDeviceId();
    try {
        Route route = RouteHelper.duang().getRoutes().get(deviceId);
        if (null == route) {
            return emptyRouteOrMehtod(deviceId, target, request, (BaseResponse) response);
        }
        Method method = route.getMethodMap().get(target.toLowerCase());
        // 如果Service里没有实现该指令对应的方法，则执行公用的duang方法，直接返回响应协议，防止抛出异常
        if (ToolsKit.isEmpty(method)) {
            return emptyRouteOrMehtod(deviceId, target, request, (BaseResponse) response);
        }
        Object resultObj = ReflectUtil.invoke(route.getServiceObj(), method, request, response);
        // 如果是同一个请求响应单元并且rawContent值为空，则写入响应对象
        if (response.isResponseTo(request) &&
                ToolsKit.isEmpty(response.getRawContent())  &&
                ToolsKit.isNotEmpty(resultObj)) {
            response.write(resultObj);
        }
        // 如果响应对象不为空，但没有设置响应内容，则抛出异常
        if (ToolsKit.isNotEmpty(resultObj) && ToolsKit.isEmpty(response.getRawContent())) {
            throw new RobotException(ExceptionEnums.RESPONSE_RAW_NULL);
        }
    } catch (Exception e) {
        if (e instanceof InvocationTargetException) {
            InvocationTargetException ite = (InvocationTargetException) e;
            Throwable t = ite.getTargetException();// 获取目标异常
            throw new RobotException(t.getMessage(), t);
        } else {
            throw new RobotException(e.getMessage(), e);
        }
    }
    return response;
}

Source File: PageUtil.java From spring-boot-demo with MIT License

5 votes

/**
 * 校验分页参数，为NULL，设置分页参数默认值
 *
 * @param condition 查询参数
 * @param clazz     类
 * @param <T>       {@link PageCondition}
 */
public static <T extends PageCondition> void checkPageCondition(T condition, Class<T> clazz) {
    if (ObjectUtil.isNull(condition)) {
        condition = ReflectUtil.newInstance(clazz);
    }
    // 校验分页参数
    if (ObjectUtil.isNull(condition.getCurrentPage())) {
        condition.setCurrentPage(Consts.DEFAULT_CURRENT_PAGE);
    }
    if (ObjectUtil.isNull(condition.getPageSize())) {
        condition.setPageSize(Consts.DEFAULT_PAGE_SIZE);
    }
}

Source File: QueryWrapperUtil.java From albedo with GNU Lesser General Public License v3.0

5 votes

public static <T> QueryWrapper<T> getWrapper(Object query) {
	QueryWrapper<T> entityWrapper = Wrappers.query();
	if (query == null) {
		return entityWrapper;
	}
	Field[] fields = ReflectUtil.getFields(query.getClass());
	try {
		for (Field field : fields) {
			boolean accessible = field.isAccessible();
			field.setAccessible(true);
			Query q = field.getAnnotation(Query.class);
			if (q != null) {
				String propName = q.propName();
				String blurry = q.blurry();
				String attributeName = StringUtil.isEmpty(propName) ? StringUtil.toRevertCamelCase(field.getName(), CharUtil.UNDERLINE) : propName;
				Object val = field.get(query);
				if (cn.hutool.core.util.ObjectUtil.isNull(val) || "".equals(val)) {
					continue;
				}
				// 模糊多字段
				if (cn.hutool.core.util.ObjectUtil.isNotEmpty(blurry)) {
					String[] blurrys = blurry.split(",");
					entityWrapper.and(i -> {
						for (String s : blurrys) {
							i.or().like(s, val.toString());
						}
					});
					continue;
				}
				parseWarpper(entityWrapper, q, attributeName, val);
			}
			field.setAccessible(accessible);
		}
	} catch (Exception e) {
		log.error(e.getMessage(), e);
	}
	return entityWrapper;
}

cn.hutool.core.util.ReflectUtil Java Examples