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再次调整项目结构 x 2

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YunaiV
2021-04-28 01:09:35 +08:00
parent 533cd1d33d
commit f99d48a79b
207 changed files with 563 additions and 377 deletions
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97
yudao-framework/src/main/java/cn/iocoder/dashboard/util/AssertUtils.java Normal file
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package cn.iocoder.dashboard.util;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.iocoder.dashboard.common.exception.ErrorCode;
import cn.iocoder.dashboard.common.exception.ServiceException;
import cn.iocoder.dashboard.common.exception.util.ServiceExceptionUtil;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.function.Executable;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Objects;
import static org.junit.jupiter.api.Assertions.assertThrows;
/**
* 单元测试，assert 断言工具类
*
* @author 芋道源码
*/
public class AssertUtils {
/**
* 比对两个对象的属性是否一致
*
* 注意，如果 expected 存在的属性，actual 不存在的时候，会进行忽略
*
* @param expected 期望对象
* @param actual 实际对象
* @param ignoreFields 忽略的属性数组
*/
public static void assertPojoEquals(Object expected, Object actual, String... ignoreFields) {
Field[] expectedFields = ReflectUtil.getFields(expected.getClass());
Arrays.stream(expectedFields).forEach(expectedField -> {
// 如果是忽略的属性，则不进行比对
if (ArrayUtil.contains(ignoreFields, expectedField.getName())) {
return;
}
// 忽略不存在的属性
Field actualField = ReflectUtil.getField(actual.getClass(), expectedField.getName());
if (actualField == null) {
return;
}
// 比对
Assertions.assertEquals(
ReflectUtil.getFieldValue(expected, expectedField),
ReflectUtil.getFieldValue(actual, actualField),
String.format("Field(%s) 不匹配", expectedField.getName())
);
});
}
/**
* 比对两个对象的属性是否一致
*
* 注意，如果 expected 存在的属性，actual 不存在的时候，会进行忽略
*
* @param expected 期望对象
* @param actual 实际对象
* @param ignoreFields 忽略的属性数组
* @return 是否一致
*/
public static boolean isPojoEquals(Object expected, Object actual, String... ignoreFields) {
Field[] expectedFields = ReflectUtil.getFields(expected.getClass());
return Arrays.stream(expectedFields).allMatch(expectedField -> {
// 如果是忽略的属性，则不进行比对
if (ArrayUtil.contains(ignoreFields, expectedField.getName())) {
return true;
}
// 忽略不存在的属性
Field actualField = ReflectUtil.getField(actual.getClass(), expectedField.getName());
if (actualField == null) {
return true;
}
return Objects.equals(ReflectUtil.getFieldValue(expected, expectedField),
ReflectUtil.getFieldValue(actual, actualField));
});
}
/**
* 执行方法，校验抛出的 Service 是否符合条件
*
* @param executable 业务异常
* @param errorCode 错误码对象
* @param messageParams 消息参数
*/
public static void assertServiceException(Executable executable, ErrorCode errorCode, Object... messageParams) {
// 调用方法
ServiceException serviceException = assertThrows(ServiceException.class, executable);
// 校验错误码
Assertions.assertEquals(errorCode.getCode(), serviceException.getCode(), "错误码不匹配");
String message = ServiceExceptionUtil.doFormat(errorCode.getCode(), errorCode.getMsg(), messageParams);
Assertions.assertEquals(message, serviceException.getMessage(), "错误提示不匹配");
}
}

106
yudao-framework/src/main/java/cn/iocoder/dashboard/util/RandomUtils.java Normal file
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package cn.iocoder.dashboard.util;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.RandomUtil;
import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
import cn.iocoder.dashboard.modules.system.dal.dataobject.user.SysUserDO;
import uk.co.jemos.podam.api.PodamFactory;
import uk.co.jemos.podam.api.PodamFactoryImpl;
import java.lang.reflect.Type;
import java.util.*;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* 随机工具类
*
* @author 芋道源码
*/
public class RandomUtils {
private static final int RANDOM_STRING_LENGTH = 10;
private static final int RANDOM_DATE_MAX = 30;
private static final int RANDOM_COLLECTION_LENGTH = 5;
private static final PodamFactory PODAM_FACTORY = new PodamFactoryImpl();
static {
// 字符串
PODAM_FACTORY.getStrategy().addOrReplaceTypeManufacturer(String.class,
(dataProviderStrategy, attributeMetadata, map) -> randomString());
// Boolean
PODAM_FACTORY.getStrategy().addOrReplaceTypeManufacturer(Boolean.class, (dataProviderStrategy, attributeMetadata, map) -> {
// 如果是 deleted 的字段，返回非删除
if (attributeMetadata.getAttributeName().equals("deleted")) {
return false;
}
return RandomUtil.randomBoolean();
});
}
public static String randomString() {
return RandomUtil.randomString(RANDOM_STRING_LENGTH);
}
public static Long randomLongId() {
return RandomUtil.randomLong(0, Long.MAX_VALUE);
}
public static Integer randomInteger() {
return RandomUtil.randomInt(0, Integer.MAX_VALUE);
}
public static Date randomDate() {
return RandomUtil.randomDay(0, RANDOM_DATE_MAX);
}
public static Short randomShort() {
return (short) RandomUtil.randomInt(0, Short.MAX_VALUE);
}
public static <T> Set<T> randomSet(Class<T> clazz) {
return Stream.iterate(0, i -> i).limit(RandomUtil.randomInt(0, RANDOM_DATE_MAX))
.map(i -> randomPojo(clazz)).collect(Collectors.toSet());
}
public static Integer randomCommonStatus() {
return RandomUtil.randomEle(CommonStatusEnum.values()).getStatus();
}
@SafeVarargs
public static SysUserDO randomUserDO(Consumer<SysUserDO>... consumers) {
return randomPojo(SysUserDO.class, consumers);
}
@SafeVarargs
public static <T> T randomPojo(Class<T> clazz, Consumer<T>... consumers) {
T pojo = PODAM_FACTORY.manufacturePojo(clazz);
// 非空时，回调逻辑。通过它，可以实现 Pojo 的进一步处理
if (ArrayUtil.isNotEmpty(consumers)) {
Arrays.stream(consumers).forEach(consumer -> consumer.accept(pojo));
}
return pojo;
}
@SafeVarargs
public static <T> T randomPojo(Class<T> clazz, Type type, Consumer<T>... consumers) {
T pojo = PODAM_FACTORY.manufacturePojo(clazz, type);
// 非空时，回调逻辑。通过它，可以实现 Pojo 的进一步处理
if (ArrayUtil.isNotEmpty(consumers)) {
Arrays.stream(consumers).forEach(consumer -> consumer.accept(pojo));
}
return pojo;
}
@SafeVarargs
public static <T> List<T> randomPojoList(Class<T> clazz, Consumer<T>... consumers) {
int size = RandomUtil.randomInt(0, RANDOM_COLLECTION_LENGTH);
return Stream.iterate(0, i -> i).limit(size).map(o -> randomPojo(clazz, consumers))
.collect(Collectors.toList());
}
}

33
yudao-framework/src/main/java/cn/iocoder/dashboard/util/collection/ArrayUtils.java Normal file
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package cn.iocoder.dashboard.util.collection;
import cn.hutool.core.util.ArrayUtil;
import java.util.function.Consumer;
/**
* Array 工具类
*
* @author 芋道源码
*/
public class ArrayUtils {
/**
* 将 object 和 newElements 合并成一个数组
*
* @param object 对象
* @param newElements 数组
* @param <T> 泛型
* @return 结果数组
*/
@SafeVarargs
public static <T> Consumer<T>[] append(Consumer<T> object, Consumer<T>... newElements) {
if (object == null) {
return newElements;
}
Consumer<T>[] result = ArrayUtil.newArray(Consumer.class, 1 + newElements.length);
result[0] = object;
System.arraycopy(newElements, 0, result, 1, newElements.length);
return result;
}
}

150
yudao-framework/src/main/java/cn/iocoder/dashboard/util/collection/CollectionUtils.java Normal file
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package cn.iocoder.dashboard.util.collection;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import java.util.*;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Collectors;
/**
* Collection 工具类
*
* @author 芋道源码
*/
public class CollectionUtils {
public static boolean containsAny(Object source, Object... targets) {
return Arrays.asList(targets).contains(source);
}
public static boolean isAnyEmpty(Collection<?>... collections) {
return Arrays.stream(collections).anyMatch(CollectionUtil::isEmpty);
}
public static <T> List<T> filterList(Collection<T> from, Predicate<T> predicate) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().filter(predicate).collect(Collectors.toList());
}
public static <T, R> List<T> distinct(Collection<T> from, Function<T, R> keyMapper) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return distinct(from, keyMapper, (t1, t2) -> t1);
}
public static <T, R> List<T> distinct(Collection<T> from, Function<T, R> keyMapper, BinaryOperator<T> cover) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return new ArrayList<>(convertMap(from, keyMapper, Function.identity(), cover).values());
}
public static <T, U> List<U> convertList(Collection<T> from, Function<T, U> func) {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().map(func).collect(Collectors.toList());
}
public static <T, U> Set<U> convertSet(Collection<T> from, Function<T, U> func) {
if (CollUtil.isEmpty(from)) {
return new HashSet<>();
}
return from.stream().map(func).collect(Collectors.toSet());
}
public static <T, K> Map<K, T> convertMap(Collection<T> from, Function<T, K> keyFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return convertMap(from, keyFunc, Function.identity());
}
public static <T, K> Map<K, T> convertMap(Collection<T> from, Function<T, K> keyFunc, Supplier<? extends Map<K, T>> supplier) {
if (CollUtil.isEmpty(from)) {
return supplier.get();
}
return convertMap(from, keyFunc, Function.identity(), supplier);
}
public static <T, K, V> Map<K, V> convertMap(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return convertMap(from, keyFunc, valueFunc, (v1, v2) -> v1);
}
public static <T, K, V> Map<K, V> convertMap(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc, BinaryOperator<V> mergeFunction) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return convertMap(from, keyFunc, valueFunc, mergeFunction, HashMap::new);
}
public static <T, K, V> Map<K, V> convertMap(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc, Supplier<? extends Map<K, V>> supplier) {
if (CollUtil.isEmpty(from)) {
return supplier.get();
}
return convertMap(from, keyFunc, valueFunc, (v1, v2) -> v1, supplier);
}
public static <T, K, V> Map<K, V> convertMap(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc, BinaryOperator<V> mergeFunction, Supplier<? extends Map<K, V>> supplier) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.toMap(keyFunc, valueFunc, mergeFunction, supplier));
}
public static <T, K> Map<K, List<T>> convertMultiMap(Collection<T> from, Function<T, K> keyFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.groupingBy(keyFunc, Collectors.mapping(t -> t, Collectors.toList())));
}
public static <T, K, V> Map<K, List<V>> convertMultiMap(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream()
.collect(Collectors.groupingBy(keyFunc, Collectors.mapping(valueFunc, Collectors.toList())));
}
// 暂时没想好名字，先以 2 结尾噶
public static <T, K, V> Map<K, Set<V>> convertMultiMap2(Collection<T> from, Function<T, K> keyFunc, Function<T, V> valueFunc) {
if (CollUtil.isEmpty(from)) {
return new HashMap<>();
}
return from.stream().collect(Collectors.groupingBy(keyFunc, Collectors.mapping(valueFunc, Collectors.toSet())));
}
public static boolean containsAny(Collection<?> source, Collection<?> candidates) {
return org.springframework.util.CollectionUtils.containsAny(source, candidates);
}
public static <T> T getFirst(List<T> from) {
return !CollectionUtil.isEmpty(from) ? from.get(0) : null;
}
public static <T> T findFirst(List<T> from, Predicate<T> predicate) {
if (CollUtil.isEmpty(from)) {
return null;
}
return from.stream().filter(predicate).findFirst().orElse(null);
}
public static <T> void addIfNotNull(Collection<T> coll, T item) {
if (item == null) {
return;
}
coll.add(item);
}
}

66
yudao-framework/src/main/java/cn/iocoder/dashboard/util/collection/MapUtils.java Normal file
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package cn.iocoder.dashboard.util.collection;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.iocoder.dashboard.common.core.KeyValue;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
/**
* Map 工具类
*
* @author 芋道源码
*/
public class MapUtils {
/**
* 从哈希表表中，获得 keys 对应的所有 value 数组
*
* @param multimap 哈希表
* @param keys keys
* @return value 数组
*/
public static <K, V> List<V> getList(Multimap<K, V> multimap, Collection<K> keys) {
List<V> result = new ArrayList<>();
keys.forEach(k -> {
Collection<V> values = multimap.get(k);
if (CollectionUtil.isEmpty(values)) {
return;
}
result.addAll(values);
});
return result;
}
/**
* 从哈希表查找到 key 对应的 value，然后进一步处理
* 注意，如果查找到的 value 为 null 时，不进行处理
*
* @param map 哈希表
* @param key key
* @param consumer 进一步处理的逻辑
*/
public static <K, V> void findAndThen(Map<K, V> map, K key, Consumer<V> consumer) {
if (CollUtil.isEmpty(map)) {
return;
}
V value = map.get(key);
if (value == null) {
return;
}
consumer.accept(value);
}
public static <K, V> Map<K, V> convertMap(List<KeyValue<K, V>> keyValues) {
Map<K, V> map = Maps.newLinkedHashMapWithExpectedSize(keyValues.size());
keyValues.forEach(keyValue -> map.put(keyValue.getKey(), keyValue.getValue()));
return map;
}
}

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/collection/SetUtils.java Normal file
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package cn.iocoder.dashboard.util.collection;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
/**
* Set 工具类
*
* @author 芋道源码
*/
public class SetUtils {
public static <T> Set<T> asSet(T... objs) {
return new HashSet<>(Arrays.asList(objs));
}
}

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/date/DateUtils.java Normal file
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package cn.iocoder.dashboard.util.date;
import java.time.Duration;
import java.util.Calendar;
import java.util.Date;
/**
* 时间工具类
*/
public class DateUtils {
/**
* 时区 - 默认
*/
public static final String TIME_ZONE_DEFAULT = "GMT+8";
public static final String FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND = "yyyy-MM-dd HH:mm:ss";
public static Date addTime(Duration duration) {
return new Date(System.currentTimeMillis() + duration.toMillis());
}
public static boolean isExpired(Date time) {
return System.currentTimeMillis() > time.getTime();
}
public static long diff(Date endTime, Date startTime) {
return endTime.getTime() - startTime.getTime();
}
/**
* 创建指定时间
*
* @param year 年
* @param mouth 月
* @param day 日
* @return 指定时间
*/
public static Date buildTime(int year, int mouth, int day) {
return buildTime(year, mouth, day, 0, 0, 0);
}
/**
* 创建指定时间
*
* @param year 年
* @param mouth 月
* @param day 日
* @param hour 小时
* @param minute 分钟
* @param second 秒
* @return 指定时间
*/
public static Date buildTime(int year, int mouth, int day,
int hour, int minute, int second) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, mouth - 1);
calendar.set(Calendar.DAY_OF_MONTH, day);
calendar.set(Calendar.HOUR_OF_DAY, hour);
calendar.set(Calendar.MINUTE, minute);
calendar.set(Calendar.SECOND, second);
calendar.set(Calendar.MILLISECOND, 0); // 一般情况下，都是 0 毫秒
return calendar.getTime();
}
public static Date max(Date a, Date b) {
if (a == null) {
return b;
}
if (b == null) {
return a;
}
return a.compareTo(b) > 0 ? a : b;
}
}

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/json/JsonUtils.java Normal file
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package cn.iocoder.dashboard.util.json;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.StrUtil;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* JSON 工具类
*
* @author 芋道源码
*/
public class JsonUtils {
private static ObjectMapper objectMapper = new ObjectMapper();
/**
* 初始化 objectMapper 属性
* <p>
* 通过这样的方式，使用 Spring 创建的 ObjectMapper Bean
*
* @param objectMapper ObjectMapper 对象
*/
public static void init(ObjectMapper objectMapper) {
JsonUtils.objectMapper = objectMapper;
}
public static String toJsonString(Object object) {
try {
return objectMapper.writeValueAsString(object);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
}
public static <T> T parseObject(String text, Class<T> clazz) {
if (StrUtil.isEmpty(text)) {
return null;
}
try {
return objectMapper.readValue(text, clazz);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static <T> T parseObject(byte[] bytes, Class<T> clazz) {
if (ArrayUtil.isEmpty(bytes)) {
return null;
}
try {
return objectMapper.readValue(bytes, clazz);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static <T> T parseObject(String text, TypeReference<T> typeReference) {
try {
return objectMapper.readValue(text, typeReference);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static <T> List<T> parseArray(String text, Class<T> clazz) {
if (StrUtil.isEmpty(text)) {
return new ArrayList<>();
}
try {
return objectMapper.readValue(text, objectMapper.getTypeFactory().constructCollectionType(List.class, clazz));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/object/ObjectUtils.java Normal file
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package cn.iocoder.dashboard.util.object;
import cn.hutool.core.util.ObjectUtil;
import java.util.function.Consumer;
/**
* Object 工具类
*
* @author 芋道源码
*/
public class ObjectUtils {
public static <T> T clone(T object, Consumer<T> consumer) {
T result = ObjectUtil.clone(object);
if (result != null) {
consumer.accept(result);
}
return result;
}
public static <T extends Comparable<T>> T max(T obj1, T obj2) {
if (obj1 == null) {
return obj2;
}
if (obj2 == null) {
return obj1;
}
return obj1.compareTo(obj2) > 0 ? obj1 : obj2;
}
}

7
yudao-framework/src/main/java/cn/iocoder/dashboard/util/package-info.java Normal file
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/**
* 对于工具类的选择，优先查找 Hutool 中有没对应的方法
* 如果没有，则自己封装对应的工具类，以 Utils 结尾，用于区分
*
* ps：如果担心 Hutool 存在坑的问题，可以阅读 Hutool 的实现源码，以确保可靠性。并且，可以补充相关的单元测试。
*/
package cn.iocoder.dashboard.util;

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/servlet/ServletUtils.java Normal file
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package cn.iocoder.dashboard.util.servlet;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.extra.servlet.ServletUtil;
import cn.iocoder.dashboard.util.json.JsonUtils;
import org.springframework.http.MediaType;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
/**
* 客户端工具类
*
* @author 芋道源码
*/
public class ServletUtils {
/**
* 返回 JSON 字符串
*
* @param response 响应
* @param object 对象，会序列化成 JSON 字符串
*/
@SuppressWarnings("deprecation") // 必须使用 APPLICATION_JSON_UTF8_VALUE，否则会乱码
public static void writeJSON(HttpServletResponse response, Object object) {
String content = JsonUtils.toJsonString(object);
ServletUtil.write(response, content, MediaType.APPLICATION_JSON_UTF8_VALUE);
}
/**
* 返回附件
*
* @param response 响应
* @param filename 文件名
* @param content 附件内容
* @throws IOException
*/
public static void writeAttachment(HttpServletResponse response, String filename, byte[] content) throws IOException {
// 设置 header 和 contentType
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8"));
response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
// 输出附件
IoUtil.write(response.getOutputStream(), false, content);
}
/**
* @param request 请求
* @return ua
*/
public static String getUserAgent(HttpServletRequest request) {
String ua = request.getHeader("User-Agent");
return ua != null ? ua : "";
}
/**
* 获得请求
*
* @return HttpServletRequest
*/
public static HttpServletRequest getRequest() {
RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
if (!(requestAttributes instanceof ServletRequestAttributes)) {
return null;
}
return ((ServletRequestAttributes) requestAttributes).getRequest();
}
public static String getUserAgent() {
HttpServletRequest request = getRequest();
if (request == null) {
return null;
}
return getUserAgent(request);
}
public static String getClientIP() {
HttpServletRequest request = getRequest();
if (request == null) {
return null;
}
return ServletUtil.getClientIP(request);
}
public static boolean isJsonRequest(ServletRequest request) {
return StrUtil.startWithIgnoreCase(request.getContentType(), MediaType.APPLICATION_JSON_VALUE);
}
}

46
yudao-framework/src/main/java/cn/iocoder/dashboard/util/sping/SpringAopUtils.java Normal file
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package cn.iocoder.dashboard.util.sping;
import cn.hutool.core.bean.BeanUtil;
import org.springframework.aop.framework.AdvisedSupport;
import org.springframework.aop.framework.AopProxy;
import org.springframework.aop.support.AopUtils;
/**
* Spring AOP 工具类
*
* 参考波克尔 http://www.bubuko.com/infodetail-3471885.html 实现
*/
public class SpringAopUtils {
/**
* 获取代理的目标对象
*
* @param proxy 代理对象
* @return 目标对象
*/
public static Object getTarget(Object proxy) throws Exception {
// 不是代理对象
if (!AopUtils.isAopProxy(proxy)) {
return proxy;
}
// Jdk 代理
if (AopUtils.isJdkDynamicProxy(proxy)) {
return getJdkDynamicProxyTargetObject(proxy);
}
// Cglib 代理
return getCglibProxyTargetObject(proxy);
}
private static Object getCglibProxyTargetObject(Object proxy) throws Exception {
Object dynamicAdvisedInterceptor = BeanUtil.getFieldValue(proxy, "CGLIB$CALLBACK_0");
AdvisedSupport advisedSupport = (AdvisedSupport) BeanUtil.getFieldValue(dynamicAdvisedInterceptor, "advised");
return advisedSupport.getTargetSource().getTarget();
}
private static Object getJdkDynamicProxyTargetObject(Object proxy) throws Exception {
AopProxy aopProxy = (AopProxy) BeanUtil.getFieldValue(proxy, "h");
AdvisedSupport advisedSupport = (AdvisedSupport) BeanUtil.getFieldValue(aopProxy, "advised");
return advisedSupport.getTargetSource().getTarget();
}
}

82
yudao-framework/src/main/java/cn/iocoder/dashboard/util/sping/SpringExpressionUtils.java Normal file
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package cn.iocoder.dashboard.util.sping;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ArrayUtil;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.core.DefaultParameterNameDiscoverer;
import org.springframework.core.ParameterNameDiscoverer;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Spring EL 表达式的工具类
*
* @author mashu
*/
public class SpringExpressionUtils {
private static final ExpressionParser EXPRESSION_PARSER = new SpelExpressionParser();
private static final ParameterNameDiscoverer PARAMETER_NAME_DISCOVERER = new DefaultParameterNameDiscoverer();
private SpringExpressionUtils() {
}
/**
* 从切面中，单个解析 EL 表达式的结果
*
* @param joinPoint 切面点
* @param expressionString EL 表达式数组
* @return 执行界面
*/
public static Object parseExpression(ProceedingJoinPoint joinPoint, String expressionString) {
Map<String, Object> result = parseExpressions(joinPoint, Collections.singletonList(expressionString));
return result.get(expressionString);
}
/**
* 从切面中，批量解析 EL 表达式的结果
*
* @param joinPoint 切面点
* @param expressionStrings EL 表达式数组
* @return 结果，key 为表达式，value 为对应值
*/
public static Map<String, Object> parseExpressions(ProceedingJoinPoint joinPoint, List<String> expressionStrings) {
// 如果为空，则不进行解析
if (CollUtil.isEmpty(expressionStrings)) {
return MapUtil.newHashMap();
}
// 第一步，构建解析的上下文 EvaluationContext
// 通过 joinPoint 获取被注解方法
MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();
Method method = methodSignature.getMethod();
// 使用 spring 的 ParameterNameDiscoverer 获取方法形参名数组
String[] paramNames = PARAMETER_NAME_DISCOVERER.getParameterNames(method);
// Spring 的表达式上下文对象
EvaluationContext context = new StandardEvaluationContext();
// 给上下文赋值
if (ArrayUtil.isNotEmpty(paramNames)) {
Object[] args = joinPoint.getArgs();
for (int i = 0; i < paramNames.length; i++) {
context.setVariable(paramNames[i], args[i]);
}
}
// 第二步，逐个参数解析
Map<String, Object> result = MapUtil.newHashMap(expressionStrings.size(), true);
expressionStrings.forEach(key -> {
Object value = EXPRESSION_PARSER.parseExpression(key).getValue(context);
result.put(key, value);
});
return result;
}
}

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yudao-framework/src/main/java/cn/iocoder/dashboard/util/string/StrUtils.java Normal file
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package cn.iocoder.dashboard.util.string;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import java.util.Map;
/**
* 字符串工具类
*
* @author 芋道源码
*/
public class StrUtils {
public static String maxLength(CharSequence str, int maxLength) {
return StrUtil.maxLength(str, maxLength - 3); // -3 的原因，是该方法会补充 ... 恰好
}
/**
* 指定字符串的
* @param str
* @param replaceMap
* @return
*/
public static String replace(String str, Map<String, String> replaceMap) {
assert StrUtil.isNotBlank(str);
if (ObjectUtil.isEmpty(replaceMap)) {
return str;
}
String result = null;
for (String key : replaceMap.keySet()) {
result = str.replace(key, replaceMap.get(key));
}
return result;
}
}