创建新模块 ams-common
当前目录结构
基础包封装
引入必备依赖
代码语言：javascript复制 <dependencies>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
</dependency>
</dependencies>
创建返回结果和响应实体
代码语言：javascript复制package com.ams.common.result;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
public interface IResultCode {
String getCode();
String getMsg();
}
package com.ams.common.result;
import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Data;
import java.io.Serializable;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Data
@JsonInclude(JsonInclude.Include.NON_NULL)
public class R<T> implements Serializable {
private String code;
private T data;
private String msg;
private Integer total;
public static <T> R<T> ok() {
return ok(null);
}
public static <T> R<T> ok(T data) {
ResultCode rce = ResultCode.SUCCESS;
if (data instanceof Boolean && Boolean.FALSE.equals(data)) {
rce = ResultCode.SYSTEM_EXECUTION_ERROR;
}
return result(rce, data);
}
public static <T> R<T> ok(T data, Long total) {
R<T> result = new R<>();
result.setCode(ResultCode.SUCCESS.getCode());
result.setMsg(ResultCode.SUCCESS.getMsg());
result.setData(data);
result.setTotal(total.intValue());
return result;
}
public static <T> R<T> failed() {
return result(ResultCode.SYSTEM_EXECUTION_ERROR.getCode(), ResultCode.SYSTEM_EXECUTION_ERROR.getMsg(), null);
}
public static <T> R<T> failed(String msg) {
return result(ResultCode.SYSTEM_EXECUTION_ERROR.getCode(), msg, null);
}
public static <T> R<T> judge(boolean status) {
if (status) {
return ok();
} else {
return failed();
}
}
public static <T> R<T> failed(IResultCode resultCode) {
return result(resultCode.getCode(), resultCode.getMsg(), null);
}
public static <T> R<T> failed(IResultCode resultCode, String msg) {
return result(resultCode.getCode(), msg, null);
}
private static <T> R<T> result(IResultCode resultCode, T data) {
return result(resultCode.getCode(), resultCode.getMsg(), data);
}
private static <T> R<T> result(String code, String msg, T data) {
R<T> result = new R<>();
result.setCode(code);
result.setData(data);
result.setMsg(msg);
return result;
}
public static boolean isSuccess(R<?> result) {
return result != null && ResultCode.SUCCESS.getCode().equals(result.getCode());
}
}
package com.ams.common.result;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;
import java.io.Serializable;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@AllArgsConstructor
@NoArgsConstructor
public enum ResultCode implements IResultCode, Serializable {
SUCCESS("000000", "成功"),
SYSTEM_EXECUTION_ERROR("999999", "系统执行出错"),
USERNAME_OR_PASSWORD_ERROR("A00100", "用户名或密码错误"),
USER_NOT_EXIST("A00101", "用户不存在"),
CLIENT_AUTHENTICATION_FAILED("A00212", "客户端认证失败"),
ACCESS_UNAUTHORIZED("A00213", "未授权"),
TOKEN_INVALID_OR_EXPIRED("A00214", "token非法或失效"),
TOKEN_ACCESS_FORBIDDEN("A00215", "token禁止访问"),
FLOW_LIMITING("B0210", "系统限流"),
DEGRADATION("B0220", "系统功能降级"),
SERVICE_NO_AUTHORITY("B0221", "服务未授权"),
;
@Override
public String getCode() {
return code;
}
@Override
public String getMsg() {
return msg;
}
private String code;
private String msg;
@Override
public String toString() {
return "{"
""code":"" code '"'
", "msg":"" msg '"'
'}';
}
}
这里目前就封装一些基本的
redis 封装
在ams-common下添加新模块 common-redis
引入依赖
代码语言：javascript复制 <dependencies>
<dependency>
<groupId>com.ams</groupId>
<artifactId>common-base</artifactId>
<version>${ams.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-pool2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
创建redis 配置文件
代码语言：javascript复制package com.ams.common.redis.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Configuration
@AutoConfigureBefore(RedisAutoConfiguration.class)
public class RedisConfig {
@Bean
public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(lettuceConnectionFactory);
// 用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
redisTemplate.setKeySerializer(stringRedisSerializer); // key
Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper objectMapper = new ObjectMapper();
// 指定要序列化的域(field,get,set)，访问修饰符(public,private,protected)
objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
redisTemplate.setValueSerializer(jackson2JsonRedisSerializer); //value
redisTemplate.setHashKeySerializer(stringRedisSerializer);
redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
redisTemplate.afterPropertiesSet();
return redisTemplate;
}
}
创建操作redis 工具类
代码语言：javascript复制package com.ams.common.redis.util;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Component
public class RedisUtils {
/**
* 注入redisTemplate bean
*/
@Autowired
private RedisTemplate<String, Object> redisTemplate;
/**
* 指定缓存失效时间
*
* @param key 键
* @param time 时间(秒)
* @return
*/
public boolean expire(String key, long time) {
try {
if (time > 0) {
redisTemplate.expire(key, time, TimeUnit.SECONDS);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 根据key获取过期时间
*
* @param key 键 不能为null
* @return 时间(秒) 返回0代表为永久有效
*/
public long getExpire(String key) {
return redisTemplate.getExpire(key, TimeUnit.SECONDS);
}
/**
* 判断key是否存在
*
* @param key 键
* @return true 存在 false不存在
*/
public boolean hasKey(String key) {
try {
return redisTemplate.hasKey(key);
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 删除缓存
*
* @param key 可以传一个值 或多个
*/
@SuppressWarnings("unchecked")
public void del(String... key) {
if (key != null && key.length > 0) {
if (key.length == 1) {
redisTemplate.delete(key[0]);
} else {
redisTemplate.delete((List<String>) CollectionUtils.arrayToList(key));
}
}
}
// ============================String(字符串)=============================
/**
* 普通缓存获取
*
* @param key 键
* @return 值
*/
public Object get(String key) {
return key == null ? null : redisTemplate.opsForValue().get(key);
}
/**
* 普通缓存放入
*
* @param key 键
* @param value 值
* @return true成功 false失败
*/
public boolean set(String key, Object value) {
try {
redisTemplate.opsForValue().set(key, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 普通缓存放入并设置时间
*
* @param key 键
* @param value 值
* @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
* @return true成功 false 失败
*/
public boolean set(String key, Object value, long time) {
try {
if (time > 0) {
redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
} else {
set(key, value);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 递增
*
* @param key 键
* @param delta 要增加几(大于0)
* @return
*/
public long incr(String key, long delta) {
if (delta < 0) {
throw new RuntimeException("递增因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, delta);
}
/**
* 递减
*
* @param key 键
* @param delta 要减少几(小于0)
* @return
*/
public long decr(String key, long delta) {
if (delta < 0) {
throw new RuntimeException("递减因子必须大于0");
}
return redisTemplate.opsForValue().increment(key, -delta);
}
// ================================Hash(哈希)=================================
/**
* HashGet
*
* @param key 键 不能为null
* @param item 项 不能为null
* @return 值
*/
public Object hget(String key, String item) {
return redisTemplate.opsForHash().get(key, item);
}
/**
* 获取hashKey对应的所有键值
*
* @param key 键
* @return 对应的多个键值
*/
public Map<Object, Object> hmget(String key) {
return redisTemplate.opsForHash().entries(key);
}
/**
* HashSet
*
* @param key 键
* @param map 对应多个键值
* @return true 成功 false 失败
*/
public boolean hmset(String key, Map<String, Object> map) {
try {
redisTemplate.opsForHash().putAll(key, map);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* HashSet 并设置时间
*
* @param key 键
* @param map 对应多个键值
* @param time 时间(秒)
* @return true成功 false失败
*/
public boolean hmset(String key, Map<String, Object> map, long time) {
try {
redisTemplate.opsForHash().putAll(key, map);
if (time > 0) {
expire(key, time);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 向一张hash表中放入数据,如果不存在将创建
*
* @param key 键
* @param item 项
* @param value 值
* @return true 成功 false失败
*/
public boolean hset(String key, String item, Object value) {
try {
redisTemplate.opsForHash().put(key, item, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 向一张hash表中放入数据,如果不存在将创建
*
* @param key 键
* @param item 项
* @param value 值
* @param time 时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
* @return true 成功 false失败
*/
public boolean hset(String key, String item, Object value, long time) {
try {
redisTemplate.opsForHash().put(key, item, value);
if (time > 0) {
expire(key, time);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 删除hash表中的值
*
* @param key 键 不能为null
* @param item 项 可以使多个 不能为null
*/
public void hdel(String key, Object... item) {
redisTemplate.opsForHash().delete(key, item);
}
/**
* 判断hash表中是否有该项的值
*
* @param key 键 不能为null
* @param item 项 不能为null
* @return true 存在 false不存在
*/
public boolean hHasKey(String key, String item) {
return redisTemplate.opsForHash().hasKey(key, item);
}
/**
* hash递增 如果不存在,就会创建一个 并把新增后的值返回
*
* @param key 键
* @param item 项
* @param by 要增加几(大于0)
* @return
*/
public double hincr(String key, String item, double by) {
return redisTemplate.opsForHash().increment(key, item, by);
}
/**
* hash递减
*
* @param key 键
* @param item 项
* @param by 要减少记(小于0)
* @return
*/
public double hdecr(String key, String item, double by) {
return redisTemplate.opsForHash().increment(key, item, -by);
}
// ============================Set(集合)=============================
/**
* 根据key获取Set中的所有值
*
* @param key 键
* @return
*/
public Set<Object> sGet(String key) {
try {
return redisTemplate.opsForSet().members(key);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 根据value从一个set中查询,是否存在
*
* @param key 键
* @param value 值
* @return true 存在 false不存在
*/
public boolean sHasKey(String key, Object value) {
try {
return redisTemplate.opsForSet().isMember(key, value);
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 将数据放入set缓存
*
* @param key 键
* @param values 值 可以是多个
* @return 成功个数
*/
public long sSet(String key, Object... values) {
try {
return redisTemplate.opsForSet().add(key, values);
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
/**
* 将set数据放入缓存
*
* @param key 键
* @param time 时间(秒)
* @param values 值 可以是多个
* @return 成功个数
*/
public long sSetAndTime(String key, long time, Object... values) {
try {
Long count = redisTemplate.opsForSet().add(key, values);
if (time > 0) {
expire(key, time);
}
return count;
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
/**
* 获取set缓存的长度
*
* @param key 键
* @return
*/
public long sGetSetSize(String key) {
try {
return redisTemplate.opsForSet().size(key);
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
/**
* 移除值为value的
*
* @param key 键
* @param values 值 可以是多个
* @return 移除的个数
*/
public long setRemove(String key, Object... values) {
try {
Long count = redisTemplate.opsForSet().remove(key, values);
return count;
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
// ===============================List(列表)=================================
/**
* 获取list缓存的内容
*
* @param key 键
* @param start 开始
* @param end 结束 0 到 -1代表所有值
* @return
*/
public List<Object> lGet(String key, long start, long end) {
try {
return redisTemplate.opsForList().range(key, start, end);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 获取list缓存的长度
*
* @param key 键
* @return
*/
public long lGetListSize(String key) {
try {
return redisTemplate.opsForList().size(key);
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
/**
* 通过索引 获取list中的值
*
* @param key 键
* @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
* @return
*/
public Object lGetIndex(String key, long index) {
try {
return redisTemplate.opsForList().index(key, index);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 将list放入缓存
*
* @param key 键
* @param value 值
* @return
*/
public boolean lSet(String key, Object value) {
try {
redisTemplate.opsForList().rightPush(key, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 将list放入缓存
*
* @param key 键
* @param value 值
* @param time 时间(秒)
* @return
*/
public boolean lSet(String key, Object value, long time) {
try {
redisTemplate.opsForList().rightPush(key, value);
if (time > 0) {
expire(key, time);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 将list放入缓存
*
* @param key 键
* @param value 值
* @return
*/
public boolean lSet(String key, List<Object> value) {
try {
redisTemplate.opsForList().rightPushAll(key, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 将list放入缓存
*
* @param key 键
* @param value 值
* @param time 时间(秒)
* @return
*/
public boolean lSet(String key, List<Object> value, long time) {
try {
redisTemplate.opsForList().rightPushAll(key, value);
if (time > 0) {
expire(key, time);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 根据索引修改list中的某条数据
*
* @param key 键
* @param index 索引
* @param value 值
* @return
*/
public boolean lUpdateIndex(String key, long index, Object value) {
try {
redisTemplate.opsForList().set(key, index, value);
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* 移除N个值为value
*
* @param key 键
* @param count 移除多少个
* @param value 值
* @return 移除的个数
*/
public long lRemove(String key, long count, Object value) {
try {
Long remove = redisTemplate.opsForList().remove(key, count, value);
return remove;
} catch (Exception e) {
e.printStackTrace();
return 0;
}
}
/**
* 根据正则表达式获取key列表
*
* @param patternKey 正则表达式
* @return 匹配key列表
*/
public Set<String> keys(String patternKey) {
try {
Set<String> keys = redisTemplate.keys(patternKey);
return keys;
} catch (Exception e) {
e.printStackTrace();
return new HashSet<>();
}
}
}
编写spring.factories，使配置自动注入
代码语言：javascript复制org.springframework.boot.autoconfigure.EnableAutoConfiguration=
com.ams.common.redis.config.RedisConfig,
com.ams.common.redis.util.RedisUtils
mybatisPlus 封装
在ams-common下添加新模块 common-mybatis-plus
引入依赖
代码语言：javascript复制 <dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
</dependency>
</dependencies>
配置mybatis-plus
创建自动注入配置文件
代码语言：javascript复制package com.ams.common.mybatis.handler;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
import java.time.LocalDateTime;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {
/**
* 新增填充创建时间
*
* @param metaObject
*/
@Override
public void insertFill(MetaObject metaObject) {
this.strictInsertFill(metaObject, "createTime", () -> LocalDateTime.now(), LocalDateTime.class);
this.strictUpdateFill(metaObject, "updateTime", () -> LocalDateTime.now(), LocalDateTime.class);
}
/**
* 更新填充更新时间
*
* @param metaObject
*/
@Override
public void updateFill(MetaObject metaObject) {
this.strictUpdateFill(metaObject, "updateTime", () -> LocalDateTime.now(), LocalDateTime.class);
}
}
创建主配置文件
代码语言：javascript复制package com.ams.common.mybatis.config;
import com.ams.common.mybatis.handler.MyMetaObjectHandler;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.autoconfigure.ConfigurationCustomizer;
import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.apache.ibatis.type.TypeHandlerRegistry;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Configuration
@EnableTransactionManagement
public class MybatisPlusConfig {
/**
* 分页插件
*/
@Bean
public MybatisPlusInterceptor mybatisPlusInterceptor() {
MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
return interceptor;
}
/**
* 自动填充数据库创建人、创建时间、更新人、更新时间
*/
@Bean
public GlobalConfig globalConfig() {
GlobalConfig globalConfig = new GlobalConfig();
globalConfig.setMetaObjectHandler(new MyMetaObjectHandler());
return globalConfig;
}
}
编写spring.factories，使配置自动注入
代码语言：javascript复制org.springframework.boot.autoconfigure.EnableAutoConfiguration=
com.ams.common.mybatis.config.MybatisPlusConfig,
com.ams.common.mybatis.handler.MyMetaObjectHandler
web组件封装
在ams-common 下添加common-web 模块
引入依赖
spring boot相关
代码语言：javascript复制 <dependency>
<groupId>com.ams</groupId>
<artifactId>common-base</artifactId>
<version>${ams.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
<optional>true</optional>
</dependency>
feign 相关
代码语言：javascript复制<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-core</artifactId>
</dependency>
<dependency>
<groupId>io.github.openfeign</groupId>
<artifactId>feign-httpclient</artifactId>
</dependency>
JWT相关
代码语言：javascript复制 <dependency>
<groupId>com.nimbusds</groupId>
<artifactId>nimbus-jose-jwt</artifactId>
</dependency>
创建配置文件
创建feign配置
主要是在服务间调用前，对头信息进行处理，将头信息无感知的从调用方传到被调用方，并且添加了调用方服务名，用来区分是哪个服务进行调用
代码语言：javascript复制/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Configuration
public class FeignConfig {
@Value("${spring.application.name}")
private String applicationName;
/**
* 让DispatcherServlet向子线程传递RequestContext
*
* @param servlet servlet
* @return 注册bean
*/
@Bean
public ServletRegistrationBean<DispatcherServlet> dispatcherRegistration(DispatcherServlet servlet) {
servlet.setThreadContextInheritable(true);
return new ServletRegistrationBean<>(servlet, "/**");
}
/**
* 覆写拦截器，在feign发送请求前取出原来的header并转发
*
* @return 拦截器
*/
@Bean
public RequestInterceptor requestInterceptor() {
return (template) -> {
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder
.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
//获取请求头
Enumeration<String> headerNames = request.getHeaderNames();
if (headerNames != null) {
while (headerNames.hasMoreElements()) {
String name = headerNames.nextElement();
String values = request.getHeader(name);
//将请求头保存到模板中
template.header(name, values);
}
System.out.println("当前服务名称：：" applicationName);
template.header("serviceName",applicationName);
}
};
}
}
创建全局异常捕获处理器
代码语言：javascript复制package com.ams.common.web.exception;
import com.ams.common.result.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;
/**
* Created with IntelliJ IDEA.
*
* @author：AI码师 关注公众号"AI码师"获取完整源码
* @date：2021/11/24
* @description：
* @modifiedBy：
* @version: 1.0
*/
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {
@ResponseStatus(HttpStatus.OK)
@ExceptionHandler(IllegalArgumentException.class)
public <T> R<T> handleIllegalArgumentException(IllegalArgumentException e) {
log.error("非法参数异常，异常原因：{}", e.getMessage(), e);
return R.failed(e.getMessage());
}
}
编写spring.factories，使配置自动注入
代码语言：javascript复制org.springframework.boot.autoconfigure.EnableAutoConfiguration=
com.ams.common.web.config.FeignConfig,
com.ams.common.web.exception.GlobalExceptionHandler
关注公众号领取2021最新面试题一套和项目源码
