JeecgBoot 2.4 微服务正式版本发布,基于SpringBoot的低代码平台

This commit is contained in:
zhangdaiscott
2020-11-28 17:20:10 +08:00
parent 33e1b04224
commit 6638ac0978
614 changed files with 206292 additions and 29220 deletions

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@ -3,10 +3,12 @@ package org.jeecg;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.ConfigurableApplicationContext;
@SpringBootApplication
@EnableFeignClients
@EnableDiscoveryClient
@SpringBootApplication
public class JeecgGatewayApplication {
public static void main(String[] args) {
ConfigurableApplicationContext applicationContext = SpringApplication.run(JeecgGatewayApplication.class, args);

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@ -1,8 +1,9 @@
package org.jeecg.config;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.handler.HystrixFallbackHandler;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
@ -10,6 +11,8 @@ import org.springframework.web.reactive.function.server.RequestPredicates;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import javax.annotation.Resource;
/**
* @author scott
* @date 2020/05/26
@ -17,15 +20,61 @@ import org.springframework.web.reactive.function.server.RouterFunctions;
*/
@Slf4j
@Configuration
@AllArgsConstructor
public class GatewayRoutersConfiguration {
private final HystrixFallbackHandler hystrixFallbackHandler;
public static final long DEFAULT_TIMEOUT = 30000;
public static String SERVER_ADDR;
public static String NAMESPACE;
public static String DATA_ID;
public static String ROUTE_GROUP;
/**
* 路由配置文件数据获取方式yml,nacos,database
*/
public static String DATA_TYPE;
@Value("${spring.cloud.nacos.discovery.server-addr}")
public void setServerAddr(String serverAddr) {
SERVER_ADDR = serverAddr;
}
@Value("${spring.cloud.nacos.discovery.namespace}")
public void setNamespace(String namespace) {
NAMESPACE = namespace;
}
@Value("${jeecg.route.config.data-id:#{null}}")
public void setRouteDataId(String dataId) {
DATA_ID = dataId + ".json";
}
@Value("${jeecg.route.config.group:DEFAULT_GROUP:#{null}}")
public void setRouteGroup(String routeGroup) {
ROUTE_GROUP = routeGroup;
}
@Value("${jeecg.route.config.data-type}")
public void setDataType(String dataType) {
DATA_TYPE = dataType;
}
/**
* 路由断言
* @return
*/
@Bean
public RouterFunction routerFunction() {
return RouterFunctions.route(
RequestPredicates.path("/fallback").and(RequestPredicates.accept(MediaType.TEXT_PLAIN)), hystrixFallbackHandler);
RequestPredicates.path("/globalFallback").and(RequestPredicates.accept(MediaType.TEXT_PLAIN)), hystrixFallbackHandler);
}
@Resource
private HystrixFallbackHandler hystrixFallbackHandler;
}

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@ -0,0 +1,43 @@
package org.jeecg.config;
import org.jeecg.filter.GlobalAccessTokenFilter;
import org.springframework.cloud.gateway.filter.ratelimit.KeyResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import reactor.core.publisher.Mono;
/**
* @author scott
* @date 2020/5/26
* 路由限流配置
*/
@Configuration
public class RateLimiterConfiguration {
/**
* IP限流 (通过exchange对象可以获取到请求信息这边用了HostName)
*/
@Bean
@Primary
public KeyResolver ipKeyResolver() {
return exchange -> Mono.just(exchange.getRequest().getRemoteAddress().getAddress().getHostAddress());
}
/**
* 用户限流 (通过exchange对象可以获取到请求信息获取当前请求的用户 TOKEN)
*/
@Bean
public KeyResolver userKeyResolver() {
//使用这种方式限流请求Header中必须携带X-Access-Token参数
return exchange -> Mono.just(exchange.getRequest().getHeaders().getFirst(GlobalAccessTokenFilter.X_ACCESS_TOKEN));
}
/**
* 接口限流 (获取请求地址的uri作为限流key)
*/
@Bean
public KeyResolver apiKeyResolver() {
return exchange -> Mono.just(exchange.getRequest().getPath().value());
}
}

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@ -0,0 +1,19 @@
package org.jeecg.config;
/**
* nocos配置方式枚举
*/
public enum RouterDataType {
/**
* 数据库加载路由配置
*/
database,
/**
* 本地yml加载路由配置
*/
yml,
/**
* nacos加载路由配置
*/
nacos
}

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@ -0,0 +1,32 @@
package org.jeecg.fallback;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
/**
* 响应超时熔断处理器
*
* @author zyf
*/
@RestController
public class FallbackController {
/**
* 全局熔断处理
* @return
*/
@RequestMapping("/fallback")
public Mono<String> fallback() {
return Mono.just("访问超时,请稍后再试!");
}
/**
* demo熔断处理
* @return
*/
@RequestMapping("/demo/fallback")
public Mono<String> fallback2() {
return Mono.just("访问超时,请稍后再试!");
}
}

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@ -21,12 +21,18 @@ import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.a
@Component
public class GlobalAccessTokenFilter implements GlobalFilter, Ordered {
public final static String X_ACCESS_TOKEN = "X-Access-Token";
public final static String X_GATEWAY_BASE_PATH = "X_GATEWAY_BASE_PATH";
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
String url = exchange.getRequest().getURI().getPath();
// log.info(" access url : "+ url);
log.info(" access url : "+ url);
String scheme = exchange.getRequest().getURI().getScheme();
String host = exchange.getRequest().getURI().getHost();
int port = exchange.getRequest().getURI().getPort();
String basePath = scheme + "://" + host + ":" + port;
// log.info(" base path : "+ basePath);
// 1. 重写StripPrefix(获取真实的URL)
addOriginalRequestUrl(exchange, exchange.getRequest().getURI());
@ -36,7 +42,7 @@ public class GlobalAccessTokenFilter implements GlobalFilter, Ordered {
exchange.getAttributes().put(GATEWAY_REQUEST_URL_ATTR, newRequest.getURI());
//将现在的request添加当前身份
ServerHttpRequest mutableReq = exchange.getRequest().mutate().header("Authorization-UserName", "").build();
ServerHttpRequest mutableReq = exchange.getRequest().mutate().header("Authorization-UserName", "").header(X_GATEWAY_BASE_PATH,basePath).build();
ServerWebExchange mutableExchange = exchange.mutate().request(mutableReq).build();
return chain.filter(mutableExchange);
}

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@ -29,6 +29,6 @@ public class HystrixFallbackHandler implements HandlerFunction<ServerResponse> {
originalUris.ifPresent(originalUri -> log.error("网关执行请求:{}失败,hystrix服务降级处理", originalUri));
return ServerResponse.status(HttpStatus.INTERNAL_SERVER_ERROR.value())
.header("Content-Type","text/plain; charset=utf-8").body(BodyInserters.fromObject("服务异常"));
.header("Content-Type","text/plain; charset=utf-8").body(BodyInserters.fromObject("访问超时,请稍后再试"));
}
}

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@ -0,0 +1,27 @@
package org.jeecg.handler;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.boot.starter.redis.listener.JeecgRedisListerer;
import org.jeecg.common.base.BaseMap;
import org.jeecg.loader.DynamicRouteLoader;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
/**
* 路由刷新监听
*/
@Slf4j
@Component
public class LoderRouderHandler implements JeecgRedisListerer {
@Resource
private DynamicRouteLoader dynamicRouteLoader;
@Override
public void onMessage(BaseMap message) {
dynamicRouteLoader.refresh();
}
}

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@ -0,0 +1,315 @@
package org.jeecg.loader;
import cn.hutool.core.util.ObjectUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import com.alibaba.nacos.api.exception.NacosException;
import com.google.common.collect.Lists;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.jeecg.boot.starter.redis.client.JeecgRedisClient;
import org.jeecg.config.GatewayRoutersConfiguration;
import org.jeecg.config.RouterDataType;
import org.springframework.cloud.gateway.event.RefreshRoutesEvent;
import org.springframework.cloud.gateway.filter.FilterDefinition;
import org.springframework.cloud.gateway.handler.predicate.PredicateDefinition;
import org.springframework.cloud.gateway.route.InMemoryRouteDefinitionRepository;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Component;
import reactor.core.publisher.Mono;
import javax.annotation.PostConstruct;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.Executor;
/**
* 动态路由加载器
*
* @author : zyf
* @date :2020-11-10
*/
@Slf4j
@Component
@DependsOn({"gatewayRoutersConfiguration"})
public class DynamicRouteLoader implements ApplicationEventPublisherAware {
private ApplicationEventPublisher publisher;
private InMemoryRouteDefinitionRepository repository;
private DynamicRouteService dynamicRouteService;
private ConfigService configService;
private JeecgRedisClient redisClient;
public DynamicRouteLoader(InMemoryRouteDefinitionRepository repository, DynamicRouteService dynamicRouteService, JeecgRedisClient redisClient) {
this.repository = repository;
this.dynamicRouteService = dynamicRouteService;
this.redisClient = redisClient;
}
@PostConstruct
public void init() {
String dataType = GatewayRoutersConfiguration.DATA_TYPE;
log.info("初始化路由dataType"+ dataType);
if (RouterDataType.nacos.toString().endsWith(dataType)) {
loadRoutesByNacos();
}
//从数据库加载路由
if (RouterDataType.database.toString().endsWith(dataType)) {
loadRoutesByRedis();
}
}
/**
* 刷新路由
*
* @return
*/
public Mono<Void> refresh() {
String dataType = GatewayRoutersConfiguration.DATA_TYPE;
if (!RouterDataType.yml.toString().endsWith(dataType)) {
this.init();
// 触发默认路由刷新事件,刷新缓存路由
this.publisher.publishEvent(new RefreshRoutesEvent(this));
log.info("路由已刷新..............");
}
return Mono.empty();
}
/**
* 从nacos中读取路由配置
*
* @return
*/
private void loadRoutesByNacos() {
List<RouteDefinition> routes = Lists.newArrayList();
configService = createConfigService();
if (configService == null) {
log.warn("initConfigService fail");
}
try {
String configInfo = configService.getConfig(GatewayRoutersConfiguration.DATA_ID, GatewayRoutersConfiguration.ROUTE_GROUP, GatewayRoutersConfiguration.DEFAULT_TIMEOUT);
if (StringUtils.isNotBlank(configInfo)) {
log.info("获取网关当前配置:\r\n{}", configInfo);
routes = JSON.parseArray(configInfo, RouteDefinition.class);
}
} catch (NacosException e) {
log.error("初始化网关路由时发生错误", e);
e.printStackTrace();
}
for (RouteDefinition definition : routes) {
log.info("update route : {}", definition.toString());
dynamicRouteService.add(definition);
}
this.publisher.publishEvent(new RefreshRoutesEvent(this));
dynamicRouteByNacosListener(GatewayRoutersConfiguration.DATA_ID, GatewayRoutersConfiguration.ROUTE_GROUP);
}
/**
* 从redis中读取路由配置
*
* @return
*/
private void loadRoutesByRedis() {
List<RouteDefinition> routes = Lists.newArrayList();
configService = createConfigService();
if (configService == null) {
log.warn("initConfigService fail");
}
String configInfo = redisClient.get("geteway_routes");
if (StringUtils.isNotBlank(configInfo)) {
log.info("获取网关当前配置:\r\n{}", configInfo);
JSONArray array = JSON.parseArray(configInfo);
try {
routes = getRoutesByJson(array);
} catch (URISyntaxException e) {
e.printStackTrace();
}
}
for (RouteDefinition definition : routes) {
log.info("update route : {}", definition.toString());
dynamicRouteService.add(definition);
}
this.publisher.publishEvent(new RefreshRoutesEvent(this));
}
/**
* redis中的信息需要处理下 转成RouteDefinition对象
* - id: login
* uri: lb://cloud-jeecg-system
* predicates:
* - Path=/jeecg-boot/sys/**,
*
* @param array
* @return
*/
public static List<RouteDefinition> getRoutesByJson(JSONArray array) throws URISyntaxException {
List<RouteDefinition> ls = new ArrayList<>();
for (int i = 0; i < array.size(); i++) {
JSONObject obj = array.getJSONObject(i);
RouteDefinition route = new RouteDefinition();
route.setId(obj.getString("routerId"));
Object uri = obj.get("uri");
if (uri == null) {
route.setUri(new URI("lb://" + obj.getString("name")));
} else {
route.setUri(new URI(obj.getString("uri")));
}
Object predicates = obj.get("predicates");
if (predicates != null) {
JSONArray list = JSON.parseArray(predicates.toString());
List<PredicateDefinition> predicateDefinitionList = new ArrayList<>();
for (Object map : list) {
JSONObject json = (JSONObject) map;
PredicateDefinition predicateDefinition = new PredicateDefinition();
predicateDefinition.setName(json.getString("name"));
JSONArray jsonArray = json.getJSONArray("args");
for (int j = 0; j < jsonArray.size(); j++) {
predicateDefinition.addArg("_genkey" + j, jsonArray.get(j).toString());
}
predicateDefinitionList.add(predicateDefinition);
}
route.setPredicates(predicateDefinitionList);
}
Object filters = obj.get("filters");
if (filters != null) {
JSONArray list = JSON.parseArray(filters.toString());
List<FilterDefinition> filterDefinitionList = new ArrayList<>();
if (ObjectUtil.isNotEmpty(list)) {
for (Object map : list) {
JSONObject json = (JSONObject) map;
JSONArray jsonArray = json.getJSONArray("args");
String name = json.getString("name");
FilterDefinition filterDefinition = new FilterDefinition();
for (Object o : jsonArray) {
JSONObject params = (JSONObject) o;
filterDefinition.addArg(params.getString("key"), params.get("value").toString());
}
filterDefinition.setName(name);
filterDefinitionList.add(filterDefinition);
}
route.setFilters(filterDefinitionList);
}
}
ls.add(route);
}
return ls;
}
// private void loadRoutesByDataBase() {
// List<GatewayRouteVo> routeList = jdbcTemplate.query(SELECT_ROUTES, new RowMapper<GatewayRouteVo>() {
// @Override
// public GatewayRouteVo mapRow(ResultSet rs, int i) throws SQLException {
// GatewayRouteVo result = new GatewayRouteVo();
// result.setId(rs.getString("id"));
// result.setName(rs.getString("name"));
// result.setUri(rs.getString("uri"));
// result.setStatus(rs.getInt("status"));
// result.setRetryable(rs.getInt("retryable"));
// result.setPredicates(rs.getString("predicates"));
// result.setStripPrefix(rs.getInt("strip_prefix"));
// result.setPersist(rs.getInt("persist"));
// return result;
// }
// });
// if (ObjectUtil.isNotEmpty(routeList)) {
// // 加载路由
// routeList.forEach(route -> {
// RouteDefinition definition = new RouteDefinition();
// List<PredicateDefinition> predicatesList = Lists.newArrayList();
// List<FilterDefinition> filtersList = Lists.newArrayList();
// definition.setId(route.getId());
// String predicates = route.getPredicates();
// String filters = route.getFilters();
// if (StringUtils.isNotEmpty(predicates)) {
// predicatesList = JSON.parseArray(predicates, PredicateDefinition.class);
// definition.setPredicates(predicatesList);
// }
// if (StringUtils.isNotEmpty(filters)) {
// filtersList = JSON.parseArray(filters, FilterDefinition.class);
// definition.setFilters(filtersList);
// }
// URI uri = UriComponentsBuilder.fromUriString(route.getUri()).build().toUri();
// definition.setUri(uri);
// this.repository.save(Mono.just(definition)).subscribe();
// });
// log.info("加载路由:{}==============", routeList.size());
// Mono.empty();
// }
// }
/**
* 监听Nacos下发的动态路由配置
*
* @param dataId
* @param group
*/
public void dynamicRouteByNacosListener(String dataId, String group) {
try {
configService.addListener(dataId, group, new Listener() {
@Override
public void receiveConfigInfo(String configInfo) {
log.info("进行网关更新:\n\r{}", configInfo);
List<RouteDefinition> definitionList = JSON.parseArray(configInfo, RouteDefinition.class);
for (RouteDefinition definition : definitionList) {
log.info("update route : {}", definition.toString());
dynamicRouteService.update(definition);
}
}
@Override
public Executor getExecutor() {
log.info("getExecutor\n\r");
return null;
}
});
} catch (Exception e) {
log.error("从nacos接收动态路由配置出错!!!", e);
}
}
/**
* 创建ConfigService
*
* @return
*/
private ConfigService createConfigService() {
try {
Properties properties = new Properties();
properties.setProperty("serverAddr", GatewayRoutersConfiguration.SERVER_ADDR);
properties.setProperty("namespace", GatewayRoutersConfiguration.NAMESPACE);
return configService = NacosFactory.createConfigService(properties);
} catch (Exception e) {
log.error("创建ConfigService异常", e);
return null;
}
}
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.publisher = applicationEventPublisher;
}
}

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@ -0,0 +1,97 @@
package org.jeecg.loader;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.event.RefreshRoutesEvent;
import org.springframework.cloud.gateway.route.InMemoryRouteDefinitionRepository;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.cloud.gateway.route.RouteDefinitionWriter;
import org.springframework.cloud.gateway.support.NotFoundException;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Mono;
/**
* 动态更新路由网关service
* 1实现一个Spring提供的事件推送接口ApplicationEventPublisherAware
* 2提供动态路由的基础方法可通过获取bean操作该类的方法。该类提供新增路由、更新路由、删除路由然后实现发布的功能。
*
* @author zyf
*/
@Slf4j
@Service
public class DynamicRouteService implements ApplicationEventPublisherAware {
@Autowired
private RouteDefinitionWriter routeDefinitionWriter;
@Autowired
private InMemoryRouteDefinitionRepository repository;
/**
* 发布事件
*/
private ApplicationEventPublisher publisher;
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.publisher = applicationEventPublisher;
}
/**
* 删除路由
*
* @param id
* @return
*/
public synchronized Mono<ResponseEntity<Object>> delete(String id) {
return this.repository.delete(Mono.just(id)).then(Mono.defer(() -> {
return Mono.just(ResponseEntity.ok().build());
})).onErrorResume((t) -> {
return t instanceof NotFoundException;
}, (t) -> {
return Mono.just(ResponseEntity.notFound().build());
});
}
/**
* 更新路由
*
* @param definition
* @return
*/
public synchronized String update(RouteDefinition definition) {
try {
log.info("gateway update route {}", definition);
delete(definition.getId());
} catch (Exception e) {
return "update fail,not find route routeId: " + definition.getId();
}
try {
repository.save(Mono.just(definition)).subscribe();
this.publisher.publishEvent(new RefreshRoutesEvent(this));
return "success";
} catch (Exception e) {
return "update route fail";
}
}
/**
* 增加路由
*
* @param definition
* @return
*/
public synchronized String add(RouteDefinition definition) {
log.info("gateway add route {}", definition);
try {
repository.save(Mono.just(definition)).subscribe();
} catch (Exception e) {
}
return "success";
}
}

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@ -0,0 +1,16 @@
package org.jeecg.loader;
import lombok.Data;
@Data
public class GatewayRouteVo {
private String id;
private String name;
private String uri;
private String predicates;
private String filters;
private Integer stripPrefix;
private Integer retryable;
private Integer persist;
private Integer status;
}