package com.xiaohang.socialcard.pre.intercepter;import com.xiaohang.socialcard.pre.utils.SM4Util;import feign.RequestInterceptor;import feign.RequestTemplate;import lombok.extern.slf4j.Slf4j;import org.springframework.beans.factory.annotation.Value;import org.springframework.context.annotation.Configuration;import java.util.*;@Configuration@Slf4jpublic class FeignInterceptor implements RequestInterceptor { @Value("${encrypt.urls}") private String[] urlList; @Override public void apply(RequestTemplate template) { if (Arrays.asList(urlList).contains(template.url())) {//根据URL地址过滤请求 log.info("请求参数为：{}", template.queryLine());//?param=123456 Collection<String> paramList = template.queries().get("param"); String param = paramList.iterator().next(); try { // 加密 param = SM4Util.encryptEcb("1234567890", param); } catch (Exception e) { e.printStackTrace(); } Map<String, Collection<String>> newQueries = new HashMap<>(); Collection<String> value = new ArrayList<>(); value.add(param); newQueries.put("param", value); template.queries(newQueries);// 替换原有对象 log.info("加密后参数为：{}", template.queryLine());//?param=xxxxxx } }}二、配置文件

application.yml

changsha-payment.url: http://xx.xx.xx.xx:8080encrypt.urls: /openInter/getToken,/openInter/dispatchPayEx,/bcs/balance三、APIFeign接口

package com.xiaohang.socialcard.pre.feign;import com.xiaohang.socialcard.pre.model.ChangShaResp;import com.xiaohang.socialcard.pre.pojo.Loffee;import org.springframework.cloud.netflix.feign.FeignClient;import org.springframework.web.bind.annotation.*;@FeignClient(name = "changsha-payment", url = "${changsha-payment.url}")public interface ChangShaApi { @RequestMapping(method = RequestMethod.GET, path = "openInter/getToken", consumes = "*/*", produces = "application/json;charset=UTF-8") ChangShaResp getToken(@RequestParam(name = "param", required = true) String param); @RequestMapping(method = RequestMethod.POST, value = "openInter/dispatchPayEx", produces = "text/html", consumes = "application/x-www-form-urlencoded") String payPage(@RequestParam(name = "param", required = true) String param); @RequestMapping(method = RequestMethod.POST, path = "/bcs/balance", produces = "text/html", consumes = "application/x-www-form-urlencoded") String downLoadPay(@RequestParam(name = "param", required = true) String param);四、启动类Application.class

package com.xiaohang.socialcard.pre;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.netflix.feign.EnableFeignClients;@EnableFeignClients@SpringBootApplicationpublic class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); }}五、pom.xml

<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.xiaohang</groupId> <artifactId>pre-socialcard-changsha</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <parent> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-parent</artifactId> <version>Camden.SR5</version> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <java.version>1.8</java.version> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> <version>1.2.3.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-feign</artifactId> <version>1.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.18</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.9.9</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>springloaded</artifactId> <version>1.2.5.RELEASE</version> </dependency> </dependencies> </plugin> </plugins> </build></project>