ServiceComb实战（3）comb实战

落日映苍穹つ 2022-05-03 02:25 265阅读 0赞

**ServiceComb实战 （3）combDemo**  
**步骤一、配置POM**

<?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>cn.qchcolud</groupId>
    	<artifactId>combDemo</artifactId>
    	<version>0.0.1-SNAPSHOT</version>
    	<packaging>jar</packaging>
    
    	<name>combDemo</name>
    	<description>Demo project for ServiceComb-Spring</description>
    
    	<parent>
    		<groupId>org.springframework.boot</groupId>
    		<artifactId>spring-boot-starter-parent</artifactId>
    		<version>1.5.12.RELEASE</version>
    		<relativePath/> 
    	</parent>
    
    	<properties>
    		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    		<java.version>1.8</java.version>
    	</properties>
    
    	<dependencies>
    		<dependency>
    			<groupId>org.hibernate</groupId>
    			<artifactId>hibernate-validator</artifactId>
    		</dependency>
    
    		<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.apache.servicecomb</groupId>
    			<artifactId>spring-boot-starter-provider</artifactId>
    		</dependency>
    
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-test</artifactId>
    			<scope>test</scope>
    		</dependency>
    		<dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
    <dependency>
        <groupId>io.jsonwebtoken</groupId>
        <artifactId>jjwt-api</artifactId>
        <version>0.10.5</version>
    </dependency>
    <dependency>
        <groupId>io.jsonwebtoken</groupId>
        <artifactId>jjwt-impl</artifactId>
        <version>0.10.5</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>io.jsonwebtoken</groupId>
        <artifactId>jjwt-jackson</artifactId>
        <version>0.10.5</version>
        <scope>runtime</scope>
    </dependency>
    
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.8.8.1</version>
    </dependency>
    	</dependencies>
    
    	<dependencyManagement>
    		<dependencies>
    			<dependency>
    				<groupId>org.apache.servicecomb</groupId>
    				<artifactId>java-chassis-dependencies</artifactId>
    				<version>1.0.0-m2</version>
    				<type>pom</type>
    				<scope>import</scope>
    			</dependency>
    		</dependencies>
    	</dependencyManagement>
    
    	<build>
    		<plugins>
    			<plugin>
    				<groupId>org.springframework.boot</groupId>
    				<artifactId>spring-boot-maven-plugin</artifactId>
    			</plugin>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <version>1.5.12.RELEASE</version>
                    <executions>
                        <execution>
                            <goals>
                                <goal>repackage</goal>
                            </goals>
                            <configuration>
                                <outputDirectory>target/bin</outputDirectory>
                                <classifier>exec</classifier>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-jar-plugin</artifactId>
                    <version>2.6</version>
                    <configuration>
                        <archive>
                            <manifestEntries>
                                <Class-Path>.</Class-Path>
                            </manifestEntries>
                        </archive>
                    </configuration>
                </plugin>
    		</plugins>
    	</build>
    
    
    </project>

**步骤二、application.properties**

spring.datasource.url=jdbc:mysql://localhost:3306/combDemo?useSSL=false
    spring.datasource.username=root
    spring.datasource.password=1234
    spring.jpa.hibernate.ddl-auto=update
    spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect

**步骤三、工程源码**

package cn.qchcolud.combDemo;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.apache.servicecomb.springboot.starter.provider.EnableServiceComb;
    
    
    @SpringBootApplication
    @EnableServiceComb
    public class CombDemoApplication {
    
    	public static void main(String[] args) {
    		SpringApplication.run(CombDemoApplication.class, args);
    	}
    }

package cn.qchcolud.combDemo.dto;
    
    public class UserDTO {
    	  private String name;
    	  private String password;
    	  public String getName() {
    	    return name;
    	  }
    	  public String getPassword() {
    	    return password;
    	  }
    	  public UserDTO() {
    	  }
    	  public UserDTO(String name, String password) {
    	    this.name = name;
    	    this.password = password;
    	  }
    	}

package cn.qchcolud.combDemo.entity;
    
    import javax.persistence.Entity;
    import javax.persistence.Id;
    import javax.persistence.Table;
    
    @Entity
    @Table(name = "T_User")
    public class UserEntity {
      @Id
      private String name;
    
      private String password;
    
      public String getName() {
        return name;
      }
    
      public void setName(String name) {
        this.name = name;
      }
    
      public String getPassword() {
        return password;
      }
    
      public void setPassword(String password) {
        this.password = password;
      }
    
      public UserEntity() {
      }
    
      public UserEntity(String name, String password) {
        this.name = name;
        this.password = password;
      }
    }

package cn.qchcolud.combDemo.jwt;
    
    
    import java.time.ZonedDateTime;
    import java.util.Date;
    
    import org.apache.commons.lang.StringUtils;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.stereotype.Component;
    
    import io.jsonwebtoken.JwtException;
    import io.jsonwebtoken.Jwts;
    import static io.jsonwebtoken.SignatureAlgorithm.HS512;
    
    
    @Component
    public class JwtTokenStore implements TokenStore {
      private static final Logger LOGGER = LoggerFactory.getLogger(JwtTokenStore.class);
    
      private final String secretKey;
    
      private final int secondsToExpire;
    
      public JwtTokenStore() {
        this.secretKey = "someSecretKeyForAuthenticagggggggggggggggggggggtiondfgdgfdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd";
        this.secondsToExpire = 60 * 60 * 24;
      }
    
      public JwtTokenStore(String secretKey, int secondsToExpire) {
        this.secretKey = secretKey;
        this.secondsToExpire = secondsToExpire;
      }
    
      @Override
      public String generate(String userName) {
        return Jwts.builder().setSubject(userName)
            .setExpiration(Date.from(ZonedDateTime.now().plusSeconds(secondsToExpire).toInstant()))
            .signWith(HS512, secretKey).compact();
      }
    
      @Override
      public boolean validate(String token) {
        try {
          return StringUtils.isNotEmpty(Jwts.parser()
           .setSigningKey(secretKey).parseClaimsJws(token).getBody().getSubject());
        } catch (JwtException | IllegalArgumentException e) {
          LOGGER.info("validateToken token : " + token + " failed", e);
        }
        return false;
      }
    }

package cn.qchcolud.combDemo.jwt;
    
    public interface TokenStore {
    	  String generate(String userName);
    
    	  boolean validate(String token);
    	}

package cn.qchcolud.combDemo.repository;
    
    import org.springframework.data.repository.PagingAndSortingRepository;
    import org.springframework.stereotype.Repository;
    
    import cn.qchcolud.combDemo.entity.UserEntity;
    
    @Repository
    public interface UserRepository extends PagingAndSortingRepository<UserEntity, Long> {
      UserEntity findByName(String name);
    }

package cn.qchcolud.combDemo.service;
    
    import org.springframework.http.ResponseEntity;
    
    import cn.qchcolud.combDemo.dto.UserDTO;
    
    public interface UserService {
    	  ResponseEntity<Boolean> logon(UserDTO user);
    	  ResponseEntity<Boolean> login(UserDTO user);
    	}

package cn.qchcolud.combDemo.service;
    
    import org.apache.commons.lang3.StringUtils;
    import org.apache.servicecomb.provider.rest.common.RestSchema;
    
    import org.apache.servicecomb.swagger.invocation.exception.InvocationException;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.http.HttpHeaders;
    import org.springframework.http.HttpStatus;
    import org.springframework.http.ResponseEntity;
    import org.springframework.web.bind.annotation.PostMapping;
    import org.springframework.web.bind.annotation.RequestBody;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    import cn.qchcolud.combDemo.dto.UserDTO;
    import cn.qchcolud.combDemo.entity.UserEntity;
    import cn.qchcolud.combDemo.jwt.TokenStore;
    import cn.qchcolud.combDemo.repository.UserRepository;
    import static javax.ws.rs.core.Response.Status.BAD_REQUEST;
    import static org.springframework.http.HttpHeaders.AUTHORIZATION;
    
    
    
    @RestSchema(schemaId = "user")
    @RequestMapping(path = "/")
    public class UserServiceImpl implements UserService {
      private final UserRepository repository;
    
      private final TokenStore tokenStore;
    
      @Autowired
      public UserServiceImpl(UserRepository repository, TokenStore tokenStore) {
        this.repository = repository;
        this.tokenStore = tokenStore;
      }
    
      @Override
      @PostMapping(path = "logon")
      public ResponseEntity<Boolean> logon(@RequestBody UserDTO user) {
        if (validateUser(user)) {
          UserEntity dbUser = repository.findByName(user.getName());
          if (dbUser == null) {
            UserEntity entity = new UserEntity(user.getName(), user.getPassword());
            repository.save(entity);
            return new ResponseEntity<>(true, HttpStatus.OK);
          }
          throw new InvocationException(BAD_REQUEST, "user name had exist");
        }
        throw new InvocationException(BAD_REQUEST, "incorrect user");
      }
    
      @Override
      @PostMapping(path = "login")
      public ResponseEntity<Boolean> login(@RequestBody UserDTO user) {
    	  
    	  
    	  System.out.println("-->"+user.getName()+"--"+user.getPassword());
        if (validateUser(user)) {
          UserEntity dbUser = repository.findByName(user.getName());
          if (dbUser != null) {
            if (dbUser.getPassword().equals(user.getPassword())) {
              String token = tokenStore.generate(user.getName());
              HttpHeaders headers = generateAuthenticationHeaders(token);
              //add authentication header
              return new ResponseEntity<>(true, headers, HttpStatus.OK);
            }
            throw new InvocationException(BAD_REQUEST, "wrong password");
          }
          throw new InvocationException(BAD_REQUEST, "user name not exist");
        }
        throw new InvocationException(BAD_REQUEST, "incorrect user");
      }
    
      private boolean validateUser(UserDTO user) {
        return user != null && StringUtils.isNotEmpty(user.getName()) && StringUtils.isNotEmpty(user.getPassword());
      }
    
      private HttpHeaders generateAuthenticationHeaders(String token) {
        HttpHeaders headers = new HttpHeaders();
        headers.add(AUTHORIZATION, token);
        return headers;
      }
    }