Spring boot 通过RFC连接SAP部署到Docker

背景：因为项目使用的是Spring cloud的框架，以及部署使用了Docker ，后来要和Sap对接接口。于是我们选择了直连使用RFC连接。

接下来我们言归正传：

1。创建一个Spring boot的项目

2.添加sapjco-3.0.6.jar，sapjco3.dll（是window环境），libsapjco3.so（centos环境）在lib目录下，添加依赖

3.修改pom.xml文件

<?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>
    <parent>
        <groupId>com.github.pig</groupId>
        <artifactId>cfmoto-modules</artifactId>
        <version>1.3.1</version>
    </parent>

    <groupId>com.cfmoto.sap.api</groupId>
    <artifactId>cfmoto-sap-api</artifactId>
    <version>1.3.1</version>
    <name>cfmoto-sap-api</name>
    <description>Demo project for Spring Boot</description>


    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.35</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.cfmoto.sap.api</groupId>  <!--自定义-->
            <artifactId>jco</artifactId>    <!--自定义-->
            <version>3.0.6</version> <!--自定义-->
            <scope>system</scope> <!--system，类似provided，需要显式提供依赖的jar以后，Maven就不会在Repository中查找它-->
            <systemPath>${basedir}/lib/sapjco-3.0.6.jar</systemPath> <!--项目根目录下的lib文件夹下-->
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>

            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                    <compilerArguments>
                        <extdirs>${project.basedir}/lib</extdirs>
                    </compilerArguments>
                </configuration>
            </plugin>

        </plugins>

        <resources>
            <resource>
                <directory>${project.basedir}/lib</directory>
                <targetPath>BOOT-INF/lib/</targetPath>
                <includes>
                    <include>**/*.jar</include>
                </includes>
            </resource>
            <resource>
                <directory>${project.basedir}/lib</directory>
                <targetPath>BOOT-INF</targetPath>
                <includes>
                    <include>**/*.so</include>
                    <include>**/*.dll</include>
                </includes>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <!--<targetPath>BOOT-INF/classes/</targetPath>-->
                <includes>
                    <include>**/*.yml</include>
                </includes>
            </resource>
        </resources>

    </build>


</project>

4.在yml文件添加统一配置

#sap连接配置
sap:
  jco:
    provider:
      destName: ABAP
      ashost: 172.16.0.225
      sysnr: 00
      client: 300
      user: space
      passwd: 123456
      pool_capacity: 10
      peak_limit: 50
      saprouter: "/H/116.62.119.46/S/3299/H/"
      lang: zh

5.添加类JcoProviderConfig

package com.cfmoto.sap.api.config;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component
@Data
public class JcoProviderConfig {

    @Value("${sap.jco.provider.destName}")
    public   String  jcoDestName;

    @Value("${sap.jco.provider.ashost}")
    public   String  jcoAshost;

    @Value("${sap.jco.provider.sysnr}")
    public   String  jcoSysnr;

    @Value("${sap.jco.provider.client}")
    public   String  jcoClient;

    @Value("${sap.jco.provider.user}")
    public   String  jcoUser;

    @Value("${sap.jco.provider.passwd}")
    public   String  jcoPasswd;

    @Value("${sap.jco.provider.pool_capacity}")
    public   String  jcoPoolCapacity;

    @Value("${sap.jco.provider.peak_limit}")
    public   String  jcoPeakLimit;

    @Value("${sap.jco.provider.saprouter}")
    public   String  jcoSaprouter;

    @Value("${sap.jco.provider.lang}")
    public   String jcoLang;

}

6.添加类CustomDestinationDataProvider继承DestinationDataProvider

package com.cfmoto.sap.api.config;

import com.sap.conn.jco.ext.DestinationDataEventListener;
import com.sap.conn.jco.ext.DestinationDataProvider;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class CustomDestinationDataProvider implements DestinationDataProvider {

    private DestinationDataEventListener eL;
    private HashMap<String, Properties> secureDBStorage = new HashMap<String, Properties>();

    public Properties getDestinationProperties(String destinationName){
        return secureDBStorage.get(destinationName);
    }
    public void setDestinationDataEventListener(DestinationDataEventListener eventListener){
        this.eL = eventListener;
    }

    public boolean supportsEvents(){
        return true;
    }

    public void addDestinationProperties(String destName, Properties properties){
        synchronized(secureDBStorage){
            secureDBStorage.put(destName, properties);
            eL.updated(destName); // create or updated
        }
    }
}

7.添加一个service类：CustomJcoService

package com.cfmoto.sap.api.service;

import com.cfmoto.sap.api.utils.R;

import java.util.Map;

public interface CustomJcoService {

    //测试连接是否连通
    R pingCalls( String destName );

    R execute( String functionName, Map<String, Object> paramMap );
}

8.实现CustomJcoService类的方法CustomJcoServiceImpl

Spring boot 通过RFC连接SAP部署到Docker

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