本文主要是介绍web3sdk 怎么配置连接区块链节点，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
一、下载
https://github.com/FISCO-BCOS/web3sdk
git clone https://github.com/FISCO-BCOS/web3sdk.git二、构建
cd web3sdk
./gradlew build
三、拷贝节点证书到dist/conf/
# 拷贝证书(设SDK证书位于~/fisco/nodes/127.0.0.1/sdk目录)
$ cp -r ~/fisco/nodes/127.0.0.1/sdk/* conf
四、新增和修改配置文件applicationContext.xml
<?xml version="1.0" encoding="UTF-8" ?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-2.5.xsd"><bean id="encryptType"class="org.fisco.bcos.web3j.crypto.EncryptType"><constructor-arg value="0" /> <!-- 0:standard 1:guomi --></bean><bean id="groupChannelConnectionsConfig"class="org.fisco.bcos.channel.handler.GroupChannelConnectionsConfig"><!-- SSL certificate configuration --><property name="caCert" value="ca.crt" /><property name="sslCert" value="sdk.crt" /><property name="sslKey" value="sdk.key" /><!-- GM SSL certificate configuration --><property name="gmCaCert" value="gmca.crt" /><property name="gmEnSslCert" value="gmensdk.crt" /><property name="gmEnSslKey" value="gmensdk.key" /><property name="gmSslCert" value="gmsdk.crt" /><property name="gmSslKey" value="gmsdk.key" /><property name="allChannelConnections"><list><bean id="group1"class="org.fisco.bcos.channel.handler.ChannelConnections"><property name="groupId" value="1" /><property name="connectionsStr"><list><value>192.168.64.129:20200</value><value>192.168.64.130:20200</value><value>192.168.64.131:20200</value><value>192.168.64.132:20200</value></list></property></bean><bean id="group2"class="org.fisco.bcos.channel.handler.ChannelConnections"><property name="groupId" value="2" /><property name="connectionsStr"><list><value>127.0.0.1:20202</value><value>127.0.0.1:20203</value></list></property></bean></list></property></bean><bean id="channelService"class="org.fisco.bcos.channel.client.Service"depends-on="groupChannelConnectionsConfig"><property name="groupId" value="1" /><property name="agencyName" value="agencyA" /><property name="allChannelConnections"ref="groupChannelConnectionsConfig"></property><!-- If you want to enable topic authentication, please uncomment the following configuration. --><!-- <property name="topic2KeyInfo" ref="amopVerifyTopicToKeyInfo"></property>--></bean><!-- If you want to enable topic authentication, please uncomment the following configuration. --><!--<bean class="org.fisco.bcos.channel.handler.AMOPVerifyTopicToKeyInfo" id="amopVerifyTopicToKeyInfo"><property name="topicToKeyInfo"><map><entry key="helloworld00000001" value-ref="AMOPVerifyKeyInfo_helloworld00000001" /></map></property></bean>--><!-- If you are a topic producer, you need to configure the publicKey property.Each authenticated consumer holds a different public-private key pair.Please list the public key files of all the authenticated consumers.--><!--<bean class="org.fisco.bcos.channel.handler.AMOPVerifyKeyInfo" id="AMOPVerifyKeyInfo_helloworld00000001"><property name="publicKey"><list><value>classpath:$consumer_public_key_1.pem$</value><value>classpath:$consumer_public_key_2.pem$</value></list></property></bean>--><!-- If you are a topic consumer, you need to configure the privateKey property.This private key will authenticate you to the corresponding topic producer.--><!--<bean class="org.fisco.bcos.channel.handler.AMOPVerifyKeyInfo" id="AMOPVerifyKeyInfo_helloworld00000001"><property name="privateKey" value="classpath:$consumer_private_key.pem$"></property></bean>-->
</beans>
五、在dist文件下运行程序
java -cp conf/:lib/*:apps/* org.fisco.bcos.channel.test.parallel.parallelok.PerformanceDT 1 transfer 100000 4000 user 2
https://github.com/FISCO-BCOS/java-sdk-demo/blob/main/docs/README_CN.md
https://fisco-bcos-documentation.readthedocs.io/zh_CN/latest/docs/tutorial/stress_testing.html
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