docker-compose-orderer.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: orderer.example.com:
extends:
file: base/docker-compose-base.yaml
service: orderer.example.com
container_name: orderer.example.com ca0:
image: hyperledger/fabric-ca
environment:
- FABRIC_CA_HOME=/etc/hyperledger/fabric-ca-server
- FABRIC_CA_SERVER_CA_NAME=ca0
- FABRIC_CA_SERVER_TLS_ENABLED=false
ports:
- "7054:7054"
command: sh -c 'fabric-ca-server start --ca.certfile /etc/hyperledger/fabric-ca-server-config/ca.example.com-cert.pem --ca.keyfile /etc/hyperledger/fabric-ca-server-config/${PRIVATE_KEY} -b admin:adminpw -d'
volumes:
- ./crypto-config/ordererOrganizations/example.com/ca/:/etc/hyperledger/fabric-ca-server-config/
container_name: ca0

docker-compose-base.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: orderer.example.com:
container_name: orderer.example.com
image: hyperledger/fabric-orderer
environment:
- ORDERER_GENERAL_LOGLEVEL=debug
- ORDERER_GENERAL_LISTENADDRESS=0.0.0.0
- ORDERER_GENERAL_GENESISMETHOD=file
- ORDERER_GENERAL_GENESISFILE=/var/hyperledger/orderer/orderer.genesis.block
- ORDERER_GENERAL_LOCALMSPID=OrdererMSP
- ORDERER_GENERAL_LOCALMSPDIR=/var/hyperledger/orderer/msp
# enabled TLS
- ORDERER_GENERAL_TLS_ENABLED=false
working_dir: /opt/gopath/src/github.com/hyperledger/fabric
command: orderer
volumes:
- ../channel-artifacts/genesis.block:/var/hyperledger/orderer/orderer.genesis.block
- ../crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/msp:/var/hyperledger/orderer/msp
- ../crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/tls/:/var/hyperledger/orderer/tls
ports:
- 7050:7050 peer0.org1.example.com:
container_name: peer0.org1.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer0.org1.example.com
- CORE_PEER_ADDRESS=peer0.org1.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer0.org1.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer0.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 7051:7051
- 7052:7052
- 7053:7053 peer1.org1.example.com:
container_name: peer1.org1.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer1.org1.example.com
- CORE_PEER_ADDRESS=peer1.org1.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer1.org1.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer1.org1.example.com:7051
- CORE_PEER_GOSSIP_BOOTSTRAP=peer0.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer1.org1.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer1.org1.example.com/tls:/etc/hyperledger/fabric/tls ports:
- 8051:7051
- 8052:7052
- 8053:7053 peer0.org2.example.com:
container_name: peer0.org2.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer0.org2.example.com
- CORE_PEER_ADDRESS=peer0.org2.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer0.org2.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer0.org2.example.com:7051
- CORE_PEER_LOCALMSPID=Org2MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 7051:7051
- 7052:7052
- 7053:7053 peer1.org2.example.com:
container_name: peer1.org2.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer1.org2.example.com
- CORE_PEER_ADDRESS=peer1.org2.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer1.org2.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer1.org2.example.com:7051
- CORE_PEER_GOSSIP_BOOTSTRAP=peer0.org2.example.com:7051
- CORE_PEER_LOCALMSPID=Org2MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer1.org2.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer1.org2.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 8051:7051
- 8052:7052
- 8053:7053

 peer-base.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2'
services:
peer-base:
image: hyperledger/fabric-peer
environment:
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
# the following setting starts chaincode containers on the same
# bridge network as the peers
# https://docs.docker.com/compose/networking/
- CORE_VM_DOCKER_HOSTCONFIG_NETWORKMODE=e2e_cli_default
#- CORE_LOGGING_LEVEL=ERROR
- CORE_LOGGING_LEVEL=DEBUG
- CORE_PEER_TLS_ENABLED=false
- CORE_PEER_GOSSIP_USELEADERELECTION=true
- CORE_PEER_GOSSIP_ORGLEADER=false
- CORE_PEER_PROFILE_ENABLED=true
- CORE_PEER_TLS_CERT_FILE=/etc/hyperledger/fabric/tls/server.crt
- CORE_PEER_TLS_KEY_FILE=/etc/hyperledger/fabric/tls/server.key
- CORE_PEER_TLS_ROOTCERT_FILE=/etc/hyperledger/fabric/tls/ca.crt
working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
command: peer node start

docker-compose-peer.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: peer0.org1.example.com:
container_name: peer0.org1.example.com
environment:
- CORE_LEDGER_STATE_STATEDATABASE=CouchDB
- CORE_LEDGER_STATE_COUCHDBCONFIG_COUCHDBADDRESS=10.20.31.127:5984
- CORE_LEDGER_STATE_COUCHDBCONFIG_USERNAME=admin
- CORE_LEDGER_STATE_COUCHDBCONFIG_PASSWORD=password
extends:
file: base/docker-compose-base.yaml
service: peer0.org1.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128" cli:
container_name: cli
image: hyperledger/fabric-tools
tty: true
environment:
- GOPATH=/opt/gopath
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
- CORE_LOGGING_LEVEL=DEBUG
- CORE_PEER_ID=cli
- CORE_PEER_ADDRESS=peer0.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
- CORE_PEER_TLS_ENABLED=false
- CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp
working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
volumes:
- /var/run/:/host/var/run/
- ../chaincode/go/:/opt/gopath/src/github.com/hyperledger/fabric/examples/chaincode/go
- ./crypto-config:/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/
- ./scripts:/opt/gopath/src/github.com/hyperledger/fabric/peer/scripts/
- ./channel-artifacts:/opt/gopath/src/github.com/hyperledger/fabric/peer/channel-artifacts
depends_on:
- peer0.org1.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128"
- "peer0.org1.example.com:10.20.31.127"
- "peer1.org1.example.com:10.20.31.126"
- "peer0.org2.example.com:10.20.31.131"
- "peer1.org2.example.com:10.20.31.132"

  PRIVATE_KEY.sh

#!/bin/bash
folder="crypto-config/peerOrganizations/org1.example.com/ca"
privName=""
for file_a in ${folder}/*
do
temp_file=`basename $file_a` if [ ${temp_file##*.} != "pem" ];then
privName=$temp_file
fi
done
echo $privName

  base/docker-compose-base.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: orderer.example.com:
container_name: orderer.example.com
image: hyperledger/fabric-orderer
environment:
- ORDERER_GENERAL_LOGLEVEL=debug
- ORDERER_GENERAL_LISTENADDRESS=0.0.0.0
- ORDERER_GENERAL_GENESISMETHOD=file
- ORDERER_GENERAL_GENESISFILE=/var/hyperledger/orderer/orderer.genesis.block
- ORDERER_GENERAL_LOCALMSPID=OrdererMSP
- ORDERER_GENERAL_LOCALMSPDIR=/var/hyperledger/orderer/msp
# enabled TLS
- ORDERER_GENERAL_TLS_ENABLED=true
- ORDERER_GENERAL_TLS_PRIVATEKEY=/var/hyperledger/orderer/tls/server.key
- ORDERER_GENERAL_TLS_CERTIFICATE=/var/hyperledger/orderer/tls/server.crt
- ORDERER_GENERAL_TLS_ROOTCAS=[/var/hyperledger/orderer/tls/ca.crt]
working_dir: /opt/gopath/src/github.com/hyperledger/fabric
command: orderer
volumes:
- ../channel-artifacts/genesis.block:/var/hyperledger/orderer/orderer.genesis.block
- ../crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/msp:/var/hyperledger/orderer/msp
- ../crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/tls/:/var/hyperledger/orderer/tls
ports:
- 7050:7050 peer0.org1.example.com:
container_name: peer0.org1.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer0.org1.example.com
- CORE_PEER_ADDRESS=peer0.org1.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer0.org1.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer0.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 7051:7051
- 7052:7052
- 7053:7053 peer1.org1.example.com:
container_name: peer1.org1.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer1.org1.example.com
- CORE_PEER_ADDRESS=peer1.org1.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer1.org1.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer1.org1.example.com:7051
- CORE_PEER_GOSSIP_BOOTSTRAP=peer0.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer1.org1.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org1.example.com/peers/peer1.org1.example.com/tls:/etc/hyperledger/fabric/tls ports:
- 8051:7051
- 8052:7052
- 8053:7053 peer0.org2.example.com:
container_name: peer0.org2.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer0.org2.example.com
- CORE_PEER_ADDRESS=peer0.org2.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer0.org2.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer0.org2.example.com:7051
- CORE_PEER_LOCALMSPID=Org2MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer0.org2.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 7051:7051
- 7052:7052
- 7053:7053 peer1.org2.example.com:
container_name: peer1.org2.example.com
extends:
file: peer-base.yaml
service: peer-base
environment:
- CORE_PEER_ID=peer1.org2.example.com
- CORE_PEER_ADDRESS=peer1.org2.example.com:7051
- CORE_PEER_CHAINCODELISTENADDRESS=peer1.org2.example.com:7052
- CORE_PEER_GOSSIP_EXTERNALENDPOINT=peer1.org2.example.com:7051
- CORE_PEER_GOSSIP_BOOTSTRAP=peer0.org2.example.com:7051
- CORE_PEER_LOCALMSPID=Org2MSP
volumes:
- /var/run/:/host/var/run/
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer1.org2.example.com/msp:/etc/hyperledger/fabric/msp
- ../crypto-config/peerOrganizations/org2.example.com/peers/peer1.org2.example.com/tls:/etc/hyperledger/fabric/tls
ports:
- 8051:7051
- 8052:7052
- 8053:7053

  base/peer-base.yaml

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2'
services:
peer-base:
image: hyperledger/fabric-peer
environment:
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
# the following setting starts chaincode containers on the same
# bridge network as the peers
# https://docs.docker.com/compose/networking/
- CORE_VM_DOCKER_HOSTCONFIG_NETWORKMODE=e2e_cli_default
#- CORE_LOGGING_LEVEL=ERROR
- CORE_LOGGING_LEVEL=DEBUG
- CORE_PEER_TLS_ENABLED=false
- CORE_PEER_GOSSIP_USELEADERELECTION=true
- CORE_PEER_GOSSIP_ORGLEADER=false
- CORE_PEER_PROFILE_ENABLED=true
- CORE_PEER_TLS_CERT_FILE=/etc/hyperledger/fabric/tls/server.crt
- CORE_PEER_TLS_KEY_FILE=/etc/hyperledger/fabric/tls/server.key
- CORE_PEER_TLS_ROOTCERT_FILE=/etc/hyperledger/fabric/tls/ca.crt
working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
command: peer node start

  

 aa

# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: peer1.org1.example.com:
container_name: peer1.org1.example.com
environment:
- CORE_LEDGER_STATE_STATEDATABASE=CouchDB
- CORE_LEDGER_STATE_COUCHDBCONFIG_COUCHDBADDRESS=10.20.31.126:5984
- CORE_LEDGER_STATE_COUCHDBCONFIG_USERNAME=admin
- CORE_LEDGER_STATE_COUCHDBCONFIG_PASSWORD=password
extends:
file: base/docker-compose-base.yaml
service: peer1.org1.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128"
- "peer0.org1.example.com:10.20.31.127" ca0:
image: hyperledger/fabric-ca
environment:
- FABRIC_CA_HOME=/etc/hyperledger/fabric-ca-server
- FABRIC_CA_SERVER_CA_NAME=ca0
- FABRIC_CA_SERVER_TLS_ENABLED=false
ports:
- "7054:7054"
command: sh -c 'fabric-ca-server start --ca.certfile /etc/hyperledger/fabric-ca-server-config/ca.org1.example.com-cert.pem --ca.keyfile /etc/hyperledger/fabric-ca-server-config/${PRIVATE_KEY} -b admin:adminpw -d'
volumes:
- ./crypto-config/peerOrganizations/org1.example.com/ca/:/etc/hyperledger/fabric-ca-server-config
container_name: ca0 cli:
container_name: cli
image: hyperledger/fabric-tools
tty: true
environment:
- GOPATH=/opt/gopath
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
- CORE_LOGGING_LEVEL=DEBUG
- CORE_PEER_ID=cli
- CORE_PEER_ADDRESS=peer1.org1.example.com:7051
- CORE_PEER_LOCALMSPID=Org1MSP
- CORE_PEER_TLS_ENABLED=false
- CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp
working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
volumes:
- /var/run/:/host/var/run/
- ../chaincode/go/:/opt/gopath/src/github.com/hyperledger/fabric/examples/chaincode/go
- ./crypto-config:/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/
- ./scripts:/opt/gopath/src/github.com/hyperledger/fabric/peer/scripts/
- ./channel-artifacts:/opt/gopath/src/github.com/hyperledger/fabric/peer/channel-artifacts
depends_on:
- peer1.org1.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128"
- "peer0.org1.example.com:10.20.31.127"
- "peer1.org1.example.com:10.20.31.126"
- "peer0.org2.example.com:10.20.31.131"
- "peer1.org2.example.com:10.20.31.132"

  aa

[root@C20-19U-131 e2e_cli]# cat docker-compose-peer.yaml
# Copyright IBM Corp. All Rights Reserved.
#
# SPDX-License-Identifier: Apache-2.0
# version: '2' services: peer0.org2.example.com:
container_name: peer0.org2.example.com
environment:
- CORE_LEDGER_STATE_STATEDATABASE=CouchDB
- CORE_LEDGER_STATE_COUCHDBCONFIG_COUCHDBADDRESS=10.20.31.131:5984
- CORE_LEDGER_STATE_COUCHDBCONFIG_USERNAME=admin
- CORE_LEDGER_STATE_COUCHDBCONFIG_PASSWORD=password
extends:
file: base/docker-compose-base.yaml
service: peer0.org2.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128"
- "peer0.org1.example.com:10.20.31.127"
- "peer1.org1.example.com:10.20.31.126" ca0:
image: hyperledger/fabric-ca
environment:
- FABRIC_CA_HOME=/etc/hyperledger/fabric-ca-server
- FABRIC_CA_SERVER_CA_NAME=ca0
- FABRIC_CA_SERVER_TLS_ENABLED=false
ports:
- "7054:7054"
command: sh -c 'fabric-ca-server start --ca.certfile /etc/hyperledger/fabric-ca-server-config/ca.org2.example.com-cert.pem --ca.keyfile /etc/hyperledger/fabric-ca-server-config/${PRIVATE_KEY} -b admin:adminpw -d'
volumes:
- ./crypto-config/peerOrganizations/org2.example.com/ca/:/etc/hyperledger/fabric-ca-server-config
container_name: ca0 cli:
container_name: cli
image: hyperledger/fabric-tools
tty: true
environment:
- GOPATH=/opt/gopath
- CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
- CORE_LOGGING_LEVEL=DEBUG
- CORE_PEER_ID=cli
- CORE_PEER_ADDRESS=peer0.org2.example.com:7051
- CORE_PEER_LOCALMSPID=Org2MSP
- CORE_PEER_TLS_ENABLED=false
- CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.example.com/users/Admin@org2.example.com/msp
working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
volumes:
- /var/run/:/host/var/run/
- ../chaincode/go/:/opt/gopath/src/github.com/hyperledger/fabric/examples/chaincode/go
- ./crypto-config:/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/
- ./scripts:/opt/gopath/src/github.com/hyperledger/fabric/peer/scripts/
- ./channel-artifacts:/opt/gopath/src/github.com/hyperledger/fabric/peer/channel-artifacts
depends_on:
- peer0.org2.example.com
extra_hosts:
- "orderer.example.com:10.20.31.128"
- "peer0.org1.example.com:10.20.31.127"
- "peer1.org1.example.com:10.20.31.126"
- "peer0.org2.example.com:10.20.31.131"
- "peer1.org2.example.com:10.20.31.132"

  sss

#!/bin/bash
folder="crypto-config/peerOrganizations/org2.example.com/ca"
privName=""
for file_a in ${folder}/*
do
temp_file=`basename $file_a` if [ ${temp_file##*.} != "pem" ];then
privName=$temp_file
fi
done
echo $privName

  

save的更多相关文章

  1. Backbone中的model和collection在做save或者create操作时, 如何选择用POST还是PUT方法 ?

    Model和Collection和后台的WEB server进行数据同步非常方便, 都只需要在实行里面添加一url就可以了,backbone会在model进行save或者collection进行cre ...

  2. redis-内存异常 Redis is configured to save RDB snapshots解决

    连接reids获取数据时提示 Redis is configured to save RDB snapshots, but is currently not able to persist on di ...

  3. (error) MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk

    今天运行Redis时发生错误,错误信息如下: (error) MISCONF Redis is configured to save RDB snapshots, but is currently n ...

  4. Money, save or spend, this is a problem .

    Win a lottery? Had a great hand at the casino? Did fortune shine upon you in the stock market? 彩票中了大 ...

  5. canvas的save与restore方法的作用

    网上搜罗了一堆资料,最后总结一下. save:用来保存Canvas的状态.save之后,可以调用Canvas的平移.放缩.旋转.错切.裁剪等操作. restore:用来恢复Canvas之前保存的状态. ...

  6. Unity 好坑的Save Scene

    在编辑一个Untiy工程的时候,有很多的教程提到了 "Save Scene",也知道是干么用的.但是,后面打开工程的时候,工程界面是很多东西都不见了,又忘了有个Save Scene ...

  7. spring spring data jpa save操作事务

    整合spring spring data jpa的时候,在save方法上加了@Transactional注解.此时调用springdatajpa save方法并不会真的把数据提交给数据库,而是缓存起来 ...

  8. Hibernate Session中的save(),update(),delete(),saveOrUpdate() 细粒度分析

    Hibernate在对资料库进行操作之前,必须先取得Session实例,相当于JDBC在对资料库操作之前,必须先取得Connection实例, Session是Hibernate操作的基础,它不是设计 ...

  9. canvas 图片拖拽旋转之二——canvas状态保存(save和restore)

    引言 在上一篇日志“canvas 图片拖拽旋转之一”中,对坐标转换有了比较深入的了解,但是仅仅利用坐标转换实现的拖拽旋转,会改变canvas坐标系的状态,从而影响画布上其他元素的绘制.因此,这个时候需 ...

  10. save(),saveOrUpdate(),merge()的区别

    Save save()方法能够保存实体到数据库,正如方法名称save这个单词所表明的意思.我们能够在事务之外调用这个方法,这也是我不喜欢使用这个方法保存数据的原因.假如两个实体之间有关系(例如empl ...

随机推荐

  1. 遍历form表单里面的表单元素,取其value

    form.elements 获取所有表单元素 form 表单 <form action="http://localhost:1995/api/post" class=&quo ...

  2. ThinkPHP框架 3.2.2 获取系统常量信息 连接数据库 命名空间的理解

    获取系统常量信息 随便一个方法里加上这句话都能获取到系统常量信息!! var_dump(get_defined_constants()); <?php namespace Admin\Contr ...

  3. ML.NET速览

    什么是ML.NET? ML.NET是由微软创建,为.NET开发者准备的开源机器学习框架.它是跨平台的,可以在macOS,Linux及Windows上运行. 机器学习管道 ML.NET通过管道(pipe ...

  4. RabbitMQ in Depth札记——AMQ协议

    RPC传输 作为AMQP的实现,RabbitMQ使用RPC(remote procedure call)模式进行远程会话.而不同于一般的RPC会话--客户端发出指令,服务端响应,但服务端不会向客户端发 ...

  5. Java NIO 读取文件、写入文件、读取写入混合

    前言 Java NIO(new/inputstream outputstream)使用通道.缓冲来操作流,所以要深刻理解这些概念,尤其是,缓冲中的数据结构(当前位置(position).限制(limi ...

  6. spark分组统计及二次排序案例一枚

    组织数据形式: aa 11 bb 11 cc 34 aa 22 bb 67 cc 29 aa 36 bb 33 cc 30 aa 42 bb 44 cc 49 需求: 1.对上述数据按key值进行分组 ...

  7. [cloud][sdn] ananta load balancer

    简单的说,Ananta是一个基于SDN,为第四层负载均衡和NAT提供的分布式.可伸缩架构.Ananta已经在Bing和Azure上运营了三年,服务于多路Tbps吞吐量服务器的信息交互.它最大的好处是可 ...

  8. [未解决:快速滑动collectionveiw请求数据崩溃]:unable to allocate 6553600 bytes for bitmap data

    崩溃:unable to allocate 6553600 bytes for bitmap data

  9. iOS只给矩形两个边加圆角

    - (void)updataTopCornerRadius { CGRect clipRect = CGRectMake(, , self.headPhotoIv.width, self.headPh ...

  10. 转:Eclipse 各种小图标的含义

    原文地址:https://www.cnblogs.com/widget90/p/7592507.html Eclipse 各种小图标的含义,记录一下. Eclipse的Package Explorer ...