关于SQL命令COPY与元命令\copy说法正确的是: A. 执行COPY命令要求操作系统的root权限 B. 执行\copy命令要求数据库超级用户权限 C. COPY命令无法处理格式错误的数据行 D. \copy命令的效率优于COPY命令

时间: 2023-09-08 14:05:18 浏览: 410
### 回答1: B. 执行\copy命令要求数据库超级用户权限。 COPY命令是PostgreSQL内置命令,可以将数据从文件导入到表中或将表中数据导出到文件中。而\copy命令是psql客户端的元命令,它与COPY命令类似,但是可以在psql客户端中使用,不需要切换到数据库服务器上执行。 对于COPY命令和\copy命令来说,A. 执行COPY命令要求操作系统的root权限是错误的。因为COPY命令和\copy命令只需要数据库超级用户权限即可执行。 D. \copy命令的效率优于COPY命令也是错误的,因为COPY命令和\copy命令的实现方式和效率是相同的。 ### 回答2: 关于SQL命令COPY与元命令\copy的说法,正确的是: B. 执行\copy命令要求数据库超级用户权限。 COPY命令是SQL命令,用于将数据从一个表复制到另一个表或从文件中导入数据到表中。执行COPY命令不需要操作系统的root权限,而是需要数据库超级用户权限。 \copy命令是元命令,用于在psql命令行界面中执行复制操作。执行\copy命令需要数据库超级用户权限,因为它直接与数据库进行交互。 关于C和D选项的说法,均不正确。 C. COPY命令可以处理格式错误的数据行。在尝试复制数据时,COPY命令可以检测并报告格式错误的数据行,并且可以选择忽略或者跳过这些错误行。 D. \copy命令的效率并不一定优于COPY命令。COPY命令是直接在服务器上执行,而\copy命令是在客户端执行。如果数据量较大,直接在服务器上执行COPY命令可能更有效率。但对于小型数据量或者需要在客户端进行处理的情况下,\copy命令可能更适合。所以,对于效率来说,具体情况具体分析。 ### 回答3: 答案:B. 执行\copy命令要求数据库超级用户权限 关于SQL命令COPY与元命令\copy的说法,正确的是B. 执行\copy命令要求数据库超级用户权限。 A. 执行COPY命令要求操作系统的root权限是不正确的。COPY命令是数据库服务器提供的SQL命令,不需要操作系统的root权限来执行。 C. COPY命令可以处理格式错误的数据行。COPY命令在执行时可以指定数据的格式以及处理错误数据的方式,可以对格式错误的数据进行处理。 D. \copy命令的效率不一定优于COPY命令。\copy命令是psql客户端提供的元命令,用于在客户端执行文件的导入导出操作。而COPY命令是在数据库服务器上直接执行的,由于节省了网络传输的时间,所以通常比\copy命令的效率更高。但具体的效率还会受到其他因素的影响,如数据量的大小、网络状况等。
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root@ecm-e00f:/yunxiang/data/nacos/conf# vim application.properties root@ecm-e00f:/yunxiang/data/nacos/conf# cat application.properties # # Copyright 1999-2021 Alibaba Group Holding Ltd. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # #*************** Spring Boot Related Configurations ***************# ### Default web context path: server.servlet.contextPath=/nacos ### Include message field server.error.include-message=ALWAYS ### Default web server port: server.port=8848 #*************** Network Related Configurations ***************# ### If prefer hostname over ip for Nacos server addresses in cluster.conf: # nacos.inetutils.prefer-hostname-over-ip=false ### Specify local server's IP: # nacos.inetutils.ip-address= #*************** Config Module Related Configurations ***************# ### If use MySQL as datasource: ### Deprecated configuration property, it is recommended to use spring.sql.init.platform replaced. spring.sql.init.platform=mariadb ### Count of DB: db.num=1 ### Connect URL of DB: db.url.0=jdbc:mariadb://127.0.0.1:3306/transport_config?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC&useSSL=false db.user.0=transport_config_user db.password.0=Yx_sec_Db@911^38 db.driver.0=org.mariadb.jdbc.Driver ### Connection pool configuration: hikariCP db.pool.config.connectionTimeout=30000 db.pool.config.validationTimeout=10000 db.pool.config.maximumPoolSize=20 db.pool.config.minimumIdle=2 ### the maximum retry times for push nacos.config.push.maxRetryTime=50 #*************** Naming Module Related Configurations ***************# ### If enable data warmup. 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root@ecm-e00f:/yunxiang/data/nacos/conf# cat application.properties # # Copyright 1999-2021 Alibaba Group Holding Ltd. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # #*************** Spring Boot Related Configurations ***************# ### Default web context path: server.servlet.contextPath=/nacos ### Include message field server.error.include-message=ALWAYS ### Default web server port: server.port=8848 #*************** Network Related Configurations ***************# ### If prefer hostname over ip for Nacos server addresses in cluster.conf: # nacos.inetutils.prefer-hostname-over-ip=false ### Specify local server's IP: # nacos.inetutils.ip-address= #*************** Config Module Related Configurations ***************# ### If use MySQL as datasource: ### Deprecated configuration property, it is recommended to use spring.sql.init.platform replaced. spring.datasource.platform=mariadb # spring.sql.init.platform=mysql ### Count of DB: db.num=1 ### Connect URL of DB: db.url.0=jdbc:mariadb://127.0.0.1:3306/transport_config?useUnicode=true&characterEncoding=utf8&serverTimezone=UTC&useSSL=false db.user.0=transport_config_user db.password.0=Yx_sec_Db@911^38 db.driver.0=org.mariadb.jdbc.Driver #db.url.0=jdbc:mariadb://127.0.0.1:3306/transport_config?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC&useSSL=false&characterEncoding=utf8 #db.user.0=transport_config_user #db.password.0=Yx_sec_Db@911^38 ### Connection pool configuration: hikariCP db.pool.config.connectionTimeout=30000 db.pool.config.validationTimeout=10000 db.pool.config.maximumPoolSize=20 db.pool.config.minimumIdle=2 ### the maximum retry times for push nacos.config.push.maxRetryTime=50 #*************** Naming Module Related Configurations ***************# ### If enable data warmup. If set to false, the server would accept request without local data preparation: # nacos.naming.data.warmup=true ### If enable the instance auto expiration, kind like of health check of instance: # nacos.naming.expireInstance=true nacos.naming.empty-service.auto-clean=true nacos.naming.empty-service.clean.initial-delay-ms=50000 nacos.naming.empty-service.clean.period-time-ms=30000 ### Add in 2.0.0 ### The interval to clean empty service, unit: milliseconds. # nacos.naming.clean.empty-service.interval=60000 ### The expired time to clean empty service, unit: milliseconds. # nacos.naming.clean.empty-service.expired-time=60000 ### The interval to clean expired metadata, unit: milliseconds. # nacos.naming.clean.expired-metadata.interval=5000 ### The expired time to clean metadata, unit: milliseconds. # nacos.naming.clean.expired-metadata.expired-time=60000 ### The delay time before push task to execute from service changed, unit: milliseconds. # nacos.naming.push.pushTaskDelay=500 ### The timeout for push task execute, unit: milliseconds. # nacos.naming.push.pushTaskTimeout=5000 ### The delay time for retrying failed push task, unit: milliseconds. # nacos.naming.push.pushTaskRetryDelay=1000 ### Since 2.0.3 ### The expired time for inactive client, unit: milliseconds. # nacos.naming.client.expired.time=180000 #*************** CMDB Module Related Configurations ***************# ### The interval to dump external CMDB in seconds: # nacos.cmdb.dumpTaskInterval=3600 ### The interval of polling data change event in seconds: # nacos.cmdb.eventTaskInterval=10 ### The interval of loading labels in seconds: # nacos.cmdb.labelTaskInterval=300 ### If turn on data loading task: # nacos.cmdb.loadDataAtStart=false #***********Metrics for tomcat **************************# server.tomcat.mbeanregistry.enabled=true #***********Expose prometheus and health **************************# #management.endpoints.web.exposure.include=prometheus,health ### Metrics for elastic search management.metrics.export.elastic.enabled=false #management.metrics.export.elastic.host=http://localhost:9200 ### Metrics for influx management.metrics.export.influx.enabled=false #management.metrics.export.influx.db=springboot #management.metrics.export.influx.uri=http://localhost:8086 #management.metrics.export.influx.auto-create-db=true #management.metrics.export.influx.consistency=one #management.metrics.export.influx.compressed=true #*************** Access Log Related Configurations ***************# ### If turn on the access log: server.tomcat.accesslog.enabled=true ### file name pattern, one file per hour server.tomcat.accesslog.rotate=true server.tomcat.accesslog.file-date-format=.yyyy-MM-dd-HH ### The access log pattern: server.tomcat.accesslog.pattern=%h %l %u %t "%r" %s %b %D %{User-Agent}i %{Request-Source}i ### The directory of access log: server.tomcat.basedir=file:. #*************** Access Control Related Configurations ***************# ### If enable spring security, this option is deprecated in 1.2.0: #spring.security.enabled=false ### The ignore urls of auth nacos.security.ignore.urls=/,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-ui/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/** ### The auth system to use, currently only 'nacos' and 'ldap' is supported: nacos.core.auth.system.type=nacos ### If turn on auth system: nacos.core.auth.enabled=false ### Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay. nacos.core.auth.caching.enabled=true ### Since 1.4.1, Turn on/off white auth for user-agent: nacos-server, only for upgrade from old version. nacos.core.auth.enable.userAgentAuthWhite=false ### Since 1.4.1, worked when nacos.core.auth.enabled=true and nacos.core.auth.enable.userAgentAuthWhite=false. ### The two properties is the white list for auth and used by identity the request from other server. nacos.core.auth.server.identity.key= nacos.core.auth.server.identity.value= ### worked when nacos.core.auth.system.type=nacos ### The token expiration in seconds: nacos.core.auth.plugin.nacos.token.cache.enable=false nacos.core.auth.plugin.nacos.token.expire.seconds=18000 ### The default token (Base64 String): nacos.core.auth.plugin.nacos.token.secret.key= ### worked when nacos.core.auth.system.type=ldap,{0} is Placeholder,replace login username #nacos.core.auth.ldap.url=ldap://localhost:389 #nacos.core.auth.ldap.basedc=dc=example,dc=org #nacos.core.auth.ldap.userDn=cn=admin,${nacos.core.auth.ldap.basedc} #nacos.core.auth.ldap.password=admin #nacos.core.auth.ldap.userdn=cn={0},dc=example,dc=org #nacos.core.auth.ldap.filter.prefix=uid #nacos.core.auth.ldap.case.sensitive=true #nacos.core.auth.ldap.ignore.partial.result.exception=false #*************** Control Plugin Related Configurations ***************# # plugin type #nacos.plugin.control.manager.type=nacos # local control rule storage dir, default ${nacos.home}/data/connection and ${nacos.home}/data/tps #nacos.plugin.control.rule.local.basedir=${nacos.home} # external control rule storage type, if exist #nacos.plugin.control.rule.external.storage= #*************** Config Change Plugin Related Configurations ***************# # webhook #nacos.core.config.plugin.webhook.enabled=false # It is recommended to use EB https://help.aliyun.com/document_detail/413974.html #nacos.core.config.plugin.webhook.url=http://localhost:8080/webhook/send?token=*** # The content push max capacity ,byte #nacos.core.config.plugin.webhook.contentMaxCapacity=102400 # whitelist #nacos.core.config.plugin.whitelist.enabled=false # The import file suffixs #nacos.core.config.plugin.whitelist.suffixs=xml,text,properties,yaml,html # fileformatcheck,which validate the import file of type and content #nacos.core.config.plugin.fileformatcheck.enabled=false #*************** Istio Related Configurations ***************# ### If turn on the MCP server: nacos.istio.mcp.server.enabled=false #*************** Core Related Configurations ***************# ### set the WorkerID manually # nacos.core.snowflake.worker-id= ### Member-MetaData # nacos.core.member.meta.site= # nacos.core.member.meta.adweight= # nacos.core.member.meta.weight= ### MemberLookup ### Addressing pattern category, If set, the priority is highest # nacos.core.member.lookup.type=[file,address-server] ## Set the cluster list with a configuration file or command-line argument # nacos.member.list=192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809 ## for AddressServerMemberLookup # Maximum number of retries to query the address server upon initialization # nacos.core.address-server.retry=5 ## Server domain name address of [address-server] mode # address.server.domain=jmenv.tbsite.net ## Server port of [address-server] mode # address.server.port=8080 ## Request address of [address-server] mode # address.server.url=/nacos/serverlist #*************** JRaft Related Configurations ***************# ### Sets the Raft cluster election timeout, default value is 5 second # nacos.core.protocol.raft.data.election_timeout_ms=5000 ### Sets the amount of time the Raft snapshot will execute periodically, default is 30 minute # nacos.core.protocol.raft.data.snapshot_interval_secs=30 ### raft internal worker threads # nacos.core.protocol.raft.data.core_thread_num=8 ### Number of threads required for raft business request processing # nacos.core.protocol.raft.data.cli_service_thread_num=4 ### raft linear read strategy. Safe linear reads are used by default, that is, the Leader tenure is confirmed by heartbeat # nacos.core.protocol.raft.data.read_index_type=ReadOnlySafe ### rpc request timeout, default 5 seconds # nacos.core.protocol.raft.data.rpc_request_timeout_ms=5000 #*************** Distro Related Configurations ***************# ### Distro data sync delay time, when sync task delayed, task will be merged for same data key. Default 1 second. # nacos.core.protocol.distro.data.sync.delayMs=1000 ### Distro data sync timeout for one sync data, default 3 seconds. # nacos.core.protocol.distro.data.sync.timeoutMs=3000 ### Distro data sync retry delay time when sync data failed or timeout, same behavior with delayMs, default 3 seconds. # nacos.core.protocol.distro.data.sync.retryDelayMs=3000 ### Distro data verify interval time, verify synced data whether expired for a interval. Default 5 seconds. # nacos.core.protocol.distro.data.verify.intervalMs=5000 ### Distro data verify timeout for one verify, default 3 seconds. # nacos.core.protocol.distro.data.verify.timeoutMs=3000 ### Distro data load retry delay when load snapshot data failed, default 30 seconds. # nacos.core.protocol.distro.data.load.retryDelayMs=30000 ### enable to support prometheus service discovery #nacos.prometheus.metrics.enabled=true ### Since 2.3 #*************** Grpc Configurations ***************# ## sdk grpc(between nacos server and client) configuration ## Sets the maximum message size allowed to be received on the server. #nacos.remote.server.grpc.sdk.max-inbound-message-size=10485760 ## Sets the time(milliseconds) without read activity before sending a keepalive ping. The typical default is two hours. #nacos.remote.server.grpc.sdk.keep-alive-time=7200000 ## Sets a time(milliseconds) waiting for read activity after sending a keepalive ping. Defaults to 20 seconds. #nacos.remote.server.grpc.sdk.keep-alive-timeout=20000 ## Sets a time(milliseconds) that specify the most aggressive keep-alive time clients are permitted to configure. The typical default is 5 minutes #nacos.remote.server.grpc.sdk.permit-keep-alive-time=300000 ## cluster grpc(inside the nacos server) configuration #nacos.remote.server.grpc.cluster.max-inbound-message-size=10485760 ## Sets the time(milliseconds) without read activity before sending a keepalive ping. The typical default is two hours. #nacos.remote.server.grpc.cluster.keep-alive-time=7200000 ## Sets a time(milliseconds) waiting for read activity after sending a keepalive ping. Defaults to 20 seconds. #nacos.remote.server.grpc.cluster.keep-alive-timeout=20000 ## Sets a time(milliseconds) that specify the most aggressive keep-alive time clients are permitted to configure. The typical default is 5 minutes #nacos.remote.server.grpc.cluster.permit-keep-alive-time=300000 ## open nacos default console ui #nacos.console.ui.enabled=true

创建2台系统为centos7.5的云主机,其中一台作为Ansible的母机并命名为ansible,另一台云主机命名为node,通过http服务中的ansible.tar.gz软件包在ansible节点安装Ansible服务;并用这台母机,补全Ansible脚本(在HTTP中下载install_zabbix.tar.gz并解压到/root目录下),补全Ansible脚本使得执行install_zabbix.yaml可以在node节点上完成zabbix服务的安装。 ftp.repo: [zabbix] name=zabbix baseurl=file:///opt/Zabbix enabled=1 gpgcheck=0 [ftp_centos] name=ftp_centos baseurl=ftp://controller/centos enabled=1 gpgcheck=0 [root@ansible ~]# cat install_zabbix.yaml - hosts: zabbix remote_user: root tasks: - name: rm repo shell: rm -f /etc/yum.repos.d/* - name: cp repo copy: src=/https/wenku.csdn.net/etc/yum.repos.d/ftp.repo dest=/etc/yum.repos.d/ - name: cp zabbix copy: src=/https/wenku.csdn.net/opt/zabbix dest=/opt/ - name: yum install mariadb zabbix httpd yum: name=mariadb,mariadb-server,zabbix-server-mysql,zabbix-web-mysql,zabbix-agent,trousers state=present - name: start httpd service: name=httpd state=started enabled=yes - name: start mariadb service: name=mariadb state=started enabled=yes -name: mysql passwd shell: mysqladmin -u root password 123456 - name: grant shell: mysql -u root -p123456 -e "create database zabbix character set utf8 collate utf8_bin;" && mysql -u root -p123456 -e "grant all privileges on zabbix.* to zabbix@'%' identified by 'zabbix';" && mysql -u root -p123456 -e "grant all privileges on zabbix.* to zabbix@localhost identified by 'zabbix';" - name: sql shell: zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz |mysql -u zabbix -pzabbix zabbix - name: cp config copy: src=/https/wenku.csdn.net/etc/zabbix/zabbix_server.conf dest=/etc/zabbix/ - name: start zabbix service: name=zabbix-server state=started

解释以下脚本:@echo off&setlocal enabledelayedexpansion :: 日志路径 set var_date=%date:~0,10% set var_date=%var_date:-=% set log_path=%temp%\ibdata%var_date%.log echo ******* start process ******** echo. echo %time% start process >> %log_path% echo %log_path% pause :: 脚本的存放位置固定为 D:\naura echo %cd% pause if %cd% NEQ D:\naura ( echo %time% work path is %cd% >> %log_path% echo 请将脚本文件及ibdata1文件放在 D:\naura 目录下 echo. pause exit 0 ) :: 检查ibdata1 文件是否存在 if not exist ibdata1 ( echo ibdata1 文件不存在,请检查脚本文件所在目录 echo. pause exit 0 ) :: 检查ibdata1 文件是否存在 if not exist tables.txt ( echo tables.txt 文件不存在,请检查脚本文件所在目录 echo. pause exit 0 ) :: 校验 ibdata1 的大小是否符合预期 for /f %%i in ('dir /b ibdata1') do ( echo %time% lastest ibdata1 file size is %%~zi >> %log_path% if %%~zi NEQ 10485760 ( echo ibdata1 文件大小不对,请核对脚本目录下 ibdata1 文件 echo. pause exit 0 ) ) set excute_h=1 set excute_m=1 set excute_s=1 :: 是否需要手动干预的标志 set handwork=0 :: 检查数据库是否启动 同时检查是否有数据库操作权限 tasklist|find /i "mysqld.exe" >> %log_path% if %errorlevel% NEQ 0 ( echo %time% mysql is not running and started to start >> %log_path% net start mysql >> %log_path% 2>&1 if !errorlevel! NEQ 0 ( echo %time% failed to start mysql echo mysql 启动失败,请手动启动mysql服务之后,再执行脚本 echo. pause exit 0 ) ) else ( echo %time% verify that we have execute net permission >> %log_path% net help >> %log_path% 2>&1 if !errorlevel! NEQ 0 ( echo %time% we don't have authority >> %log_path% echo 由于权限问题,清理过程需要您手动干预,请不要离开机台,注意脚本运行!! echo. pause echo. set handwork=1 ) ) echo %time% begin excute clean mysql data echo. :: 定义变量,方便修改 set mysqlServer=localhost set mysqlUser=root set mysqlPassword=8888 set database_fa300=fa300 set database_scope=scope set curObj.table=0 set curObj.field=0 set export_ingnore_table=%database_scope% set dataSavePath=naura_scope set tryCount=0 :: 获取所有数据记录表,表中数据需要根据时间备份 set tableCounts=0 set obj=0 for /f "delims=: tokens=1-2" %%i in (tables.txt) do ( for /f "skip=1" %%a in ('mysql -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% -e "select count(0) from information_schema.tables where table_name='%%i' and table_schema='%database_scope%'"') do ( if %%a EQU 1 ( set obj[!tableCounts!].table=%%i set obj[!tableCounts!].field=%%j set /a tableCounts=!tableCounts!+1 ) ) ) :: 脚本执行过程中产生的临时参数保存路径 set process_param=%temp%\ibdata_param.log :: 临时数据保存的磁盘 set param_volume=0 :: 脚本执行到第几步 set param_step=0 :: 参数文件产生日期 set param_date=0 :: 备份天数 set param_day=0 :: ibdata 文件路径 set param_ibdataPath=0; :: 导出或导入数组 obj 的下标 set param_tableIndex=0; set begin_time=%time% if not exist %process_param% goto:step0 echo %time% %process_param% file exist >> %log_path% echo ----------------------- >> %log_path% type %process_param% >> %log_path% echo ----------------------- >> %log_path% for /f "delims== tokens=1-2" %%i in (%process_param%) do ( if %%i EQU param_date ( set param_date=%%j ) ) echo %time% param_date: %param_date% >> %log_path% :: 判断已经存在的参数,是否为同一天,默认同一天的可以继续使用 if %date:~0,10% NEQ %param_date% goto:step0 :: 获取所有的参数 for /f "delims== tokens=1-2" %%i in (%process_param%) do ( if %%i EQU volume ( set param_volume=%%j ) else if %%i EQU step ( set param_step=%%j ) else if %%i EQU day ( set param_day=%%j ) else if %%i EQU ibdataPath ( set param_ibdataPath=%%j ) else ( set param_tableIndex=%%j ) ) echo %time% param: %param_volume% %param_step% %param_day% %param_ibdataPath% %param_tableIndex%>> %log_path% if not exist "%param_ibdataPath%" goto:step0 goto:step%param_step% :: 环境准备 :: 1 获取临时数据存储位置 :: 2 获取 mysql data 的位置 :: 3 判断临时数据存储空间是否满足 :: 4 估算脚本运行时间 :step0 echo %time% begin excute step0 >> %log_path% del /Q/F %process_param% >> %log_path% 2>&1 :: 自动获取可用空间最大的非系统盘, 如果存在 E 盘,则直接默认 E 盘 set param_volume=0 set volume_freespace=0 for /f "Skip=2 tokens=1-2" %%i in ('Wmic LogicalDisk where "DriveType=3" Get FreeSpace^,Name') do ( echo %time% %%j %%i >> %log_path% set tempSize=%%i set /a tempSize=!tempSize:~0,-6! / 1074 > nul 2>&1 if %%j EQU E: ( set param_volume=%%j set /a volume_freespace=!tempSize! goto:endVolume ) if !tempSize! GTR !volume_freespace! ( set param_volume=%%j set /a volume_freespace=!tempSize! ) ) :endVolume echo %time% the path to save the temp data is %param_volume%, freespce is %volume_freespace%GB >> %log_path% if not exist %param_volume%\%dataSavePath% md %param_volume%\%dataSavePath% :: 获取 ibdata1 文件路径 echo %time% show variables datadir >> %log_path% mysql -h %mysqlServer% -u %mysqlUser% -p%mysqlPassword% -e "show variables like 'datadir'" > %param_volume%\%dataSavePath%\data.txt 2>>%log_path% type %param_volume%\%dataSavePath%\data.txt >> %log_path% for /f "delims= tokens=1" %%i in (%param_volume%\%dataSavePath%\data.txt) do ( echo %%i | findstr "Value" >nul && echo. >nul || set param_ibdataPath=%%i ) set param_ibdataPath=%param_ibdataPath:~8%ibdata1 set param_ibdataPath=%param_ibdataPath:\\=\% if not exist "%param_ibdataPath%" ( mysql -h %mysqlServer% -u %mysqlUser% -p%mysqlPassword% -e "show variables like 'innodb_data_home_dir'" > %param_volume%\%dataSavePath%\data.txt 2>>%log_path% type %param_volume%\%dataSavePath%\data.txt >> %log_path% for /f "delims= tokens=1" %%i in (%param_volume%\%dataSavePath%\data.txt) do ( echo %%i | findstr "Value" >nul && echo. >nul || set param_ibdataPath=%%i ) set param_ibdataPath=!param_ibdataPath:~21!ibdata1 set param_ibdataPath=!param_ibdataPath:\\=\! ) echo. echo !param_ibdataPath! echo ibdata1 file path !param_ibdataPath! >> %log_path% echo. if not exist "%param_ibdataPath%" ( echo 没有找到 ibdata 文件,请联系软件工程师!!!! echo. pause exit ) :: 获取客户端 ibdata file size set oldIbdataSize=0 for /f "tokens=3" %%i in ('dir "%param_ibdataPath%"^|find /i "1 个文件"') do ( set oldIbdataSize=%%i ) set oldIbdataSize=%oldIbdataSize:,=% echo %time% old ibdata file size is %oldIbdataSize% >> %log_path% :: 判断临时数据存储位置的空间是否够用 set /a oldIbdataSize=%oldIbdataSize:~0,-6% / 1074 echo %time% old ibdata file size is %oldIbdataSize%GB >> %log_path% set /a oldIbdataSize=%oldIbdataSize%+10 if %volume_freespace% LSS %oldIbdataSize% ( echo %param_volume% freespce is too small >> %log_path% echo %param_volume% 剩余空间太小,至少需要 %oldIbdataSize%GB 空间,请手动清理后再次运行脚本 echo. pause exit 0 ) set /a oldIbdataSize=%oldIbdataSize%*3 echo 整个清理过程大约需要 %oldIbdataSize% min echo. set param_step=1 call:fun_save_param echo %time% end excute step0 >> %log_path% :: 输入所需备份多久的数据,主要备份腔室表和 transfer表 :step1 echo %time% begin excute step1 >> %log_path% set /p param_day=请输入需要备份数据的天数(最大为120): echo. echo %param_day%|findstr "^[0-9]*$">nul if %errorlevel% NEQ 0 ( echo 请输入整数 echo. goto:step1 ) if %param_day% GTR 120 ( echo 备份时间超过 120 ,请重新输入 echo. goto:step1 ) set param_step=2 call:fun_save_param echo %time% end excute step1 >> %log_path% :: 备份客户端 ibdata :step2 echo %time% begin excute step2 >> %log_path% set tryCount=0 :backup set /a tryCount=%tryCount% + 1 if %tryCount% EQU 4 ( echo !!!!!备份 %param_ibdataPath% 失败,请手动备份至其他磁盘后,再继续执行脚本!!!!! echo. pause set param_step=3 call:fun_save_param exit 0 ) echo %time% begin backup ibdata1 echo %time% begin backup ibdata1 >> %log_path% copy /Y/V/Z "%param_ibdataPath%" %param_volume%\%dataSavePath%\ibdata1 if %errorlevel% NEQ 0 goto:backup echo %time% end backup ibdata1 echo. set param_step=3 call:fun_save_param echo %time% end backup ibdata1 >> %log_path% echo %time% end excute step2 >> %log_path% :: 清理数据库中备份表,及备份表中数据 :step3 echo %time% begin excute step3 >> %log_path% echo %time% begin clean history table for /f "skip=1" %%a in ('mysql -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% -e "select count(0) from information_schema.tables where table_name='backuphistory' and table_schema='%database_scope%'"') do ( if %%a EQU 1 ( goto:history ) else ( goto:skiphistory ) ) :history for /f "skip=1 tokens=1" %%i in ('mysql -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% --database %database_scope% -e "select backupname from backuphistory where backuptime < date_sub(curdate(), interval %param_day% day)"') do ( echo %time% delete history table %%i echo %time% delete history table %%i >> %log_path% mysql -h%mysqlServer% -u%mysqlUser% 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%tryCount% EQU 3 ( echo 导出表 %curObj.table% 失败 无法继续 请联系软件工程人员 echo. pause exit 0 ) if %param_day% EQU 0 ( mysqldump -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% --no-data --databases %database_scope% --tables %curObj.table% > %param_volume%\%dataSavePath%\%curObj.table%.sql 2>>%log_path% ) else ( mysqldump -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% --databases %database_scope% --tables %curObj.table% --where="%curObj.field%>date_sub(curdate(), interval %param_day% day)" > %param_volume%\%dataSavePath%\%curObj.table%.sql 2>>%log_path% ) if %errorlevel% NEQ 0 ( echo %time% failed to export table:%curObj.table% >> %log_path% set /a tryCount=%tryCount% + 1 goto:exporttable ) echo %time% end export table %curObj.table% echo. echo %time% end export table %curObj.table% >> %log_path% set /a currentIndex=%currentIndex% + 1 set /a param_tableIndex=%currentIndex% call:fun_save_param goto:exportStartLoop :exportEndLoop :: 导出 scope 库 set tryCount=0 :exportscope if %tryCount% EQU 3 ( echo 导出库 %database_scope% 失败 无法继续 请联系软件工程人员 echo. pause exit 0 ) if %database_scope%% NEQ null ( echo %time% begin export database %database_scope% echo %time% begin export database %database_scope% : %export_ingnore_table% >> %log_path% mysqldump -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% --databases --events --routines %export_ingnore_table%> %param_volume%\%dataSavePath%\%database_scope%.sql 2>>%log_path% echo %time% end export database %database_scope% echo. echo %time% end export database %database_scope% >> %log_path% ) if %errorlevel% NEQ 0 ( echo %time% failed to export database:%database_scope% >> %log_path% set /a tryCount=%tryCount% + 1 goto:exportscope ) set param_step=5 call:fun_save_param echo %time% end excute step4 >> %log_path% :: 导出fa300 库 :step5 echo %time% begin excute step5 >> %log_path% set tryCount=0 :exportfa300 if %tryCount% EQU 3 ( echo 导出库 %database_fa300% 失败 无法继续 请联系软件工程人员 echo. pause exit 0 ) if %database_fa300% NEQ null ( echo %time% begin export database %database_fa300% echo %time% begin export database %database_fa300% >> %log_path% mysqldump -h%mysqlServer% -u%mysqlUser% -p%mysqlPassword% --databases --events --routines %database_fa300% > %param_volume%\%dataSavePath%\%database_fa300%.sql 2>>%log_path% echo %time% end export database %database_fa300% echo. echo %time% end export database %database_fa300% >> %log_path% ) if %errorlevel% NEQ 0 ( echo %time% failed to export database:%database_fa300% >> %log_path% set /a tryCount=%tryCount% + 1 goto:exportfa300 ) set param_step=6 set param_tableIndex=0 call:fun_save_param echo ********** export data successfully *********** echo. echo %time% exprot data successfully >> %log_path% echo %time% end excute step5 >> %log_path% :: 将干净的 ibdata 替换至客户端 :step6 echo %time% begin excute step6 >> %log_path% echo %time% begin stop mysql echo %time% begin stop mysql >> %log_path% call:fun_stopmysql echo %time% end stop mysql echo. set tryCount=0 :replace :: 三次失败尝试,如果都失败,就需要收到操作 set /a 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%param_volume%\%dataSavePath%\%database_scope%.sql 2>>%log_path% echo %time% end import basedata %database_scope% echo. echo %time% end import basedata %database_scope% >> %log_path% ) if %errorlevel% NEQ 0 ( echo %time% failed to import database:%database_scope% >> %log_path% set /a tryCount=%tryCount% + 1 goto:importscope ) set param_step=9 call:fun_save_param echo %time% end excute step8 >> %log_path% :step9 echo %time% begin excute step9 >> %log_path% call:fun_startmysql :: 循环导入数组中的表 :importStartLoop if %param_tableIndex% EQU %tableCounts% goto:importEndLoop for /f "usebackq delims==. tokens=1-3" %%i in (set obj[%param_tableIndex%]) do ( set curObj.%%j=%%k ) echo %time% begin import table %curObj.table% echo echo %time% begin import table %curObj.table% >> %log_path% set tryCount=0 :importtable if %tryCount% EQU 3 ( echo 导入表 %curObj.table% 错误无法继续,请联系软件工程人员处理 echo. pause exit 0 ) mysql -h %mysqlServer% -u %mysqlUser% -p%mysqlPassword% %database_scope% < 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0 ( echo %curObj.table% 表校验失败,请联系软件工程师处理!!! echo. pause exit 0 ) set /a currentIndex=%currentIndex% + 1 goto:checkStartLoop :checkEndLoop echo %time% end check results echo %time% end check results >> %log_path% echo ******** program executed successfully ******** echo. rename %param_volume%\%dataSavePath% %database_scope%_%var_date% >> %log_path% 2>&1 del /Q/F %process_param% >> %log_path% 2>&1 :: 计算任务执行时间 set end_time=%time% echo end time %end_time% call:fun_time_diff %begin_time%,%end_time% echo total time %excute_h%:%excute_m%:%excute_s% pause :fun_time_diff set param1=%1 set param2=%2 set /a h1=%param1:~0,2% 2>nul set /a m1=1%param1:~3,2% - 100 2>nul set /a s1=1%param1:~6,2% - 100 2>nul set /a h2=%param2:~0,2% 2>nul set /a m2=1%param2:~3,2% - 100 2>nul set /a s2=1%param2:~6,2% - 100 2>nul if %h2% LSS %h1% set /a h2=%h2%+24 set /a ts1=%h1%*3600 + %m1%*60 + %s1% set /a ts2=%h2%*3600 + %m2%*60 + %s2% set /a ts=%ts2% - %ts1% set /a excute_h=%ts%/3600 set /a excute_m=(%ts%-%excute_h%*3600)/60 set /a excute_s=%ts%%%%(60) goto:EOF :fun_save_param echo param_date=%date:~0,10%>%process_param% echo step=%param_step% >>%process_param% echo day=%param_day% >>%process_param% echo volume=%param_volume%>>%process_param% echo ibdataPath=%param_ibdataPath%>>%process_param% echo tableIndex=%param_tableIndex% >>%process_param% goto:EOF :fun_stopmysql tasklist|find /i "mysqld.exe" >> %log_path% 2>&1 if %errorlevel% NEQ 0 goto:EOF if %handwork% EQU 0 goto:stopmysql echo !!!!!! 请手动停止mysql 服务,然后继续 !!!!!! echo. pause echo. goto:fun_stopmysql ::使用命令停止 mysql 服务 :stopmysql net stop mysql >> %log_path% 2>&1 if %errorlevel% NEQ 0 set handwork=1 goto:fun_stopmysql goto:EOF :fun_startmysql tasklist|find /i "mysqld.exe" >> %log_path% 2>&1 if %errorlevel% EQU 0 goto:EOF if %handwork% EQU 0 goto:startmysql echo !!!!!!请手动启动 mysql 服务,然后继续!!!!!! echo. pause echo. goto:fun_startmysql :startmysql net start mysql >> %log_path% 2>&1 if %errorlevel% NEQ 0 set handwork=1 goto:fun_startmysql goto:EOF

look54.php: <?php session_start(); require "../db54.php"; if(!isset($_SESSION["username"])) { header("Location: ../login54.php"); exit; } $user = $_SESSION["username"]; ?> <!DOCTYPE html> <html> <head> <title>我的购物车</title> <style> table { width: 100%; border-collapse: collapse; } th, td { padding: 8px; text-align: left; border-bottom: 1px solid #ddd; } img { max-width: 100px; } </style> <script> function openme(row) { row.style.backgroundColor = "#FFFFCC"; } function closeme(row) { row.style.backgroundColor = (row.rowIndex % 2 == 1 ? "#F0F0F0" : ""); } function op(button, id) { // Implement quantity increase/decrease logic } function select_all() { // Implement select all checkboxes } function reset_all() { // Implement reset all checkboxes } function delete_all() { // Implement delete selected items } function na() { return confirm("确定要移除该商品吗?"); } function op(t,id) { value=t.value; //按钮上显示的文字 if(value=='+') { //带参数跳转,兼容Google.ie parent.top.window.location="look54.php?op=add&id="+id; } if(value=='-') { parent.top.window.location="look54.php?op=sub&id="+id; } } </script> </head> <body> 我的购物车 <?php // 显示当前用户信息 - 统一使用username if(isset($_SESSION['username'])) { echo "查看购物车 | 当前用户:" . htmlspecialchars($user) . ""; ?> <form name="cartForm" method="post"> 选择 商品名称 商品图片 订阅数量 单价 操作 <?php // 处理"拿掉该商品"超链接删除 if(isset($_GET['id']) && $_GET["op"]=="移除") { $id = $_GET['id']; $sql = "DELETE FROM dingdan54 WHERE id = $id"; if($db54->write($sql)) { echo "<script>alert('拿掉商品成功!')</script>"; } else { echo "<script>alert('拿掉商品失败!')</script>"; echo "<script>location.href('look54.php')</script>"; } } // 处理增减按钮+-操作 if(isset($_GET["op"])) { $op = $_GET["op"]; $id = $_GET['id']; // 获取当前数量 $sql = "SELECT * FROM dingdan54 WHERE id = $id"; $result = $db54->read($sql); if(count($result) > 0) { $current_num = $result[0]['num']; if($op == "add") { $new_num = $current_num + 1; } elseif($op == "sub" && $current_num > 1) { $new_num = $current_num - 1; } else { $new_num = $current_num; } // 更新数量 $update_sql = "UPDATE dingdan54 SET num = $new_num WHERE id = $id"; $db54->write($update_sql); } } // 处理"拿掉选中商品"按钮 if(isset($_GET["str"])) { $ids = explode("|", trim($_GET["str"], "|")); foreach($ids as $id) { if(is_numeric($id)) { $sql = "DELETE FROM dingdan54 WHERE id = $id"; $db54->write($sql); } } echo "<script>alert('拿掉商品成功!')</script>"; echo "<script>location.href('look54.php')</script>"; } // 显示购物车 $cart_sql = "SELECT dingdan54.id AS id, sp54.name AS name, sp54.photo AS photo, SUM(dingdan54.num) AS total_num, sp54.money AS money FROM sp54 JOIN dingdan54 ON sp54.id = dingdan54.sp_id WHERE sp54.id = dingdan54.sp_id AND dingdan54.user = '$user' AND dingdan54.flag = 0 GROUP BY sp54.id, sp54.name, sp54.photo, sp54.money"; $cart_result = $db54->read($cart_sql); $n = count($cart_result); if ($n == 0) { echo "购物车是空的!"; }else{ for ($i = 0; $i < $n; $i++) { $item = $cart_result[$i]; echo ""; echo "<input type='checkbox' name='flag' value='{$item['id']}'>"; echo "{$item['name']}"; echo ""; echo "<input type='button' name='enter' value='-' onclick='op(this, {$item['id']})'> <input type='text' name='num{$item['id']}' readonly size='3' style='text-align:center' value='{$item['total_num']}'> <input type='button' name='enter' value='+' onclick='op(this, {$item['id']})'>"; echo "{$item['money']}元"; echo " 移除该商品"; echo ""; } } ?> <input type="button" name="enter" value="全选" onclick="select_all()"> <input type="button" name="enter" value="全部取消" onclick="reset_all()"> <input type="button" name="enter" value="删除选中商品" onclick="delete_all()"> <?php $total_sql = "SELECT sp54.money AS money, dingdan54.num AS num FROM sp54, dingdan54 WHERE sp54.id = dingdan54.sp_id AND dingdan54.user = '$user' AND dingdan54.flag = 0"; $total_result = $db54->read($total_sql); $sum = 0; foreach ($total_result as $item) { $sum += $item["money"] * $item["num"]; } echo "应付金额:¥"; echo $sum . " 元"; echo " | 去付款"; ?> </form> 继续购物 <?php } ?> </body> </html> l54.php: <?php include('../db54.php'); session_start(); $user_id=$_SESSION["id"]?? 0; $sql="select * from user54 where id='$user_id'"; $result=$db54->read($sql); $username=$result[0]["username"]; ?> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>信安28班54何雨霏PHP实训</title> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="robots" content="all,follow"> </head> <body> person Nathan AndrewsWeb Developer BD Main 何雨霏的留言板 实训页面1 实训页面2 实训页面3 Example dropdown admin 查看购物车 后台管理 Login page Demo 6 New Second menu admin 查看购物车 后台管理
<?php ?> 信安28班54何雨霏PHP实训 <?php echo $username; ?> 12 You have 6 new messages 4 minutes ago You have 2 followers 4 minutes ago Server Rebooted 4 minutes ago You have 2 followers 10 minutes ago view all notifications 10 ... Jason Doesent you a direct message3 days ago at 7:58 pm - 10.06.2019 ... Frank Williamssent you a direct message3 days ago at 7:58 pm - 10.06.2019 ... Ashley Woodsent you a direct message3 days ago at 7:58 pm - 10.06.2019 Read all messages EnglishEnglish EnglishGerman EnglishFrench Logout
<?php require "daohang54.php"; ?> <?php require "look54.php"; ?>
Copyright © 信安28班54何雨霏《Web应用与安全管理实训》 All rights reserved.
<script src="https://www.jq22.com/jquery/jquery-1.10.2.js"></script> <script src="vendor/popper.js/umd/popper.min.js"> </script> <script src="https://www.jq22.com/jquery/bootstrap-4.2.1.js"></script> <script src="js/grasp_mobile_progress_circle-1.0.0.min.js"></script> <script src="vendor/jquery.cookie/jquery.cookie.js"> </script> <script src="vendor/chart.js/Chart.min.js"></script> <script src="vendor/jquery-validation/jquery.validate.min.js"></script> <script src="vendor/malihu-custom-scrollbar-plugin/jquery.mCustomScrollbar.concat.min.js"></script> <script src="js/charts-home.js"></script> <script src="js/front.js"></script> </body> </html> 页面能显示look54的内容,不能显示l54的框架

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