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activiti-app\WEB-INF\classes\META-INF\activiti-app\activiti-app.properties修改此配置文件如下即可：
#
# SECURITY
#
security.rememberme.key=testkey
#
# DATABASE
#
#datasource.driver=org.h2.Driver
#datasource.url=jdbc:h2:mem:activiti;DB_CLOSE_DELAY=-1
datasource.driver=com.mysql.jdbc.Driver
datasource.url=jdbc:mysql://127.0.0.1:3306/activiti?characterEncoding=UTF-8
datasource.username=root
datasource.password=root
#hibernate.dialect=org.hibernate.dialect.H2Dialect
hibernate.dialect=org.hibernate.dialect.MySQLDialect
#hibernate.dialect=org.hibernate.dialect.Oracle10gDialect
#hibernate.dialect=org.hibernate.dialect.SQLServerDialect
#hibernate.dialect=org.hibernate.dialect.DB2Dialect
#hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
#
# EMAIL
#
#email.enabled=true
#email.host=localhost
#email.port=1025
#email.useCredentials=false
#email.username=
#email.password=
# The base url that will be used to create urls in emails.
#email.base.url=http://localhost:9999/activiti-app
#[email protected]
#email.from.default.name=Activiti
#[email protected]
#
# ACTIVITI
#
activiti.process-definitions.cache.max=500
#
# DEFAULT ADMINISTRATOR ACCOUNT
#
admin.email=admin
admin.password=test
admin.lastname=Administrator
admin.group=Superusers
# The maximum file upload limit. Set to -1 to set to 'no limit'. Expressed in bytes
file.upload.max.size=104857600
# For development purposes, data folder is created inside the sources ./data folder
contentstorage.fs.rootFolder=data/
contentstorage.fs.createRoot=true
contentstorage.fs.depth=4
contentstorage.fs.blockSize=1024