(快速參考)

count

目的

傳回網域類別表格中的總列數

範例

int bookCount = Book.count()
快速參考 (隱藏)

命令列

用法
assemble
bootRun
create-app
create-controller
create-domain-class
create-plugin
create-restapi
create-service
create-taglib
create-web-plugin
generate-all
generate-controller
generate-views
help
install-templates
list-features
schema-export

約束

用法
attributes
bindable
blank
creditCard
email
inList
matches
max
maxSize
min
minSize
notEqual
nullable
range
scale
size
unique
url
validator
widget

控制器

用法
actionName
allowedMethods
bindData
chain
controllerName
defaultAction
errors
flash
forward
grailsApplication
hasErrors
header
namespace
params
redirect
render
request
respond
response
responseFormats
scope
servletContext
session
withForm
withFormat

資料庫對應

用法
autoImport
autoTimestamp
batchSize
cache
cascade
column
comment
discriminator
dynamicInsert
dynamicUpdate
fetch
id
ignoreNotFound
indexColumn
insertable
joinTable
lazy
order
sort
table
type
updateable
version

相依版本

用法
Grails BOM

Domain 類別

用法
addTo
attach
belongsTo
clearErrors
constraints
count
countBy
createCriteria
delete
discard
embedded
errors
executeQuery
executeUpdate
exists
fetchMode
find
findAll
findAllBy
findAllWhere
findBy
findOrCreateBy
findOrCreateWhere
findOrSaveBy
findOrSaveWhere
findWhere
first
get
getAll
getDirtyPropertyNames
getPersistentValue
hasErrors
hasMany
hasOne
ident
instanceOf
isAttached
isDirty
last
list
listOrderBy
load
lock
mapWith
mappedBy
mapping
merge
namedQueries
properties
read
refresh
removeFrom
save
transients
validate
where
whereAny
withCriteria
withNewSession
withSession
withTransaction

外掛程式

用法
URL 對應
codecs
controllers
core
dataSource
domainClasses
hibernate
i18n
logging
scaffolding
services
servlets

服務

用法
scope

Servlet API

request
response
servletContext
session