将信息从一个JsonBuilder对象添加到另一个JsonBuilder对象
正如标题所示,我试图将一个JsonBuilder对象中保存的信息添加到第二个JsonBuilder对象中 目前我有:将信息从一个JsonBuilder对象添加到另一个JsonBuilder对象,json,groovy,jsonbuilder,Json,Groovy,Jsonbuilder,正如标题所示,我试图将一个JsonBuilder对象中保存的信息添加到第二个JsonBuilder对象中 目前我有: public String buildOneUser(DyveUserDTO user) { def userBuilder = new JsonBuilder() userBuilder user.collect { usr -> [ 'Name': usr.userName,
public String buildOneUser(DyveUserDTO user)
{
def userBuilder = new JsonBuilder()
userBuilder user.collect { usr ->
[
'Name': usr.userName,
'Allowance': usr.allowance,
'Total Holidays in Calendar': usr.totalHolidaysInCal,
'Holidays Booked': usr.numHolidaysBooked,
'Holidays Taken': usr.numHolidaysTaken,
'Holidays Remaining': usr.totalHolidaysLeft
]
}
def userHolidayBuilder = new JsonBuilder()
userHolidayBuilder user.holidayEvents.collect { usr ->
[
'Start Date': usr.startDate,
'End Date': usr.endDate,
'Days': usr.days
]
}
def userAndHolidays = userBuilder + userHolidayBuilder
return userAndHolidays.toPrettyString()
}
user.holidayEvents是表示假日的对象列表,它可以为空,也可以包含任意数量的对象。这让我在做以下事情时犹豫不决:
def userBuilder = new JsonBuilder()
userBuilder user.collect { usr ->
[
'Name': usr.userName,
'Allowance': usr.allowance,
'Total Holidays in Calendar': usr.totalHolidaysInCal,
'Holidays Booked': usr.numHolidaysBooked,
'Holidays Taken': usr.numHolidaysTaken,
'Holidays Remaining': usr.totalHolidaysLeft
'Holiday': usr.holidayEvents[0].startDate
'Holiday': usr.holidayEvents[0].endDate
'Holiday': usr.holidayEvents[0].days
]
}
因为我只会得到我写代码的假期数量。如果用户没有假期,并且我告诉它查看usr.holidayEvents[1],因为它不在列表范围内,那么它也会抛出一个异常
我也试过在一个树上筑巢。像这样收集
def userBuilder = new JsonBuilder()
userBuilder {
'Name' user.userName,
'Allowance' user.allowance,
'Total Holidays in Calendar' user.totalHolidaysInCal,
'Holidays Booked' user.numHolidaysBooked,
'Holidays Taken' user.numHolidaysTaken,
'Holidays Remaining' user.totalHolidaysLeft,
'Holidays' user.holidayEvents.collect{ evt ->
[
'Start Date': evt.startDate,
'End Date': evt.endDate,
'Days': evt.days
]
}
}
但这返回了除假日钥匙以外的所有钥匙
任何帮助都将不胜感激
编辑-我的代码现在如下所示:
public String buildOneUser(DyveUserDTO user)
{
def userBuilder = new JsonBuilder()
userBuilder user.collect { usr ->
[
'Name': usr.userName,
'Allowance': usr.allowance,
'Total Holidays in Calendar': usr.totalHolidaysInCal,
'Holidays Booked': usr.numHolidaysBooked,
'Holidays Taken': usr.numHolidaysTaken,
'Holidays Remaining': usr.totalHolidaysLeft,
'Holidays': usr.holidayEvents.collect{ evt ->
[
'Start Date': evt.startDate,
'End Date': evt.endDate,
'Days': evt.days
]
}
]
}
}
编辑2-示例代码
要调用的方法:
public String buildOneUser(DyveUserDTO user)
{
def userBuilder = new JsonBuilder()
userBuilder {
Name:
user.userName
Allowance:
user.allowance
TotalHolidaysInCalendar:
user.totalHolidaysInCal
HolidaysBooked:
user.numHolidaysBooked
HolidaysTaken:
user.numHolidaysTaken
HolidaysRemaining:
user.totalHolidaysLeft
Holidays:
user.holidayEvents.collect { evt ->
[
'Start Date': evt.startDate,
'End Date' : evt.endDate,
'Days' : evt.days
]
}
}
return userBuilder.toPrettyString()
}
要传入的用户:
class DyveUserDTO
{
String firstName = "Foo"
String userName = "FooBar"
Integer userID = 42
BigDecimal numHolidaysBooked = 3
BigDecimal numHolidaysTaken = 0
BigDecimal totalHolidaysInCal = 3
BigDecimal totalHolidaysLeft = 12
BigDecimal allowance = 12
List<HolidayObject> holidayEvents = []
每个只返回它调用的列表,collect应该用于事件。请参阅下面的工作代码:
import groovy.json.JsonBuilder
class UserEvent {
def start
def end
def days
}
class User {
def name
def events
}
def u1 = new User(name: 'u1', events: [new UserEvent(start: 0, end: 1, days: 1), new UserEvent(start: 0, end: 2, days: 2)])
def u2 = new User(name: 'u2', events: [new UserEvent(start: 0, end: 3, days: 3)])
def users = [u1, u2]
def userBuilder = new JsonBuilder()
userBuilder users.collect { usr ->
[
'name': usr.name,
'events': usr.events.collect { e ->
[
start: e.start,
end: e.end,
days: e.days,
]
}
]
}
print userBuilder.toPrettyString()
编辑
下面是一个工作示例:
import groovy.json.JsonBuilder
user = new DyveUserDTO()
def userBuilder = new JsonBuilder()
userBuilder {
Name user.userName
Allowance user.allowance
TotalHolidaysInCalendar user.totalHolidaysInCal
HolidaysBooked user.numHolidaysBooked
HolidaysTaken user.numHolidaysTaken
HolidaysRemaining user.totalHolidaysLeft
Holidays user.holidayEvents.collect { evt ->
[
'Start Date': evt.startDate,
'End Date' : evt.endDate,
'Days' : evt.days
]
}
}
println userBuilder.toPrettyString()
class DyveUserDTO {
String firstName = "Foo"
String userName = "FooBar"
Integer userID = 42
BigDecimal numHolidaysBooked = 3
BigDecimal numHolidaysTaken = 0
BigDecimal totalHolidaysInCal = 3
BigDecimal totalHolidaysLeft = 12
BigDecimal allowance = 12
List<HolidayObject> holidayEvents = [new HolidayObject(), new HolidayObject()]
}
class HolidayObject {
public Integer userID = 42
public String title = "Foo Holiday"
public String event = "Holiday"
public String amPm = "Full Day"
public String name = "Foo"
public String startDate = '2015-02-20T00:00:00'
public String endDate = '2015-02-20T00:00:00'
public BigDecimal days = 1
}
无冒号:需要。请参见示例。另外,我没有Joda依赖项,因此用字符串替换。在上一个代码示例中,each是错误的,它只返回usr.holidayEvents。您必须使用与第一个示例中相同的collect,而不是collect并返回Mapssory@cfrick,同时提供了我的答案。更改了我使用的最后一段代码。collect但仍然不起作用?@Opal-您的代码确实起作用,但似乎不想与我的代码玩得很好。传入已生成的用户会影响这一点吗?传入已生成的用户-不明白?我已经删除了冒号,但它仍然没有拾取Holidays键。我觉得这可能需要一个新的问题,而不是在这里讨论。我会接受你的答案,因为它确实有效,我已经独立于我的代码对它进行了测试,它只是不适用于我的代码。无论如何谢谢你!
import groovy.json.JsonBuilder
user = new DyveUserDTO()
def userBuilder = new JsonBuilder()
userBuilder {
Name user.userName
Allowance user.allowance
TotalHolidaysInCalendar user.totalHolidaysInCal
HolidaysBooked user.numHolidaysBooked
HolidaysTaken user.numHolidaysTaken
HolidaysRemaining user.totalHolidaysLeft
Holidays user.holidayEvents.collect { evt ->
[
'Start Date': evt.startDate,
'End Date' : evt.endDate,
'Days' : evt.days
]
}
}
println userBuilder.toPrettyString()
class DyveUserDTO {
String firstName = "Foo"
String userName = "FooBar"
Integer userID = 42
BigDecimal numHolidaysBooked = 3
BigDecimal numHolidaysTaken = 0
BigDecimal totalHolidaysInCal = 3
BigDecimal totalHolidaysLeft = 12
BigDecimal allowance = 12
List<HolidayObject> holidayEvents = [new HolidayObject(), new HolidayObject()]
}
class HolidayObject {
public Integer userID = 42
public String title = "Foo Holiday"
public String event = "Holiday"
public String amPm = "Full Day"
public String name = "Foo"
public String startDate = '2015-02-20T00:00:00'
public String endDate = '2015-02-20T00:00:00'
public BigDecimal days = 1
}