Re: [Lift] Newbie Question: Problems compiling/running examples
The latest and older maven-scala-plugin require maven 2.0.9. (I used maven 2.2.1 to build the plugin) On Mon, Nov 23, 2009 at 05:01, David Pollak feeder.of.the.be...@gmail.comwrote: Try running with Maven 2.2.x I think the latest Scala Maven plugin may require a version of Maven newer than 2.0.9 On Sun, Nov 22, 2009 at 7:55 PM, Jcon javarad...@gmail.com wrote: Today I cloned the liftweb source from git, and had a couple of problems trying to get the examples to run. Must have missed some instructions or something. What I did: 1. git clone git://github.com/dpp/liftweb.git 2. cd liftweb 3. 'mvn install' which resulted in some errors (didn't save the exact message, sorry) 4. Tried to just run the examples. 'cd lift-examples/example' 5. 'mvn install' which resulted in test errors: Results : Tests in error: wiki edit HomePage should not have HomePage content define wiki edit HomePage should allow edition of HomePage Tests run: 2, Failures: 0, Errors: 2, Skipped: 0 [INFO] [ERROR] BUILD FAILURE [INFO] [INFO] There are test failures. 6. Bypassed tests by running 'mvn install -DskipTests' and compile worked 7. 'mvn jetty:run' results in an error: ERROR - Failed to Boot java.lang.ClassNotFoundException: bootstrap.liftweb.Boot My environment: Mac running Snow Leopard Maven version: 2.0.9 Java version: 1.6.0_15 -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Access do Database objects from scala:console
Hello,
Can someone point me how to access data from Box object return by
mapper query:
Here is example (mvn scala:console)
scala new bootstrap.liftweb.Boot().boot
scala import pl.com.company.model._
import pl.com.company.model._
scala import _root_.net.liftweb.mapper._
import _root_.net.liftweb.mapper._
scala var r = RejDocBin.find(By(RejDocBin.DocBinId,4))
r: net.liftweb.common.Box[pl.com.company.model.RejDocBin] = Full
(pl.com.company.model.RejDocBin=
{docbin...@1c10834,docbinid=4,contenttype=image/jpeg,description=})
scala
I need to retrieve contenttype field and check if it is not null
However how to get by RejDocBin object from Box ?
Best regards,
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[Lift] Re: derby
Hi Jack, There are quite a few examples readily available that comes configured with Derby: http://github.com/dpp/liftweb/tree/master/lift-examples/ http://github.com/tjweir/pocketchangeapp In Boot.scala you'll see a Derby ConnectionManager defined. If you want to go the JNDI route: In Boot.scala: DefaultConnectionIdentifier.jndiName = jdbc/myDS In web.xml: resource-ref descriptionMy Data Source/description res-ref-namejdbc/myDS/res-ref-name res-typejavax.sql.DataSource/res-type res-authContainer/res-auth /resource-ref And then in your container context, use these examples: http://wiki.github.com/opyate/yauser Good luck, Juan On Nov 26, 6:48 am, jack jack.wid...@gmail.com wrote: Could somebody point me to a quickstart or tutorial about how to use Derby with Lift? -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Access do Database objects from scala:console
Marcin Jurczuk mjurc...@gmail.com writes:
Hello,
Can someone point me how to access data from Box object return by
mapper query:
[...]
scala var r = RejDocBin.find(By(RejDocBin.DocBinId,4))
r: net.liftweb.common.Box[pl.com.company.model.RejDocBin] = Full
(pl.com.company.model.RejDocBin=
{docbin...@1c10834,docbinid=4,contenttype=image/jpeg,description=})
scala
I need to retrieve contenttype field and check if it is not null
However how to get by RejDocBin object from Box ?
Best regards,
There have been many discussions about Box on the list, searching the
archives will bring a lot of info :-)
You can unpack a box in several ways, one is like this:
r.dmap(Empty contenttype)(_.contenttype.is)
or
r.open_! (but this is discouraged use, will throw if the box is empty)
Note Box is similar to Scala's option, so you might take a look here
http://blog.lostlake.org/index.php?/archives/50-The-Scala-Option-class-and-how-lift-uses-it.html
/Jeppe
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[Lift] Re: Validations
Thanks David, this did the trick.Out of curiosity: where in the docs
could I have found this information?
http://scala-tools.org/scaladocs/liftweb/1.0/net/liftweb/builtin/snippet/Msgs.html
doesn't seem to be updated ..
- suls
On Nov 25, 8:01 pm, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Wed, Nov 25, 2009 at 11:52 AM, suls s...@suls.org wrote:
Hi guys,
It seems that I don't completely understand how validations work.. I
am having a model with the following property:
object size extends MappedInt(this) {
override def validations = validPosition _ :: super.validations
def validPosition(in: Int): List[FieldError] =
if (-100 until 101 contains in) Nil
else List(FieldError(this, bPosition size must not be greater
than +/- 100/b))
}
And in the snippet I do the following:
pos.validate match {
case Nil = pos.save; S.notice(Position change
+ pos.size + for
+ pos.dateOf.asHtml + successful.)
case xs = S.error(xs); Log.error(. + xs)
}
Now something I cannot explain to myself happens: If the validation
fails, the error gets logged on the console but not displayed in the
browser:
ERROR - .List(Full(position_size) : bPosition size must not be
greater than +/- 100/b)
Am I getting something wrong with how validations work?
In your default template (templates-hidden/default.html) change lift:Msgs
/ to lift:Msgs showAll=true/
A few months back, we changed MappedFields to having a field identifier.
The default Msgs does not render error messages on fields with a field
identifier set.
Cheers, suls
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[Lift] Re: Access do Database objects from scala:console
Thanks .. read that ...and look and dmap implementation however it
doesn't work like I expected:
scala r.dmap(application/octet-stream)(_.contentType.is)
res49: java.lang.String = null
scala
There should be application/octet-stream result
scala s.dmap(app)(_.contentType.is)
res50: java.lang.String = image/jpeg
scala
That is OK - contentType exists ..
I tried .toString but doesn't work either ..
Best regards,
On 26 Lis, 11:52, Jeppe Nejsum Madsen je...@ingolfs.dk wrote:
Marcin Jurczuk mjurc...@gmail.com writes:
Hello,
Can someone point me how to access data from Box object return by
mapper query:
[...]
scala var r = RejDocBin.find(By(RejDocBin.DocBinId,4))
r: net.liftweb.common.Box[pl.com.company.model.RejDocBin] = Full
(pl.com.company.model.RejDocBin=
{docbin...@1c10834,docbinid=4,contenttype=image/jpeg,description=})
scala
I need to retrieve contenttype field and check if it is not null
However how to get by RejDocBin object from Box ?
Best regards,
There have been many discussions about Box on the list, searching the
archives will bring a lot of info :-)
You can unpack a box in several ways, one is like this:
r.dmap(Empty contenttype)(_.contenttype.is)
or
r.open_! (but this is discouraged use, will throw if the box is empty)
Note Box is similar to Scala's option, so you might take a look here
http://blog.lostlake.org/index.php?/archives/50-The-Scala-Option-clas...
/Jeppe
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Re: [Lift] derby
On Wed, Nov 25, 2009 at 10:48 PM, jack jack.wid...@gmail.com wrote: Could somebody point me to a quickstart or tutorial about how to use Derby with Lift? Derby is inferior in every way to H2 (another open source pure Java relational database). If you're building something for production, Postgresql is your best choice. If you need a simple database that needs no separate process and just works H2 is your best choice. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Access do Database objects from scala:console
Marcin Jurczuk mjurc...@gmail.com writes: Thanks .. read that ...and look and dmap implementation however it doesn't work like I expected: scala r.dmap(application/octet-stream)(_.contentType.is) res49: java.lang.String = null This is (probably) because contentType is null. The dmap only opens the Box returned from the query. This will be empty if the query fails. Now you have the result of the query, but the result can still contain a null value for the field contentType, so you need something like this: r.dmap(application/octet-stream)(b = if (b.contentType.is == null) application/octet-stream else b.contentType.is) or, to be more DRY r.flatMap(b = Box !! b.contentType.is) openOr application/octet-stream Basically, unpack the query result and put the contenType in a new box, unpack everything or return the default :-) /Jeppe -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Access do Database objects from scala:console
Thanks ! :)
Your solution is much DRY then my :) :
{img.contentType.toString.isEmpty match {
case true = application/
octet-stream
case false =
img.contentType.is.toString}}
Best regards,
On 26 Lis, 15:10, Jeppe Nejsum Madsen je...@ingolfs.dk wrote:
Marcin Jurczuk mjurc...@gmail.com writes:
Thanks .. read that ...and look and dmap implementation however it
doesn't work like I expected:
scala r.dmap(application/octet-stream)(_.contentType.is)
res49: java.lang.String = null
This is (probably) because contentType is null. The dmap only opens the
Box returned from the query. This will be empty if the query fails.
Now you have the result of the query, but the result can still contain a
null value for the field contentType, so you need something like this:
r.dmap(application/octet-stream)(b = if (b.contentType.is == null)
application/octet-stream else b.contentType.is)
or, to be more DRY
r.flatMap(b = Box !! b.contentType.is) openOr application/octet-stream
Basically, unpack the query result and put the contenType in a new box,
unpack everything or return the default :-)
/Jeppe
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[Lift] Oracle DB connection in 1.1-m7
Hi, I see that there is a DriverType and OracleDriver in 1.1-m7 but again I don't know how to connect the dots. How would a DB.defineConnectionManager method call that uses an oracle db look like? Thanks, suls -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Looking for an example of how to do master detail, on the view side
Excellent. He's already where I was headed :) On Wed, Nov 25, 2009 at 8:51 PM, David Pollak feeder.of.the.be...@gmail.com wrote: Kris blogged about a really nice pattern: http://logji.blogspot.com/ On Wed, Nov 25, 2009 at 3:16 PM, Jim Barrows jim.barr...@gmail.comwrote: I'm using JPA, and need to do a One-Many, or master detail view. So I tried the obvious: lift:PersonSnippets.save form=post !-- form -- /lift:PersonSnippets.save lift:PersonSnippets.addContactMechanism form=post /lift:PersonSnippets.addContactMechanism However, the HTML that gets generated is the same form for both. Is there an example somewhere I've missed about how to do this? -- James A Barrows -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- James A Barrows -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Looking for an example of how to do master detail, on the view side
Agreed - Kirs' idea is a nice one. It would be good to incorporate such a pattern in the lift examples. Cheers, Tim On 26 Nov 2009, at 15:42, Jim Barrows wrote: Excellent. He's already where I was headed :) On Wed, Nov 25, 2009 at 8:51 PM, David Pollak feeder.of.the.be...@gmail.com wrote: Kris blogged about a really nice pattern: http://logji.blogspot.com/ On Wed, Nov 25, 2009 at 3:16 PM, Jim Barrows jim.barr...@gmail.com wrote: I'm using JPA, and need to do a One-Many, or master detail view. So I tried the obvious: lift:PersonSnippets.save form=post !-- form -- /lift:PersonSnippets.save lift:PersonSnippets.addContactMechanism form=post /lift:PersonSnippets.addContactMechanism However, the HTML that gets generated is the same form for both. Is there an example somewhere I've missed about how to do this? -- James A Barrows -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- James A Barrows -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Oracle DB connection in 1.1-m7
All right. Figuring out the proper JDBC string was all. Schemifyer seems to then pick the right driver and produce DDL for the specific DB. Great stuff. On Nov 26, 3:17 pm, suls s...@suls.org wrote: Hi, I see that there is a DriverType and OracleDriver in 1.1-m7 but again I don't know how to connect the dots. How would a DB.defineConnectionManager method call that uses an oracle db look like? Thanks, suls -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Oracle DB connection in 1.1-m7
I think the MappedBoolean isn't properly done in the OracleDriver: scala User.findAll(By(User.superUser, false)) java.sql.SQLException: Invalid column type at oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:112) at oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:146) at oracle.jdbc.driver.DatabaseError.throwSqlException (DatabaseError.java:208) at oracle.jdbc.driver.OraclePreparedStatement.setObjectCritical (OraclePreparedStatement.java:9168) at ora... And if you look at the generated DDL: CREATE TABLE USERS ( ... SUPERUSER decimal(22), ... ); Any hints on how to solve this? Btw, it's a 10g data base On Nov 26, 4:14 pm, Mathias Sulser s...@suls.org wrote: All right. Figuring out the proper JDBC string was all. Schemifyer seems to then pick the right driver and produce DDL for the specific DB. Great stuff. On Nov 26, 3:17 pm, suls s...@suls.org wrote: Hi, I see that there is a DriverType and OracleDriver in 1.1-m7 but again I don't know how to connect the dots. How would a DB.defineConnectionManager method call that uses an oracle db look like? Thanks, suls -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] simple database question
I have my database configured properly in Boot.scala and in my pom.xml. Suppose I have a table name person with a field called name. What is the simple code to return all rows of this table using Mapper. I want to understand the essence of how lift ties tables to objects with a simple example. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: simple database question
Here is what you need for a minimal Person table that contains two
columns: an id for the primary key, and name which is a string:
package com.jacksdomain.model
import net.liftweb.mapper._
class Person extends LongKeyedMapper[Person] with IdPK {
def getSingleton = Person
object name extends MappedString(this, 100)
}
object Person extends Person with LongKeyedMetaMapper[Person] {
override def dbTableName = person
}
You can then do things like this:
val person = Person.find(1) // retrieve the person with id = 1 from
the database
val person = Person.find(By(Person.name, Jack)) // retrieve the
person with name = Jack from the database
val people = Person.findAll() // retrieve all people form the database
val people = Person.findAll(By_(Person.id, 10)) // retrieve all the
people with id 10
etc.
-harryh
On Nov 26, 1:39 pm, jack jack.wid...@gmail.com wrote:
wow. thats impressive. But for this, what does the Person class have
to look like? Suppose I have the table but I don't have the Person
class written. What does it need to look like?
On Nov 26, 1:32 pm, harryh har...@gmail.com wrote:
val people = Person.findAll()
On Nov 26, 1:22 pm, jack jack.wid...@gmail.com wrote:
I have my database configured properly in Boot.scala and in my
pom.xml. Suppose I have a table name person with a field called name.
What is the simple code to return all rows of this table using Mapper.
I want to understand the essence of how lift ties tables to objects
with a simple example.
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Re: [Lift] Re: simple database question
excellent. Thanks. Just what I needed.
On Thu, Nov 26, 2009 at 2:34 PM, harryh har...@gmail.com wrote:
Here is what you need for a minimal Person table that contains two
columns: an id for the primary key, and name which is a string:
package com.jacksdomain.model
import net.liftweb.mapper._
class Person extends LongKeyedMapper[Person] with IdPK {
def getSingleton = Person
object name extends MappedString(this, 100)
}
object Person extends Person with LongKeyedMetaMapper[Person] {
override def dbTableName = person
}
You can then do things like this:
val person = Person.find(1) // retrieve the person with id = 1 from
the database
val person = Person.find(By(Person.name, Jack)) // retrieve the
person with name = Jack from the database
val people = Person.findAll() // retrieve all people form the database
val people = Person.findAll(By_(Person.id, 10)) // retrieve all the
people with id 10
etc.
-harryh
On Nov 26, 1:39 pm, jack jack.wid...@gmail.com wrote:
wow. thats impressive. But for this, what does the Person class have
to look like? Suppose I have the table but I don't have the Person
class written. What does it need to look like?
On Nov 26, 1:32 pm, harryh har...@gmail.com wrote:
val people = Person.findAll()
On Nov 26, 1:22 pm, jack jack.wid...@gmail.com wrote:
I have my database configured properly in Boot.scala and in my
pom.xml. Suppose I have a table name person with a field called name.
What is the simple code to return all rows of this table using
Mapper.
I want to understand the essence of how lift ties tables to objects
with a simple example.
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[Lift] Impossible to use Mapper on GAE?
Hi, I read from the list that Mapper is not supported on Google App Engine (I see people use JPA instead.) I wonder if this is a matter of non-existent drivers, or there are some fundamental issues that make it impossible? Thanks, Jack -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] derby
Hi David, Would you care to elaborate in what way Derby is inferior? I understand H2 is probably faster as speed is one of its main design goals. Does Derby have any other issues? Are there any potential issues with using H2 for production? Thanks, Jack Derby is inferior in every way to H2 (another open source pure Java relational database). If you're building something for production, Postgresql is your best choice. If you need a simple database that needs no separate process and just works H2 is your best choice. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: how does lift work with redis?
So, if I want to use nosql database with LIFT, what I have to use is JDBC driver, am I right? Any experienced suggestion? Google has very little searching result on it. I'd appreciate any idea on this topic. Thanks. Regards, Surfman On 11月25日, 下午4时06分, Timothy Perrett timo...@getintheloop.eu wrote: Correct - Redis is a nosql database, mapper is only for RDBMS Cheers, Tim On 25 Nov 2009, at 20:13, surfman wrote: Thanks. Does it mean I may not use lift mapper and I have to write everything for database manipulation? regards, surfman On 11月24日, 下午5时12分, Timothy Perrett timo...@getintheloop.eu wrote: There is no out of the box implementation. You could write a record back end though - it depends on the features you want I guess. Cheers, Tim Sent from my iPhone On 24 Nov 2009, at 22:00, surfman chinasmile...@gmail.com wrote: Is there anything I could learn on how lift works with redis database? Thanks. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en .- 隐藏被引用文字 - - 显示引用的文字 - -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/liftweb?hl=en.- 隐藏被引用文字 - - 显示引用的文字 - -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
