# 附录 A.流定义语言 1.0 到 2.0 的映射
自 1.0 版本发布以来,流定义语言已经发生了变化。这是 1.0 版本中的语言元素的列表,以及它们如何映射到 2.0 版本中的元素。虽然大多数变化是语义上的,但也有一些结构上的变化。有关 Web Flow1.0 和 2.0 之间的更改的更多详细信息,请参见升级指南。
表 A.1.映射
SWF 1.0 | SWF 2.0 | 评论 | ||
---|---|---|---|---|
action | * | 使用 <evaluate /> | ||
bean | * | |||
name | * | |||
method | * | |||
action-state | action-state | |||
id | id | |||
* | parent | |||
argument | * | 使用 <evaluate expression="func(arg1, arg2, ...)"/> | ||
expression | ||||
parameter-type | ||||
attribute | attribute | |||
name | name | |||
type | type | |||
value | value | |||
attribute-mapper | * | 输入和输出元素可以直接在流或子流中 | ||
bean | * | now subflow-attribute-mapper attribute on subflow-state | ||
bean-action | * | 使用 <evaluate /> | ||
bean | * | |||
name | * | |||
method | * | |||
decision-state | decision-state | |||
id | id | |||
* | parent | |||
end-actions | on-end | |||
end-state | end-state | |||
id | id | |||
view | view | |||
* | parent | |||
* | commit | |||
entry-actions | on-entry | |||
evaluate-action | evaluate | |||
expression | expression | |||
name | * | use <evaluate ...> <attribute name=”name” value="..." /> </evaluate> | ||
* | result | |||
* | result-type | |||
evaluation-result | * | 使用 <evaluate result="..." /> | ||
name | * | |||
scope | * | |||
exception-handler | exception-handler | |||
bean | bean | |||
exit-actions | on-exit | |||
flow | flow | |||
* | start-state | |||
* | parent | |||
* | abstract | |||
global-transitions | global-transitions | |||
if | if | |||
test | test | |||
then | then | |||
else | else | |||
import | bean-import | |||
resource | resource | |||
inline-flow | * | 转换到新的顶级流 | ||
id | * | |||
input-attribute | input | |||
name | name | |||
scope | * | prefix name with scope <input name="flowScope.foo" /> | ||
required | required | |||
* | type | |||
* | value | |||
input-mapper | * | 输入可以是流,也可以是子流。 | ||
mapping | input or output | |||
source | name or value | name when in flow element, value when in subflow-state element | ||
target | name or value | value when in flow element, name when in subflow-state element | ||
target-collection | * | no longer supported | ||
from | * | detected automatically | ||
to | type | |||
required | required | |||
method-argument | * | 使用 <evaluate expression="func(arg1, arg2, ...)"/> | ||
method-result | * | 使用 <evaluate result="..." /> | ||
name | * | |||
scope | * | |||
output-attribute | output | |||
name | name | |||
scope | * | prefix name with scope <output name="flowScope.foo" /> | ||
required | required | |||
* | type | |||
* | value | |||
output-mapper | * | 输出可以是流,也可以是子流。 | ||
render-actions | on-render | |||
set | set | |||
attribute | name | |||
scope | * | prefix name with scope <set name="flowScope.foo" /> | ||
value | value | |||
name | * | use <set ...> <attribute name=”name” value="..." /> </set> | ||
* | type | |||
start-actions | on-start | |||
start-state | * | 现在 <flow start-state="...">,或者默认为流中的第一个状态 | ||
idref | * | |||
subflow-state | subflow-state | |||
id | id | |||
flow | subflow | |||
* | parent | |||
* | subflow-attribute-mapper | |||
transition | transition | |||
on | on | |||
on-exception | on-exception | |||
to | to | |||
* | bind | |||
* | validate | |||
* | history | |||
value | value | |||
var | var | |||
name | name | |||
class | class | |||
scope | * | always flow scope | ||
bean | * | all Spring beans can be resolved with EL | ||
view-state | view-state | |||
id | id | |||
view | view | |||
* | parent | |||
* | redirect | |||
* | popup | |||
* | model | |||
* | history | |||
* | persistence-context | |||
* | render | |||
* | fragments | |||
* | secured | |||
* | attributes | |||
* | match |
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