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docs: update reflection

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fankesyooni
2023-10-04 01:01:15 +08:00
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docs-source/src/en/api/special-features/reflection.md
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@@ -1642,11 +1642,7 @@ For more functions, please refer to [CurrentClass.generic](../public/com/highcap
#### Restrictive Find Conditions
::: danger
In find conditions you can only use **index** function once except **order**.
:::
In find conditions you can <u>**only**</u> use `index` function once except `order`.
> The following example
@@ -1673,12 +1669,8 @@ method {
#### Necessary Find Conditions
::: danger
In common method find conditions, <u>**even methods without parameters need to set find conditions**</u>.
:::
Suppose we have the following `Class`.
> The following example
@@ -1734,9 +1726,7 @@ In the past historical versions of the API, it was allowed to match the method w
:::
#### Abbreviated Find Conditions
> In the construction method find conditions, <u>**constructors without parameters do not need to fill in the find conditions**</u>.
In the find conditions for constructors, <u>**even constructors without parameters need to set find conditions**</u>.
Suppose we have the following `Class`.
@@ -1751,7 +1741,7 @@ public class TestFoo {
}
```
We want to get the `public TestFoo()` constructor, which can be written as follows.
To get the `public TestFoo()` constructor, we must write it in the following form.
> The following example
@@ -1759,31 +1749,57 @@ We want to get the `public TestFoo()` constructor, which can be written as follo
TestFoo::class.java.constructor { emptyParam() }
```
The above example can successfully obtain the `public TestFoo()` constructor, but it feels a bit cumbersome.
The above example can successfully obtain the `public TestFoo()` constructor.
Unlike normal methods, since the constructor does not need to consider the `name`, when the constructor has no parameters, we can omit the `emptyParam` parameter.
If you write `constructor()` and miss `emptyParam()`, the result found at this time will be the first one in bytecode order, <u>**may not be parameterless** </u>.
::: tip Compatibility Notes
In past historical versions of the API, if the constructor does not fill in any search parameters, the constructor will not be found directly.
<u>**This is a BUG and has been fixed in the latest version**</u>, please make sure you are using the latest API version.
:::
::: danger API Behavior Changes
In **1.2.0** and later versions, the behavior of **constructor()** is no longer **constructor { emptyParam() }** but **constructor {}**, please pay attention to the behavior change reasonably adjust the find parameters.
:::
#### No Find Conditions
Without setting find conditions, using `field()`, `constructor()`, `method()` will return all members under the current `Class`.
Using `get(...)` or `give()` will only get the first bit in bytecode order.
> The following example
```kotlin
TestFoo::class.java.constructor()
Test::class.java.field().get(...)
Test::class.java.method().give()
```
If you want to get all members, you can use `all(...)` or `giveAll()`
> The following example
```kotlin
Test::class.java.field().all(...)
Test::class.java.method().giveAll()
```
::: tip Compatibility Notes
In the past historical versions of the API, if the constructor does not fill in any find conditions, the constructor will not be found directly.
In past historical versions of the API, failure to set find conditions will throw an exception.
<u>**This is a bug, the latest version has been fixed**</u>, please make sure you are using the latest API version.
This feature was added in **1.2.0** and later versions.
:::
#### Bytecode Type
::: danger
In the bytecode call result, the **cast** method can only specify the type corresponding to the bytecode.
:::
In the bytecode call result, the **cast** method can <u>**only**</u> specify the type corresponding to the bytecode.
For example we want to get a field of type `Boolean` and cast it to `String`.