- JavaScriptCore Widget.
- JavaScriptCore小工具.
dependencies: [
.package(url: "https://github.com/William-Weng/WWJavaScriptContext.git", .upToNextMajor(from: "1.0.3"))
]| 函式 | 功能 |
|---|---|
| build(script:) | 建立執行完成的環境 |
| callFunctionName(_:arguments:) | 執行javaScript程式 |
| evaluateScript(_:) | 執行Script |
| insertNativeFunctionName(_:handler:) | 建立Swift-function給js用 |
| removeNativeFunctionName(_:) | 移除Swift-function |
| createdNativeFuntions() | 取得已建立的Swift-Functions |
| exceptionHandler(_:) | 回應js控制台錯誤 |
import UIKit
import WWJavaScriptContext
import WWPrint
final class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
simpleDemo()
addNumbers(num1: 5, num2: 6)
removeFunction()
}
}
// MARK: - private function
private extension ViewController {
/// 基本使用
func simpleDemo() {
let script = "var jsFunc = function(message) { return '測試用訊息：' + message; }"
let context = WWJavaScriptContext.build(script: script)
context.exceptionHandler { context, exception in
if let exception = exception { wwPrint(exception) }
}
wwPrint(context.callFunctionName("jsFunc", arguments: ["William"]))
}
/// 兩數相加 (使用Swift自訂Function)
/// - Parameters:
/// - num1: Int
/// - num2: Int
func addNumbers(num1: Int, num2: Int) {
let context = WWJavaScriptContext.build(script: "")
let addNumbersHandler: @convention(block) (Int, Int) -> Int = { num1, num2 in return num1 + num2 }
_ = context.insertNativeFunctionName("add", handler: addNumbersHandler)
wwPrint("自訂function：\(context.createdNativeFuntions())")
wwPrint(context.callFunctionName("add", arguments: [num1, num2]))
}
/// 移除自訂function
func removeFunction() {
let context = WWJavaScriptContext.build(script: "")
context.exceptionHandler { context, exception in
if let exception = exception { wwPrint(exception) }
}
_ = context.removeNativeFunctionName("add")
wwPrint(context.callFunctionName("add", arguments: [1, 2]))
}
}