TypePHP 编译器
https://swoole.com/aot/
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76 lines
2.6 KiB
76 lines
2.6 KiB
<?php
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function main()
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{
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// 1. 初始化 JVM
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echo "=== Step 1: Initialize JVM ===\n";
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jni_init(".");
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echo "JVM initialized.\n\n";
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// ---------------------------------------------------------------
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// 2. 动态创建自定义 Hello 对象、调用方法、读写属性
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// ---------------------------------------------------------------
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echo "=== Step 2: Dynamic Java Object (Hello) ===\n";
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// 查找类
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$helloClass = jni_find_class("Hello");
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echo "Found class: Hello\n";
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// 获取方法、属性（反射 + 缓存为 Box 类型）
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$greet = jni_find_method($helloClass, "greet");
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$nameField = jni_find_field($helloClass, "name");
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$ageField = jni_find_field($helloClass, "age");
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// 创建对象: Hello(String name, int age)
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$hello = jni_new_object($helloClass, ["Swoole", 8]);
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echo "Created Hello object.\n";
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// 调用方法: String greet(String greeting)
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$msg = jni_call($hello, $greet, ["你好"]);
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echo "greet() → " . $msg . "\n";
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// 读取属性
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$name = jni_get($hello, $nameField);
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$age = jni_get($hello, $ageField);
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echo "name = " . $name . ", age = " . $age . "\n";
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// 修改属性
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jni_set($hello, $nameField, "PHP");
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jni_set($hello, $ageField, 10);
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$name2 = jni_get($hello, $nameField);
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$age2 = jni_get($hello, $ageField);
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echo "After set: name = " . $name2 . ", age = " . $age2 . "\n";
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echo "greet() → " . jni_call($hello, $greet, ["Hi"]) . "\n\n";
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// ---------------------------------------------------------------
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// 3. 使用标准 Java 类 (StringBuilder)
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// ---------------------------------------------------------------
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echo "=== Step 3: Standard Java Class (StringBuilder) ===\n";
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$sbClass = jni_find_class("java.lang.StringBuilder");
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echo "Found class: java.lang.StringBuilder\n";
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// 获取方法
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$append = jni_find_method($sbClass, "append");
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$toString = jni_find_method($sbClass, "toString");
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// StringBuilder sb = new StringBuilder("Hello");
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$sb = jni_new_object($sbClass, ["Hello"]);
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echo "Created StringBuilder.\n";
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// sb.append(" Java")
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$sb2 = jni_call($sb, $append, [" Java"]);
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// sb.append(" JNI")
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jni_call($sb, $append, [" JNI"]);
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// sb.toString()
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$str = jni_call($sb, $toString, []);
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echo "toString() → " . $str . "\n\n";
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// ---------------------------------------------------------------
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// 4. 销毁 JVM
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// ---------------------------------------------------------------
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echo "=== Step 4: Destroy JVM ===\n";
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jni_destroy();
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echo "JVM destroyed.\n";
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}
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