使用ASM获取IntInsnNode的值

import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.InsnList;
import org.objectweb.asm.tree.IntInsnNode;
import org.objectweb.asm.tree.MethodNode;

public class IntInsnNodeExample {
    public static void main(String[] args) {
        // 通过ASM库解析字节码
        ClassVisitor classVisitor = new ClassVisitor(Opcodes.ASM9) {
            @Override
            public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
                MethodVisitor methodVisitor = super.visitMethod(access, name, descriptor, signature, exceptions);
                return new MethodVisitor(Opcodes.ASM9, methodVisitor) {
                    @Override
                    public void visitInsn(int opcode) {
                        if (opcode >= Opcodes.BIPUSH && opcode <= Opcodes.SIPUSH) {
                            // 获取IntInsnNode指令
                            AbstractInsnNode insnNode = mv.instructions.getLast();
                            if (insnNode instanceof IntInsnNode) {
                                IntInsnNode intInsnNode = (IntInsnNode) insnNode;
                                int value = intInsnNode.operand;
                                System.out.println("IntInsnNode value: " + value);
                            }
                        }
                        super.visitInsn(opcode);
                    }
                };
            }
        };

        // 解析字节码
        // ...

        // 遍历字节码指令
        // ...
    }
}