Java 之注册表操作

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Windows Registry API Native Interface下载地址 http://www.trustice.com/java/jnireg/index.shtml 下 registry-3.1.3.zip(包含源代码)。解开 registry-3.1.3.zip，在 bin 目录中可以看到两个文件 ICE_JNIRegistry.dll 和registry.jar，动态库就是本地代码实现。

import com.ice.jni.registry.*;
import java.text.SimpleDateFormat;
/**
* java 操作注册表
* @author 李志远
*/
public class RegeditTool {
    static SimpleDateFormat shortDateFormat = new SimpleDateFormat

("yyyy-MM-dd");
/** Creates a new instance of test */

    // 把信息存储到注册表HKEY_LOCAL_MACHINE下的某个节点的某一变量中，有则

修改，无则创建
    public static boolean setValue(String folder, String subKeyNode,
            String subKeyName, String subKeyValue) {
        try {
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE
                    .openSubKey(folder);
            RegistryKey subKey = software.createSubKey(subKeyNode, "");
            subKey
                    .setValue(new RegStringValue(subKey, subKeyName,
                            subKeyValue));
            subKey.closeKey();
            return true;
        } catch (NoSuchKeyException e) {
            e.printStackTrace();
        } catch (NoSuchValueException e) {
            e.printStackTrace();
        } catch (RegistryException e) {
            e.printStackTrace();
        }
        return false;
    }

    // 删除注册表中某节点下的某个变量
    public static boolean deleteValue(String folder, String subKeyNode,
            String subKeyName) {

        try {
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE
                    .openSubKey(folder);
            RegistryKey subKey = software.createSubKey(subKeyNode, "");
            subKey.deleteValue(subKeyName);
            subKey.closeKey();
            return true;
        } catch (NoSuchKeyException e) {
            System.out.println("NOsuchKey_delete");
        } catch (NoSuchValueException e) {
            System.out.println("NOsuchValue_delete");
        } catch (RegistryException e) {
            e.printStackTrace();
        }
        return false;
    }

    // 删除注册表中某节点下的某节点
    public static boolean deleteSubKey(String folder, String

subKeyNode) {
        try {
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE
                    .openSubKey(folder);
            software.deleteSubKey(subKeyNode);
            software.closeKey();
            return true;
        } catch (NoSuchKeyException e) {
            e.printStackTrace();
        } catch (RegistryException e) {
            e.printStackTrace();
        }
        return false;
    }
    // 打开注册表项并读出相应的变量名的值
    public static String getValue(String folder, String subKeyNode,
            String subKeyName) {
        String value = "";
        try {
            RegistryKey software = Registry.HKEY_LOCAL_MACHINE
                    .openSubKey(folder);
            RegistryKey subKey = software.openSubKey(subKeyNode);
            value = subKey.getStringValue(subKeyName);
            subKey.closeKey();
        } catch (NoSuchKeyException e) {
            value = "NoSuchKey";
            // e.printStackTrace();
        } catch (NoSuchValueException e) {
            value = "NoSuchValue";
            // e.printStackTrace();
        } catch (RegistryException e) {
            e.printStackTrace();
        }
        return value;
    }
    // 测试
    public static void main(String[] args) {
        setValue("SOFTWARE", "Microsoft\\Windows\\CurrentVersion\\Run",

"test",
                "C:\\1.exe");
    }
}

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