问题描述
我必须在应用程序上工作。此应用使用regedit 来保存首选项。 此应用程序必须读取一个文件，如果它不存在，则必须将其写入 Regedit。一切都已经奏效，这是一个已经存在的项目。我刚回去工作做一些 Java 14 测试 我有这个错误：
java.lang.NoSuchMethodException: java.util.prefs.WindowsPreferences.WindowsRegOpenKey(int,[B,int)
at java.base/java.lang.class.getDeclaredMethod(Class.java:2553)
at com.myapp.application.WinRegistry.<clinit>(WinRegistry.java:62)
at com.myapp.application.XDeclicManager.plot(XDeclicManager.java:421)
at com.myapp.gui.XDeclicGUI$2.actionPerformed(XDeclicGUI.java:249)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
at java.desktop/javax.swing.DefaultButtonModel.setpressed(DefaultButtonModel.java:262)
at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:279)
这是我的 WinRegistry 文件：
public class WinRegistry {
public static final int HKEY_CURRENT_USER = 0x80000001;
public static final int HKEY_LOCAL_MACHINE = 0x80000002;
public static final int REG_SUCCESS = 0;
public static final int REG_NOTFOUND = 2;
public static final int REG_ACCESSDENIED = 5;
private static final int KEY_ALL_ACCESS = 0xf003f;
private static final int KEY_READ = 0x20019;
private static Preferences userRoot = Preferences.userRoot();
private static Preferences systemRoot = Preferences.systemRoot();
private static Class<? extends Preferences> userClass = userRoot.getClass();
private static Method regOpenKey = null;
private static Method regCloseKey = null;
private static Method regQueryValueEx = null;
private static Method regEnumValue = null;
private static Method regQueryInfoKey = null;
private static Method regEnumKeyEx = null;
private static Method regCreateKeyEx = null;
private static Method regSetValueEx = null;
private static Method regDeleteKey = null;
private static Method regDeleteValue = null;
static {
try {
regOpenKey = userClass.getDeclaredMethod( "WindowsRegOpenKey",new Class[] { int.class,byte[].class,int.class });
regOpenKey.setAccessible(true);
regCloseKey = userClass.getDeclaredMethod( "WindowsRegCloseKey",new Class[] { int.class });
regCloseKey.setAccessible(true);
regQueryValueEx = userClass.getDeclaredMethod("WindowsRegQueryValueEx",byte[].class });
regQueryValueEx.setAccessible(true);
regEnumValue = userClass.getDeclaredMethod("WindowsRegEnumValue",int.class,int.class });
regEnumValue.setAccessible(true);
regQueryInfoKey = userClass.getDeclaredMethod("WindowsRegQueryInfoKey1",new Class[] { int.class });
regQueryInfoKey.setAccessible(true);
regEnumKeyEx = userClass.getDeclaredMethod( "WindowsRegEnumKeyEx",int.class });
regEnumKeyEx.setAccessible(true);
regCreateKeyEx = userClass.getDeclaredMethod( "WindowsRegCreateKeyEx",byte[].class });
regCreateKeyEx.setAccessible(true);
regSetValueEx = userClass.getDeclaredMethod( "WindowsRegSetValueEx",byte[].class });
regSetValueEx.setAccessible(true);
regDeleteValue = userClass.getDeclaredMethod( "WindowsRegDeleteValue",byte[].class });
regDeleteValue.setAccessible(true);
regDeleteKey = userClass.getDeclaredMethod( "WindowsRegDeleteKey",byte[].class });
regDeleteKey.setAccessible(true);
}
catch (Exception e) {
e.printstacktrace();
}
}
private WinRegistry() { }
/**
* Read a value from key and value name
* @param hkey HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE
* @param key
* @param valueName
* @return the value
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static String readString(int hkey,String key,String valueName)
throws IllegalArgumentException,illegalaccessexception,InvocationTargetException
{
if (hkey == HKEY_LOCAL_MACHINE) {
return readString(systemRoot,hkey,key,valueName);
}
else if (hkey == HKEY_CURRENT_USER) {
return readString(userRoot,valueName);
}
else {
throw new IllegalArgumentException("hkey=" + hkey);
}
}
/**
* Read value(s) and value name(s) form given key
* @param hkey HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE
* @param key
* @return the value name(s) plus the value(s)
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static Map<String,String> readStringValues(int hkey,String key)
throws IllegalArgumentException,InvocationTargetException
{
if (hkey == HKEY_LOCAL_MACHINE) {
return readStringValues(systemRoot,key);
}
else if (hkey == HKEY_CURRENT_USER) {
return readStringValues(userRoot,key);
}
else {
throw new IllegalArgumentException("hkey=" + hkey);
}
}
/**
* Read the value name(s) from a given key
* @param hkey HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE
* @param key
* @return the value name(s)
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static List<String> readStringSubKeys(int hkey,InvocationTargetException
{
if (hkey == HKEY_LOCAL_MACHINE) {
return readStringSubKeys(systemRoot,key);
}
else if (hkey == HKEY_CURRENT_USER) {
return readStringSubKeys(userRoot,key);
}
else {
throw new IllegalArgumentException("hkey=" + hkey);
}
}
/**
* Create a key
* @param hkey HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE
* @param key
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static void createKey(int hkey,InvocationTargetException
{
int [] ret;
if (hkey == HKEY_LOCAL_MACHINE) {
ret = createKey(systemRoot,key);
regCloseKey.invoke(systemRoot,new Object[] { new Integer(ret[0]) });
}
else if (hkey == HKEY_CURRENT_USER) {
ret = createKey(userRoot,key);
regCloseKey.invoke(userRoot,new Object[] { new Integer(ret[0]) });
}
else {
throw new IllegalArgumentException("hkey=" + hkey);
}
if (ret[1] != REG_SUCCESS) {
throw new IllegalArgumentException("rc=" + ret[1] + " key=" + key);
}
}
/**
* Write a value in a given key/value name
* @param hkey
* @param key
* @param valueName
* @param value
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static void writeStringValue
(int hkey,String valueName,String value)
throws IllegalArgumentException,InvocationTargetException
{
if (hkey == HKEY_LOCAL_MACHINE) {
writeStringValue(systemRoot,valueName,value);
}
else if (hkey == HKEY_CURRENT_USER) {
writeStringValue(userRoot,value);
}
else {
throw new IllegalArgumentException("hkey=" + hkey);
}
}
/**
* Delete a given key
* @param hkey
* @param key
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static void deleteKey(int hkey,InvocationTargetException
{
int rc = -1;
if (hkey == HKEY_LOCAL_MACHINE) {
rc = deleteKey(systemRoot,key);
}
else if (hkey == HKEY_CURRENT_USER) {
rc = deleteKey(userRoot,key);
}
if (rc != REG_SUCCESS) {
throw new IllegalArgumentException("rc=" + rc + " key=" + key);
}
}
/**
* delete a value from a given key/value name
* @param hkey
* @param key
* @param value
* @throws IllegalArgumentException
* @throws illegalaccessexception
* @throws InvocationTargetException
*/
public static void deleteValue(int hkey,InvocationTargetException
{
int rc = -1;
if (hkey == HKEY_LOCAL_MACHINE) {
rc = deleteValue(systemRoot,value);
}
else if (hkey == HKEY_CURRENT_USER) {
rc = deleteValue(userRoot,value);
}
if (rc != REG_SUCCESS) {
throw new IllegalArgumentException("rc=" + rc + " key=" + key + " value=" + value);
}
}
// =====================
private static int deleteValue(Preferences root,int hkey,String value)
throws IllegalArgumentException,InvocationTargetException
{
int[] handles = (int[]) regOpenKey.invoke( root,new Object[] {new Integer(hkey),toCstr(key),new Integer(KEY_ALL_ACCESS) });
if (handles[1] != REG_SUCCESS) {
return handles[1]; // can be REG_NOTFOUND,REG_ACCESSDENIED
}
int rc =((Integer) regDeleteValue.invoke(root,new Object[] { new Integer(handles[0]),toCstr(value) })).intValue();
regCloseKey.invoke(root,new Object[] { new Integer(handles[0]) });
return rc;
}
private static int deleteKey(Preferences root,InvocationTargetException
{
int rc =((Integer) regDeleteKey.invoke(root,new Object[] { new Integer(hkey),toCstr(key) })).intValue();
return rc; // can REG_NOTFOUND,REG_ACCESSDENIED,REG_SUCCESS
}
private static String readString(Preferences root,new Integer(KEY_READ) });
if (handles[1] != REG_SUCCESS) {
return null;
}
byte[] valb = (byte[]) regQueryValueEx.invoke( root,new Object[] {new Integer(handles[0]),toCstr(value) });
regCloseKey.invoke(root,new Object[] { new Integer(handles[0]) });
return (valb != null ? new String(valb).trim() : null);
}
private static Map<String,String> readStringValues(Preferences root,String key)
throws IllegalArgumentException,InvocationTargetException
{
HashMap<String,String> results = new HashMap<String,String>();
int[] handles = (int[]) regOpenKey.invoke( root,new Integer(KEY_READ) });
if (handles[1] != REG_SUCCESS) {
return null;
}
int[] info = (int[]) regQueryInfoKey.invoke( root,new Object[] { new Integer(handles[0]) });
int count = info[0]; // count
int maxlen = info[3]; // value length max
for(int index = 0; index < count; ++index) {
byte[] name = (byte[]) regEnumValue.invoke( root,new Integer(index),new Integer(maxlen + 1)});
String value = readString(hkey,new String(name));
results.put(new String(name).trim(),value);
}
regCloseKey.invoke(root,new Object[] { new Integer(handles[0]) });
return results;
}
private static List<String> readStringSubKeys(Preferences root,InvocationTargetException
{
List<String> results = new ArrayList<String>();
int[] handles = (int[]) regOpenKey.invoke( root,new Integer(KEY_READ)});
if (handles[1] != REG_SUCCESS) {
return null;
}
int[] info = (int[]) regQueryInfoKey.invoke( root,new Object[] { new Integer(handles[0]) });
// Fix: info[2] was being used here with wrong results.
// Suggested by davenpcj,confirmed by Petrucio
int count = info[0];
int maxlen = info[3]; // value length max
for( int index = 0; index < count; ++index) {
byte[] name = (byte[]) regEnumKeyEx.invoke(root,new Integer(maxlen + 1)});
results.add(new String(name).trim());
}
regCloseKey.invoke(root,new Object[] { new Integer(handles[0]) });
return results;
}
private static int [] createKey(Preferences root,InvocationTargetException
{
return (int[]) regCreateKeyEx.invoke(root,toCstr(key) });
}
private static void writeStringValue(Preferences root,InvocationTargetException
{
int[] handles = (int[]) regOpenKey.invoke(root,new Integer(KEY_ALL_ACCESS) });
regSetValueEx.invoke(root,toCstr(valueName),toCstr(value)});
regCloseKey.invoke(root,new Object[] { new Integer(handles[0]) });
}
/*
* utility method
* convert String to byte array
*/
private static byte[] toCstr(String str)
{
byte[] result = new byte[str.length() + 1];
for (int i = 0; i < str.length(); i++) {
result[i] = (byte) str.charat(i);
}
result[str.length()] = 0;
return result;
}
}
我已经在 regedit 中创建了密钥： 软件/JavaSoft/Prefs
有什么想法吗？谢谢:)
解决方法
在 Java 11 中，#bloc-divi{
overflow-x: hidden !important;
overflow-y: hidden !important;
}
.container-slider {
position: absolute;
width: 100vw;
height: 100vh;
background-color: grey;
transition: 0.7s ease;
}
#photo1 {
width: 50%;
height: 50%;
margin-right: auto;
margin-left: auto;
margin-top: 10%;
background-color: blue;
}
#photo2 {
width: 50%;
height: 50%;
margin-right: auto;
margin-left: auto;
margin-top: 10%;
background-color: purple;
}
#photo3 {
width: 50%;
height: 50%;
margin-right: auto;
margin-left: auto;
margin-top: 10%;
background-color: green;
}
#photo3bis {
width: 50%;
height: 50%;
margin-right: auto;
margin-left: auto;
margin-top: 10%;
background-color: green;
}
.legende1 {
width: 50%;
height: 10%;
margin-right: auto;
margin-left: auto;
margin-top: 5%;
background-color: red;
}
.legende2 {
width: 50%;
height: 10%;
margin-right: auto;
margin-left: auto;
margin-top: 5%;
background-color: red;
}
#slider-2 {
left: 100%;
}
#slider-3 {
left: 200%;
}
#slider-3bis {
left: -100%;
}
.btn-sliderS{
height: 40px;
width: 30px;
position: absolute;
margin-top: calc((100vh - 40px)/2);
background-color: yellow;
}
.btn-sliderS:hover {
cursor: pointer;
}
#btnslider-left{
left: 0;
}
#btnslider-right{
right: 0;
} 中的句柄从 <script src="https://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
<div id="bloc-divi">
<div id="slider-1" class="container-slider">
<div id="photo1">
</div>
<div class="legende1">
</div>
<div class="legende2">
</div>
</div>
<div id="slider-2" class="container-slider">
<div id="photo2">
</div>
<div class="legende1">
</div>
<div class="legende2">
</div>
</div>
<div id="slider-3" class="container-slider">
<div id="photo3">
</div>
<div class="legende1">
</div>
<div class="legende2">
</div>
</div>
<div id="slider-3bis" class="container-slider">
<div id="photo3bis">
</div>
<div class="legende1">
</div>
<div class="legende2">
</div>
</div>
<div id="btnslider-left" class="btn-sliderS"><
</div>
<div id="btnslider-right" class="btn-sliderS">>
</div>
</div> 更改为 WindowsPreferences。此更改发生在 here in OpenJDK11。您必须更改方法签名才能使此代码在 Java 11+ 环境中运行。例如：
int必须改为：
long