通过java往注册表里写入信息

客官°小女子只卖身不卖艺 2022-06-04 03:42 169阅读 0赞

通过java往注册表里写入信息

package com.ardo.api.reg;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.util.prefs.Preferences;
    
    public class Registery {
    	
    	public static void writeValid(String valid){
    		Preferences pre = Preferences.systemRoot().node("/"+doc); 
    		pre.put("valid", "["+valid+"]");
    	}
    	
    	public static void writeStime(String stime){
    		Preferences pre = Preferences.systemRoot().node("/"+doc); 
    		pre.put("stime", "("+stime+")");
    	}
    	
    	public static String readValid(){
        	String content = "";
        	String valid = "";
        	String stime = "";
            try {    
                Process ps = null;    
                ps = Runtime.getRuntime().exec("reg query " + path + doc);
                ps.getOutputStream().close();    
                InputStreamReader i = new InputStreamReader(ps.getInputStream());    
                String line;    
                BufferedReader ir = new BufferedReader(i);    
                while ((line = ir.readLine()) != null) {    
                    content += line;
                }    
                valid = content.substring(content.indexOf("[")+1, content.indexOf("]"));
                stime = content.substring(content.indexOf("(")+1, content.indexOf(")"));
            } catch (IOException e) {    
                e.printStackTrace();     
            } 
            return valid+"@"+stime;
        }
    	
    	public static void main(String[] args) {  
    		//String content = readValid();
    		//System.out.println("-------"+content);
    		
    		writeStime("20170126");
        }  
    	
    	private static String path = "HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Prefs\\";
        private static String doc = "register";
    }

package com.ardo.utils;
    
    import java.io.BufferedReader;  
    import java.io.IOException;  
    import java.io.InputStreamReader;  
    import java.util.prefs.BackingStoreException;  
    import java.util.prefs.Preferences; 
    
    public class Registery {
    	
    	String[] keys = { "version", "valid", "creator" };  
        String[] values = { "1.3", "[20170325]", "duzhiwei2011@sina.com" };  
        
        
      
        // 把相应的值储存到变量中去  
        public void writeValue() {  
            // HKEY_LOCAL_MACHINE\Software\JavaSoft\prefs下写入注册表值.  
            Preferences pre = Preferences.systemRoot().node("/register");  
            for (int i = 0; i < keys.length; i++) {  
                pre.put(keys[i], values[i]);  
            }  
        }  
      
        /*** 
         * 根据key获取value 
         *  
         */  
        public String getValue(String key) {  
            Preferences pre = Preferences.systemRoot().node("/register");  
            return pre.get(key, "time");  
        }  
      
        /*** 
         * 清除注册表 
         *  
         * @throws BackingStoreException 
         */  
        public void clearValue() throws BackingStoreException {  
            Preferences pre = Preferences.systemRoot().node("/register");  
            pre.clear();  
        }  
        
        public String readValid(){
        	String content = "";
        	String result = "";
            try {    
                Process ps = null;    
                ps = Runtime.getRuntime().exec("reg query " + path + doc);
                ps.getOutputStream().close();    
                InputStreamReader i = new InputStreamReader(ps.getInputStream());    
                String line;    
                BufferedReader ir = new BufferedReader(i);    
                while ((line = ir.readLine()) != null) {    
                    content += line;
                }    
                result = content.substring(content.indexOf("[")+1, content.indexOf("]"));
            } catch (IOException e) {    
                e.printStackTrace();     
            } 
            return result;
        }
      
        public static void main(String[] args) {  
            Registery reg = new Registery();  
            reg.writeValue();  
            System.out.println("version========="+reg.getValue("version"));  
        	
    //        try {  
    //            reg.clearValue();  
    //        } catch (BackingStoreException e) {  
    //            e.printStackTrace();  
    //        }  
              
            //可以读取任意路径下的、  
        	String content = "";
            try {    
                Process ps = null;    
                //ps = Runtime.getRuntime().exec("reg query HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Prefs\\javaplayer"); 
                ps = Runtime.getRuntime().exec("reg query HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Prefs\\register");
                ps.getOutputStream().close();    
                InputStreamReader i = new InputStreamReader(ps.getInputStream());    
                String line;    
                BufferedReader ir = new BufferedReader(i);    
                while ((line = ir.readLine()) != null) {    
                    System.out.println(line);
                    content += line;
                }    
                System.out.println("========"+content);
                Integer start = content.indexOf("[");
                Integer end = content.indexOf("]");
                System.out.println("----"+start+" "+end);
                String result = content.substring(start+1, end);
                System.out.println("-result--"+result);
            } catch (IOException e) {    
                e.printStackTrace();     
            }    
        }  
        
        
        private String path = "HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Prefs\\";
        private String doc = "register";
    }