- package configuration;
- import Java.io.FileInputStream;
- import Java.io.FileNotFoundException;
- import Java.io.FileOutputStream;
- import Java.io.IOException;
- import Java.util.Properties;
- /** *//**
- * 讀取properties文件
- * @author Qutr
- *
- */
- public class Configuration
- ...{
- private Properties propertie;
- private FileInputStream inputFile;
- private FileOutputStream outputFile;
- /** *//**
- * 初始化Configuration類
- */
- public Configuration()
- ...{
- propertie = new Properties();
- }
- /** *//**
- * 初始化Configuration類
- * @param filePath 要讀取的配置文件的路徑+名稱
- */
- public Configuration(String filePath)
- ...{
- propertie = new Properties();
- try ...{
- inputFile = new FileInputStream(filePath);
- propertie.load(inputFile);
- inputFile.close();
- } catch (FileNotFoundException ex) ...{
- System.out.println("讀取屬性文件--->失敗!- 原因:文件路徑錯誤或者文件不存在");
- ex.printStackTrace();
- } catch (IOException ex) ...{
- System.out.println("裝載文件--->失敗!");
- ex.printStackTrace();
- }
- }//end ReadConfigInfo(...)
- /** *//**
- * 重載函數,得到key的值
- * @param key 取得其值的鍵
- * @return key的值
- */
- public String getValue(String key)
- ...{
- if(propertie.containsKey(key))...{
- String value = propertie.getProperty(key);//得到某一屬性的值
- return value;
- }
- else
- return "";
- }//end getValue(...)
- /** *//**
- * 重載函數,得到key的值
- * @param fileName properties文件的路徑+文件名
- * @param key 取得其值的鍵
- * @return key的值
- */
- public String getValue(String fileName, String key)
- ...{
- try ...{
- String value = "";
- inputFile = new FileInputStream(fileName);
- propertie.load(inputFile);
- inputFile.close();
- if(propertie.containsKey(key))...{
- value = propertie.getProperty(key);
- return value;
- }else
- return value;
- } catch (FileNotFoundException e) ...{
- e.printStackTrace();
- return "";
- } catch (IOException e) ...{
- e.printStackTrace();
- return "";
- } catch (Exception ex) ...{
- ex.printStackTrace();
- return "";
- }
- }//end getValue(...)
- /** *//**
- * 清除properties文件中所有的key和其值
- */
- public void clear()
- ...{
- propertie.clear();
- }//end clear();
- /** *//**
- * 改變或添加一個key的值,當key存在於properties文件中時該key的值被value所代替,
- * 當key不存在時,該key的值是value
- * @param key 要存入的鍵
- * @param value 要存入的值
- */
- public void setValue(String key, String value)
- ...{
- propertie.setProperty(key, value);
- }//end setValue(...)
- /** *//**
- * 將更改後的文件數據存入指定的文件中,該文件可以事先不存在。
- * @param fileName 文件路徑+文件名稱
- * @param description 對該文件的描述
- */
- public void saveFile(String fileName, String description)
- ...{
- try ...{
- outputFile = new FileOutputStream(fileName);
- propertie.store(outputFile, description);
- outputFile.close();
- } catch (FileNotFoundException e) ...{
- e.printStackTrace();
- } catch (IOException ioe)...{
- ioe.printStackTrace();
- }
- }//end saveFile(...)
- public static void main(String[] args)
- ...{
- Configuration rc = new Configuration("./config/test.properties");//相對路徑
- String ip = rc.getValue("ipp");//以下讀取properties文件的值
- String host = rc.getValue("host");
- String tab = rc.getValue("tab");
- System.out.println("ip = " + ip + "ip-test leng = " + "ip-test".length());//以下輸出properties讀出的值
- System.out.println("ip's length = " + ip.length());
- System.out.println("host = " + host);
- System.out.println("tab = " + tab);
- Configuration cf = new Configuration();
- String ipp = cf.getValue("./config/test.properties", "ip");
- System.out.println("ipp = " + ipp);
- // cf.clear();
- cf.setValue("min", "999");
- cf.setValue("max", "1000");
- cf.saveFile("./config/save.perperties", "test");
- // Configuration saveCf = new Configuration();
- // saveCf.setValue("min", "10");
- // saveCf.setValue("max", "1000");
- // saveCf.saveFile("./config/save.perperties");
- }//end main()
- }package configuration;
- import Java.io.FileInputStream;
- import Java.io.FileNotFoundException;
- import Java.io.FileOutputStream;
- import Java.io.IOException;
- import Java.util.Properties;
- /** *//**
- * 讀取properties文件
- * @author Qutr
- *
- */
- public class Configuration
- ...{
- private Properties propertie;
- private FileInputStream inputFile;
- private FileOutputStream outputFile;
- /** *//**
- * 初始化Configuration類
- */
- public Configuration()
- ...{
- propertie = new Properties();
- }
- /** *//**
- * 初始化Configuration類
- * @param filePath 要讀取的配置文件的路徑+名稱
- */
- public Configuration(String filePath)
- ...{
- propertie = new Properties();
- try ...{
- inputFile = new FileInputStream(filePath);
- propertie.load(inputFile);
- inputFile.close();
- } catch (FileNotFoundException ex) ...{
- System.out.println("讀取屬性文件--->失敗!- 原因:文件路徑錯誤或者文件不存在");
- ex.printStackTrace();
- } catch (IOException ex) ...{
- System.out.println("裝載文件--->失敗!");
- ex.printStackTrace();
- }
- }//end ReadConfigInfo(...)
- /** *//**
- * 重載函數,得到key的值
- * @param key 取得其值的鍵
- * @return key的值
- */
- public String getValue(String key)
- ...{
- if(propertie.containsKey(key))...{
- String value = propertie.getProperty(key);//得到某一屬性的值
- return value;
- }
- else
- return "";
- }//end getValue(...)
- /** *//**
- * 重載函數,得到key的值
- * @param fileName properties文件的路徑+文件名
- * @param key 取得其值的鍵
- * @return key的值
- */
- public String getValue(String fileName, String key)
- ...{
- try ...{
- String value = "";
- inputFile = new FileInputStream(fileName);
- propertie.load(inputFile);
- inputFile.close();
- if(propertie.containsKey(key))...{
- value = propertie.getProperty(key);
- return value;
- }else
- return value;
- } catch (FileNotFoundException e) ...{
- e.printStackTrace();
- return "";
- } catch (IOException e) ...{
- e.printStackTrace();
- return "";
- } catch (Exception ex) ...{
- ex.printStackTrace();
- return "";
- }
- }//end getValue(...)
- /** *//**
- * 清除properties文件中所有的key和其值
- */
- public void clear()
- ...{
- propertie.clear();
- }//end clear();
- /** *//**
- * 改變或添加一個key的值,當key存在於properties文件中時該key的值被value所代替,
- * 當key不存在時,該key的值是value
- * @param key 要存入的鍵
- * @param value 要存入的值
- */
- public void setValue(String key, String value)
- ...{
- propertie.setProperty(key, value);
- }//end setValue(...)
- /** *//**
- * 將更改後的文件數據存入指定的文件中,該文件可以事先不存在。
- * @param fileName 文件路徑+文件名稱
- * @param description 對該文件的描述
- */
- public void saveFile(String fileName, String description)
- ...{
- try ...{
- outputFile = new FileOutputStream(fileName);
- propertie.store(outputFile, description);
- outputFile.close();
- } catch (FileNotFoundException e) ...{
- e.printStackTrace();
- } catch (IOException ioe)...{
- ioe.printStackTrace();
- }
- }//end saveFile(...)
- public static void main(String[] args)
- ...{
- Configuration rc = new Configuration("./config/test.properties");//相對路徑
- String ip = rc.getValue("ipp");//以下讀取properties文件的值
- String host = rc.getValue("host");
- String tab = rc.getValue("tab");
- System.out.println("ip = " + ip + "ip-test leng = " + "ip-test".length());//以下輸出properties讀出的值
- System.out.println("ip's length = " + ip.length());
- System.out.println("host = " + host);
- System.out.println("tab = " + tab);
- Configuration cf = new Configuration();
- String ipp = cf.getValue("./config/test.properties", "ip");
- System.out.println("ipp = " + ipp);
- // cf.clear();
- cf.setValue("min", "999");
- cf.setValue("max", "1000");
- cf.saveFile("./config/save.perperties", "test");
- // Configuration saveCf = new Configuration();
- // saveCf.setValue("min", "10");
- // saveCf.setValue("max", "1000");
- // saveCf.saveFile("./config/save.perperties");
- }//end main()
- }
java的property配置文件的用法
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