01-属性文件的操作.rar_配置文件的修改

package com.gec; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; import java.util.Properties; import java.util.Set; import org.junit.Test; public class ProTest { /* serverIp=undefined [ 出厂设置 ] serverPort=undefined attUpload=undefined regStatus=undefined workMode=undefined termStart=undefined */ public void readParas( String path ) throws IOException { InputStream fin = new FileInputStream( path ); Properties pros = new Properties(); pros.load( fin ); String serverIP = pros.getProperty("serverIp"); String serverPort = pros.getProperty( "serverPort" ); String attUpload = pros.getProperty( "attUpload" ); System.out.println("serverIP="+ serverIP); System.out.println("serverPort="+ serverPort); System.out.println("attUpload="+ attUpload); fin.close(); } public void writeParas( String path, Map<String,String> map) throws IOException { OutputStream fout = new FileOutputStream( path ); Properties pros = new Properties(); Set<Entry<String, String>> set = map.entrySet(); for( Entry<String, String> entry : set ){ String key = entry.getKey(); String value = entry.getValue(); pros.setProperty( key, value ); } pros.store( fout, "2017-12-05" ); //保存数据到文件 fout.close(); //关闭输出流 } @Test public void test(){ String path = "E:\\Share3\\12-05日任务\\config.properties"; Map<String,String> paras = new HashMap<String,String>(); paras.put("serverIp", "192.168.1.100"); paras.put("serverPort", "9090"); paras.put("attUpload", "undefined"); paras.put("regStatus", "ok"); paras.put("workMode", "local"); paras.put("termStart", "0"); try { writeParas( path, paras ); } catch (IOException e) { e.printStackTrace(); } } // public void test(){ // String path = "E:\\Share3\\12-05日任务\\config.properties"; // try { // readParas( path ); // } catch (IOException e) { // e.printStackTrace(); // } // } }