Properties props2 = new Properties();// 属性集合对象 fis = new FileInputStream(path + "/jeesite.properties"); //必须要先获取properties,否则之前的properties内容将丢失 props2.load(fis); if (fis != null) { fis.close(); } //fos 输出流必须要在 fis输入流关闭之后才能获取,否则将会把properties文件清空 fos = new FileOutputStream(path + "/jeesite.properties"); Map<String ,String[]> map2 = request.getParameterMap(); for (Map.Entry<String, String[]> entry : map2.entrySet()) { //保存,并加入注释 String key=entry.getKey(); if(key.equals("update")) continue; props2.setProperty(key, entry.getValue()[0]); props2.store(fos, "Update '" + key + "' value"); }
java 动态修改propertis文件
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转载自sanniangmiao.iteye.com/blog/2263067
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