\u6839\u636e\u4ece\u7f51\u4e0a\u627e\u7684\u8d44\u6599\uff0c\u4f7f\u7528properties\u7c7b\u5b9e\u73b0\u4e86\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n
import java.io.File;<\/p>\n
import java.io.IOException;
\nimport java.io.InputStream;
\nimport java.util.Properties;<\/p>\n
\/**
\n*\/
\npublic class SystemConfig {<\/p>\n
private SystemConfig(){<\/p>\n
}<\/p>\n
\/\/\u83b7\u53d6\u73af\u5883\u53d8\u91cfinit.conf.env
\nprivate static final String ENV=System.getProperty(“init.conf.env”);
\n\/\/\u6784\u5efa\u914d\u7f6e\u6587\u4ef6\u540d
\nprivate static final String MQ_ARTICLE_PROPERTY_FILE = “mq-article-“+ENV+”.properties”;<\/p>\n
private static Properties props = null;<\/p>\n
\/**
\n* \u521d\u59cb\u5316ResourceBundle\u5bf9\u8c61
\n* @throws IOException
\n*\/
\nprivate static void init() throws IOException{
\nif( null == props){
\nprops = new Properties();
\nloadFile();
\n}
\n}<\/p>\n
\/**
\n* \u52a0\u8f7d\u6307\u5b9a\u540d\u79f0\u7684properties\u6587\u4ef6\uff0c\u7ea6\u5b9a\u8def\u5f84\u4e3a\/conf\/
\n* @param propName
\n* @throws IOException
\n*\/
\nprivate static void loadFile() throws IOException{
\n\/\/\u83b7\u53d6\u914d\u7f6e\u6587\u4ef6\u5217\u8868\/conf\/*.properties
\nFile dir = new File(SystemConfig.class.getResource(“\/”).getPath()+”conf\/”);
\nString[] fileNames = dir.list();<\/p>\n
\/\/\u8fc7\u6ee4\u51fa\u7b26\u5408\u5f53\u524d\u73af\u5883\u7684\u6587\u4ef6
\n\/\/List<String> fileList = null;
\nif (fileNames != null && fileNames.length > 0) {
\n\/\/fileList = Lists.newArrayList();
\n\/\/ \u5305\u62ec\u6587\u4ef6\uff0c\u6587\u4ef6\u5939\u7684\u5224\u65ad
\nfor (String fName : fileNames) {
\nif (fName.indexOf(ENV) != -1) {
\n\/\/fileList.add(fName);
\n\/\/load\u8fdbprops
\nInputStream in = SystemConfig.class.getResourceAsStream(“\/conf\/” + fName);
\nprops.load(in);
\n}
\n}
\n}
\n}<\/p>\n
\/**
\n* \u83b7\u53d6\u7cfb\u7edf\u914d\u7f6e
\n* @param key
\n* @param defaultValue
\n* @return
\n*\/
\npublic static String getProperties(String key,String defaultValue){
\ntry {
\ninit();
\n} catch (IOException e) {
\nprops = null;
\n}
\nif(null == props)
\nreturn defaultValue;
\nreturn props.getProperty(key) == null ? defaultValue : props.getProperty(key);
\n}<\/p>\n
}<\/p>\n
\u9664\u4e86\u4f7f\u7528properties\u7c7b\u7684\u65b9\u6cd5\u5916\uff0cJava\u8fd8\u63d0\u4f9b\u4e86resourcebundle\u7684\u65b9\u5f0f\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n
\u4f46\u662fresourcebundle\u7684\u547d\u540d\u89c4\u5219\u6709\u7ea6\u675f\uff0c\u4e3b\u8981\u4e3a\u4e86\u5b9e\u73b0\u56fd\u9645\u5316\u3002\u8fd9\u91cc\u8fd8\u662f\u5148\u4e0d\u7528\u8fd9\u4e2a\u4e86\u3002\u77e5\u9053\u80fd\u5b9e\u73b0\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6839\u636e\u4ece\u7f51\u4e0a\u627e\u7684\u8d44\u6599\uff0c\u4f7f\u7528properties\u7c7b\u5b9e\u73b0\u4e86\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u3002 import java.io.File […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[89],"tags":[],"class_list":["post-569","post","type-post","status-publish","format-aside","hentry","category-89","post_format-post-format-aside"],"yoast_head":"\n