配置文件工具类

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package com.caiex.global;import java.io.IOException;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.Map.Entry;import java.util.Properties;import org.apache.log4j.Logger;import org.springframework.core.io.DefaultResourceLoader;/** * 加载配置文件中的所有配置，统一管理应用的属性，获取配置时调用静态的$方法获取属性值 *  * @author wsy * */public class ConfigProperties {    private static Logger logger = Logger.getLogger(ConfigProperties.class);    private static Map<String, String> propertiesMap = new HashMap<String, String>();    static {        Properties properties = new Properties();        try {            properties.load(new DefaultResourceLoader().getResource("classpath:config.properties").getInputStream());        } catch (IOException e) {            logger.fatal("配置文件读取异常");            throw new RuntimeException("配置文件读取异常");        }        Iterator<Entry<Object, Object>> it = properties.entrySet().iterator();        while (it.hasNext()) {            Entry<Object, Object> entry = it.next();            propertiesMap.put((String) entry.getKey(), (String) entry.getValue());        }    }    /**     * 获取相应key值对应的属性值     *      * @param key     * @return     */    public static String $(String key) {        return propertiesMap.get(key);    }}
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