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JavaWeb - Util 之 PropertiesUtil


package com.mmall.util;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;

public class PropertiesUtil {

private static Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);

private static Properties props;

static {
String fileName = "mmall.properties";
props = new Properties();
try {
props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(fileName),"UTF-8"));
} catch (IOException e) {
logger.error("配置文件读取异常",e);
}
}

public static String getProperty(String key){
String value = props.getProperty(key.trim());
if(StringUtils.isBlank(value)){
return null;
}
return value.trim();
}

public static String getProperty(String key,String defaultValue){
String value = props.getProperty(key.trim());
if(StringUtils.isBlank(value)){
value = defaultValue;
}
return value.trim();
}
}



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