Java占位符替换

Java 替换源码：package personal .caojx .placeholder ;import org .apache mons .text .StringSubstitutor ;import java .text .MessageFormat ;import java .util .HashMap ;import java .util .Map ;/** * 占位符替换，⼯具类 * * @author caojx * @version $Id: PlaceholderUtil.java,v 1.0 2019-05-09 20:32 caojx * @date 2019-05-09 20:32 */public class PlaceholderUtil { public static void main (String [] args ) { //⽅式1 按位替换 String templateResult1 = String .format ("%s is at the age of %s", "john", "26"); System .out .println (templateResult1); //⽅式2 数组索引位替换 Object [] object = new Object []{"john", "24"}; MessageFormat messageFormat = new MessageFormat ("{0} is at the age of {1}"); String templateResult2 = messageFormat .format (object ); System .out .println (templateResult2); //⽅式3 ${} 替换 /* * 引⼊commons-text * <dependency> * <groupId>s</groupId> * <artifactId>commons-text</artifactId> * <version>1.6</version> * </dependency> * */ Map <String , String > paramMap = new HashMap <>(); paramMap .put ("name", "john"); paramMap .put ("age", "27"); //s.text.StringSubstitutor StringSubstitutor stringSubstitutor = new StringSubstitutor (paramMap ); String template3 = "${name} is at the age of ${age}"; String templateResult3 = stringSubstitutor .replace (template3); System .out .println (templateResult3); }}1

调浆桶