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public static void main(String[] args) {
String a= "123";
String b= "321";
String c= "c";
System.out.println(MessageFormat.format(" {0} {1} {2} {3}", a, b,"",c));
System.out.println(MessageFormat.format(" ''{0}'' '{1}' {2} {3}", a, b,"",c));
}
123 321 c
# '{1}'不转换
'aaa' '{1}' 321 c
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.7</version>
</dependency>
public static void main(String[] args) {
Map map = new HashMap();
map.put("code","123321");
map.put("product","xxxaaa系统");
String str1 = "您正在登录${product},验证码为:${code},五分钟内有效,如非本人操作请忽略。";
StrSubstitutor sb = new StrSubstitutor(map);
String content = sb.replace(str1);
System.out.println(content);
}
您正在登录xxxaaa系统,验证码为:123321,五分钟内有效,如非本人操作请忽略。
public static void testReplace(String args[]) {
String text = "hello {user}, welcome to {place}!";
String user = "Lucy";
String place = "China";
String res = text.replace("{user}", user).replace("{place}", place);
System.out.println(res); // 输出 hello Lucy, welcome to China!
}
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