一.Java代码案例 @Test public void test10(){ int planet=7; String event="a disturbance in the Force"; String result=MessageFormat.format("At {1,time} on {1,date},there was {2} on planet {0,number,integer}", pl
Java{0}占位符替换字符串 public class Test { public static void main(String[] args) { System.out.println(String.format("http://www.{0}.com", "baidu"));//错误的 System.out.println(String.format("http://www.%s.com", "baidu"));//%