berry sky

java 则表达式校验用户名import java.util.regex.*;public class Test { public static void main(String[] args) { System.out.println(checkUserName("aabb")); System.out.println(checkUserName("aa_bb"));

.top_arrow { border: 0 none; bottom: 115px; cursor: pointer; display: block; position: fixed; right: 0px; width: 175px; z-index: 2147483647;}.top_arrow img.banner{ width:145px; height: 185px;}.top

async默认的设置值为true，true:异步方式false:同步方式$.ajax({               type:"POST",             url:"test?action=list",             dataType:"html",             success:function(result){