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){