java switchJAVA中的switch循环

JAVA中的switch循环

.test; import?java.util.Scanner; mons.lang3.StringUtils; public?class?SwitchTest?{ ????private?static?final?String?USER_NAME?=?"good"; ????private?static?final?String?PASS_WORD?=?"study"; ????private?static?Integer?i?=?0; ????// ????public?static?void?main(String[]?args)?{ ??????????titlePage(); ??????????Scanner?sc?=?new?Scanner(System.in);??? ??????????Integer?logParam?=?Integer.valueOf(sc.next()); ??????????// ??????????switch(logParam) ??????????{ ??????????case?1: ???????????login(); ??????????break; ??????????case?2: ??????????????System.out.println("推出系统成功，欢迎下次光临"); ??????????????titlePage(); ??????????break; ??????????default:?titlePage(); ??????????break; ??????????}??? ????} ???//基础页面 ????private?static?void?titlePage(){ ??????????System.out.println("//界面"); ??????????System.out.println("******************************"); ??????????System.out.println("?欢迎使用天网购物系统?"); ??????????System.out.println("?1、登陆?"); ??????????System.out.println("2、注销"); ??????????System.out.println("*********************************"); ??????????System.out.println("请选择，输入数字（1或2）"); ????} ????//登陆方法 ????private?static?void?login(){ ????System.out.println("请输入用户名,密码：(以逗号隔开)"); ????Scanner?sc?=?new?Scanner(System.in);??? ????????String?logParam?=?sc.next(); ????????// ????????if(StringUtils.isNotBlank(logParam)){ ????????boolean?flag?=?logParam.contains(","); ????????if(flag){ ????????String?param[]?=?logParam.split(","); ????????String?userName?=?param[0]; ????????String?passWord?=?param[1]; ????????Integer?isSuc?=?valLogin(userName,passWord); ????????// ??????switch(isSuc) ????????{ ?????????case?1: ?????????System.out.println("登陆成功，?这时候显示页面2，自己画"); ?????????titlePage(); ?????????break; ????????case?2: ????????System.out.println("输入用户名或密码错误，请重新输入！"); ????????login(); ????????++i; ???????if(i>2){ ???????System.out.println("输入用户名或密码错误次数过多，再见！！！"); ????????} ????????break; ????????default:?titlePage(); ?????????break; ????????}??? ????????}else{ ????????System.out.println("输入格式不正确，请重新输入；"); ?????????++i; ?????????????if(i>2){ ?????????????System.out.println("输入格式不正确次数过多，再见！！！"); ?????????????}else{ ?????????????login(); ?????????????} ????????} ????????} ????} ????//验证用户名密码 ????private?static?Integer?valLogin(String?userName,String?passWord){ ????// ????if(USER_NAME.equals(userName)&&PASS_WORD.equals(passWord)){ ????return?1; ????}else{ ????return?2; ????} ????} } 我改过了