jsp实现剪子石头布小游戏（java剪刀石头布编程）满满干货

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<title>My JSP ‘result.jsp’ starting page</title>

</head>

<body>
<%
String pathnew=request.getContextPath();
//获取游戏参与者的选项值
String res=request.getParameter(“option”);
String reslong=res+”.jpg”;
//产生随机数进行匹配图片
int com=(int)Math.random()*3;
String computer=String.valueOf(com);
//computer=0 jiandao
//computer=1 shiyou
//computer=2 bu
if(computer.equals(“0″)){
computer=”jiandao”;
}
else if(computer.equals(“1″)){
computer=”shitou”;
}
else{
computer=”bu”;
}
String computerlong=computer+”.jpg”;
int win=0;
int lost=0;
int ping=0;
Object objwin=session.getAttribute(“win”);
Object objlost=session.getAttribute(“lost”);
Object objping=session.getAttribute(“ping”);
if(objwin==null){
session.setAttribute(“win”,String.valueOf(win));
}
if(objlost==null){
session.setAttribute(“lost”,String.valueOf(lost));
}
if(objping==null){
session.setAttribute(“ping”,String.valueOf(ping));
}
%>
<h3>结果是</h3>
<!– 图片传值 –>
您出的是：<img alt=”” src=”https://www.jb51.net/article/<%=pathnew %>/images/<%=reslong %>”>
<span style=”bold” color=”red”>vs</span>
电脑出的是：<img alt=”” src=”https://www.jb51.net/article/<%=pathnew %>/images/<%=computerlong %>”>
<%
//逻辑判断，session更新统计值，
if(res.equals(computer)){
out.println(“平局!”);
//session.setAttribute(“ping”,String.valueOf(Integer.valueOf((String)session.getAttribute(“ping”))+1));
session.setAttribute(“ping”,String.valueOf(Integer.valueOf((String)session.getAttribute(“ping”))+1));
}

else if((res.equals(“jiandao”)&&computer.equals(“bu”))||(res.equals(“shitou”)&&computer.equals(“jiandao”))||(res.equals(“bu”)&&computer.equals(“shiyou”))){
out.println(“您赢了!”);
//session.setAttribute(“win”,String.valueOf(Integer.valueOf((String)session.getAttribute(“win”))+1));
session.setAttribute(“win”,String.valueOf(Integer.valueOf((String)session.getAttribute(“win”))+1));
}
else{
out.println(“您输了!”);
session.setAttribute(“lost”,String.valueOf(Integer.valueOf((String)session.getAttribute(“lost”))+1));
//session.setAttribute(“lost”,String.valueOf(Integer.valueOf((String)session.getAttribute(“lost”))+1));
}

%>
<h3>统计结果，待写入数据库</h3>
您一共玩了<%=String.valueOf(
Integer.valueOf((String)session.getAttribute(“win”))+Integer.valueOf((String)session.getAttribute(“lost”))+Integer.valueOf((String)session.getAttribute(“ping”)) )%>局<br/>
您赢了<%=String.valueOf(
Integer.valueOf((String)session.getAttribute(“win”))) %>局<br/>
您输了<%=String.valueOf(
Integer.valueOf((String)session.getAttribute(“lost”))) %>局<br/>
打平了<%=String.valueOf(
Integer.valueOf((String)session.getAttribute(“ping”))) %>局<br/>
</body>
</html>