代碼沒錯誤 顯示不出內容
<%@ page language="java" import="java.util.*"
?? ?contentType="text/html; charset=utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
?? ?<%!
?? ???? String print1()
?? ???? {
?? ??? ?String s = "";
?? ??? ?for (int i = 1; i <= 9; i++) {
?? ??? ??? ?for (int j = 1; j <= i; i++) {
?? ??? ??? ??? ?s += i + "*" + j + "=" + (i * j);
?? ??? ??? ?}
?? ??? ??? ?s += "<br/>";
?? ??? ?}
?? ??? ?return s;
?? ??? ?}
?? ?%>
?? ?<%=print1() %>
</body>
</html>
2017-09-08
你寫成I++ 改為j++
2017-09-08
找出原因了，第二個循環里變量出錯了