学习 Jsp 的一点记录

JSP 转化为 Servlet

out.write()

<p>The square root of 5 is <%= Math.sqrt(5) %></p>
<h5><%= item[10] %></h5>
<p>Current time is: <%=  new java.util.Date() %></p>

out.write("<p>The square root of 5 is ");
out.print( Math.sqrt(5) );
out.write("</p>");
out.write("<h5>");
out.print( item[10] );
out.write("</h5>");
out.write("<p>Current  time is: ");
out.print( new java.util.Date()  );
out.write("</p>");

<%
String author = request.getParameter("author");
if (author != null && !author.equals(""))) {
%>
<p>You have choose author <%= author %></p>
<%
}
%>

String author = request.getParameter("author");
if (author != null && !author.equals(""))) {
out.write("<p>You have choose author ");
out.print( author );
out.write("</p>");
}

参考文章