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【转】最简单的java模板引擎——JTPL

阅读更多

 

 

sample1.jtpl

 

<!-- BEGIN: main -->
<html>
<head>
<title>{TITLE}</title>
</head>
<body>
{MESSAGE}
</body>
</html>
<!-- END: main -->
 

 

sample1.java

 

import net.sf.jtpl.Template;

import java.io.File;
import javax.servlet.http.*;
import javax.servlet.*;

public class sample1 extends HttpServlet implements SingleThreadModel {
        Template tpl;

        protected void doGet(HttpServletRequest request,
                        HttpServletResponse response) throws ServletException, IOException {
                PrintWriter out = response.getWriter();
                try {
                        out.print(this.generatePage());
                } catch (Exception e) {
                        e.printStackTrace(out);
                }
        }

        private String generatePage() throws Exception {
                tpl = new Template(new File("C:\\java\\eclipse\\workspace\\jtpl\\sample1.jtpl"));
                tpl.assign("TITLE", "Sample 1");
                tpl.assign("MESSAGE", "Hello World");
                tpl.parse("main");
                return (tpl.out());
        }
}
 

 

Sample servlet #2

This exemple will print this output

sample2

sample2.jtpl

 

<!-- BEGIN: main -->
<html>
<head>
<title>{TITLE}</title>
</head>
<body> 
<table> 
  <!-- BEGIN: line --> 
  <tr> 
    <!-- BEGIN: row --> 
    <td bgcolor="{BGCOLOR}">{VARIABLE}</td> 
    <!-- END: row --> 
  </tr> 
  <!-- END: line --> 
</table> 
</body>
</html>
<!-- END: main -->
 

 

sample2.java

 

import net.sf.jtpl.Template;

import java.io.File;
import javax.servlet.http.*;
import javax.servlet.*;

public class sample2 extends HttpServlet implements SingleThreadModel {
        Template tpl;

        protected void doGet(HttpServletRequest request,
                        HttpServletResponse response) throws ServletException, IOException {
                PrintWriter out = response.getWriter();
                try {
                        out.print(this.generatePage());
                } catch (Exception e) {
                        e.printStackTrace(out);
                }
        }

        private String generatePage() throws Exception {
                tpl = new Template(new File("C:\\java\\eclipse\\workspace\\jtpl\\sample2.jtpl"));
                tpl.assign("TITLE", "Sample 2");
                int line = 10, col = 5, altern = 2, count = 0;
                for (int i = 1; i <= line; i++) {
                        for (int j = 1; j <= col; j++) {
                                if (count % altern == 0) {
                                        tpl.assign("BGCOLOR", "#75D2FF");
                                } else {
                                        tpl.assign("BGCOLOR", "#CCEEFF");
                                }
                                tpl.assign("VARIABLE", "line:" + i + " row:" + j);
                                tpl.parse("main.line.row");
                                count++;
                        }
                        tpl.parse("main.line");
                }
                tpl.parse("main");
                return (tpl.out());
        }
}
 

 

来自:http://jtpl.sourceforge.net  PS:就要这么简单,前台人员可以不用学就会用!

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