📄 requestparamexample.java

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💻 JAVA
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//RequestParamExample.java
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

import util.HTMLFilter;


public class RequestParamExample extends HttpServlet {
	
	
    ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
    
    public void doGet(HttpServletRequest request,
		HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html");//设置类型
		
        PrintWriter out = response.getWriter();//得到输出流
        out.println("<html>");//HTML开头
        out.println("<body>");//主体开头
        out.println("<head>");//头部信息
		
        String title = rb.getString("requestparams.title");//设置标题部分
        out.println("<title>" + title + "</title>");//输出标题
        out.println("</head>");//头部结尾
        out.println("<body bgcolor=\"white\">");//设置主体部分颜色
        out.println("<a href=\"../reqparams.html\">");
        out.println("<img src=\"../images/code.gif\" height=24 " +
			"width=24 align=right border=0 alt=\"view code\"></a>");//设置图片
        out.println("<a href=\"../index.html\">");
        out.println("<img src=\"../images/return.gif\" height=24 " +
			"width=24 align=right border=0 alt=\"return\"></a>");
		
        out.println("<h3>" + title + "</h3>");//输出文本信息
        String firstName = request.getParameter("firstname");//设置名字参数
        String lastName = request.getParameter("lastname");
        out.println(rb.getString("requestparams.params-in-req") + "<br>");
//获取所需要的信息
        if (firstName != null || lastName != null) {
            out.println(rb.getString("requestparams.firstname"));
            out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
            out.println(rb.getString("requestparams.lastname"));
            out.println(" = " + HTMLFilter.filter(lastName));
        } else {
            out.println(rb.getString("requestparams.no-params"));//或者输出表示没有所要的数据
        }
        out.println("<P>");
        out.print("<form action=\"");//设置按钮提交
        out.print("RequestParamExample\" ");
        out.println("method=POST>");//连接到一个函数
        out.println(rb.getString("requestparams.firstname"));
        out.println("<input type=text size=20 name=firstname>");
        out.println("<br>");
        out.println(rb.getString("requestparams.lastname"));
        out.println("<input type=text size=20 name=lastname>");
        out.println("<br>");
        out.println("<input type=submit>");
        out.println("</form>");//表单结束
		
        out.println("</body>");//主体结束
        out.println("</html>");//HTML结束
    }
	
    public void doPost(HttpServletRequest request,
		HttpServletResponse response)
        throws IOException, ServletException
    {
        doGet(request, response);//执行操作
    }
	
}
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