【Java开源代码栏目提醒】:网学会员Java开源代码为您提供voteServlet.java参考,解决您在voteServlet.java学习中工作中的难题,参考学习。
package vote;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class voteServlet extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK";
/**Initialize global variables*/
public void init() throws ServletException {
}
/**Process the HTTP Get request*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>");
out.println("投票系统");
out.println("</title>");
out.println("<meta content=\"text/html; charset=gb_2312-80\" http-equiv=\"Content-Type\">");
out.println("<meta content=\"blueriver\" name=\"Author\">");
out.println("</head>");
out.println("<body>");
out.println("<script language=\"javascript\">");
out.println("<!--");
out.println(" function validate_form() {");
out.println(" validity = true;");
out.println(" if (!check_empty(document.submitt.candidate.value))");
out.println(" {");
out.println(" validity = false;");
out.println(" alert('请选择一个候选公司!');");
out.println(" document.submitt.candidate.focus();");
out.println(" return validity;");
out.println(" }");
out.println(" if (!check_empty(document.submitt.voter.value))");
out.println(" {");
out.println(" validity = false;");
out.println(" alert('请输入您的');");
out.println(" document.submitt.voter.focus();");
out.println(" return validity;");
out.println(" }");
out.println(" if (!check_empty(document.submitt.company.value))");
out.println(" {");
out.println(" validity = false;");
out.println(" alert('请输入您所在公司的名称');");
out.println(" document.submitt.company.focus();");
out.println(" return validity;");
out.println(" }");
out.println(" if (!check_empty(document.submitt.country.value))");
out.println(" {");
out.println(" validity = false;");
out.println(" alert('请输入您所在的国家的名称');");
out.println(" document.submitt.country.focus();");
out.println(" return validity;");
out.println(" }");
out.println(" // return validity;");
out.println(" }");
out.println("");
out.println("function check_empty(text) {");
out.println(" return text.length > 0;");
out.println(" }");
out.println("");
out.println("//-->");
out.println("</script>");
out.println("");
out.println("<h2 align=\"center\">");
out.println("<font color=\"#0000FF\">");
out.println("这是一个简单的投票系统");
out.println("</font></h2>");
out.println("<hr>");
out.println("<form name=\"submitt\" action=\"vote.feedbackServlet\" method=\"post\"");
out.println("onsubmit=\"return validate_form()\">");
out.println(" <div align=\"center\"><center><strong>选出你最喜爱的公司:</strong><br>");
out.println(" </center></div><div align=\"center\"><center><select name=\"candidate\" size=1>");
out.println(" <option value=\"\"></option>");
out.println(" <option value=\"Sun MicroSystem\">Sun MicroSystem</option>");
out.println(" <option value=\"Oracle\">Oracle</option>");
out.println(" <option value=\"IBM\">IBM</option>");
out.println(" <option value=\"Microsoft\">Microsoft</option>");
out.println(" </select><p>");
out.println(" </center></div>");
out.println("<div align=\"center\">");
out.println(" <center>");
out.println(" <font color=\"#FF0000\"><b>请认真准确的填写您的个人资料</b></font><br><br>");
out.println(" </center>");
out.println("</div>");
out.println("<div align=\"center\"><center><strong>姓 名:</strong>");
out.println(" <input type=\"text\"");
out.println(" name=\"voter\" size=\"20\" maxlength=\"50\"><br>");
out.println(" </center></div>");
out.println(" <div align=\"center\"><center><strong>所在公司:</strong>");
out.println("<input type=\"text\" name=\"company\" size=20 maxlength=50><br>");
out.println(" </center></div>");
out.println("<div align=\"center\"><center><strong>所在国家:</strong>");
out.println("<input type=\"text\" name=\"country\" size=\"20\" maxlength=\"50\"><p>");
out.println(" </center></div>");
out.println("<div align=\"center\"><center>");
out.println(" <font size=\"+1\"><input type=\"submit\" value=\"确定投票\"> ");
out.println("<input type=\"reset\" value=\"全部重填\"> </font>");
out.println(" </center></div>");
out.println("<font size=\"+1\">");
out.println("</form>");
out.println("");
out.println("<hr>");
out.println("<center>");
out.println("<a href=\"vote.showServlet\" target=_blank>察看当前选举情况</a>");
out.println("</center>");
out.println("</body>");
out.println("</html>");
}
/**Clean up resources*/
public void destroy() {
}
}
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