package servlet.study;
//import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class ServletDemo
*/
public class ServletDemo extends HttpServlet {
private static final long serialVersionUID = 1L;
private String name = "";
private String password = "";
/**
* Default constructor.
*/
public ServletDemo() {
// TODO Auto-generated constructor stub
System.out.println("log: ServletDemo enter");
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
String url=request.getRequestURL().toString();
System.out.println("log: ServletDemo doGet: url="+url);
String strName = request.getParameter("name");
String strPassword = request.getParameter("password");
System.out.println("log: ServletDemo doGet: name="+strName+": password="+strPassword);
boolean isPass = false;
if(url!=null && url.contains("login")){
try{
if((strName!=null)&&(strPassword!=null)){
if(name.contentEquals(strName) && password.contentEquals(strPassword) ){
isPass = true;
}
}
} catch (Exception e){
e.printStackTrace();
}
}
if(true){
//返回json
response.setContentType("text/json");
PrintWriter out = response.getWriter();
if(isPass){
out.println("{\"result\":\"success\"}");
} else {
out.println("{\"result\":\"input info is invalid\"}");
}
out.flush();
out.close();
} else {
//返回一个html页面
response.setContentType("text/html");
response.setHeader("content-type","text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.print("<br>");
if(isPass){
out.println(" 登录成功");//.getBytes("GBK")
} else {
out.println(" 登录失败");
}
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
System.out.println("log: ServletDemo doPost:");
response.setContentType("text/json");
PrintWriter out = response.getWriter();
String url=request.getRequestURL().toString();
System.out.println("log: ServletDemo doPost: url="+url);
try{
name = request.getParameter("name");
password = request.getParameter("password");
System.out.println("log: ServletDemo doPost: name="+name+": password="+password);
if(url!=null && url.contains("register")){
out.println("{\"result\":\"success\"}");
} else {
out.println("{\"result\":\"fail\"}");
}
} catch (Exception e){
out.println("{\"result\":\"fail\"}");
}
}
}
使用servlet的简单服务器demo
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2017-03-19
17:15:00
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评论 1
收藏 32KB RAR 举报 
webtest-ok1.rar （22个子文件） 
Servers Tomcat v7.0 Server at localhost-config 
context.xml 1KB web.xml 160KB tomcat-users.xml 1KB catalina.properties 6KB server.xml 6KB catalina.policy 12KB .settings org.eclipse.wst.server.core.prefs 112B .project 211B WebTest WebContent META-INF MANIFEST.MF 39B WEB-INF web.xml 1KB
index.html 675B get.html 200B lib .settings org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.wst.common.project.facet.core.xml 305B org.eclipse.wst.common.component 473B org.eclipse.wst.jsdt.ui.superType.container 49B .jsdtscope 503B org.eclipse.jdt.core.prefs 598B src servlet study ServletDemo.java 4KB .project 1KB .classpath 692B build classes servlet study ServletDemo.class 3KB资源评论
mhkl12312021-07-20好好好好好好
