?? loginaction.java
字號:
package cn.com.blogonline;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class LoginAction extends HttpServlet {
public void init(ServletConfig config) throws ServletException {
}
/*
* 處理<GET> 請求方法.
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//設置接收信息的字符集
request.setCharacterEncoding("UTF-8");
//接收瀏覽器端提交的信息
String uname = request.getParameter("uname");
String psw = request.getParameter("psw");
String checkwd = request.getParameter("checkwd");
HttpSession session = request.getSession();
String checkwd2 = (String)session.getAttribute("rand");
//設置輸出信息的格式及字符集
response.setContentType("text/xml; charset=UTF-8");
response.setHeader("Cache-Control", "no-cache");
//創建輸出流對象
PrintWriter out = response.getWriter();
//依據驗證結果輸出不同的數據信息
out.println("<response>");
Blog blog=new DbOperate().getBlog(uname);
if (blog==null){ //用戶名錯誤
out.println("<res>1</res>");
}
else{
String dbPassword = blog.getPassword();
if (!dbPassword.equals(psw)) { //口令錯誤
out.println("<res>2</res>");
}
else if (!checkwd.equals(checkwd2)) { //驗證碼錯誤
out.println("<res>3</res>");
}
else{
session.setAttribute(Constants.LOGIN_USER_KEY,blog);
out.println("<res>0</res>");
out.println("<id>" + blog.getId() + "</id>");
}
}
out.println("</response>");
out.close();
}
}
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