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43 lines
1.4 KiB
43 lines
1.4 KiB
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import javax.servlet.*;
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import javax.servlet.http.*;
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import javax.servlet.annotation.*;
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import java.io.IOException;
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import java.io.PrintWriter;
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@WebServlet("/ApplicantRegisterServlet")
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public class ApplicantRegisterServlet extends HttpServlet {
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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}
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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//设置请求和响应编码
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request.setCharacterEncoding("UTF-8");
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response.setContentType("text/html;charset=UTF-8");
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PrintWriter out = response.getWriter();
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//获取请求参数
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String email = request.getParameter("email");
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String pwd = request.getParameter("pwd");
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//邮箱唯一性：注册使用的邮箱不能重复
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ApplicantDao appDao = new ApplicantDao();
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Boolean flag = appDao.isExistEmail(email);
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if (flag){
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out.println("<script type='text/javascript'>");
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out.println("alert('邮箱已被注册，请重新输入');");
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out.println("window.location = 'register.jsp'");
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out.println("</script>");
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}else {
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appDao.insertEmail(email,pwd);
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response.sendRedirect("login.jsp");
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}
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}
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}
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