📄 login_jsp.java
字号:
package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import com.db.*;
public final class login_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=GBK");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n");
out.write("\r\n");
out.write("<html>\r\n");
out.write("<head>\r\n");
out.write("<title>登录</title>\r\n");
out.write("<script language=\"javascript\" type=\"\">\r\n");
out.write("function tj(){\r\n");
out.write(" if(form1.username.value==\"\"){\r\n");
out.write(" alert(\"对不起，用户名不能为空！\");\r\n");
out.write(" form1.username.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write(" if(form1.password.value==\"\"){\r\n");
out.write(" alert(\"对不起，密码不能为空！\");\r\n");
out.write(" form1.password.focus();\r\n");
out.write(" return false;\r\n");
out.write(" }\r\n");
out.write("}\r\n");
out.write("</script>\r\n");
out.write("</head>\r\n");
String flag = request.getParameter("flag");
String name = request.getParameter("username");
String password = request.getParameter("password");
if(flag!=null&&!flag.equals("")){
Login rs = new Login();
if(rs.login(name,password)){
session.setAttribute("username",name);//把用户名放入session
response.sendRedirect("message.jsp");
}else{
out.print("<h1>登录失败！</h1>");
out.print("<h1><a href='javascript:history.back();'>返回</h1>");
return;
}
}
out.write("\r\n");
out.write("<body>\r\n");
out.write("<h1 align=\"center\">欢迎登录留言板系统</h1>\r\n");
out.write("<form name=\"form1\" method=\"POST\" action=\"\" onsubmit=\"return tj();\">\r\n");
out.write(" <input type=\"hidden\" name=\"flag\" value=\"login\"/>\r\n");
out.write("<table width=\"380\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\">\r\n");
out.write(" <tr>\r\n");
out.write(" <td><div align=\"center\">用户名：</div></td>\r\n");
out.write(" <td><input type=\"text\" name=\"username\"></td>\r\n");
out.write(" </tr>\r\n");
out.write(" <tr>\r\n");
out.write(" <td><div align=\"center\">密 码：</div></td>\r\n");
out.write(" <td><input type=\"password\" name=\"password\"></td>\r\n");
out.write(" </tr>\r\n");
out.write(" <tr>\r\n");
out.write(" <td><div align=\"center\">\r\n");
out.write(" <input type=\"submit\" name=\"Submit\" value=\"提交\">\r\n");
out.write(" </div></td>\r\n");
out.write(" <td><div>\r\n");
out.write(" <input type=\"reset\" name=\"Submit\" value=\"重置\">\r\n");
out.write(" </div>\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" <tr>\r\n");
out.write(" <td colspan=\"2\">\r\n");
out.write(" <div align=\"center\"><a href=\"register.jsp\">注 册？</a></div>\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write("</table>\r\n");
out.write("</body>\r\n");
out.write("</html>\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -