package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
public final class jsp1_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("<html>\r\n");
out.write(" <head>\r\n");
out.write(" <title>注册用户惟一性检查</title>\r\n");
out.write(" <meta http-equiv=\"content-type\" content=\"text/html; charset=gb2312\">\r\n");
out.write(" </head>\r\n");
out.write("<script language=\"javascript\" type=\"\">\r\n");
out.write("\t//定义一个变量用于存放XMLHttpRequest对象\r\n");
out.write("\tvar xmlHttp;\r\n");
out.write("\r\n");
out.write("\t//该函数用于创建一个XMLHttpRequest对象\r\n");
out.write("\tfunction createXMLHttpRequest() {\r\n");
out.write("\t\tif (window.ActiveXObject) {\r\n");
out.write("\t\t\txmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");\r\n");
out.write("\t\t}\r\n");
out.write("\t\telse if (window.XMLHttpRequest) {\r\n");
out.write("\t\t\txmlHttp = new XMLHttpRequest();\r\n");
out.write("\t\t}\r\n");
out.write("\t}\r\n");
out.write("\r\n");
out.write("\t//这是一个启动AJAX异步通信的方法\r\n");
out.write("\tfunction beginCheck(){\r\n");
out.write("\t\tvar tempLoginName = document.all.loginName.value;\r\n");
out.write("\t\tif (tempLoginName == \"\"){//如果尚未输入注册名\r\n");
out.write("\t\t \talert(\"对不起，请您输入注册名!\");\r\n");
out.write("\t\t \treturn;\r\n");
out.write("\t\t}\r\n");
out.write("\t\t//创建一个XMLHttpRequest对象\r\n");
out.write("\t\tcreateXMLHttpRequest();\r\n");
out.write("\t\t//将状态触发器绑定到一个函数\r\n");
out.write("\t\txmlHttp.onreadystatechange = processor;\r\n");
out.write("\t\t//通过GET方法向指定的URL建立服务器的调用\r\n");
out.write("\t\txmlHttp.open(\"POST\", \"checkuser?loginName=\"+tempLoginName);\r\n");
out.write("\t\t//发送请求\r\n");
out.write("\t\txmlHttp.send(null);\r\n");
out.write("\t}\r\n");
out.write("\r\n");
out.write("\r\n");
out.write("\r\n");
out.write("\r\n");
out.write("\t//这是一用来处理状态改变的函数\r\n");
out.write("\tfunction processor () {\r\n");
out.write("\t\t//定义一个变量用于存放从服务器返回的响应结果\r\n");
out.write("\t\tvar responseContext;\r\n");
out.write("\t\tif(xmlHttp.readyState == 4) { //如果响应完成\r\n");
out.write("\t\t\tif(xmlHttp.status == 200) {//如果返回成功\r\n");
out.write("\t\t\t\t//取出服务器的响应内容\r\n");
out.write("\t\t\t\tresponseContext = xmlHttp.responseText;\r\n");
out.write("\t\t\t\t//如果注册名检查有效\r\n");
out.write("\t\t\t\tif (responseContext.indexOf(\"true\")!=-1){\r\n");
out.write("\t\t\t\t\talert(\"恭喜您，该注册名有效！\");\r\n");
out.write("\t\t\t\t}else{\r\n");
out.write("\t\t\t\t\talert(\"对不起，该注册名已被使用！\");\r\n");
out.write("\t\t\t\t}\r\n");
out.write("\t\t\t}\r\n");
out.write("\t\t}\r\n");
out.write("\t}\r\n");
out.write("</script>\r\n");
out.write(" <body>\r\n");
out.write(" <form name=\"form1\" action=\"checkuser\" method=\"POST\">\r\n");
out.write(" \t请输入注册用户名：\r\n");
out.write(" \t<input name=\"loginName\" type=\"text\" id=\"loginName\">\r\n");
out.write(" \t<input type=\"button\" name=\"checkLoginName\" value=\"有效性检查\"\r\n");
out.write(" \t\t onclick=\"beginCheck()\"><br>\r\n");
out.write("\r\n");
out.write(" </form>\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);
}
}
}
ajax验证用户名是否存在
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2008-12-27
10:33:05
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收藏 41KB RAR 举报 
AJAX验证是否存在.rar （43个子文件） 
aaaa Tomcat work WebModule1 org apache jsp 
jsp1_jsp.java 5KB jsp1_jsp.class 5KB SESSIONS.ser 1KB tldCache.ser 44B webapps Servlet.library 219B WebModule1 WEB-INF web.xml 578B classes com cvit Bean CheckUser.class 2KB jsp1.jsp 2KB bak com cvit Bean CheckUser.java~4~ 2KB CheckUser.java~2~ 2KB CheckUser.java~1~ 1KB CheckUser.java~3~ 2KB WebModule1 jsp1.jsp~7~ 3KB jsp1.jsp~5~ 3KB WEB-INF web.xml~15~ 578B web.xml~21~ 578B web.xml~19~ 578B web.xml~20~ 1KB web.xml~16~ 1KB web.xml~18~ 1KB web.xml~17~ 578B web.xml~22~ 1KB web.xml~14~ 1KB web.xml~13~ 578B jsp1.jsp~4~ 2KB jsp1.jsp~3~ 2KB jsp1.jsp~2~ 2KB jsp1.jsp~9~ 2KB jsp1.jsp~8~ 2KB jsp1.jsp~10~ 2KB jsp1.jsp~6~ 3KB jsp1.jsp~11~ 2KB jsp2.jsp~1~ 181B src com cvit Bean CheckUser.java 2KB CheckUser.jbx 37B aaaa.jpx 7KB aaaa.jpx.local 2KB aaaa.jpx.local~ 2KB classes Generated Source .jsp WebModule1 org apache jsp jsp1_jsp.java 4KB jsp cache WebModule1 org apache jsp jsp1_jsp.class 5KB package cache org.apache.jsp.dep2 2KB com cvit Bean CheckUser.class 2KB package cache com.cvit.Bean.dep2 2KB资源评论
李先森丶2012-10-13可以用，还可以
MIchelleyan
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