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📄 postcode_jsp.java

📁 用Ajax技术实现一个邮政编码查找的功能.
💻 JAVA
字号:
🔍 
package org.apache.jsp.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;

public final class postcode_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>\r\n");
      out.write("      postcode\r\n");
      out.write("    </title>\r\n");
      out.write("    <script type=\"text/javascript\" language=\"javascript\">\r\n");
      out.write("    function checkNumber()\r\n");
      out.write("    {\r\n");
      out.write("      var val = event.keyCode;\r\n");
      out.write("      if(val>=48&&val<=57)\r\n");
      out.write("          event.returnValue=true;\r\n");
      out.write("      else\r\n");
      out.write("          event.returnValue=false;\r\n");
      out.write("    }\r\n");
      out.write("\r\n");
      out.write("    var xmlHttp;\r\n");
      out.write("    //创建对象\r\n");
      out.write("    function createXMLHttp()\r\n");
      out.write("    {\r\n");
      out.write("      if(window.XMLHttpRequest)\r\n");
      out.write("          xmlHttp = new XMLHttpRequest();\r\n");
      out.write("      else if(window.ActiveXObject)\r\n");
      out.write("          xmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");\r\n");
      out.write("    }\r\n");
      out.write("\r\n");
      out.write("    //开始请求\r\n");
      out.write("    function startRequest()\r\n");
      out.write("    {\r\n");
      out.write("      var elem = document.getElementById(\"txtCode\").value;\r\n");
      out.write("      if(elem.length==6)\r\n");
      out.write("      {\r\n");
      out.write("        createXMLHttp();\r\n");
      out.write("        xmlHttp.onreadystatechange=handleRequest;\r\n");
      out.write("        xmlHttp.open(\"GET\",\"/ZipModule/jsp/code.jsp?postalcode=\"+elem,true);\r\n");
      out.write("        xmlHttp.send(null);\r\n");
      out.write("      }\r\n");
      out.write("    }\r\n");
      out.write("\r\n");
      out.write("    function handleRequest()\r\n");
      out.write("    {\r\n");
      out.write("      if(xmlHttp.readyState==4){\r\n");
      out.write("        if(xmlHttp.status == 200){\r\n");
      out.write("          var areaInfo = xmlHttp.responseText;\r\n");
      out.write("          if(areaInfo!=\"\"&&areaInfo.length!=0){\r\n");
      out.write("            var a=areaInfo.split(\"|\");\r\n");
      out.write("            document.getElementById(\"txtArea\").value = a[0];\r\n");
      out.write("            if(a[1]!=null)\r\n");
      out.write("                document.getElementById(\"txtCity\").value = a[1];\r\n");
      out.write("          }else{\r\n");
      out.write("            document.getElementById(\"txtArea\").value = \" \";\r\n");
      out.write("            document.getElementById(\"txtCity\").value = \" \";\r\n");
      out.write("          }\r\n");
      out.write("        }\r\n");
      out.write("      }\r\n");
      out.write("\r\n");
      out.write("    }\r\n");
      out.write("    </script>\r\n");
      out.write("  </head>\r\n");
      out.write("  <body bgcolor=\"#ffffff\">\r\n");
      out.write("    <h2>\r\n");
      out.write("      请输入邮政编码\r\n");
      out.write("    </h2>\r\n");
      out.write("    <form action=\"#\" >\r\n");
      out.write("      <br>邮政编码：<input type=\"text\" name=\"txtCode\" id=\"txtCode\" maxlength=\"6\" onkeypress=\"checkNumber()\" onchange=\"startRequest()\"/>\r\n");
      out.write("      <br>地&nbsp;&nbsp;&nbsp;&nbsp;区：<input type=\"text\" name=\"txtArea\" id=\"txtArea\" readonly=\"readonly\"/>\r\n");
      out.write("      <br>城&nbsp;&nbsp;&nbsp;&nbsp;市：<input type=\"text\" name=\"txtCity\" id=\"txtCity\" readonly=\"readonly\"/>\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);
    }
  }
}

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