📄 test_jsp.java

📁 这是本人最初练习ajax时的小程序,是用ＪＳＰ写的
💻 JAVA
字号:
package org.apache.jsp;

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

public final class test_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.List _jspx_dependants;

  public Object 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=ISO-8859-1");
      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("\n");
      out.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n");
      out.write("<html>\n");
      out.write("<head>\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\n");
      out.write("<title><b>test</b></title>\n");
      out.write("</head>\n");
      out.write("<body>\r\n");
      out.write("<script language=\"JavaScript\" type=\"text/javascript\">\r\n");
      out.write("var _xmlhttpobj;\r\n");
      out.write("function createHttp(){\r\n");
      out.write("var submiturl=\"loadservlet.do\";\r\n");
      out.write("    if(window.createRequest){\r\n");
      out.write("        alert(\"ok\");\r\n");
      out.write("        _xmlhttpobj= window.createRequest();\r\n");
      out.write("        \r\n");
      out.write("        _xmlhttpobj.open('POST',submiturl,true);\r\n");
      out.write("        _xmlhttpobj.onreadystatechange=handlerequest;\r\n");
      out.write("        _xmlhttpobj.send();\r\n");
      out.write("     }\r\n");
      out.write("     else if(window.XMLHttpRequest){\r\n");
      out.write("        alert(\"ok\");\r\n");
      out.write("        _xmlhttpobj=new XMLHttpRequest();\r\n");
      out.write("        \r\n");
      out.write("        _xmlhttpobj.open('POST',submiturl,true);\r\n");
      out.write("        _xmlhttpobj.onreadystatechange=handlerequest;\r\n");
      out.write("        _xmlhttpobj.send(\"\");\r\n");
      out.write("     }\r\n");
      out.write("     else if(window.ActiveXObject){\r\n");
      out.write("        alert(\"ok\");\r\n");
      out.write("        _xmlhttpobj=new ActiveXObject(\"Microsoft.XMLHTTP\");\r\n");
      out.write("       \r\n");
      out.write("        _xmlhttpobj.open('POST',submiturl,true);\r\n");
      out.write("        _xmlhttpobj.onreadystatechange=handlerequest;\r\n");
      out.write("        _xmlhttpobj.send();\r\n");
      out.write("     }\r\n");
      out.write("}\r\n");
      out.write("\r\n");
      out.write("function handlerequest(){\r\n");
      out.write("        var tprovince=document.getElementById(\"province\");\r\n");
      out.write("        alert(tprovince);\r\n");
      out.write("        alert(_xmlhttpobj.readyState);\r\n");
      out.write("        if(_xmlhttpobj.readystate==4&&_xmlhttpobj.status==200){\r\n");
      out.write("         tprovince.innerHTML=_xmlhttpobj.responseText;\r\n");
      out.write("             \r\n");
      out.write(" //          var menu1[]=eval(_xmlhttpobj.responseText);\r\n");
      out.write("      \r\n");
      out.write("            //alert(tprovince[0]);\r\n");
      out.write("//           for(var i=1;i<=(menu1.length-1)/2;i++){\r\n");
      out.write(" //          alert(i);\r\n");
      out.write("//           tprovince[i]=new Option(menu1[2*i-1],menu1[2*i]);\r\n");
      out.write("            }\r\n");
      out.write("\r\n");
      out.write("        }\r\n");
      out.write("}\r\n");
      out.write("\r\n");
      out.write("window.onload=createHttp();\r\n");
      out.write("</script>\n");
      out.write("<form name=\"test\">\r\n");
      out.write("<select id=\"province\" onchange=\"\"></select>\r\n");
      out.write("&nbsp;&nbsp;&nbsp;&nbsp;\r\n");
      out.write("<select id=\"city\"></select>\r\n");
      out.write("</form>\n");
      out.write("</body>\n");
      out.write("</html>");
    } 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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