getclass.jsp

ajax 例子. 包括:ajax实现级联菜单,下拉列表,dwr的使用. ajax总结文档. 以及相关ajax书籍等.

<%@ page contentType="text/html; charset=big5"%>
<%@ page import="com.star.*"%>
<%
String class1Id = request.getParameter("class1Id");
String class2Id = request.getParameter("class2Id");
//System.out.println("Class1Id:"+class1Id+"|Clas2Id:"+class2Id);
if("".equals(class1Id)) class1Id = null;
if("".equals(class2Id)) class2Id = null;
ClassService service = new ClassService();
if((class1Id!=null)&&(class2Id==null)) {
	ProductClass[] classes = service.getClass2ById(class1Id);
	if(classes!=null) {
		for(int i=0;i<classes.length;i++) {
			out.print(classes[i].getId()+","+classes[i].getClassName()+"|");
		}
	}
}
else if((class1Id!=null)&&(class1Id!=null)) {
	ProductClass[] classes = service.getClass3ById(class1Id,class2Id);
	if(classes!=null) {
		for(int i=0;i<classes.length;i++) {
			out.print(classes[i].getId()+","+classes[i].getClassName()+"|");
		}
	}
}
%>