itemsbean.java

DWR开发,ajax的联动,一些效果等等,非常实用,简单易懂

package org.baiyun;

import java.util.LinkedHashMap;
import java.util.Map;

public class ItemsBean { 
    private String[] class1 = {"同学1","同学2","同学3","同学4","同学5","同学6"}; 
    private String[] class2 = {"同学7","同学8","同学9","同学10"}; 
    private String[] class3 = {"同学11","同学12","同学13","同学14","同学15","同学16","同学17"}; 
    private String[] class4 = {"同学18","同学19","同学20"}; 
    private String[] class5 = {"同学21","同学22","同学23","同学24","同学25","同学26"}; 
    /** Creates a new instance of ItemsBean */ 
    public ItemsBean() { 
    } 
     
    public Map ClassList() { 
        Map<String, String> reply = new LinkedHashMap<String, String>(); 
        reply.put("0", "所有"); 
        reply.put("1", "班级1"); 
        reply.put("2", "班级2"); 
        reply.put("3", "班级3"); 
        reply.put("4", "班级4"); 
        reply.put("5", "班级5"); 
        return reply; 
    } 
     
    public Map UserList(String CLASSID) { 
        Map<String, String> reply = new LinkedHashMap<String, String>(); 
        reply.put("0", "所有"); 
         
        // 这里用数组模拟数据库查询结果。 
        // 真实环境中，你只要将数据库查询结果放入到reply里面就可以了。 
        // reply的id就是返回后下拉框的option的value，reply的value就是返回后下拉框的option的text。 
        // 如: sql = "select * from users where classid=?"; 
        if(CLASSID==null || CLASSID.equals("") || CLASSID.equals("0")){ 
            // 
        }else if(CLASSID.equals("1")){ 
            int id =1; 
            for(int i=0;i<class1.length;i++){ 
                reply.put(""+id, class1[i]); 
                id++; 
            } 
        }else if(CLASSID.equals("2")){ 
            int id =1; 
            for(int i=0;i<class2.length;i++){ 
                reply.put(""+id, class2[i]); 
                id++; 
            } 
        }else if(CLASSID.equals("3")){ 
            int id =1; 
            for(int i=0;i<class3.length;i++){ 
                reply.put(""+id, class3[i]); 
                id++; 
            } 
        }else if(CLASSID.equals("4")){ 
            int id =1; 
            for(int i=0;i<class4.length;i++){ 
                reply.put(""+id, class4[i]); 
                id++; 
            } 
        }else if(CLASSID.equals("5")){ 
            int id =1; 
            for(int i=0;i<class5.length;i++){ 
                reply.put(""+id, class5[i]); 
                id++; 
            } 
        } 
         
        return reply; 
    } 
}