js+java实现高效简单的批量删除功能

批量删除功能包括以下文件：

jsp页面：list.jsp

<% ... @ page contentType="text/html; charset=utf-8" language="java"  %>
<% ... @ page import="java.util.Vector"  %>
<% ... @ page import="myclass.common.property.RetProperty"  %>
<% ... @ page import="myclass.common.property.ParProperty"  %>
< jsp:useBean  id ="mLoad"  class ="myclass.message.MesLoad"  scope ="page"   />

<% ... @ include file="../common/com_config.jsp"  %>
< script  src ="../voice_mail/js_css/voice.js"  type ="text/javascript" ></ script >
<% ...
    ParProperty ppro = new ParProperty();
    ppro.setPNum(1);
    ppro.setENum(10);
    ppro.setType("1");    // 0:新闻;1:留言
    
    Vector vec = mLoad.getList(ppro);
    for (int i = 0; i < vec.size(); i++) {
        RetProperty rpro = (RetProperty)vec.elementAt(i);
        System.out.println(""+rpro.getId());
    }

%>
< div  id ="right" >
     < div  class ="pro_search" >
         < img  src ="../common/image/net_2sub3_r2_c2.gif"   />
     </ div >
     < div  class ="voice_list" >
<% ...
    if(vec.size()>0){
        for (int i = 0; i < vec.size(); i++) {
            RetProperty rpro = (RetProperty)vec.elementAt(i);
            String ls_mesnum = rpro.getMesnum();//
            String ls_type = rpro.getType();//
            String ls_subject = rpro.getSubject();//
            String ls_content = rpro.getContent();//
            String ls_createtime = rpro.getCreatetime();//建档时间
            String ls_createman = rpro.getCreateman();//建档人
%>
         < ul >
             < li > <% ...  if(is_master_flag){  %> < input  type ="checkbox"  id ="Check_message_<%=ls_mesnum%>"  name ="Check_message_<%=ls_mesnum%>"  value ="1"  onchange ="Add_message_bh('<%=ls_mesnum%>');"   /> <% ...  }  %><% = i + 1 %> . 【 &nbsp; <% = ls_subject %> &nbsp; 】 < font  color ="#0080FF" >< b > <% = ls_createman %> </ b ></ font > &nbsp; 说： &nbsp;&nbsp;&nbsp;&nbsp; <% = ls_content %> </ li >
             < li  style ="text-align:right;" > <% = ls_createtime %> </ li >
         </ ul >
<% ...
        }
        if(is_master_flag){
%>
             < div  align ="center" >
                 < input  type ="button"  value ="删  除"  onclick ="Delete_message();"   />
                 < input  type ="hidden"  id ="Choose_message_bh"  name ="Choose_message_bh"  value =""   />
             </ div >
<% ...
        }
    }
%>
     </ div >
</ div >

 js脚本：voice.js

//  JavaScript Document
function  Add_message_bh(mes_bh) ... {
    var checkbox_obj = $("Check_message_"+mes_bh);
    var add_num = "#"+mes_bh+"#";
    var choose_bh = $F("Choose_message_bh");
    if(checkbox_obj.checked && choose_bh.indexOf(add_num)<0)...{
        if(choose_bh=="")...{
            $("Choose_message_bh").value = add_num;
        }else...{
            $("Choose_message_bh").value = choose_bh + "," + add_num;
        }
    }else if(checkbox_obj.checked==false && choose_bh.indexOf(add_num)>=0)...{
        choose_bh = choose_bh.replace(new RegExp(","+add_num),"");
        choose_bh = choose_bh.replace(new RegExp(add_num+""),"");
        choose_bh = choose_bh.replace(new RegExp(add_num),"");
        $("Choose_message_bh").value = choose_bh;
    }
}
function  Delete_message() ... {
    var url = "../voice_mail/voice_manager.jsp";
    var pars = "";
    pars = ajaxaddpars_var("action",pars,"delete");
    pars = ajaxaddpars_formtext("choose_bh",pars,"Choose_message_bh");
    mynormalAjax(url,pars,"Ajax_noreturn_div");
}

数据处理页面：voice_manager.jsp

<% ... @ page contentType="text/html; charset=utf-8" language="java"  %>
<% ... @ page import="java.util.Vector"  %>
<% ... @ page import="myclass.common.property.MessProperty"  %>
<% ... @ page import="myclass.common.property.ParProperty"  %>
< jsp:useBean  id ="mSave"  class ="myclass.message.MesSave"  scope ="page"   />
<% ... @ include file="../common/com_config.jsp"  %>

<% ...
    String gs_action = CB.clearNull(request.getParameter("action"));
    String gs_choose_bh = CB.clearNull(request.getParameter("choose_bh"));
%>
<% ...
if("delete".equals(gs_action)){
    String temp_choose_bh = gs_choose_bh.replaceAll("#","");
    ParProperty ppro = new ParProperty();
        ppro.setMesnum(temp_choose_bh);
    MessProperty mpro = new MessProperty();
    mpro = mSave.delete(ppro);
%>
     < script  language ="javascript" > ...
        alert("<%=mpro.getMessage()%>");
        window.document.location.reload();
     </ script >
<% ...
}
%>

java核心代码

public   class  MesSavePart  ... {
    protected void deleteMessage(Session hSession, ParProperty ppro)...{
        String hqlQuery = "update Message set state='1' where mesnum in ("+ ppro.getMesnum() +") ";
        Query query = hSession.createQuery(hqlQuery);
        query.executeUpdate();

    }
}

public   class  MesSave  ... {
    private MesSavePart msp = new MesSavePart();
    public MessProperty delete(ParProperty ppro)...{
        Session hSession = HibernateInit.Session();
        MessProperty mpro = new MessProperty();
        
        try ...{
            hSession.beginTransaction().begin();
            msp.deleteMessage(hSession, ppro);
            hSession.beginTransaction().commit();
            mpro.success();
        } catch (RuntimeException e) ...{
            hSession.beginTransaction().rollback();
            System.out.println("删除信息出错！");
            e.printStackTrace();
        }
        return mpro;
    }
}