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;
    }
}