按条件模糊查询及分页查询

1、查询助手

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 1 package cn.buaa.core.util;

 2 

 3 import java.util.ArrayList;

 4 import java.util.List;

 5 

 6 

 7 public class QueryHelper {

 8     

 9     //from子句

10     private String fromClause = "";

11     //where子句

12     private String whereClause = "";

13     //orderBy子句

14     private String orderByClause = "";

15     

16     private List<Object> parameters;

17     

18     //排序常量

19     public static String ORDER_BY_DESC = "DESC"; //降序

20     public static String ORDER_BY_ASC = "ASC"; //升序

21     /**

22      * 构造from子句(有别名)

23      * @param clazz 实体类

24      * @param alias 实体类对应的别名

25      */

26     public QueryHelper(Class clazz,String alias){

27         fromClause = "From " + clazz.getSimpleName() + " " +alias ;

28         System.out.println(fromClause);

29     }

30     /**
31      * 构造from子句（无别名）

32      * @param clazz 实体类

33      */

34     public QueryHelper(Class clazz){

35         fromClause = "From " + clazz.getSimpleName() ;

36     }

37     

38     /**

39      * 构造where子句

40      * @param condition 查询条件语句：例如：i.title like ?

41      * @param params 查询条件语句中？对应的查询条件的值： 例如：%标题%

42      */

43     public void  addCondition(String condition , Object... params ){

44         if(whereClause.length()>1){//非第一个查询条件

45             whereClause += " AND " + condition;

46         }else{//第一个查询条件

47             whereClause += " WHERE " + condition;

48         }

49         

50         //设置查询条件值到查询条件集合中

51         if(parameters == null){

52             parameters = new ArrayList<Object>();

53         }

54         if(params != null){

55             for(Object param : params){

56                 parameters.add(param);

57             }

58         }

59         

60     }

61     

62     /**

63      * 构造order by子句

64      * @param property 排序属性：如：i.createTime

65      * @param order 排序顺序，如：DESC 或 ASC

66      */

67     public void addOrderByProperty(String property,String order){

68         if(orderByClause.length()>1){//非第一个排序属性

69             orderByClause += " ," + property + " " + order;

70         }else{//第一个排序属性

71             orderByClause += " ORDER BY " + property + " " + order;

72         }

73     }

74     //查询hql语句

75     public String getQueryListHql(){

76         

77         return  fromClause + whereClause + orderByClause ;

78     }

79     

80     //查询统计数的hql语句

81     public String getQueryCountHql(){

82         

83         return "SELECT COUNT( * )  " +  fromClause + whereClause;

84     }

85     

86     //查询hql语句中？对应的查询条件值集合

87     public List<Object> getParameters(){

88         

89         return parameters;

90     }

91 }
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2、dao逻辑处理代码

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@Override

    public PageResult getPageResult(QueryHelper queryHelper, int pageNo, int pageSize) {

        Query query = getSession().createQuery(queryHelper.getQueryListHql());

        List<Object> parameters = queryHelper.getParameters();

        if(parameters != null){

            for(int i= 0;i<parameters.size();i++){

                query.setParameter(i, parameters.get(i));

            }

        }

        if(pageNo<1) pageNo =1;

        query.setFirstResult((pageNo-1)*pageSize);

        query.setMaxResults(pageSize);

        List items =  query.list();


    </span><span style="color: #008000;">//</span><span style="color: #008000;">获取总记录数</span></br>
    Query queryCount =<span style="color: #000000;"> getSession().createQuery(queryHelper.getQueryCountHql());</br>
    </span><span style="color: #0000ff;">if</span>(parameters != <span style="color: #0000ff;">null</span><span style="color: #000000;">){</br>
        </span><span style="color: #0000ff;">for</span>(<span style="color: #0000ff;">int</span> i= 0;i&lt;parameters.size();i++<span style="color: #000000;">){</br>
            queryCount.setParameter(i, parameters.get(i));</br>
        }</br>
    }</br>
    </span><span style="color: #0000ff;">long</span> totalCount = (<span style="color: #0000ff;">long</span><span style="color: #000000;">) queryCount.uniqueResult();</br>
    </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">new</span><span style="color: #000000;"> PageResult(totalCount, pageNo, pageSize, items);</br>
}
</span></pre>



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3、action调用处理代码

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 1         protected PageResult pageResult;

 2     private int pageNo;

 3     private int pageSize;

 4         。。。。
 5 

 6 // 列表页面

 7     public String listUI() throws Exception {

 8         // 加载分类集合

 9         ActionContext.getContext().getContextMap().put("infoTypeMap", Info.INFO_TYPE_MAP);

10         QueryHelper queryHelper = new QueryHelper(Info.class,"i");

11         try {

12             if(info != null){

13                 if(StringUtils.isNotBlank(info.getTitle())){

14                     //搜索框乱码问题解决

15                     info.setTitle(URLDecoder.decode(info.getTitle(),"utf-8"));

16                     queryHelper.addCondition("i.title like ? ", "%" + info.getTitle() + "%");

17                 }

18                 queryHelper.addCondition("i.state = ?", "1");

19             }

20             //根据创建时间降序排序

21             queryHelper.addOrderByProperty(" i.createTime ", QueryHelper.ORDER_BY_DESC);
22             //infoList = infoService.findObjects(queryHelper);

23             pageResult = infoService.getPageResult(queryHelper,getPageNo(),getPageSize());

24         } catch (Exception e) {

25             throw new ActionException("action出现异常：" + e.getMessage());

26         }

27         return "listUI";

28     }
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4、struts配置文件

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    "http://struts.apache.org/dtds/struts-2.3.dtd">



<struts>


<package name="info-action" namespace="/nsfw" extends="base-default">


<action name="info_*" class="cn.buaa.nsfw.info.action.InfoAction"


method="{1}">


<result name="{1}">/WEB-INF/jsp/nsfw/info/{1}.jsp</result>


<result name="list" type="redirectAction">


<param name="actionName">info_listUI</param>


<!-- 搜索框搜索值回显 -->


<param name="info.title">${strTitle}</param>


<param name="pageNo">${pageNo}</param>


<!-- 解决搜索框框乱码 -->


<param name="encode">true</param>


</result>


</action>


</package>


</struts>

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5、jsp显示页面

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<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

<head>

    <%@include file="/common/header.jsp"%>
    <title>信息发布管理</title>

    <script type="text/javascript">

  //全选、全反选

    function doSelectAll() {

        // jquery 1.6 前

        //$("input[name=selectedRow]").attr("checked", $("#selAll").is(":checked"));

        //prop jquery 1.6+建议使用

        $("input[name=selectedRow]").prop("checked",
                $("#selAll").is(":checked"));

    }



</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">添加</span></br>
  <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> doAdd(){</br>
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].action</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">${basePath}nsfw/info_addUI.action</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].submit();</br>
  }</br>
  </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">编辑</span></br>
  <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> doEdit(id){</br>
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].action</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">${basePath}nsfw/info_editUI.action?info.infoId=</span><span style="background-color: #f5f5f5; color: #000000;">"</span> <span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;"> id;</br>
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].submit();</br>
  }</br>
</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">删除</span></br>
  <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> doDelete(id){</br>
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].action</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">${basePath}nsfw/info_delete.action?info.infoId=</span><span style="background-color: #f5f5f5; color: #000000;">"</span> <span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;"> id;</br>
      document.forms[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].submit();</br>
  }</br>



//多选删除


function doDeleteAll(){


document.forms[0].action="${basePath}nsfw/info_deleteSelected.action";


document.forms[0].submit();


}


//异步发布信息，信息的id及将要改成的信息状态

function doPublic(infoId,state){


//1、更新信息状态


      $.ajax({


url:"${basePath}nsfw/info_publicInfo.action",


data:{"info.infoId":infoId,"info.state":state},


type:"post",


success:function(msg){


//2、更新状态栏，操作栏的显示值


if("更新状态成功"  msg){

if(state  1){//说明信息状态已被改成发布，状态栏显示发布，操作栏显示停用


                        $("#show_"+infoId).html("发布");


$("#oper_"+infoId).html('<a href="javascript:doPublic(''+infoId+'',0)">停用</a>');


}else{


$("#show_"+infoId).html("停用");


$("#oper_"+infoId).html('<a href="javascript:doPublic(''+infoId+'',1)">发布</a>');


}


}else{


alert("更新信息状态失败！");


}


},


error:function(){


alert("更新信息状态失败！");


}


});


}



var list_url = "${basePath}nsfw/info_listUI.action";

function doSearch(){


//重置页号


          $("#pageNo").val(1);


document.forms[0].action= list_url ;


document.forms[0].submit();



}

</script>


</head>


<body class="rightBody">


<form name="form1" action="" method="post">


<div class="p_d_1">


<div class="p_d_1_1">


<div class="content_info">


<div class="c_crumbs"><div><b></b><strong>信息发布管理</strong></div> </div>


<div class="search_art">

<li>


信息标题：<s:textfield name="info.title" cssClass="s_text" id="infoTitle"  cssStyle="width:160px;"/>


</li>


<li><input type="button" class="s_button" value="搜 索" onclick="doSearch()"/></li>


<li style="float:right;">


<input type="button" value="新增" class="s_button" onclick="doAdd()"/>&nbsp;


<input type="button" value="删除" class="s_button" onclick="doDeleteAll()"/>&nbsp;


</li>


</div>



            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="t_list"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="margin:0px; border:0px none;"</span><span style="color: #0000ff;">&gt;</span></br>
                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">table </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="100%"</span><span style="color: #ff0000;"> border</span><span style="color: #0000ff;">="0"</span><span style="color: #0000ff;">&gt;</span></br>
                    <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">tr </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="t_tit"</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="30"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="checkbox"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="selAll"</span><span style="color: #ff0000;"> onclick</span><span style="color: #0000ff;">="doSelectAll()"</span> <span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>信息标题<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="120"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>信息分类<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="120"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>创建人<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="140"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>创建时间<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="80"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>状态<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="120"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span>操作<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                    <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">tr</span><span style="color: #0000ff;">&gt;</span></br>
                    <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">s:iterator </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="pageResult.items"</span><span style="color: #ff0000;"> status</span><span style="color: #0000ff;">="st"</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">tr </span><span style="color: #ff0000;">&lt;s:if test</span><span style="color: #0000ff;">="#st.odd"</span><span style="color: #0000ff;">&gt;</span> bgcolor="f8f8f8" <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">s:if</span><span style="color: #0000ff;">&gt;</span><span style="color: #000000;"> &gt;</br>
                            </span><span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="checkbox"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="selectedRow"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="&lt;s:property value='infoId'/&gt;"</span><span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">s:property </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="title"</span><span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">s:property </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="#infoTypeMap[type]"</span><span style="color: #0000ff;">/&gt;</span>    
                            <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">s:property </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="creator"</span><span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">s:date </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="createTime"</span><span style="color: #ff0000;"> format</span><span style="color: #0000ff;">="yyyy-MM-dd HH:mm"</span><span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="show_&lt;s:property value='infoId'/&gt;"</span><span style="color: #ff0000;"> align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;&lt;</span><span style="color: #800000;">s:property </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="state==1?'发布':'停用'"</span><span style="color: #0000ff;">/&gt;&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">td </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">span </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="oper_&lt;s:property value='infoId'/&gt;"</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">s:if </span><span style="color: #ff0000;">test</span><span style="color: #0000ff;">="state==1"</span><span style="color: #0000ff;">&gt;</span></br>
                                    <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:doPublic('&lt;s:property value='infoId'/&gt;',0)"</span><span style="color: #0000ff;">&gt;</span>停用<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">a</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">s:if</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">s:else</span><span style="color: #0000ff;">&gt;</span></br>
                                    <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:doPublic('&lt;s:property value='infoId'/&gt;',1)"</span><span style="color: #0000ff;">&gt;</span>发布<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">a</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">s:else</span><span style="color: #0000ff;">&gt;</span></br></br>
                                    
                                
                                <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">span</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:doEdit('&lt;s:property value='infoId'/&gt;')"</span><span style="color: #0000ff;">&gt;</span>编辑<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">a</span><span style="color: #0000ff;">&gt;</span></br>
                                <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">a </span><span style="color: #ff0000;">href</span><span style="color: #0000ff;">="javascript:doDelete('&lt;s:property value='infoId'/&gt;')"</span><span style="color: #0000ff;">&gt;</span>删除<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">a</span><span style="color: #0000ff;">&gt;</span></br>
                            <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">td</span><span style="color: #0000ff;">&gt;</span></br>
                        <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">tr</span><span style="color: #0000ff;">&gt;</span></br>
                    <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">s:iterator</span><span style="color: #0000ff;">&gt;</span></br>
                <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">table</span><span style="color: #0000ff;">&gt;</span></br>
            <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">div</span><span style="color: #0000ff;">&gt;</span></br>
        <span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">div</span><span style="color: #0000ff;">&gt;</span></br>
    <span style="color: #0000ff;">&lt;</span><span style="color: #800000;">jsp:include </span><span style="color: #ff0000;">page</span><span style="color: #0000ff;">="/common/pageNavigator.jsp"</span><span style="color: #0000ff;">/&gt;</span></br>
<span style="color: #0000ff;">&lt;/</span><span style="color: #800000;">div</span><span style="color: #0000ff;">&gt;</span></br>



</form>



</body>


</html>

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6、分页代码jsp

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@ taglib prefix="s"  uri="/struts-tags"%>

<div class="c_pate" style="margin-top: 5px;">

        <s:if test="pageResult.totalCount > 0">
        <table width="100%" class="pageDown" border="0" cellspacing="0"
            cellpadding="0">

            <tr>

                <td align="right">
                     总共<s:property value="pageResult.totalCount"/><条记录，当前第<s:property value="pageResult.pageNo"/>页，
                     共 <s:property value="pageResult.totalPageCount"/> 页 
                    <s:if test="pageResult.pageNo > 1">

                                 &nbsp;&nbsp;  <a href="javascript:doGoPage(<s:property value="pageResult.pageNo-1"/>)">上一页</a>

                    </s:if>            
     
                    <s:if test="pageResult.pageNo < pageResult.totalPageCount">
                                 &nbsp;&nbsp;<a href="javascript:doGoPage(<s:property value="pageResult.pageNo+1"/>)">下一页</a>

                       </s:if>              
                    到&nbsp;<input id="pageNo" name="pageNo" type="text" style="width: 30px;" onkeypress="if(event.keyCode == 13){doGoPage(this.value);}" min="1"
                    max="" value="<s:property value="pageResult.pageNo"/>" /> &nbsp;&nbsp;

                </td>

            </tr>

        </table>    

        </s:if><s:else>
            暂无数据！
        </s:else>

        </div>

        <script type="text/javascript">
            //翻页

            function doGoPage(pageNo){

                document.getElementById("pageNo").value = pageNo;
                document.forms[0].action =list_url;

                document.forms[0].submit();

            }

        </script>

        </div>
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7、特别注意搜索框的回显问题以及会先后乱码的处理，还有struts配置文件的传值问题

posted @ 2018-04-10 14:24  星朝  阅读(2856)  评论(0)  编辑  收藏  举报