• 查询和分页代码


    查询:

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
        String path = request.getContextPath();
        String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    <%
        String[] columns = request.getParameter("columns").split("\|");
        String column = request.getParameter("column");
        String keyword = request.getParameter("keyword");
        String pageSize = request.getParameter("pageSize");
        String url = request.getParameter("url"); 
    %> 
    <html>
      <head>
        <base href="<%=basePath%>"> 
        <title>My JSP 'emp_search.jsp' starting page</title> 
      </head>
      
      <body>
      key word to search:&nbsp;<select id="clumunName">
          <%
          for(String col : columns)
          {
        %>
            <option value="<%=col%>" <%=column.equals(col)==true?"selected":"" %>><%=col %></option>
        <%
          }
          %>
      </select>=<input type="text" id="kw" name="kw" value="<%=keyword %>" />&nbsp;<button onclick="gotoPage(1,<%=pageSize %>,'<%=url %>')">Search</button>
      </body>
    </html>

    分页代码:

    <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
    <%
        String path = request.getContextPath();
        String basePath = request.getScheme() + "://"
                + request.getServerName() + ":" + request.getServerPort()
                + path + "/";
    %>
    <%
        Integer[] pageSizeArray = new Integer[]
        { 1, 3, 5, 10, 20 };
    %>
    <%
        Integer currentPage = Integer.parseInt(request.getParameter("cp"));
        Integer totalPage = Integer.parseInt(request.getParameter("tp"));
        Integer pageSize = Integer.parseInt(request.getParameter("ps"));
        String url = request.getParameter("url");
    %>
    <html>
    <head>
    <base href="<%=basePath%>">
    <title>My JSP 'emp_foot.jsp' starting page</title>
    </head>
    
    <body>
    
    
        <p id="page">
        <%
            if(currentPage == 1)
            {
                %>
                <a onclick="return false')" class="disabled">First Page</a>
                <%
            }
            else
            {
                %>
                <a onclick="gotoPage(1,<%=pageSize%>,'<%=url%>')" class="n">First Page</a>
                <%
            }
        %>
        <%
            if(currentPage == 1)
            {
                %>
                <a onclick="return false')" class="disabled" >Previous Page</a>
                <%
            }
            else
            {
                %>
                <a onclick="gotoPage(<%=currentPage - 1%>,<%=pageSize%>,'<%=url%>')"  class="n">Previous Page</a>
                <%
            }
        %> 
            <%
                if (totalPage <= 5)
                {
                    for (int i = 1; i <= totalPage; i++)
                    {
                        if (i == currentPage)
                        {
            %>
            <strong><span class="fk fk_cur"></span><span class="pc"><%=i%></span></strong>
            <%
                } else
                        {
            %>
            <a onclick="gotoPage(<%=i%>,<%=pageSize%>,'<%=url%>')"><span
                class="fk"></span><span class="pc"><%=i%></span></a>
            <%
                }
                    }
                } else
                {
                    if ((currentPage - 2) >= 1 && (currentPage + 2) <= totalPage)
                    {
                        int startPage = currentPage - 2;
                        int endPage = currentPage + 2;
                        //将currentPage放到最中间
                        for (int i = startPage; i <= endPage; i++)
                        {
                            if (i == currentPage)
                            {
            %>
            <strong><span class="fk fk_cur"></span><span class="pc"><%=i%></span></strong>
            <%
                } else
                            {
            %>
            <a onclick="gotoPage(<%=i%>,<%=pageSize%>,'<%=url%>')"><span
                class="fk"></span><span class="pc"><%=i%></span></a>
            <%
                }
                        }
                    } else if ((currentPage - 2) < 1)
                    {
                        int startPage = 1;
                        int endPage = 5;
                        for (int i = startPage; i <= endPage; i++)
                        {
                            if (i == currentPage)
                            {
            %>
            <strong><span class="fk fk_cur"></span><span class="pc"><%=i%></span></strong>
            <%
                } else
                            {
            %>
            <a onclick="gotoPage(<%=i%>,<%=pageSize%>,'<%=url%>')"><span
                class="fk"></span><span class="pc"><%=i%></span></a>
            <%
                }
                        }
                    } else if ((currentPage + 2) > totalPage)
                    {
                        int startPage = totalPage - 4;
                        int endPage = totalPage;
                        for (int i = startPage; i <= totalPage; i++)
                        {
                            if (i == currentPage)
                            {
            %>
            <strong><span class="fk fk_cur"></span><span class="pc"><%=i%></span></strong>
            <%
                } else
                            {
            %>
            <a onclick="gotoPage(<%=i%>,<%=pageSize%>,'<%=url%>')"><span
                class="fk"></span><span class="pc"><%=i%></span></a>
            <%
                }
                        }
                    }
                }
            %>
            <%
                if(currentPage == totalPage)
                {
                    %>
                    <a onclick="return false')" class="disabled" >Next Page</a>
                    <%
                }
                else
                {
                    %>
                    <a onclick="gotoPage(<%=currentPage + 1%>,<%=pageSize%>,'<%=url%>')"  class="n">Next Page</a>
                    <%
                }
            %> 
             <%
                if(currentPage == totalPage)
                {
                    %>
                    <a onclick="return false')" class="disabled" >Last Page</a>
                    <%
                }
                else
                {
                    %>
                    <a onclick="gotoPage(<%=totalPage%>,<%=pageSize%>,'<%=url%>')"  class="n">Last Page</a>
                    <%
                }
            %>
             
            <select onchange="gotoPage(1,this.value,'<%=url%>')">
                <%
                    for (Integer i : pageSizeArray)
                    {
                %>
                <option <%=pageSize == i ? "selected" : ""%> value=<%=i%>><%=i%></option>
                <%
                    }
                %>
            </select> records each page &nbsp; go to: <select
                onchange="gotoPage(this.value,<%=pageSize%>,'<%=url%>')">
                <%
                    for (int i = 1; i <= totalPage; i++)
                    {
                %>
                <option value="<%=i%>" <%=currentPage == i ? "selected" : ""%>><%=i%></option>
                <%
                    }
                %>
            </select>
        </p>
    
        <br />
    
    
    
    </body>
    </html>

    对应的CSS

    #page {
        FONT: 14px simsun;
        WHITE-SPACE: nowrap
    }
    
    #page A {
        TEXT-ALIGN: center;
        LINE-HEIGHT: 22px;
        DISPLAY: inline-block;
        BACKGROUND: white;
        HEIGHT: 54px;
        VERTICAL-ALIGN: text-bottom;
        OVERFLOW: hidden;
        MARGIN-RIGHT: 5px;
        TEXT-DECORATION: none
    }
    
    #page STRONG {
        TEXT-ALIGN: center;
        LINE-HEIGHT: 22px;
        DISPLAY: inline-block;
        BACKGROUND: white;
        HEIGHT: 54px;
        VERTICAL-ALIGN: text-bottom;
        OVERFLOW: hidden;
        MARGIN-RIGHT: 5px;
        TEXT-DECORATION: none
    }
    
    #page A {
        CURSOR: pointer
    }
    
    #page A:hover {
        BACKGROUND: 0px 50%
    }
    
    #page .n:hover {
        BACKGROUND: #ebebeb
    }
    
    #page A:hover .pc {
        BACKGROUND: #ebebeb
    }
    
    #page .n {
        BORDER-BOTTOM: #e7ecf0 1px solid;
        BORDER-LEFT: #e7ecf0 1px solid;
        PADDING-BOTTOM: 0px;
        PADDING-LEFT: 6px;
        PADDING-RIGHT: 6px;
        HEIGHT: 22px;
        BORDER-TOP: #e7ecf0 1px solid;
        BORDER-RIGHT: #e7ecf0 1px solid;
        PADDING-TOP: 0px
    }
    
    #page SPAN {
        DISPLAY: block
    }
    
    #page .pc {
        BORDER-BOTTOM: #e7ecf0 1px solid;
        BORDER-LEFT: #e7ecf0 1px solid;
        WIDTH: 22px;
        HEIGHT: 22px;
        BORDER-TOP: #e7ecf0 1px solid;
        CURSOR: pointer;
        BORDER-RIGHT: #e7ecf0 1px solid
    }
    
    #page .fk {
        WIDTH: 24px;
        BACKGROUND:
            url(http://s1.bdstatic.com/r/www/cache/global/img/bg-1.0.4.png)
            no-repeat -35px -309px;
        HEIGHT: 30px;
        CURSOR: pointer
    }
    
    #page STRONG .fk {
        CURSOR: auto
    }
    
    #page STRONG .pc {
        CURSOR: auto
    }
    
    #page .fkd {
        BACKGROUND-POSITION: -35px -303px
    }
    
    #page .fk_cur {
        BACKGROUND-POSITION: 2px -312px
    }
    
    #page STRONG .pc {
        LINE-HEIGHT: 24px;
        BORDER-RIGHT-WIDTH: 0px;
        WIDTH: 24px;
        BORDER-TOP-WIDTH: 0px;
        BORDER-BOTTOM-WIDTH: 0px;
        HEIGHT: 24px;
        BORDER-LEFT-WIDTH: 0px
    }
    
    #page .nums {
        DISPLAY: inline-block;
        VERTICAL-ALIGN: text-bottom
    } 
    
    #page .disabled {
        BORDER-BOTTOM: #e7ecf0 1px solid;
        BORDER-LEFT: #e7ecf0 1px solid;
        PADDING-BOTTOM: 0px;
        PADDING-LEFT: 6px;
        PADDING-RIGHT: 6px;
        HEIGHT: 22px;
        BORDER-TOP: #e7ecf0 1px solid;
        BORDER-RIGHT: #e7ecf0 1px solid;
        PADDING-TOP: 0px;
        BACKGROUND: #ebebeb
    }
    
    #page .disabled:hover {
        BACKGROUND: #ebebeb
    }

    对应的JS

    function gotoPage(currentPage,pageSize,url)
    {  
        var columnName = ""; 
        var keyword = "";
        try
        {
            columnName = document.getElementById('clumunName').value;
            keyword = document.getElementById('kw').value;
        }
        catch(exception)
        {
            columnName = "";
            keyword = "" ;
        }
        
        window.location = url+"?cp="+currentPage+"&ps="+pageSize+"&col="+columnName+"&kw="+keyword;
    }
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  • 原文地址:https://www.cnblogs.com/kuillldan/p/6008524.html
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