分页类

  1 <?php 
  2 /* 
  3 * PHP分页类 
  4 * @package Page 
  5 * @Created 2013-03-27 
  6 * @Modify 2013-03-27 
  7 * @link http://www.60ie.net 
  8 * Example: 
  9 $myPage=new Pager(1300,intval($CurrentPage)); 
 10 $pageStr= $myPage->GetPagerContent(); 
 11 echo $pageStr; 
 12 */ 
 13 class Pager { 
 14 private $pageSize = 10; 
 15 private $pageIndex; //页码
 16 private $totalNum; //数据总数
 17 
 18 private $totalPagesCount; //总页数
 19 
 20 private $pageUrl; //
 21 private static $_instance;
 22 
 23 public function __construct($p_totalNum, $p_pageIndex, $p_pageSize = 10,$p_initNum=3,$p_initMaxNum=5) { 
 24 if (! isset ( $p_totalNum ) || !isset($p_pageIndex)) { 
 25 die ( "pager initial error" ); 
 26 }
 27 
 28 $this->totalNum = $p_totalNum; //数据总数
 29 $this->pageIndex = $p_pageIndex; 
 30 $this->pageSize = $p_pageSize; 
 31 $this->initNum=$p_initNum; 
 32 $this->initMaxNum=$p_initMaxNum; 
 33 $this->totalPagesCount= ceil($p_totalNum / $p_pageSize); 
 34 $this->pageUrl=$this->_getPageUrl();
 35 
 36 $this->_initPagerLegal(); 
 37 }
 38 
 39 
 40 /** 
 41 * 获取去除page部分的当前URL字符串 
 42 * 
 43 * @return String URL字符串 
 44 */ 
 45 private function _getPageUrl() { 
 46 $CurrentUrl = $_SERVER["REQUEST_URI"]; //获取URI
 47 $arrUrl = parse_url($CurrentUrl); //解析URI,返回一关联数组
 48 $urlQuery = $arrUrl["query"]; //获取数组键为query的值
 49 //将URI中的“?page=页码”置换为“?page”
 50 if($urlQuery){ 
 51 //$urlQuery = preg_replace("/(^|&)page=".$this->pageIndex."/", "", $urlQuery);
 52 $urlQuery = "";
 53 $CurrentUrl = str_replace($arrUrl["query"], $urlQuery, $CurrentUrl);
 54 echo $CurrentUrl;
 55 if($urlQuery){ 
 56 $CurrentUrl.="&page"; 
 57 }else{
 58 $CurrentUrl.="page"; 
 59 }
 60 } else { 
 61 $CurrentUrl.="?page"; 
 62 }
 63 
 64 return $CurrentUrl;
 65 
 66 } 
 67 /* 
 68 *设置页面参数合法性 
 69 *@return void 
 70 */ 
 71 private function _initPagerLegal() 
 72 { 
 73 //页码不合法时,修正页码
 74 if((!is_numeric($this->pageIndex)) || $this->pageIndex<1) 
 75 { 
 76 $this->pageIndex=1; 
 77 }elseif($this->pageIndex > $this->totalPagesCount) 
 78 { 
 79 $this->pageIndex=$this->totalPagesCount; 
 80 } 
 81 } 
 82 
 83 public function GetPagerContent() { 
 84 $str = "<div class=\"Pagination\">"; 
 85 //首页 上一页 
 86 /*if($this->pageIndex==1) 
 87 { 
 88 $str .="<a href=‘javascript:void(0)‘ class=‘tips‘ title=‘首页‘>首页</a> "."\n"; 
 89 $str .="<a href=‘javascript:void(0)‘ class=‘tips‘ title=‘上一页‘>上一页</a> "."\n"."\n"; 
 90 }else 
 91 { 
 92 $str .="<a href=‘{$this->pageUrl}=1‘ class=‘tips‘ title=‘首页‘>首页</a> "."\n"; 
 93 $str .="<a href=‘{$this->pageUrl}=".($this->pageIndex-1)."‘ class=‘tips‘ title=‘上一页‘>上一页</a> "."\n"."\n"; 
 94 }
 95 */
 96 if($this->pageIndex!=1){
 97 $str .="<a href=‘{$this->pageUrl}=1‘ class=‘tips‘ title=‘首页‘>首页</a> "."\n"; 
 98 $str .="<a href=‘{$this->pageUrl}=".($this->pageIndex-1)."‘ class=‘tips‘ title=‘上一页‘>上一页</a> "."\n"."\n";
 99 }
100 /*
101 
102 除首末后 页面分页逻辑
103 
104 */ 
105 //10页（含）以下 
106 $currnt=""; 
107 if($this->totalPagesCount<=10) 
108 {
109 
110 for($i=1;$i<=$this->totalPagesCount;$i++)
111 
112 { 
113 if($i==$this->pageIndex) 
114 { $currnt=" class=‘current‘";} 
115 else 
116 { $currnt=""; } 
117 $str .="<a href=‘{$this->pageUrl}={$i} ‘ {$currnt}>$i</a>"."\n" ; 
118 } 
119 }else //10页以上 
120 { if($this->pageIndex<3) //当前页小于3 
121 { 
122 for($i=1;$i<=3;$i++) 
123 { 
124 if($i==$this->pageIndex) 
125 { $currnt=" class=‘current‘";} 
126 else 
127 { $currnt=""; } 
128 $str .="<a href=‘{$this->pageUrl}={$i} ‘ {$currnt}>$i</a>"."\n" ; 
129 }
130 
131 $str.="<span class=\"dot\">……</span>"."\n";
132 
133 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1 
134 { 
135 $str .="<a href=‘{$this->pageUrl}={$i}‘ >$i</a>"."\n" ;
136 
137 } 
138 }elseif($this->pageIndex<=5) // 5 >= 当前页 >= 3 
139 { 
140 for($i=1;$i<=($this->pageIndex+1);$i++) 
141 { 
142 if($i==$this->pageIndex) 
143 { $currnt=" class=‘current‘";} 
144 else 
145 { $currnt=""; } 
146 $str .="<a href=‘{$this->pageUrl}={$i} ‘ {$currnt}>$i</a>"."\n" ;
147 
148 } 
149 $str.="<span class=\"dot\">……</span>"."\n";
150 
151 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1 
152 { 
153 $str .="<a href=‘{$this->pageUrl}={$i}‘ >$i</a>"."\n" ;
154 
155 }
156 
157 }elseif(5<$this->pageIndex && $this->pageIndex<=$this->totalPagesCount-5 ) //当前页大于5，同时小于总页数-5
158 
159 {
160 
161 for($i=1;$i<=3;$i++) 
162 { 
163 $str .="<a href=‘{$this->pageUrl}={$i}‘ >$i</a>"."\n" ; 
164 } 
165 $str.="<span class=\"dot\">……</span>"; 
166 for($i=$this->pageIndex-1 ;$i<=$this->pageIndex+1 && $i<=$this->totalPagesCount-5+1;$i++) 
167 { 
168 if($i==$this->pageIndex) 
169 { $currnt=" class=‘current‘";} 
170 else 
171 { $currnt=""; } 
172 $str .="<a href=‘{$this->pageUrl}={$i} ‘ {$currnt}>$i</a>"."\n" ; 
173 } 
174 $str.="<span class=\"dot\">……</span>";
175 
176 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++) 
177 { 
178 $str .="<a href=‘{$this->pageUrl}={$i}‘ >$i</a>"."\n" ;
179 
180 } 
181 }else 
182 {
183 
184 for($i=1;$i<=3;$i++) 
185 { 
186 $str .="<a href=‘{$this->pageUrl}={$i}‘ >$i</a>"."\n" ; 
187 } 
188 $str.="<span class=\"dot\">……</span>"."\n";
189 
190 for($i=$this->totalPagesCount-5;$i<=$this->totalPagesCount;$i++)//功能1 
191 { 
192 if($i==$this->pageIndex) 
193 { $currnt=" class=‘current‘";} 
194 else 
195 { $currnt=""; } 
196 $str .="<a href=‘{$this->pageUrl}={$i} ‘ {$currnt}>$i</a>"."\n" ;
197 
198 } 
199 }
200 
201 }
202 
203  
204 
205 
206 /*
207 
208 除首末后 页面分页逻辑结束
209 
210 */
211 
212 //下一页 末页 
213 /*if($this->pageIndex==$this->totalPagesCount) 
214 { 
215 $str .="\n"."<a href=‘javascript:void(0)‘ class=‘tips‘ title=‘下一页‘>下一页</a>"."\n" ; 
216 $str .="<a href=‘javascript:void(0)‘ class=‘tips‘ title=‘末页‘>末页</a>"."\n"; 
217 }else 
218 { 
219 $str .="\n"."<a href=‘{$this->pageUrl}=".($this->pageIndex+1)."‘ class=‘tips‘ title=‘下一页‘>下一页</a> "."\n"; 
220 $str .="<a href=‘{$this->pageUrl}={$this->totalPagesCount}‘ class=‘tips‘ title=‘末页‘>末页</a> "."\n" ; 
221 } 
222 */
223 if($this->pageIndex!=$this->totalPagesCount){
224 $str .="\n"."<a href=‘{$this->pageUrl}=".($this->pageIndex+1)."‘ class=‘tips‘ title=‘下一页‘>下一页</a> "."\n"; 
225 $str .="<a href=‘{$this->pageUrl}={$this->totalPagesCount}‘ class=‘tips‘ title=‘末页‘>末页</a> "."\n" ;
226 }
227 $str .= "</div>"; 
228 return $str; 
229 }
230 
231  
232 
233 
234 /** 
235 * 获得实例 
236 * @return 
237 */ 
238 // static public function getInstance() { 
239 // if (is_null ( self::$_instance )) { 
240 // self::$_instance = new pager (); 
241 // } 
242 // return self::$_instance; 
243 // }
244 
245 
246 } 
247 ?>

 1 <head>    
 2 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    
 3 <title>----分页演示-----</title>    
 4 <link href="pager.css" type="text/css" rel="stylesheet" />
 5 </head>    
 6 <body>    
 7     <?php    
 8      include "pager.class.php";    
 9      $CurrentPage=isset($_GET[‘page‘])?$_GET[‘page‘]:1;      
10      $myPage=new pager(1300,intval($CurrentPage));    
11       $pageStr= $myPage->GetPagerContent();  
12      echo $pageStr;    
13     ?>    
14 </body>    
15 </html>   

 1 body,html{ padding:0px; margin:0px; color:#333333; font-family:"宋体",Arial,Lucida,Verdana,Helvetica,sans-serif; font-size:12px; line-height:150%;}    
 2 
 3 h1,h2,h3,h4,h5,h6,ul,li,dl,dt,dd,form,img,p,label{margin:0; padding:0; border:none; list-style-type:none;}    
 4 
 5 /**前台分页样式**/   
 6 
 7 .Pagination {margin:10px 0 0;padding:5px 0;text-align:rightright; height:20px; line-height:20px; font-family:Arial, Helvetica, sans-serif,"宋体";}    
 8 
 9 .Pagination a {margin-left:2px;padding:2px 7px 2px;}    
10 
11 .Pagination .dot{ border:medium none; padding:4px 8px}    
12 
13 .Pagination a:link, .Pagination a:visited {border:1px solid #dedede;color:#696969;text-decoration:none;}    
14 
15 .Pagination a:hover, .Pagination a:active, .Pagination a.current:link, .Pagination a.current:visited {border:1px solid #dedede;color:#fff; background-color:#ff6600; background-image:none; border:#ff6600 solid 1px;}    
16 
17 .Pagination .selectBar{ border:#dedede solid 1px; font-size:12px; width:95px; height:21px; line-height:21px; margin-left:10px; display:inline}    
18 
19 .Pagination a.tips{_padding:4px 7px 1px;}