纯JavaScript实现的分页插件实例

//总条数(必填) var Num=Number(<?php echo $count;?>) //当前页(必填) var index = Number(<?php echo $page;?>); /* //每页的条数(可选,默认每页10条) */ var pageNum=Number(10); /* //最大显示的页码的数目(可选，默认显示5个页码,页码数目必须大于等于1) */ var maxPageNum=Number(5); //以下可忽略 //计算得出总页数 var count = (Num%pageNum)>0?(Num/pageNum+1):(Num/pageNum); count=Math.floor(count);//取整转化为数据类型 //显示的最小页码, var first=1; //显示的最大页码，首先last<=count;其次last是小于等于count的最大数//last=index+maxPageNum/2; var last =1; var decrease=Math.floor(maxPageNum/2);//当前页向上增加值 var increase=Math.floor(maxPageNum/2);//当前页向下减少值 if(maxPageNum>=1){ if(maxPageNum==1){//最多显示一页时 first=index<=count?index:count; last=index<=count?index:count; }else{ //first要大于零 first=(index-decrease); while(first<=0){ first++; } //first判断显示的最后一页 if((count-index)<=decrease){ var diff=count-first; while(diff<maxPageNum-1){ if(first==1){ break; }else{ --first; diff=count-first; } } } //last要小于count last=(index+increase); while(last>=1){ if(last<=count){ break; } last--; } //last//判断显示的最后一页与maxPageNum的关系 last=last>=maxPageNum?last:(maxPageNum>count?count:maxPageNum); } }else{ alert("至少需要显示一个页码!"); } var prev = index - 1;//上一页 var next = index+ 1;//下一页 var str = "<tr>"; if(count==0){ str += "<td>共<a href='#'>0</a>页</td><td>"; }else if(index>count||index<=0){ str="<td >页码超出范围</td>"; }else if (count > 0) { str += "<td>"; if(first>1){ str += "&nbsp;&nbsp;<span >...</span>&nbsp;&nbsp;"; } var i=1; for(i=first;i<=last; i++){ if(i==index){ str += "&nbsp;&nbsp;<a href='#'>[" + i+ "]</a>&nbsp;&nbsp;"; }else{ str += "&nbsp;&nbsp;<a href='#'>" + i+ "</a>&nbsp;&nbsp;"; } } if(last<count){ str += "&nbsp;&nbsp;<span >...</span>&nbsp;&nbsp;"; } str+="</td><td>共<a href='#first' >"+ Num +"</a>条</td>"; /* if(index!=1){ str +="<td ><a href='#'>上一页</a></td>"; } if(index<count){ str +="<td><a href='#'>下一页</a></td>"; }*/ if(index!=1&&count>1){ str += "<td>&nbsp;&nbsp;<a href='#'>首页</a>&nbsp;&nbsp;</td>"; } if(index!=count&&count>1&&index<count){ str += "<td>&nbsp;&nbsp;<a href='#'>尾页</a>&nbsp;&nbsp;</td>" ; } str+="</tr>"; } //分页区域填写 $('.page').html(str); <table> <tr><td>此处分页只需要传递给我当前页码和总页数即可</td></tr> </table> //根据页码查询, function submit(pageIndex) { //var sortInfo = $.getUrlParam('sortInfo');//判断是哪一个页面的查询 var url = "<?php echo current_url();?>?page="+pageIndex+"&field=<?php echo$field;?>&value=<?php echo $field_value;?>"; window.location.href=url; }