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[Java教程]js写分页


jsp:< input value ="1" id ="current" type ="hidden"/>

<div id= "fenYe">
     </div >
js:
//四级下拉关系配合数据
 
$(function(){
           //进来就查询全部
          fenye(1);
          chuliYeMa();
     });
var totalPage;
      //分页方法
     function fenye(current){
               if(current == undefined){
                   current = 1;
              }
               //将点击后的页放入隐藏框里
              $( "#current" ).val(current);
               //详细原因
              var xxYuanyinSelLen = $("#xxYuanyinSel option").length;
               var xxYuanyinSelVal = $("#xxYuanyinSel option:selected").val();
               //详细部位
              var xxbuweiSelLen = $("#xxbuweiSel option").length;
               var xxbuweiSelVal = $("#xxbuweiSel option:selected").val();
               //部位
              var buweiClassSelLen = $("#buweiClassSel option").length;
               var buweiClassSelVal = $("#buweiClassSel option:selected").val();
               //项目
              var xiangMuClassSelLen = $("#xiangMuClassSel option" ).length;
               var xiangMuClassSelVal = $("#xiangMuClassSel option:selected" ).val();
               //刷新表数据
              if (xxYuanyinSelLen != 0 && xxYuanyinSelVal != "0" ){
                    //按详细原因查询
                   var className = "xxyuanyin";
               fenyeGetMsg(className,xxYuanyinSelVal,current);
                //查询时将总页数查出来
               getTotalPage(className,xxYuanyinSelVal);
              } else if(xxbuweiSelLen != 0 && xxbuweiSelVal != "0" ){
                    //按详细部位查询
                   var className = "xxbuwei";
               fenyeGetMsg(className,xxbuweiSelVal,current);
                //查询时将总页数查出来
               getTotalPage(className,xxbuweiSelVal);
              } else if(buweiClassSelLen != 0 && buweiClassSelVal != "0" ){
                    //按部位查询
                   var className = "buweiClass";
                   fenyeGetMsg(className,buweiClassSelVal,current);
                //查询时将总页数查出来
               getTotalPage(className,buweiClassSelVal);
              } else if(xiangMuClassSelLen != 0 && xiangMuClassSelVal != "0" ){
                    //按项目查询
                   var className = "xiangmuClass";
               fenyeGetMsg(className,xiangMuClassSelVal,current);
                //查询时将总页数查出来
               getTotalPage(className,xiangMuClassSelVal);
              } else if(xiangMuClassSelVal == "0"){
                    //默认查询全部,和第一级请选择是查询全部
                   var className = "xiangmuClass";
               fenyeGetMsg(className,xiangMuClassSelVal,current);
                //查询时将总页数查出来
               getTotalPage(className,xiangMuClassSelVal);
              }
               //处理页码
          chuliYeMa();
     }
      //处理页码
     function chuliYeMa(){
          
           var current = $("#current" ).val();
          
           var shang = current*1 -1;
           var xia =  current*1 + 1;
           var str = "" ;
           if(current>1){
              str += "<a href='javascript:fenye("+shang+ ");'>上一页</a>&nbsp;"
          } else{
              str += "<a>上一页</a>&nbsp;"
          }
           for(var i=1;i<=totalPage;i++){
               if(i == current){
                   str += "<a class='"+i+"'>"+i+ "</a>&nbsp;"
              } else{
                   str += "<a href='javascript:fenye("+i+ ");'>"+i+"</a>&nbsp;"
              }
          }
           if(current < totalPage){
              str += "<a href='javascript:fenye("+xia+ ");'>下一页</a><br/>"
          } else{
              str += "<a>下一页</a><br/>"
          }
          $( "#fenYe").html(str);
          }
     
      //获得总页数
     function getTotalPage(className,id){
          $.ajax({
            url : '${pageContext.request.contextPath}/SchoolController/findSmTotalPageByClass' ,
           data:{
                "className" :className,
                    "id":id
            },
            type: "post",
            success: function(data){
              totalPage = data;
            },
            error: function(){
              alert( "查询总页数失败" );
           },
            async: false
         });
     }
     
      //分页中获得数据
     function fenyeGetMsg(className,id,current){
               $.ajax({
                  url : '${pageContext.request.contextPath}/SchoolController/findMessageByClass' ,
                 data:{
                    "className" :className,
                    "id":id,
                    "current":current
                  },
                  type: "post",
                  success: function(data){
                    var str = "" ;
                    for(var i=0;i<data.length;i++){
                         str += "<a href='${pageContext.request.contextPath}/SchoolController/smYulan.from?id="+data[i].id+ "' target='_blank'>"+data[i].title+ "</a>&emsp;&emsp;&emsp;" +data[i].createtime+"<br/>"
                    }
                      $("#schoolMessageTableTbody" ).html(str);
                  },
                  error: function(){
                 },
                  async: false
               });
     }