json一次取所有数据，然后在前后进行分页显示

来源：互联网发布：mac 储存文件编辑：程序博客网时间：2024/05/16 13:48

  var mJson = null;
  var pageIndex = 1;//当前页号
  var pageCount = 0;//总页号
  var pageSize = 20;//每页显示数

  //查询后返回值处理
  function update_page(result) {
   mJson = result;
   var mSumRec = mJson.length;
    pageIndex = 1;
    pageCount = Math.floor((mSumRec -1)/pageSize) + 1;
   setPageNo();
   dealPage();
  }
    //每次操作时设置显示总页数与当前页数
    function setPageNo(){
      if (pageCount == 0){
       $("#mSum").html("0");
      }else{
       $("#mSum").html(pageCount);
      }
      $("#mCurr").html(pageIndex);
    }
    //首页
  function topPage(){
   pageIndex = 1;
   setPageNo();
   dealPage();
  }
  //上一页
  function previousPage(){
   if (pageIndex > 1){
    pageIndex = pageIndex -1;
   }else{
    pageIndex = 1;
   }
   setPageNo();
   dealPage();
  }
  //下一页
  function nextPage(){
   if (pageCount > pageIndex){
    pageIndex = pageIndex + 1;
   }else{
    pageIndex = pageCount;
   }
   setPageNo();
   dealPage();
  }
  //最后一页
  function bottomPage(){
   pageIndex = pageCount;
   setPageNo();
   dealPage();
  }
  //分组显示收放
  function show(){
   var obj2 = document.getElementById("imgs");
   if (document.getElementById("dtree").style.display == ""){
    obj2.src = "/images/right.gif";
    document.getElementById("dtree").style.display = "none";
    document.getElementById("dtreeTd").style.width = "0px";
   }else{
    obj2.src = "/images/left.gif";
    document.getElementById("dtreeTd").style.width = document.getElementById("dtree").style.width;
    document.getElementById("dtree").style.display = "";
   }
  }
  //打印
  function printInfo() {

         var oldInfo = document.body.outerHTML;
         document.body.innerHTML = document.getElementById('bak').outerHTML;
        //window.document.getElementById("bak").outerHTML;
         window.print();
         //wb.execwb(7,1);打印预览
         document.body.innerHTML = oldInfo;
  }
  //获取页面数据
  function getPageSize(){
    var xScroll, yScroll;
    if (window.innerHeight && window.scrollMaxY) {
      xScroll = document.body.scrollWidth;
      yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
      xScroll = document.body.scrollWidth;
      yScroll = document.body.scrollHeight;
    } else{ // Explorer Macwould also work in Explorer 6 Strict, Mozilla and Safari
      xScroll = document.body.offsetWidth;
      yScroll = document.body.offsetHeight;
    }
    var windowWidth, windowHeight;
    if (self.innerHeight) { // all except Explorer
      windowWidth = self.innerWidth;
      windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowWidth = document.documentElement.clientWidth;
      windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
      windowWidth = document.body.clientWidth;
      windowHeight = document.body.clientHeight;
    }
    // for small pages with total height less then height of the viewport
    if(yScroll < windowHeight){
      pageHeight = windowHeight;
    } else {
      pageHeight = yScroll;
    }
    if(xScroll < windowWidth){
      pageWidth = windowWidth;
    } else {
      pageWidth = xScroll;
    }
    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight,xScroll,yScroll)
    return arrayPageSize;
   //return pageHeight;
  }

function opera(groupId,leafNod,groupParent){
      $.ajax({
     url : "/HrbSystemT/manageDriver.do?command=QIntSort",
     type : "post",
     dataType : "json",
     data : {"groupId":groupId,"groupParent":groupParent},
     success : update_page
    });
    }
    //每次分页后处理
    function dealPage(){
   $("#table1>tr").remove();
      if (mJson != null && mJson.length > 0){
       var mMax = pageIndex*pageSize;
       if (pageIndex == pageCount){
        mMax = mJson.length;
       }
    for(var i=(pageIndex-1)*pageSize; i<mMax; i++){
     var tr = $("<tr></tr>");
     var td = $("<td></td>");
     var td1 = $("<td></td>");
     td.append(mJson[i].driverName);
     td1.append(mJson[i].intEgral);
     tr.append(td);
     tr.append(td1);
     $("#table1").append(tr);
    }
    document.getElementById("dtree").style.height = getPageSize()[5]-25+"px";
   }
    }

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