如何使用js的闭包原理做对象封装及调用方法

这篇文章主要为大家展示了“如何使用js的闭包原理做对象封装及调用方法”,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下“如何使用js的闭包原理做对象封装及调用方法”这篇文章吧。

创建一个js文件,名为testClosure.js:

(function () {
  function a()
  {
    alert('i am a');
  }
  outFunc = function () {
    a();
  }
})();

这里不论写多少个function,a b c d ...外面都调用不到,包括这里面var定义的变量也都调用不到,那么你在里面尽情的写,就不用担心这些函数名变量名跟外界冲突;

只需要暴露一个outFunc这个函数供外界调用。这个函数呢没有用var定义,就变成一个全局变量,外界就可以调用的到,利用这一点,让这个函数变成匿名函数和外界沟通的桥梁。

再利用js面向对象的方法,就可以封装出非常好用的组件。

示例一:不需要继承的js组件

(function()
{
  var arrAuthItem = new Array();
  var isInited = false;
  var syncTableObj=findObj("sync-table-id",document);

  var newTR=null;
 var checkBox=null;
 var authTable = null;
 var selfPicUrl=null;
 var selfItem=null;

 var isAuthItemEnabled=false;
  var isSelfItemEnabled=false;

  function getAuthShopCurrent()
  {
   return $("#"+globalSyncVars.serverComClientId.AuthShopListId).val();
  }

  function getSyncFieldCurrent()
  {
   return $("#"+globalSyncVars.serverComClientId.SyncFieldListId).val();
  }
  
  function setTitle()
  {
   $("#sync-table-title-id").html("从“"+getAuthShopCurrent()+"”同步");
  }

  function getNumIidFrom(numIidTo)
  {
     var curRowData = jQuery("#listItemDefine").jqGrid('getRowData', numIidTo);
     return curRowData.NumIidFrom;
  }

  function insertRows()
  {
   deleteAll();

   for(var i=0;i<arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""].length;i++)
   {
   newTR=syncTableObj.insertRow(syncTableObj.rows.length);
   // 0 checkbox
   checkBox=newTR.insertCell(0);
   // 1 auth table
   authTable=newTR.insertCell(1);
   // 2 self picurl
   selfPicUrl=newTR.insertCell(2);
   // 3 self item
   selfItem=newTR.insertCell(3);

   isSelfItemEnabled=setterSelfItem(i);
   isAuthItemEnabled=setterAuthItem(i);
   
   if(isAuthItemEnabled&&isSelfItemEnabled)
    setterEnableStatus(true,i);
   else
    setterEnableStatus(false,i);
   }
  }

  function setterAuthItem(i)
  {
   var isEnabled=false;

   if (!stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["HasSameItem"])) 
 {
  authTable.innerHTML='<table class="inner-table-class inner-table-from-class"><tr><td class="inner-table-td-radio-class"></td><td class="inner-table-td-class main-img-class"></td><td class="inner-table-td-class" >此宝贝没有对应的授权宝贝</td><td class="inner-table-td-class sync-img-class"><span class="icon-no-class"/></td></tr></table>';
  return isEnabled;
 }

 var arr = arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["ListItemFrom"];
 var strHead = '<table class="inner-table-class inner-table-from-class">';
 var strTr = "";
 var isBinded = false;


 // 如果已经绑定了,标记一下,是否已经授权过也标记
    var numIid = getNumIidFrom(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["NumIidTo"]);
    if(numIid!="none")
    {
      for(var j=0;j<arr.length;j++)
      {
        if(arr[j]["NumIid"]==numIid)
        {
          isBinded=true;
          break;
        }
      }
    }
 

 for(var p=0;p<arr.length;p++)
 {
  var isSharedFrom = stringToBoolean(arr[p]["IsFromItemHasShareFrom"]);
  var isSharedTo = stringToBoolean(arr[p]["IsFromItemHasShareTo"]);
  var picUrl='<a href="http://item.taobao.com/item.htm?id=' + arr[p][" rel="external nofollow" NumIid"] + '" target="_blank"><img class="icon"  src="' + arr[p]["PicUrl"] + '_sum.jpg" title="' + arr[p]["Title"] + '" /></a>';
  if(getEnabledStatus(isBinded,!isSharedTo,isSelfItemEnabled))
  isEnabled = true;
  strTr+='<tr><td class="inner-table-td-radio-class">'+getRadioCode(isBinded,!isSharedTo,isSelfItemEnabled,i,arr.length)+'</td><td class="inner-table-td-class main-img-class">'+picUrl+'</td><td class="inner-table-td-class">'+getAuthItemCode(arr[p],isSharedFrom,isSharedTo,i)+'</td><td class="inner-table-td-class sync-img-class">'+getEnabledCode(isBinded,!isSharedTo,isSelfItemEnabled,arr[p],numIid)+'</td></tr>';
 }
 authTable.innerHTML = strHead+strTr+'</table>';
 return isEnabled;
  }
  // 返回auth宝贝详情html代码
  function getAuthItemCode(obj,isSharedFrom,isSharedTo,i)
  {
   var labelStr = "";
   if(isSharedFrom) labelStr = '<span >【源】</span>';
   if(isSharedTo) labelStr = '<span >【受】</span>';
   return '<span  columnName="NumIid">'+labelStr+'ID:' + obj["NumIid"] + '</span>'
       + '<span  columnName="OuterId">商家编码:' + obj["OuterId"] + '</span>'
       + '<span Price"],i)+'" columnName="Price">价格:' + obj["Price"] + '</span>'
       + '<br><span  columnName="Title">' + obj["Title"] + '</span>';
  }
  // 返回self宝贝详情html代码
  function getSelfItemCode(obj)
  {
   var labelStr = "";
   if(stringToBoolean(obj["IsToItemHasShareFrom"])) labelStr = '<span >【源】</span>';
   if(stringToBoolean(obj["IsToItemHasShareTo"])) labelStr = '<span >【受】</span>';
   return '<span class="sync-table-td-class"><span  columnName="NumIid">'+labelStr+'ID:' + obj["NumIidTo"] + '</span>'
       + '<span  columnName="OuterId">商家编码:' + obj["OuterIdTo"] + '</span>'
       + '<span  columnName="Price">价格:' + obj["PriceTo"] + '</span></span>'
       + '<br><span class="sync-table-td-class"  columnName="Title">' + obj["TitleTo"] + '</span>';
  }
  // 返回绑定关系图标的html代码
  function getEnabledCode(isBinded,isAuthEnabled,isSelfEnabled,obj,numIid)
  {
   if(isBinded)
   {
      // 如果是绑定状态,还要看当前item是否为绑定的item
      // 在这种情况下,判断是否可绑定,不需要用到selfItem
      if(obj["NumIid"]==numIid)
        return '<span class="icon-bind-class"/>';
      else
      {
        if(stringToBoolean(obj["IsFromItemHasShareTo"]))
          return '<span class="icon-no-class"/>';
        else
          return '<span class="icon-ok-class"/>';
      }
   }else
   {
   if(isAuthEnabled&&isSelfEnabled)
    return '<span class="icon-ok-class"/>';
   else
    return '<span class="icon-no-class"/>';
   }
  }
  // 是否可以绑定
  function getEnabledStatus(isBinded,isAuthEnabled,isSelfEnabled)
  {
   if(isBinded) return false;
   if(isAuthEnabled&&isSelfEnabled)
    {
   return true;
    }
   else
    {
   return false;
    }
  }
  // 返回radio的html代码
  /**
  *  isBinded 是否已经绑定
  *  isAuthEnabled auth是否可同步
  *  isSelfEnabled self是否可同步
  *  当前rows的index
  *  当前auth-list的长度(如果是一对一,当然不需要radio)
  */
  function getRadioCode(isBinded,isAuthEnabled,isSelfEnabled,i,length)
  {
   if(isBinded) return "";
    if(length==1) return "";
   if(isAuthEnabled==false||isSelfEnabled==false) return "";
 return '<input type="radio" name="radio'+i+'">';
  }


  function setterSelfItem(i)
  {
   var isEnabled=true;
   var picUrl='<a href="http://item.taobao.com/item.htm?id=' + arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+" rel="external nofollow" "][i]["NumIidTo"] + '" target="_blank"><img class="icon"  src="' + arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["PicUrlTo"] + '_sum.jpg" title="' + arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["TitleTo"] + '" /></a>';
   
   selfPicUrl.innerHTML = picUrl;
   selfItem.innerHTML = getSelfItemCode(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]);

   if(stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["IsToItemHasShareFrom"])) isEnabled = false;
   if(stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["IsToItemHasShareTo"])) isEnabled = false;
   return isEnabled;
  }

  function getPriceColor(price,i)
  {
   if(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["PriceTo"]==undefined) return "black";
   if(price==undefined) return "black";
   return (price==arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["PriceTo"])?"black":"red";
  }

  function setterEnableStatus(isEnabled,i)
  {
   if(isEnabled)
   checkBox.innerHTML='<input class="enableCheckbox" type="checkbox" checked="checked" index="'+i+'"/>';
   else
   checkBox.innerHTML='<input type="checkbox" disabled="true"/>';
  }

  function stringToBoolean(str)
  {
   if (str==undefined) return false;
   switch(str.toLowerCase())
   {
   case "true": case "yes": case "1": return true;
   case "false": case "no": case "0": case null: return false;
   default: return Boolean(str);
   }
  }

  function deleteAll()
  {
   for(var i=syncTableObj.rows.length-1;i>2;i--)
   {
   syncTableObj.deleteRow(i);
   }
  }

  function selectAll(isSelect)
  {
   if(isSelect)
   {
   $(".enableCheckbox").prop("checked",true);
   }else
   {
   $(".enableCheckbox").prop("checked",false);
   }
  }

  function findObj(theObj, theDoc) 
 { 
 var p, i, foundObj; 
 if(!theDoc) theDoc = document; 
 if((p = theObj.indexOf("?")) > 0 && parent.frames.length) 
 { 
  theDoc = parent.frames[theObj.substring(p+1)].document; 
  theObj = theObj.substring(0,p); 
 } 
 if(!(foundObj = theDoc[theObj]) && theDoc.all) 
 foundObj = theDoc.all[theObj]; 
 for (i=0; !foundObj && i < theDoc.forms.length; i++) 
  foundObj = theDoc.forms[i][theObj]; 
 for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
  foundObj = findObj(theObj,theDoc.layers[i].document); 
 if(!foundObj && document.getElementById) 
  foundObj = document.getElementById(theObj); 
 return foundObj; 
 } 

 function refrash()
 {
 deleteAll();

 if(!isInited)
  return; 

 setTitle();

 //现在js还没有数据的,去取值
 if(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""]==null)
 {
  var urledit="./x.aspx?method=GetAuthItem&rmd="+Math.random();
  $.post(urledit,$("#"+globalSyncVars.serverComClientId.form1).serialize())
  .done(function(myJsonResult) {
       var data = $.evalJSON(myJsonResult);
       ajaxResponseResult(data);
       if (data.IsSuccess) {
         arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""]=data.rows;
         insertRows();
         $("#sync-table-id").css("display","inline-table");
       }
     })
     .fail(function(data) {
       ajaxResponseResult(data);
     })
     .always(function(myJsonResult) {
     });
 }else
 {
  insertRows();
 }
 }

 function checkIsEnabledBind(i)
 {
 if(stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["IsFromItemHasShareTo"])) return false;
 if(stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["IsToItemHasShareFrom"])) return false;
 if(stringToBoolean(arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][i]["IsToItemHasShareTo"])) return false;
 return true;
 }

 function setSyncValueToCom()
 {
 var numIidsSelf="";
 var numIidsAuth="";
 var isBind="";
    var isRadioUnChecked = false;

 $(".enableCheckbox:checked").each(function()
 {
  if(checkIsEnabledBind($(this).attr("index")))
  {
        var checkBoxIndex = $(this).attr("index");
        var radioIndex = 0;
        isRadioUnChecked = false;
        // 通过[0]判断radio是否存在
  if($('input:radio[name=radio'+checkBoxIndex+']')[0])
        {
          var isCheckedLabel = false;
          // 检查每个radio选项是否被选择
          $('input:radio[name=radio'+checkBoxIndex+']').each(function()
          {
            if($('input:radio[name=radio'+checkBoxIndex+']')[radioIndex].checked)
            {
              isCheckedLabel = true;
              // 这里是跳出each循环(里层)
              return false;
            }
            radioIndex++;
          });
          if(!isCheckedLabel)
            isRadioUnChecked = true;
          // 如果存在checkbox有选择,但是radio没选择,应该提醒
          // 然后就退出了,没有后续的提交
          if(isRadioUnChecked)
          {
            checkBoxIndex++;
            alert("第"+checkBoxIndex+"个宝贝有多个对应的授权宝贝,应该仔细查看并选择合适的宝贝同步!");
            // 这里跳出循环(外层)
            return false;
          }
        }

        var arrAuth = arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][checkBoxIndex]["ListItemFrom"]

        if(numIidsSelf=="")
  {
   numIidsSelf+=arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][checkBoxIndex]["NumIidTo"];
  }else
  {
   numIidsSelf+=","+arrAuthItem[getAuthShopCurrent()+getSyncFieldCurrent()+""][checkBoxIndex]["NumIidTo"];
  }

  if(numIidsAuth=="")
  {
   numIidsAuth+=arrAuth[radioIndex]["NumIid"];
  }else
  {
   numIidsAuth+=","+arrAuth[radioIndex]["NumIid"];
  }
  }
 });

 isBind=$("#isBind:checked").val()=="on"?"true":"false";

 $("#"+globalSyncVars.serverComClientId.HfNumIidsSelf).val(numIidsSelf);
 $("#"+globalSyncVars.serverComClientId.HfNumIidsAuth).val(numIidsAuth);
 $("#"+globalSyncVars.serverComClientId.HfIsBind).val(isBind);

    if(isRadioUnChecked) return -1;
    if(numIidsSelf=="") return 0;
    else return 1;
 }

 initTable=function()
 {
 refrash();
 isInited=true;
 }

 onSelectAllCheckbox=function()
 {
 if($("#selectAllCheckbox:checked").val()=="on")
 {
  selectAll(true);
 }else
 {
  selectAll(false);
 }
 }
 onPreview=function()
 {
 refrash();
 }

 onAldsItemSync=function(sender,jqgridObjRefresh)
 {
    var callbackCode = setSyncValueToCom();
 if(callbackCode == 0)
 {
  alert("没有可以同步设置的宝贝!");
  return;
 }else if(callbackCode == -1)
    {
      // 当存在没有选择的radio时
      return;
    }
 var urledit="./x.aspx?method=SaveSyncItem&rmd="+Math.random();
 $.post(urledit,$("#"+globalSyncVars.serverComClientId.form1).serialize())
 .done(function(myJsonResult) {
      var data = $.evalJSON(myJsonResult);
      ajaxResponseResult(data);

      if (data.IsSuccess) 
      {
        showPrompt(data.PromptMsg);

        if(sender)
        {
         $(sender).dialog("close");
         $(sender).dialog("destroy");
        }
        if(jqgridObjRefresh)
        {
         $(jqgridObjRefresh).trigger("reloadGrid");
        }
      }
    })
    .fail(function(data) {
      ajaxResponseResult(data);
    })
    .always(function(myJsonResult) {
    });
 }
})();

示例二:有继承关系的js组件

(function(){
 //____________________________批量修改的基类_________________________________
 function BatchModify(){}
 //选择了什么id
 BatchModify.prototype.numIids=null;
 BatchModify.prototype.addis=null;
 BatchModify.prototype.oneIid=null;
 BatchModify.prototype.skuIds=null;
 BatchModify.prototype.selectedItemData=null;
 BatchModify.prototype.maxHeightVal=$(window).height()*0.9;

 // 完全克隆一个数组
 BatchModify.prototype.cloneArr=function(arr)
 {
 var arrNew = [];
 for(var i=0;i<arr.length;i++)
 {
  arrNew.push(arr[i]);
 }
 return arrNew;
 }
 
 // 通过jqGrid('getGridParam','selarrrow');取值是不可靠的,经常会变动
 // 在设置jqGrid('setSelection',bindedArr[i]);之后取出来的值经常会变化,要么长度变化,要么顺序变化
 BatchModify.prototype.cancelBindedItem=function()
 {
 var tempNumIids=jQuery("#listItemDefine").jqGrid('getGridParam','selarrrow');
 var tempNumIidsClone = this.cloneArr(tempNumIids);
 var isAlert=false;
 for(var i=0;i<bindedArr.length;i++)
 {
  for(var j=0;j<tempNumIidsClone.length;j++)
  {
  if(tempNumIidsClone[j]==bindedArr[i])
  {
   isAlert=true;
   jQuery("#listItemDefine").jqGrid('setSelection',bindedArr[i]); 
   break;
  }
  }
 }
 if(isAlert) alert("已经绑定了数据来源的宝贝不能修改宝贝设置,如果需要修改请先点击宝贝最右栏的解绑按钮解绑!");
 }

 BatchModify.prototype.setNumIids=function()
 {
 this.numIids=jQuery("#listItemDefine").jqGrid('getGridParam','selarrrow');
 };
 //拼装addi的json串并赋值给addi
 BatchModify.prototype.setAddis=function()
 {
 var _addis="{rows:{";

   for(var i=0;i<this.numIids.length;i++)
   {
     _addis+='"'+this.numIids[i]+'":"';
     var tempVal=$("#addiTextId"+this.numIids[i]).val();
     var val=tempVal.replace(/\"/ig,"\'");
     _addis+=val;
     _addis+='"'

     if(i!=this.numIids.length-1)
     {
       _addis+=',';
     }
   }
   _addis+="}}";
   this.addis=_addis;
 };
 //(单个)修改页面传进来的一个id
 BatchModify.prototype.setOneIid=function()
 {
 this.oneIid=$("#"+itemEditVars.itemEditClientId.HfNumIid).val();
 };
 //sku的所有已选id(一个字符串)
 BatchModify.prototype.setSkuIds=function()
 {
 this.skuIds=jQuery("#listSkuDefine").jqGrid('getGridParam','selarrrow');
 };

 //设置numIids的值到服务器组件
 BatchModify.prototype.setNumIidsToCom=function()
 {
 $("#"+globalVars.serverComClientId.HfItemDefineIdsSelect).val(this.numIids);
 };
 //设置addis的值到服务器组件
 BatchModify.prototype.setAddisToCom=function()
 {
 $("#"+globalVars.serverComClientId.HfAddiStr).val(this.addis);
 };
 //检查是否有勾选宝贝
 BatchModify.prototype.checkIsSelected=function()
 {
   if (this.numIids == "") {
     alert("请选中要批量修改的行!");
     return false;
   }
   return true;
 };
 //批量生成描述
 BatchModify.prototype.batchGenerateDesc=function(alertResult)
 {
 this.setNumIidsToCom();
    var urledit = "x.aspx?method=BatchGenerateDesc&rdm=" + Math.random();
    if (alertResult)
      urledit += "&generateByManual=true";

    this.postData(urledit,alertResult);
 };
 //post数据
 BatchModify.prototype.postData=function(urledit,alertResult)
 {
 $.post( urledit, $("#"+globalVars.serverComClientId.formAldsItemDefine1).serialize())
    .done(function(myJsonResult) {
      var data = $.evalJSON(myJsonResult);
      ajaxResponseResult(data);

      if (data.IsSuccess) {
        if (!data.rows)
          showPrompt("宝贝描述生成修改成功!");
      }
      if(alertResult && data.ErrMsg && $.trim(data.ErrMsg) != "")
        alert("提醒:\n\n" + data.ErrMsg);
    })
    .fail(function(data) {
      ajaxResponseResult(data);
    })
    .always(function(myJsonResult) {
    });
 };

 BatchModify.prototype.removeDialog=function()
 {
 try{ $("#descTempDiv").remove(); } catch(e){}
 }
 
 function myInherits(Child,Parent) 
 { 
   function F(){} 
   F.prototype=Parent.prototype; 
   Child.prototype=new F(); 
   Child.prototype.constructor=Child; 
 } 
 
 function createobject(proto) 
 { 
   function F(){} 
   F.prototype=proto; 
   return new F(); 
 } 
 //_________________________批量修改(附言,确认收货后发消息,好评后发消息)类_________________________________
 function BatchMsgModify(title,tableId,paperId,fieldName,editUrl,containerDivStr)
 {
 BatchModify.call();
 this.title=title;
 this.tableId=tableId;
 this.paperId=paperId;
 this.fieldName=fieldName;
 this.editUrl=editUrl;
 this.containerDivStr=containerDivStr;
 }

 myInherits(BatchMsgModify,BatchModify);
 //弹窗
 BatchMsgModify.prototype.popUpDialog=function()
 {
 $(this.containerDivStr).dialog({
  title: this.title,
     closeText: '关闭',
     width: 980,
     maxHeight: $(window).height() * 0.98,
     minHeight: $(window).height() * 0.7,
     modal: true,
     show: { effect: "fade", duration: 300 },
     hide: { effect: "fade", duration: 300 },
     buttons: {
       确定: function() {
         currentInstance.confirmCallback(this);
       },
       关闭: function() {
         $(this).dialog("close");
       }
     }
 });
 };
 //创建表格
 BatchMsgModify.prototype.createTable=function()
 {
 $("#"+this.tableId).jqGrid({
     viewrecords: true, // show the current page, data rang and total records on the toolbar
     datatype: 'local',
     rowNum:100,
     rowList:[100],
     height: "auto",
     pager: "#"+this.paperId,
     colNames:['主图','宝贝','NumIid','Price','OuterId',this.title.indexOf("批量修改")>=0?this.title.substring(4):this.title],
     colModel:[
       {name:'PicUrl', index: 'PicUrl', width: 60, align: "center", sortable: false, formatter: imgFormatter, unformat:imgUnFormat},
       {name:'Title',index:'OuterId', width:430, sortable: true, formatter: itemDescFormatter, unformat:itemDescUnFormat},
       {name:'NumIid',index:'NumIid', width:100, hidden:true, key:true},
       {name:'Price',index:'Price', width:100, hidden:true},
       {name: 'OuterId', index: 'OuterId', width: 100, hidden: true },
       {name: this.fieldName, index: this.fieldName, width: 440, sortable: true, hidden: false, formatter:this.formatter}
     ]
   });
 };
 //把表格填充进数据
 BatchMsgModify.prototype.initTable=function()
 {
 var gridArrayData=[];
   for(var i=0;i<this.numIids.length;i++)
   {
     var curRowData=jQuery("#listItemDefine").jqGrid('getRowData',this.numIids[i]);

     var obj=new Object();
     obj["PicUrl"]=curRowData.PicUrl;
     obj["Title"]=curRowData.Title;
     obj["NumIid"]=curRowData.NumIid;
     obj["Price"]=curRowData.Price;
     obj["OuterId"]=curRowData.OuterId;
     obj[this.fieldName]=curRowData[this.fieldName];
     gridArrayData.push(obj);
   }
   $("#"+this.tableId).jqGrid('setGridParam',{data:gridArrayData});
   $("#"+this.tableId).trigger('reloadGrid');
 };
 //格式化字段
 BatchMsgModify.prototype.formatter=function(cellvalue,options,rowdata)
 {
 return "<TextArea id='addiTextId"+rowdata.NumIid+"' style='width:98%;' rows='4'>"+rowdata[currentInstance.fieldName]+"</TextArea>";
 };
 //重写post函数
 BatchMsgModify.prototype.postData=function(urledit,sender)
 {
 $.post( urledit, $("#"+globalVars.serverComClientId.formAldsItemDefine1).serialize())
   .done(function(myJsonResult) 
   {
     var data = $.evalJSON(myJsonResult);
     ajaxResponseResult(data);
     if (data.IsSuccess) {
       if (!data.rows)
         showPrompt(currentInstance.title+"成功"+currentInstance.numIids.length+"个!");
       $("#listItemDefine").trigger('reloadGrid');
       setTimeout(function () { $(sender).dialog("close"); }, 0);
       setTimeout(function () { $(sender).dialog("destroy"); }, 1000);
     }
     if(data.ErrMsg && $.trim(data.ErrMsg) != "")
       alert(currentInstance.title+"出错:\n\n" + data.ErrMsg);
   })
   .fail(function(data) {
     ajaxResponseResult(data);
   })
   .always(function(myJsonResult) {
   });
 };

 //确认按钮的回调函数
 BatchMsgModify.prototype.confirmCallback=function(sender)
 {
   this.setAddis();
   this.setNumIidsToCom();
   this.setAddisToCom();
   this.postData(this.editUrl+"&rdm=" + Math.random(),sender);
 };

 //实例

 var batchAddi=null;
 var batchMsgTradeSuccess=null;
 var batchMsgRatedGood=null;
 var currentInstance=null;//指向当前对象,当this指向失效的时候可以使用这个

 openBatchMsgDialogType={batchAddi:0,batchMsgTradeSuccess:1,batchMsgRatedGood:2};
 openBatchMsgDialog=function(typeCode)
 {


 if(typeCode==openBatchMsgDialogType.batchAddi)
 {
  if (batchAddi==null) 
  batchAddi=new BatchMsgModify("批量修改附言","tableEditContent","tablePaper","Additional","x.aspx?method=UpdateMsgAdditional","<div id='editBatchDiv'><table id='tableEditContent'></table><div id='tablePaper'></div></div>");
  currentInstance=batchAddi;
  batchAddi.cancelBindedItem();
  batchAddi.setNumIids();
  if(!batchAddi.checkIsSelected())
  return;
      batchAddi.popUpDialog();
      batchAddi.createTable();
      batchAddi.initTable();
 }else if (typeCode==openBatchMsgDialogType.batchMsgTradeSuccess) 
 {
  if (batchMsgTradeSuccess==null) 
  batchMsgTradeSuccess=new BatchMsgModify("批量修改确认收货后发消息","tableEditMsgTradeSuccessContent","tableMsgTradeSuccessPaper","MsgTradeSuccess","x.aspx?method=UpdateMsgTradeSuccess","<div id='editBatchDiv'><table id='tableEditMsgTradeSuccessContent'></table><div id='tableMsgTradeSuccessPaper'></div></div>");
  currentInstance=batchMsgTradeSuccess;
  batchMsgTradeSuccess.cancelBindedItem();
  batchMsgTradeSuccess.setNumIids();
  if(!batchMsgTradeSuccess.checkIsSelected())
  return;
      batchMsgTradeSuccess.popUpDialog();
      batchMsgTradeSuccess.createTable();
      batchMsgTradeSuccess.initTable();
 }else if (typeCode==openBatchMsgDialogType.batchMsgRatedGood) 
 {
  if (batchMsgRatedGood==null)
  batchMsgRatedGood=new BatchMsgModify("批量修改好评后发消息","tableEditMsgRatedGoodContent","tableMsgRatedGoodPaper","MsgRatedGood","x.aspx?method=UpdateMsgRatedGood","<div id='editBatchDiv'><table id='tableEditMsgRatedGoodContent'></table><div id='tableMsgRatedGoodPaper'></div></div>");
  currentInstance=batchMsgRatedGood;
  batchMsgRatedGood.cancelBindedItem();
  batchMsgRatedGood.setNumIids();
  if(!batchMsgRatedGood.checkIsSelected())
  return;
      batchMsgRatedGood.popUpDialog();
      batchMsgRatedGood.createTable();
      batchMsgRatedGood.initTable();
 }
 }
 //_______________________________批量修改宝贝类(弹出单独页面,只要弹窗即可)_________________________________
 function BatchItemModify(){}

 myInherits(BatchItemModify,BatchModify);
 //重写
 BatchItemModify.prototype.popUpDialog=function()
 {
 var urledit = "./x.aspx?NumIids="+this.numIids+"&rdm="+Math.random();
    $.get(urledit, {}, function (data, textStatus, object) {
      var str = "<div id='editBatchDiv'>" + object.responseText + "</div>";
      $(str).dialog({
        dialogClass: "untitle",
        closeText: '关闭',
        width: 800,
        height: 400,
        maxHeight: $(window).height() * 0.9,
        modal: true,
        show: { effect: "fade", duration: 300 },
        hide: { effect: "fade", duration: 300 },
        buttons: {
          确定: function() {
            submitAldsItemEditBatch(this, $("#listItemDefine")); //在x.aspx定义
            currentInstance.batchGenerateDesc();
          },
          关闭: function() {
            $( this ).dialog( "close" );
          }
        }
      });
    });
 }

 //实例
 var batchItem=null;
 openBatchItemDialog=function()
 {
 if (batchItem==null) 
  batchItem=new BatchItemModify();
 currentInstance=batchItem;
 batchItem.cancelBindedItem();
 batchItem.setNumIids();
 if(!batchItem.checkIsSelected())
  return;
 batchItem.popUpDialog();
 }
 //_______________________________批量生成宝贝描述__________________________________________
 function BatchDescModify(){}

 myInherits(BatchDescModify,BatchModify);

 BatchDescModify.prototype.generating=function()
 {
 if (!confirm("提醒。\n\n是否继续?"))
      return;
    this.batchGenerateDesc(true);
 };

 //实例
 var batchDesc=null;
 onBatchDesc=function()
 {
 if(batchDesc==null)
  batchDesc=new BatchDescModify();
 currentInstance=batchDesc;
 batchDesc.setNumIids();
 if(!batchDesc.checkIsSelected())
  return;
 batchDesc.generating();
 }
 //_____________________________________修改模板______________________________________________
 onDescMouldDialog=function()
 {
 var urledit = "./x.aspx?rdm="+Math.random();
    $.get(urledit,{},function(data,textStatus,object){
      var str="<div id='descTempDiv'>"+object.responseText+"</div>";
      $(str).dialog({
        title:'修改描述模板',
        closeText:'关闭',
        width:850,
        maxHeight:$(window).height() * 0.98,
        modal:true,
        show:{effect:"fade",duration:300},
        hide:{effect:"fade",duration:300},
        buttons:{
          确定:function()
          {
            onTempParaChangeHandler(this);
          },
          关闭:function()
          {
            $(this).dialog("close");
          }
        } 
      });
    
    });
 }
 //___________________________________批量修改sku_______________________________________
 function BatchSkuModify(){}

 myInherits(BatchSkuModify,BatchModify);

 BatchSkuModify.prototype.popUpDialog=function()
 {
 var urledit = "./x.aspx?NumIids="+this.oneIid+"&SkuIds="+this.skuIds+"&IsSkuEditBatch=true&rdm="+Math.random();
    $.get(urledit, {}, function (data, textStatus, object) {
      var str = "<div id='descTempDiv'>" + object.responseText + "</div>";
      $(str).dialog({
        dialogClass: "untitle",
        closeText: '关闭',
        width: 800,
        height: 400,
        maxHeight: $(window).height() * 0.9,
        modal: true,
        show: { effect: "fade", duration: 300 },
        hide: { effect: "fade", duration: 300 },
        buttons: {
          确定: function() {
            submitAldsItemEditBatch(this, $("#listSkuDefine")); //在x.aspx定义
          },
          关闭: function() {
            $( this ).dialog( "close" );
          }
        }
      });
    });
 };

 BatchSkuModify.prototype.checkIsSelected=function()
 {
   if (this.skuIds == "") {
     alert("请选中要批量修改的SKU!");
     return false;
   }
   return true;
 };
 //实例
 var batchSku=null;

 openBatchSkuDialog=function()
 {
 if(batchSku==null)
  batchSku=new BatchSkuModify();
 currentInstance=batchSku;
 batchSku.setOneIid();
 batchSku.setSkuIds();
 batchSku.removeDialog();
 if(!batchSku.checkIsSelected())
  return;
 batchSku.popUpDialog();
 }
 //_______________________________批量修改SKU附言__________________________________________________

 function BatchSkuMsgModify(title,tableId,paperId,fieldName,editUrl,containerDivStr)
 {
 BatchModify.call();
 this.title=title;
 this.tableId=tableId;
 this.paperId=paperId;
 this.fieldName=fieldName;
 this.editUrl=editUrl;
 this.containerDivStr=containerDivStr;
 }
 myInherits(BatchSkuMsgModify,BatchModify);

 BatchSkuMsgModify.prototype.popUpDialog=function()
 {
 $(this.containerDivStr).dialog({
  title: this.title,
     closeText: '关闭',
     width: 980,
     maxHeight: this.maxHeightVal,
     // height: this.maxHeightVal>750 ? 750 : this.maxHeightVal,
     modal: true,
     show: { effect: "fade", duration: 300 },
     hide: { effect: "fade", duration: 300 },
     buttons: {
       确定: function() {
         currentInstance.confirmCallback(this);
       },
       关闭: function() {
         $(this).dialog("close");
       }
     }
 });
 };
 //重写-创建表格
 BatchSkuMsgModify.prototype.createTable=function()
 {
 $("#"+this.tableId).jqGrid({
     viewrecords: true, // show the current page, data rang and total records on the toolbar
     datatype: 'local',
     rowNum:100,
     rowList:[100],
     height: "auto",
     pager: "#"+this.paperId,
     colNames:['SkuId','属性名',this.title.indexOf("批量修改")>=0?this.title.substring(4):this.title],
     colModel:[
     {name:'SkuId',index:'SkuId', width:400, hidden:true, key:true},
     {name:'PropertiesName',index:'PropertiesName', width:400,sortable:false, editable: false, hiden:false},
     {name: this.fieldName, index: this.fieldName, width: 440, sortable: true, hidden: false, formatter:this.formatter}
     ]
   });
 };
 //把表格填充进数据
 BatchSkuMsgModify.prototype.initTable=function()
 {
 var gridArrayData=[];
   for(var i=0;i<this.skuIds.length;i++)
   {
     var curRowData=jQuery("#listSkuDefine").jqGrid('getRowData',this.skuIds[i]);

     var obj=new Object();
     obj["SkuId"]=curRowData.SkuId;
     obj["PropertiesName"]=curRowData.PropertiesName;
     obj[this.fieldName]=curRowData[this.fieldName];
     gridArrayData.push(obj);
   }

   $("#"+this.tableId).jqGrid('setGridParam',{data:gridArrayData});
   $("#"+this.tableId).trigger('reloadGrid');
 };
 //重写-格式化字段
 BatchSkuMsgModify.prototype.formatter=function(cellvalue,options,rowdata)
 {
 return "<TextArea id='addiTextId"+rowdata.SkuId+"' style='width:98%;' rows='4'>"+rowdata[currentInstance.fieldName]+"</TextArea>";
 };
 //重写post函数
 BatchSkuMsgModify.prototype.postData=function(urledit,sender)
 {
 $.post( urledit, $("#"+itemEditVars.itemEditClientId.formAldsItemEdit1).serialize())
   .done(function(myJsonResult) 
   {
     var data = $.evalJSON(myJsonResult);
     ajaxResponseResult(data);
     if (data.IsSuccess) {
       if (!data.rows)
         showPrompt(currentInstance.title+"成功"+currentInstance.skuIds.length+"个!");
       $("#listSkuDefine").trigger('reloadGrid');
       setTimeout(function () { $(sender).dialog("close"); }, 0);
       setTimeout(function () { $(sender).dialog("destroy"); }, 1000);
     }
     if(data.ErrMsg && $.trim(data.ErrMsg) != "")
       alert(currentInstance.title+"出错:\n\n" + data.ErrMsg);
   })
   .fail(function(data) {
     ajaxResponseResult(data);
   })
   .always(function(myJsonResult) {
   });
 };
 //重写-拼装json
 BatchSkuMsgModify.prototype.setAddis=function()
 {
 var _addis="{rows:{";

   for(var i=0;i<this.skuIds.length;i++)
   {
     _addis+='"'+this.skuIds[i]+'":"';
     var tempVal=$("#addiTextId"+this.skuIds[i]).val();
     var val=tempVal.replace(/\"/ig,"\'");
     _addis+=val;
     _addis+='"'

     if(i!=this.skuIds.length-1)
     {
       _addis+=',';
     }
   }
   _addis+="}}";
   this.addis=_addis;
 };
 //重写-设置numIids到组件
 BatchSkuMsgModify.prototype.setNumIidsToCom=function()
 {
 $("#"+itemEditVars.itemEditClientId.HfNumIid).val(this.oneIid);
 };

 //新增-设置skuids到组件
 BatchSkuMsgModify.prototype.setSkuIdsToCom=function()
 {
 $("#"+itemEditVars.itemEditClientId.HfSkuIds).val(this.skuIds);
 };
 //重写
 BatchSkuMsgModify.prototype.setAddisToCom=function()
 {
 $("#"+itemEditVars.itemEditClientId.HfSkuAddiStr).val(this.addis);
 };

 //确认按钮的回调函数
 BatchSkuMsgModify.prototype.confirmCallback=function(sender)
 {
   this.setAddis();
   this.setNumIidsToCom();
   this.setSkuIdsToCom();
   this.setAddisToCom();
   currentInstance.postData(this.editUrl+"&rdm=" + Math.random(),sender);
 };
 //
 BatchSkuMsgModify.prototype.checkIsSelected=function()
 {
   if (this.skuIds == "") {
     alert("请选中要批量修改附言的SKU!");
     return false;
   }
   return true;
 };
 
 //实例
 var batchSkuAddi=null;
 openBatchSkuMsgDialogType={batchSkuAddi:0};
 openBatchSkuMsgDialog=function(typeCode)
 {
 if (typeCode==openBatchSkuMsgDialogType.batchSkuAddi) 
 {
  if (batchSkuAddi==null) 
  batchSkuAddi=new BatchSkuMsgModify("批量修改SKU附言","tableEditContent","tablePaper","Additional","x.aspx?method=UpdateMsgAdditional","<div id='descTempDiv'><table id='tableEditContent'></table><div id='tablePaper'></div></div>");
  currentInstance=batchSkuAddi;
  batchSkuAddi.removeDialog();
  batchSkuAddi.setOneIid();
  batchSkuAddi.setSkuIds();
  if(!batchSkuAddi.checkIsSelected())
  return;
      batchSkuAddi.popUpDialog();
      batchSkuAddi.createTable();
      batchSkuAddi.initTable();
 }
 }
 //_______________________________生成描述_________________________________________________
 var descBatchModify=null;

 batchGenerateDesc=function(descNumIds,alertResult)
 {
 if(descBatchModify==null)
  descBatchModify=new BatchModify();
 descBatchModify.numIids=descNumIds;
 descBatchModify.setNumIidsToCom();
 descBatchModify.batchGenerateDesc(alertResult);
 }


 //_______________________________同步类(弹出单独页面,只要弹窗即可)_________________________________
 function SyncModify(){}

 myInherits(SyncModify,BatchModify);
 //重写
 SyncModify.prototype.popUpDialog=function()
 {
 var urledit="./x.aspx?rdm="+Math.random();

 $.post(urledit,{numIids:this.numIids.toString()},function(data,textStatus,object){
  var str = "<div id='descTempDiv'>" + object.responseText + "</div>";
      $(str).dialog({
       title:"同步设置",
        closeText: '关闭',
        width: 1150,
        height: 800,
        maxHeight: $(window).height() * 0.9,
        modal: true,
        show: { effect: "fade", duration: 300 },
        hide: { effect: "fade", duration: 300 },
        buttons: {
          同步: function() {
            onAldsItemSync(this, $("#listItemDefine")); //在x.aspx定义
          },
          取消: function() {
            $( this ).dialog( "close" );
          }
        }
      });
 });
 }

 var syncModify=null;
 openSyncDialog=function()
 {
 if(syncModify==null)
  syncModify=new SyncModify();
 currentInstance=syncModify;
 syncModify.setNumIids();
 if(!syncModify.checkIsSelected())
  return;
 syncModify.removeDialog();
 syncModify.popUpDialog();
 }
 //____________________________同步SKU设置(弹出单独页面,只需弹窗)___________________________________
 function SyncSkuModify(){}
 myInherits(SyncSkuModify,BatchModify);

 SyncSkuModify.prototype.popUpDialog=function()
 {
 var urledit="./x.aspx?rdm="+Math.random();

 $.post(urledit,{numIid:currentInstance.oneIid.toString(),skuIds:currentInstance.skuIds.toString()},function(data,textStatus,object){
  var str = "<div id='descTempDiv'>" + object.responseText + "</div>";
      $(str).dialog({
       title:"同步SKU设置",
        closeText: '关闭',
        width: 1150,
        height: 800,
        maxHeight: $(window).height() * 0.9,
        modal: true,
        show: { effect: "fade", duration: 300 },
        hide: { effect: "fade", duration: 300 },
        buttons: {
          同步: function() {
            onAldsSkuSync(this, $("#listSkuDefine")); //在x.aspx定义
          },
          取消: function() {
            $( this ).dialog( "close" );
          }
        }
      });
 });
 }

 SyncSkuModify.prototype.checkIsSelected=function()
 {
   if (this.skuIds == "") {
     alert("请选中要同步设置的SKU!");
     return false;
   }
   return true;
 };

 var syncSkuModify=null;
 openSkuSyncDialog=function()
 {
 if($("#"+itemEditVars.itemEditClientId.HfNumIidFrom).val()=="none")
 {
  alert("没有找到已经绑定的宝贝!要同步SKU设置,需要先绑定对应的宝贝,才能同步宝贝下面的SKU!");
  return;
 }
 if(syncSkuModify==null)
  syncSkuModify=new SyncSkuModify();
 currentInstance=syncSkuModify;
 syncSkuModify.setOneIid();
 syncSkuModify.setSkuIds();
 if (!syncSkuModify.checkIsSelected())
  return;
 syncSkuModify.removeDialog();
 syncSkuModify.popUpDialog();
 }
 //__________________________item批量(及单独)解除绑定_________________________________
 function BatchDisBindingItem(){}
 myInherits(BatchDisBindingItem,BatchModify);

 // 对非绑定item取消勾选,是为了下一步批量解除绑定
 BatchDisBindingItem.prototype.cancelFreeItem=function()
 {
 var isAlert = false;
 var isBinded = false;
 var tempNumIids = jQuery("#listItemDefine").jqGrid('getGridParam', 'selarrrow');
 var tempNumIidsClone = this.cloneArr(tempNumIids);
 for (var i = 0; i < tempNumIidsClone.length; i++) {
   var numIidTmp = tempNumIidsClone[i];
   var curRowData = jQuery("#listItemDefine").jqGrid('getRowData', numIidTmp);
   if (curRowData.NumIidFrom == "none") {
     isAlert = true;
     jQuery("#listItemDefine").jqGrid('setSelection', numIidTmp);
   }
 }
 if (isAlert)
 {
   alert("未绑定的宝贝不能作解绑的动作!");
   // return true 表示已经alert了
   return true;
 }
 return false;
 }
 BatchDisBindingItem.prototype.popUpDialog=function()
 {
 var showStr='<div id="descTempDiv"><span >注意:您正在批量解除绑定,如果您解除了绑定,今后数据源宝贝设置有更新您的宝贝设置将不会同步更新!</span></div>';

    $(showStr).dialog({
      title: "解除绑定",
      closeText: '关闭',
      width: 600,
      height:300,
      maxHeight: $(window).height() * 0.98,
      minHeight: $(window).height() * 0.7,
      modal: true,
      show: { effect: "fade", duration: 300 },
      hide: { effect: "fade", duration: 300 },
      buttons: {
        解绑: function() {
          disBindingItem(currentInstance.numIids,this);
        },
        关闭: function() {
          $(this).dialog("close");
        }
      }
    });
 }

 var batchDisBindItemInstance = null;
 batchDisBindingItem=function()
 {
 var isAlerted = false;
 if(batchDisBindItemInstance==null)
  batchDisBindItemInstance=new BatchDisBindingItem();
 currentInstance=batchDisBindItemInstance;
 if(batchDisBindItemInstance.cancelFreeItem())
  isAlerted = true;
 batchDisBindItemInstance.setNumIids();

 if(isAlerted)
 {
  if(currentInstance.numIids=="") return;
 }

 if(!batchDisBindItemInstance.checkIsSelected())
  return;
 batchDisBindItemInstance.removeDialog();
 batchDisBindItemInstance.popUpDialog();
 }
 disBindingItem=function(myNumIids,sender)
  {
    var urledit = "./x.aspx?method=DisBinding&NumIids="+myNumIids+"&rdm="+Math.random();
    $.get(urledit, {}, function (dataString, status, object) {
      var data = $.evalJSON(dataString);
      ajaxResponseResult(data);
      if(data.IsSuccess==true)
      {
        $(sender).dialog("close");
        $("#listItemDefine").trigger("reloadGrid");
      }
    });
  }
  //____________________________sku批量及单独解除绑定____________________________________________
  function BatchDisBindingSku(){}
  myInherits(BatchDisBindingSku,BatchSkuModify);

  BatchDisBindingSku.prototype.cancelFreeItem=function()
  {
   var tempNumIids = jQuery("#listSkuDefine").jqGrid('getGridParam','selarrrow');
 var tempNumIidsClone = this.cloneArr(tempNumIids);
 var isAlert=false;
 var isBinded = false;
 for(var i=0;i<tempNumIidsClone.length;i++)
 {
  isBinded = false;
  for(var j=0;j<bindedSkuArr.length;j++)
  {
  if(tempNumIidsClone[i]==bindedSkuArr[j])
  {
   isBinded = true;
   break;
  }
  }
  if(!isBinded)
  {
  isAlert = true;
  jQuery("#listSkuDefine").jqGrid('setSelection',tempNumIidsClone[i]);
  }
 }

 if(isAlert)
 {
  alert("未绑定的SKU不能作解绑的动作!");
  // 返回true表示已经弹出alert了
  return true;
 } 
 return false;
  }

  BatchDisBindingSku.prototype.popUpDialog=function()
 {
 var showStr='<div id="descTempDiv"><span >注意:您正在批量解除SKU绑定,如果您解除了绑定,今后数据源宝贝设置有更新您的宝贝设置将不会同步更新!</span></div>';

    $(showStr).dialog({
      title: "解除绑定",
      closeText: '关闭',
      width: 600,
      height:300,
      maxHeight: $(window).height() * 0.98,
      minHeight: $(window).height() * 0.7,
      modal: true,
      show: { effect: "fade", duration: 300 },
      hide: { effect: "fade", duration: 300 },
      buttons: {
        解绑: function() {
          disBindingSku(currentInstance.oneIid,currentInstance.skuIds,this);
        },
        关闭: function() {
          $(this).dialog("close");
        }
      }
    });
 }

 var batchDisBindSkuInstance = null;
 // 批量
 batchDisBindingSku=function()
 {
 var isAlerted = false;
 if(batchDisBindSkuInstance==null)
  batchDisBindSkuInstance=new BatchDisBindingSku();
 currentInstance=batchDisBindSkuInstance;
 if(batchDisBindSkuInstance.cancelFreeItem())
  isAlerted = true;
 batchDisBindSkuInstance.setOneIid();
 batchDisBindSkuInstance.setSkuIds();

 // 如果已经弹过一次了,那再次判断是否没有勾选的时候,就不要再弹了
 if(isAlerted)
 {
  if(currentInstance.skuIds == "") return;
 }

 if(!batchDisBindSkuInstance.checkIsSelected())
  return;
 batchDisBindSkuInstance.removeDialog();
 batchDisBindSkuInstance.popUpDialog();
 }
  // 单独
  disBindingSku=function(numIid, skuIds, sender) {
    var urledit = "./x.aspx?method=DisBinding&NumIid=" + numIid + "&SkuIds="+skuIds+"&rdm=" + Math.random();
    $.get(urledit, {}, function (dataString, status, object) {
      var data = $.evalJSON(dataString);
      ajaxResponseResult(data);
      if (data.IsSuccess == true) {
        $(sender).dialog("close");
        $("#listSkuDefine").trigger("reloadGrid");
      }
    });
  }

})();

以上是“如何使用js的闭包原理做对象封装及调用方法”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注行业资讯频道!