











使用MSDNSqlPager这么久以来,对SqlPager已经有了比较深入的了解了,总的说来,SqlPager是一个不错的分页控件。对于一般的需求已经能够很好的满足,而且性能比较好;但是美中不足的地方是:它只能对不重复的列进行排序,一旦你用于排序的列的数据有重复现象那么就将出现漏掉数据的情况;对于这个情况我目前也没有好的解决方法,唯一的办法就是先在查询中进行排序,然后再生成该查询结果的自动编号列,不过这个功能在SqlServer2000下不好做,在SQL2005中到自带该功能!闲话就到此,下面转入正题!
以前也对SqlPager进行过一些小的修改,不过还是感觉功能上欠缺了一些!由于一个小项目的需要以及我对SqlPager分页的热爱,所以我又对其进行了修改!主要新增功能如下:1.带类似于百度那种数字翻页功能 2.可以为翻页的数字设置样式表中的样式。
如图所示:
属性说明:

在此贴出主要部分代码:(也就是实现数字翻页部分代码,仅供大家参考)
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/// <summary>
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/// 数字翻页 开始值
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/// </summary>
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protected int NumberPageBegin
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{
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get{return Convert.ToInt32(this.ViewState["_NumberPageBegin"]);}
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set{this.ViewState["_NumberPageBegin"]=value;}
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}
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/// <summary>
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/// 数字翻页UI
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/// </summary>
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/// <param name="cell"></param>
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private void BuildNumberUI(TableCell cell)
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{
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bool isValidPage = (CurrentPageIndex >=0 && CurrentPageIndex <= TotalPages-1);
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bool canMoveBack = (CurrentPageIndex>0);
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bool canMoveForward = (CurrentPageIndex<TotalPages-1);
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bool isFirst=(CurrentPageIndex==0);
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bool isLast=(CurrentPageIndex==this.TotalPages-1);
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cell.Controls.Add(new LiteralControl(" "));
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//第一页
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LinkButton linkfirst=new LinkButton();
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linkfirst.ID="link_first_0";
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//linkfirst.ForeColor = ForeColor;
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linkfirst.ToolTip = "第1页";
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linkfirst.Text = "1";
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//linkfirst.Attributes.Add("onclick",this.ClientID+"_"+linkfirst.ClientID+".className='"+this.VisitedCssClass+"'");
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linkfirst.Click += new EventHandler(linkfirst_Click);
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linkfirst.Enabled = !isFirst;
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// if(this.CurrentPageIndex==0)
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// {
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// linkfirst.CssClass=this.VisitedCssClass;
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// }
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// else
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// {
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linkfirst.CssClass=this.NotVisitCssClass;
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// }
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cell.Controls.Add(linkfirst);
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cell.Controls.Add(new LiteralControl(" "));
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//前10页
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LinkButton linkprevten=new LinkButton();
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int prevten=0;
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if(this.CurrentPageIndex%10>0&&this.CurrentPageIndex<this.TotalPages-1)
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{
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prevten=(this.CurrentPageIndex/10+1)*10;
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}
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if(this.CurrentPageIndex%10==0)
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{
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prevten=(this.CurrentPageIndex/10-1)*10;
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}
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linkprevten.ID="linkprevten_"+prevten.ToString();
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//linkprevten.ForeColor = ForeColor;
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linkprevten.ToolTip = "前10页";
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linkprevten.Text = "
";
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linkprevten.Click += new EventHandler(linknumber_Click);
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linkprevten.Enabled = (this.CurrentPageIndex-1)<10?false:true;
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cell.Controls.Add(linkprevten);
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cell.Controls.Add(new LiteralControl(" "));
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//中间的数字
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int counter=0;//计数器
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if((this.CurrentPageIndex+1)%10==0)
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{
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this.NumberPageBegin=this.CurrentPageIndex+1;
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}
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else if((this.CurrentPageIndex+1)%10==1)
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{
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if(this.CurrentPageIndex>=10)
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{
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this.NumberPageBegin=this.CurrentPageIndex-10;
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}
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else
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{
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this.NumberPageBegin=0;
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}
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}
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else
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{
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if(this.CurrentPageIndex/10>0&&this.CurrentPageIndex/10<this.TotalPages/10)
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{
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this.NumberPageBegin=(this.CurrentPageIndex/10)*10;
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}
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if(this.CurrentPageIndex/10>0&&this.CurrentPageIndex/10==this.TotalPages/10)
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{
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this.NumberPageBegin=(this.CurrentPageIndex/10)*10;
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}
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}
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for(int i=this.NumberPageBegin;i<this.TotalPages&&counter<10;i++)
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{
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LinkButton midLink=new LinkButton();
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midLink.ID="midLnk_"+i.ToString();
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midLink.Text=(i+1).ToString();
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midLink.Click += new EventHandler(linknumber_Click);
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//midLink.ForeColor = ForeColor;
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midLink.ToolTip = "第"+(i+1).ToString()+"页";
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//midLink.Attributes.Add("onfocus",this.ClientID+"_"+midLink.ClientID+".className='"+this.VisitedCssClass+"'");
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//midLink.Attributes.Add("class",this.VisitedCssClass);
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//this.ClientID+"_"+midLink.ClientID+".className='"+this.VisitedCssClass+"'";
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// if(this.CurrentPageIndex==NumberPageBegin)
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// {
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// midLink.CssClass=this.VisitedCssClass;
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// }
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// else
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// {
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midLink.CssClass=this.NotVisitCssClass;
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// }
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// if(isFirst||isLast)
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// {
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// midLink.Enabled=false;
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// }
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// else
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// {
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// midLink.Enabled=true;
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// }
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//midLink.Enabled=!isFirst||!isLast;
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cell.Controls.Add(midLink);
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cell.Controls.Add(new LiteralControl(" "));
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counter++;
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}
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//后10页
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LinkButton linknextten=new LinkButton();
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int nextten=0;
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if(this.CurrentPageIndex%10==0&&this.CurrentPageIndex>0)
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{
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nextten=(this.CurrentPageIndex/10-1)*10+9;
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}
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if(this.CurrentPageIndex%10==0&&this.CurrentPageIndex==0)
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{
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nextten=(this.CurrentPageIndex/10)*10+9;
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}
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if(this.CurrentPageIndex%10>0)
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{
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nextten=(this.CurrentPageIndex/10+1)*10+9;
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}
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linknextten.ID="linknextten_"+nextten.ToString();
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//linknextten.ForeColor = ForeColor;
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linknextten.ToolTip = "后10页";
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linknextten.Text = "
";
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linknextten.Click += new EventHandler(linknumber_Click);
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linknextten.Enabled = nextten>this.TotalPages?false:true;
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cell.Controls.Add(linknextten);
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cell.Controls.Add(new LiteralControl(" "));
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//最后一页
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LinkButton linklast=new LinkButton();
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linklast.ID="linkfirst_"+(this.TotalPages-1).ToString();
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//linklast.ForeColor = ForeColor;
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linklast.ToolTip = "第"+this.TotalPages.ToString()+"页";
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linklast.Text = this.TotalPages.ToString();
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//linklast.Attributes.Keys["href"]+=this.ClientID+"_"+linklast.ClientID+".className='"+this.VisitedCssClass+"'";
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linklast.Click += new EventHandler(linklast_Click);
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linklast.Enabled = !isLast;
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// if(this.CurrentPageIndex==this.TotalPages-1)
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// {
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// linklast.CssClass=this.VisitedCssClass;
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// }
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// else
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// {
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linklast.CssClass=this.NotVisitCssClass;
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// }
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cell.Controls.Add(linklast);
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}
数字翻页的事件
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/// <summary>
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/// 数字跳转
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void linknumber_Click(object sender, EventArgs e)
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{
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LinkButton link=(LinkButton)sender;
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string linkID=link.ID;
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int charIndex=linkID.IndexOf("_")+1;
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int pageID=Convert.ToInt32(linkID.Substring(charIndex,linkID.Length-charIndex));
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//this.ChangeLnkBtnCssClass(link);
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link.CssClass=this.VisitedCssClass;
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//((LinkButton)sender).CssClass=this.VisitedCssClass;
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GoToPage(pageID);
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}
如还有不清楚之处可以联系本人!
源代码下载:LJHSqlPager.rar (本人测试调试了一天,希望大家看后多多指教!)
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