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对txt、log内容太多文件实现html分页显示

fix-ofd
gaoxiong 2021-04-15 17:13:48 +08:00 committed by kl
parent 4f5b0f74fd
commit 176f38070d
1 changed files with 347 additions and 11 deletions
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358
server/src/main/resources/web/txt.ftl
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@ -3,12 +3,348 @@
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, user-scalable=yes, initial-scale=1.0">
<title>普通文本预览</title>
<title>${file.name}普通文本预览</title>
<#include "*/commonHeader.ftl">
</head>
<body>
<input hidden id="textData" value="${textData}"/>
<#if "${file.suffix?html}" == "txt" || "${file.suffix?html}" == "log" || "${file.suffix?html}" == "TXT" || "${file.suffix?html}" == "LOG">
<style type="text/css">
DIV.black {
line-height:25px;
PADDING-RIGHT: 1px; PADDING-LEFT: 1px; FONT-SIZE: 100%;
MARGIN: 1px; COLOR: #fff;
BACKGROUND-COLOR: #000; TEXT-ALIGN: left ;
}
DIV.black A {
BORDER-RIGHT: #909090 1px solid; PADDING-RIGHT: 5px;
BACKGROUND-POSITION: 50% bottom; BORDER-TOP: #909090 1px solid;
PADDING-LEFT: 5px; BACKGROUND-IMAGE: url(); PADDING-BOTTOM: 2px;
BORDER-LEFT: #909090 1px solid; COLOR: #fff; MARGIN-RIGHT: 3px;
PADDING-TOP: 2px; BORDER-BOTTOM: #909090 1px solid; TEXT-DECORATION: none
}
DIV.black A:hover {
BORDER-RIGHT: #f0f0f0 1px solid; BORDER-TOP: #f0f0f0 1px solid;
BACKGROUND-IMAGE: BORDER-LEFT: #f0f0f0 1px solid;
COLOR: #ffffff; BORDER-BOTTOM: #f0f0f0 1px solid; BACKGROUND-COLOR: #404040
}
DIV.black A:active {
BORDER-RIGHT: #f0f0f0 1px solid; BORDER-TOP: #f0f0f0 1px solid;
BACKGROUND-IMAGE: BORDER-LEFT: #f0f0f0 1px solid;
COLOR: #ffffff; BORDER-BOTTOM: #f0f0f0 1px solid; BACKGROUND-COLOR: #404040
}
.divContent
{
color:#fff;
font-size：30px；
line-height：30px；
font-family：“SimHei”；
text-indent:2em;
padding-bottom:10px;
white-space: pre-wrap; /*css-3*/
white-space: -moz-pre-wrap; /*Mozilla,since1999*/
white-space: -pre-wrap; /*Opera4-6*/
white-space: -o-pre-wrap; /*Opera7*/
word-wrap: break-word; /*InternetExplorer5.5+*/
background-color: #000;
}
</style>
<div class="container">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
${file.name}
</a>
</h4>
</div>
<div class="panel-body">
<div id="divPagenation" class="black" >
</div>
<div id="divContent" class="panel-body">
</div>
</div>
</div>
</div>
<script type="text/javascript">
var base64data = $("#textData").val()
var s = Base64.decode(base64data);
// s=s.replace(/。/g,"。<br>");
// $("#xml").hide()
//对img标签进行匹配
var imgReg = /(<img\s+src='\S+'\s*(\/)?>)/gi;
matchContent = s.match(imgReg);
imgContent = s;
if(imgReg.test(s))
{
//将img标签替换为❈
imgContent = s.replace(imgReg,"❈");
}
// 封装DHTMLpagenation
function DHTMLpagenation(content)
{
this.content=content; // 内容
this.contentLength=imgContent.length; // 内容长度
this.pageSizeCount; // 总页数
this.perpageLength= 20000; //default perpage byte length.
this.currentPage=1; // 起始页为第1页
//this.regularExp=/.+[\?\&]{1}page=(\d+)/;
this.regularExp=/\d+/; // 建立正则表达式，匹配数字型字符串。
this.divDisplayContent;
this.contentStyle=null;
this.strDisplayContent="";
this.divDisplayPagenation;
this.strDisplayPagenation="";
// 把第二个参数赋给perpageLength;
arguments.length==2 ? perpageLength = arguments[1] : '';
try {
//创建要显示的DIV
divExecuteTime=document.createElement("DIV");
document.body.appendChild(divExecuteTime);
}
catch(e)
{
}
// 得到divPagenation容器。
if(document.getElementById("divPagenation"))
{
divDisplayPagenation=document.getElementById("divPagenation");
}
else
{
try
{
//创建分页信息
divDisplayPagenation=document.createElement("DIV");
divDisplayPagenation.id="divPagenation";
document.body.appendChild(divDisplayPagenation);
}
catch(e)
{
return false;
}
}
// 得到divContent容器
if(document.getElementById("divContent"))
{
divDisplayContent=document.getElementById("divContent");
}
else
{
try
{
//创建每页显示内容的消息的DIV
divDisplayContent=document.createElement("DIV");
divDisplayContent.id="divContent";
document.body.appendChild(divDisplayContent);
}
catch(e)
{
return false;
}
}
DHTMLpagenation.initialize();
return this;
};
//初始化分页；
//包括把加入CSS，检查是否需要分页
DHTMLpagenation.initialize=function()
{
divDisplayContent.className= contentStyle != null ? contentStyle : "divContent";
if(contentLength<=perpageLength)
{
strDisplayContent=content;
divDisplayContent.innerHTML=strDisplayContent;
return null;
}
pageSizeCount=Math.ceil((contentLength/perpageLength));
DHTMLpagenation.goto(currentPage);
DHTMLpagenation.displayContent();
};
//显示分页栏
DHTMLpagenation.displayPage=function()
{
strDisplayPagenation="";
if(currentPage && currentPage !=1)
{
strDisplayPagenation+='<a href="javascript:void(0)" onclick="DHTMLpagenation.previous()">上一页</a> ';
}
else
{
strDisplayPagenation+="上一页 ";
}
for(var i=1;i<=pageSizeCount;i++)
{
if(i!=currentPage)
{
strDisplayPagenation+='<a href="javascript:void(0)" onclick="DHTMLpagenation.goto('+i+');">'+i+'</a> ';
}
else
{
strDisplayPagenation+=i+" ";
}
}
if(currentPage && currentPage!=pageSizeCount)
{
strDisplayPagenation+='<a href="javascript:void(0)" onclick="DHTMLpagenation.next()">下一页</a> ';
}
else
{
strDisplayPagenation+="下一页 ";
}
strDisplayPagenation+="共 " + pageSizeCount + " 页。<br>每页" + perpageLength + " 字符，调整字符数：<input type='text' value='"+perpageLength+"' id='ctlPerpageLength' /><input type='button' value='确定' onclick='DHTMLpagenation.change()' />";
divDisplayPagenation.innerHTML=strDisplayPagenation;
};
//上一页
DHTMLpagenation.previous=function()
{
DHTMLpagenation.goto(currentPage-1);
};
//下一页
DHTMLpagenation.next=function()
{
DHTMLpagenation.goto(currentPage+1);
};
//跳转至某一页
DHTMLpagenation.goto=function(iCurrentPage)
{
startime=new Date();
if(regularExp.test(iCurrentPage))
{
currentPage=iCurrentPage;
var tempContent = "";
//获取当前的内容 里面包含 ❈
var currentContent = imgContent.substr((currentPage-1)*perpageLength,perpageLength);
tempContent = currentContent;
//当前页是否有 ❈ 获取最后一个 ❈ 的位置
var indexOf = currentContent.indexOf("❈");
if(indexOf >= 0)
{
//获取从开始位置到当前页位置的内容
var beginToEndContent = imgContent.substr(0,currentPage*perpageLength);
//获取开始到当前页位置的内容 中的 * 的最后的下标
var reCount = beginToEndContent.split("❈").length - 1;
var contentArray = currentContent.split("❈");
tempContent = replaceStr(contentArray,reCount,matchContent);
}
// else
// {
// tempContent=imgContent.substr((currentPage-1)*perpageLength,perpageLength);
// }
strDisplayContent=tempContent;
}
else
{
alert("页面参数错误");
}
DHTMLpagenation.displayPage();
DHTMLpagenation.displayContent();
};
//显示当前页内容
DHTMLpagenation.displayContent=function()
{
divDisplayContent.innerHTML=strDisplayContent;
};
//改变每页的字节数
DHTMLpagenation.change=function()
{
var iPerpageLength = document.getElementById("ctlPerpageLength").value;
if(regularExp.test(iPerpageLength))
{
// DHTMLpagenation.perpageLength=iPerpageLength;
// DHTMLpagenation.currentPage=1;
// DHTMLpagenation.initialize();
DHTMLpagenation(s,iPerpageLength);
}
else
{
alert("请输入数字");
}
};
/* currentArray:当前页以 * 分割后的数组
replaceCount:从开始内容到当前页的内容 * 的个数
matchArray ： img标签的匹配的内容
*/
function replaceStr(currentArray,replaceCount,matchArray)
{
var result = "";
for(var i=currentArray.length -1,j = replaceCount-1 ;i>=1; i--)
{
var temp = (matchArray[j] + currentArray[i]);
result = temp + result;
j--;
}
result = currentArray[0] + result ;
return result;
}
DHTMLpagenation(s,20000);
/**
* 初始化
*/
window.onload = function () {
initWaterMark();
}
</script>
<#else/>
<div class="container">
<div class="panel panel-default">
@ -25,15 +361,7 @@
</div>
</div>
<script>
/**
* 初始化
*/
window.onload = function () {
initWaterMark();
loadText();
}
/**
*加载普通文本
@ -44,8 +372,16 @@
var textPreData = "<xmp style='background-color: #FFFFFF;overflow-y: scroll;border:none'>" + textData + "</xmp>";
$("#text").append(textPreData);
}
/**
* 初始化
*/
window.onload = function () {
initWaterMark();
loadText();
}
</script>
</#if>
</body>