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源代码网推荐
<html>
<head>
<title>Upload Image</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=Javascript>
gFlag=false;
var gMaxSize,gCurrentSize,gUploadSize,gCurInputIndex,gCurImageSrc,gCurOFile;
gMaxSize="10";
gCurrentSize=".18";
gMaxSize=parseFloat(gMaxSize)*1024*1024;
//gMaxSize=parseFloat("1")*1024;
gCurrentSize=parseFloat(gCurrentSize)*1024*1024;
gErr="";
gUploadSize=0;
////////////////////////////////////////////////////
function validate()
{
var lErr;
lErr="";
if((gUploadSize+gCurrentSize)>gMaxSize){
if(form1.TempAlbum.value!=form1.OldAlbum.value){
lErr=".您要上传的图片尺寸大于您的剩余相册容量,请选择上传至"临时相册"n"+lErr;
}
}
if(form1.OldAlbum.value=="0"){
if(form1.NewAlbum.value.length==0){
lErr=".请输入新相册名称n"+lErr;
}
}
if(lErr.length>0){
alert("错误:n"+lErr);
if(lErr.indexOf("请输入新相册名称nn")!=-1){
form1.NewAlbum.focus();
}
return false;
}
form1.submit();
/*进度条控制*/
//var winProgress=window.open("progress.htm","progress","width=300,height=250");
//winProgress.focus();
/*进度条控制*/
return true;
}
function handleBadImage() {
alert("所选图片并非有效的JPG格式!n请重新选择!");
eval("form1.file"+gCurInputIndex+".outerHTML="<input type="file" name="file"+gCurInputIndex+"" style="width:275" value="" onChange="FileChange(this);">"");
eval("form1.file"+gCurInputIndex+".fireEvent("onChange")");
return false;
}
function handleGoodImage() {
imgsrc="http://www.zzchn.com/edu/20071025/<img src=""+gCurImageSrc+"" onload="DrawImage(this,"+gCurInputIndex+"); " width="0" height="0">";
gCurOFile.parentNode.previousSibling.innerHTML=imgsrc;
return true;
}
//////////////////////////////////////////
function FileChange(oFile){
gErr="";
gUploadSize=0;
str="";
gCurOFile=oFile;
gCurImageSrc=oFile.value;
inputname=oFile.name;
i=inputname.substr((inputname.length-1),1);
gCurInputIndex=i;
if (gCurImageSrc.length>0){
//check for none jpg
imgExt=new Image();
imgExt.onload=handleGoodImage;
imgExt.onerror=handleBadImage;
var fileName = gCurImageSrc.replace("", "/"); // NN7
var imgURL = "file:///" + fileName;
if((navigator.appVersion.indexOf("Mac")>-1) && (navigator.appVersion.indexOf("MSIE")>-1)){
imgURL="file://" + fileName;
}
imgExt.src=imgURL;
//finish check
}
}
function ShowImgOfServer(NewPath,ImgD){
ImgD.src=NewPath;
}
/////////////////////////////////////
function DrawImage(ImgD,Index){
var flag=false;
var image=new Image();
image.src=ImgD.src;
ImgD.value=ImgD.src;
if(image.fileSize>2048000){
image.outerHTML="";
gErr+="此图片尺寸过大,图片尺寸应小于2MBn";
eval("form1.file"+Index+".outerHTML="<input type="file" name="file"+Index+"" style="width:275" value="" onChange="FileChange(this);">"");
eval("form1.file"+Index+".fireEvent("onChange")");
alert("此图片尺寸过大,图片尺寸应小于2MBn");
return ;
}
if(image.src.substr(image.src.length-3,3).toLowerCase()!="jpg"){
image.outerHTML="";
gErr+="此图片类型不匹配,只能上传JPG(JPEG)格式文件n";
eval("form1.file"+Index+".outerHTML="<input type="file" name="file"+Index+"" style="width:275" value="" onChange="FileChange(this);">"");
eval("form1.file"+Index+".fireEvent("onChange")");
alert("此图片类型不匹配,只能上传JPG(JPEG)格式文件n");
return ;
}
tempFileName=image.src;
var iLastDot;
iLastLine=tempFileName.lastIndexOf("/");
if(iLastLine!=-1){
tempFileName=tempFileName.substring(iLastLine+1,tempFileName.length);
}
if(!CheckIfEnglish(tempFileName)){
image.outerHTML="";
gErr+="此图片文件名包含中文或其他不合法字符n文件名只能由"a-z"、"A-Z"、"_"、"-"构成n";
eval("form1.file"+Index+".outerHTML="<input type="file" name="file"+Index+"" style="width:275" value="" onChange="FileChange(this);">"");
eval("form1.file"+Index+".fireEvent("onChange")");
alert("此图片文件名包含中文或其他不合法字符n文件名只能由"a-z"、"A-Z"、"_"、"-"构成n");
return ;
}
if(gErr.length>0){
return;
}
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= 120/80){
if(image.width>120){
ImgD.width=120;
ImgD.height=(image.height*120)/image.width;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
ImgD.alt="图片大小(宽*高): "+image.width+"×"+image.height+"n图片大小: "+image.fileSize+"n图片路径: "+image.src;
eval("document.all.width"+Index+".value="+image.width);
eval("document.all.height"+Index+".value="+image.height);
var oCreated=new Date(image.fileModifiedDate);
eval("document.all.PicUpdateDate"+Index+".value=""+oCreated.toLocaleString()+""");
}
else{
if(image.height>80){
ImgD.height=80;
ImgD.width=(image.width*80)/image.height;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
ImgD.alt="图片大小(宽*高): "+image.width+"×"+image.height+"n图片大小: "+image.fileSize+"n图片路径: "+image.src;
eval("document.all.width"+Index+".value="+image.width);
eval("document.all.height"+Index+".value="+image.height);
var oCreated=new Date(image.fileModifiedDate);
eval("document.all.PicUpdateDate"+Index+".value=""+oCreated.toLocaleString()+""");
}
}
if(parseInt(Index)==parseInt(form1.upcount.value)){
form1.upcount.value=parseInt(form1.upcount.value)+1;
str+="<table width="100%" ><tr valign="middle" ><td align="center" id="tdimg" height="" width="120" ></td><td id="tdfile" >文件"+(parseInt(Index)+1)+":<input onpropertychange="FileChange(this);" type="file" name="file"+(parseInt(Index)+1)+"" style="width:275" ><input id="width"+(parseInt(Index)+1)+"" name="width"+(parseInt(Index)+1)+"" type="hidden" value=""><input id="height"+(parseInt(Index)+1)+"" name="height"+(parseInt(Index)+1)+"" type="hidden" value=""><input name="PicUpdateDate"+(parseInt(Index)+1)+"" type="hidden" id="PicUpdateDate"+(parseInt(Index)+1)+""></td></tr></table>";
window.upid.insertAdjacentHTML("beforeEnd",str+"<br>");
}
gUploadSize+=parseFloat(image.fileSize);
}
//////////////////////////////////////////
function AlbumChange(Value){
if(Value=="0"){
document.all.sNewAlbum.style.display="inline";
document.all.NewAlbum.focus();
}
else{
document.all.sNewAlbum.style.display="none";
}
return ;
}
function CheckIfEnglish( String )
{
var Letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-_.";
var i;
var c;
if(String.charAt( 0 )=="-")
return false;
if( String.charAt( String.length - 1 ) == "-" )
return false;
for( i = 0; i < String.length; i ++ )
{
c = String.charAt( i );
if (Letters.indexOf( c ) < 0)
return false;
}
return true;
}
</SCRIPT>
</head>
<body >
<form name="form1" method="post" action="">
<TABLE align=center bgColor=#cccccc border=0
borderColorDark=#cccccc borderColorLight=#000000
cellPadding=5 cellSpacing=1 height=367
width="500">
<TBODY>
<TR vAlign=center>
<TD align=left bgColor=#ffffff colSpan=2
height=269 id=upid vAlign=top> <TABLE cellPadding=3 cellSpacing=1 width="100%">
<TBODY>
<TR vAlign=center>
<TD align=middle bgColor=#ffffff id=tdimg
width=120></TD>
<TD bgColor=#ffffff id=tdfile>文件1:
<INPUT
name=file1 onpropertychange=FileChange(this);
style="WIDTH: 275px" type=file> <INPUT id=width1
name=width1 type=hidden> <INPUT id=height1
name=height1 type=hidden> <INPUT
id=PicUpdateDate1 name=PicUpdateDate1
type=hidden></TD>
</TR>
</TBODY>
</TABLE></TD>
</TR>
<TR bgColor=#eeeeee vAlign=center>
<TD align=middle bgColor=#ebebeb colSpan=2
height=24> <DIV align=left>将图片上传至已有相册
<SELECT id=OldAlbum
name=OldAlbum onchange=AlbumChange(this.value);>
<OPTION value=0><新建相册></OPTION>
<OPTION
selected value=365>临时相册</OPTION>
</SELECT>
<INPUT
id=TempAlbum name=TempAlbum type=hidden
value=365>
<SPAN id=sNewAlbum
style="DISPLAY: none">或新建相册
<INPUT id=NewAlbum
maxLength=50 name=NewAlbum onfocus="">
</SPAN></DIV></TD>
</TR>
<TR bgColor=#eeeeee vAlign=center>
<TD align=middle bgColor=#ebebeb colSpan=2
height=24> <DIV align=center><FONT size=2>
<INPUT class=bt name=Submit onclick=validate(); type=button value="· 上传已选图片 ·">
<INPUT id=upcount name=upcount type=hidden
value=1>
<INPUT id=from name=from type=hidden>
</FONT></DIV></TD>
</TR>
</TBODY>
</TABLE>
</form>
</body>
</html> 6.不同的ALT 源代码网推荐
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