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$uploaddir = "uploadfiles/";//设置文件保存目录 注意包含/
$type=array("jpg","gif","bmp","jpeg","png");//设置允许上传文件的类型
$patch="uploadfiles/";//程序所在路径
//获取文件后缀名函数
function fileext($filename)
{
return substr(strrchr($filename, '.'), 1);
}
//获取文件后缀名函数
function fileext2($filename2)
{
return substr(strrchr($filename2, '.'), 1);
}
//获取文件后缀名函数
function fileext3($filename3)
{
return substr(strrchr($filename3, '.'), 1);
}
//生成随机文件名函数
function random($length)
{
$hash = 'java-';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++)
{
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
$a=strtolower(fileext($_FILES['img1']['name']));
$b=strtolower(fileext2($_FILES['img2']['name']));
$c=strtolower(fileext3($_FILES['img3']['name']));
//判断文件类型
if(!in_array(strtolower(fileext($_FILES['img1']['name'])),$type))
{
$text=implode(",",$type);
echo "您只能上传以下类型文件: ",$text,"<br>";
}
//生成目标文件的文件名
else{
$filename=explode(".",$_FILES['img1']['name']);
$filename2=explode(".",$_FILES['img2']['name']);
$filename3=explode(".",$_FILES['img3']['name']);
do
{
$filename[0]=random(10); //设置随机数长度
$name=implode(".",$filename);
//$name1=$name.".Mcncc";
$uploadfile=$uploaddir.$name;
$filename[1]=random(10); //设置随机数长度
$name2=implode(".",$filename2);
//$name1=$name.".Mcncc";
$uploadfile2=$uploaddir.$name2;
$filename[2]=random(10); //设置随机数长度
$name3=implode(".",$filename3);
//$name1=$name.".Mcncc";
$uploadfile3=$uploaddir.$name3;
}
while(file_exists($uploadfile));
if (move_uploaded_file($_FILES['img1']['tmp_name'],$uploadfile)){
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
if (move_uploaded_file($_FILES['img2']['tmp_name'],$uploadfile2)){
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
if (move_uploaded_file($_FILES['img3']['tmp_name'],$uploadfile3)){
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
}
$SourceFileName=$uploadfile;
$SourceFileName2=$uploadfile2;
$SourceFileName3=$uploadfile3;
do
{
$filename[0]=random(10); //设置随机数长度
$name=implode(".",$filename);
//$name1=$name.".Mcncc";
$uploadfile=$uploaddir.$name;
$filename[1]=random(10); //设置随机数长度
$name2=implode(".",$filename2);
//$name1=$name.".Mcncc";
$uploadfile2=$uploaddir.$name2;
$filename[2]=random(10); //设置随机数长度
$name3=implode(".",$filename3);
//$name1=$name.".Mcncc";
$uploadfile3=$uploaddir.$name3;
}
改好后的程序
<?php
$uploaddir = "uploadfiles/"; //设置文件保存目录 注意包含/
$type = array(
"jpg",
"gif",
"bmp",
"jpeg",
"png"
); //设置允许上传文件的类型
$patch = "uploadfiles/"; //程序所在路径
print_r($_FILES);
//获取文件后缀名函数
function fileext($filename) {
return substr(strrchr($filename, '.') , 1);
}
//获取文件后缀名函数
function fileext2($filename2) {
return substr(strrchr($filename2, '.') , 1);
}
//获取文件后缀名函数
function fileext3($filename3) {
return substr(strrchr($filename3, '.') , 1);
}
//生成随机文件名函数
function random($length) {
$hash = 'java-';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
mt_srand((double)microtime() * 1000000);
for ($i = 0; $i < $length; $i++) {
$hash.= $chars[mt_rand(0, $max) ];
}
return $hash;
}
$a = strtolower(fileext($_FILES['img1']['name']));
$b = strtolower(fileext2($_FILES['img2']['name']));
$c = strtolower(fileext3($_FILES['img3']['name']));
//判断文件类型
if (!in_array(strtolower(fileext($_FILES['img1']['name'])) , $type)) {
$text = implode(",", $type);
echo "您只能上传以下类型文件: ", $text, "<br>";
}
//生成目标文件的文件名
else {
$filename = explode(".", $_FILES['img1']['name']);
$filename2 = explode(".", $_FILES['img2']['name']);
$filename3 = explode(".", $_FILES['img3']['name']);
do {
$filename[0] = random(10); //设置随机数长度
$name = implode(".", $filename);
//$name1=$name.".Mcncc";
$uploadfile = $uploaddir . $name;
$filename2[0] = random(10); //设置随机数长度
$name2 = implode(".", $filename2);
//$name1=$name.".Mcncc";
$uploadfile2 = $uploaddir . $name2;
$filename3[0] = random(10); //设置随机数长度
$name3 = implode(".", $filename3);
//$name1=$name.".Mcncc";
$uploadfile3 = $uploaddir . $name3;
} while (file_exists($uploadfile));
if (move_uploaded_file($_FILES['img1']['tmp_name'], $uploadfile)) {
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
if (move_uploaded_file($_FILES['img2']['tmp_name'], $uploadfile2)) {
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
if (move_uploaded_file($_FILES['img3']['tmp_name'], $uploadfile3)) {
//if(is_uploaded_file($_FILES['file']['tmp_name'])){
//输出图片预览
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$uploadfile'></center>";
//echo"<br><center><a href='javascript:history.go(-1)'>继续上传</a></center>";
//}
//else{
//echo "上传失败!";
}
}
$SourceFileName = $uploadfile;
$SourceFileName2 = $uploadfile2;
$SourceFileName3 = $uploadfile3;
?>