php采集精美图片

源代码

<?php
header(“Content-type:text/html;charset=utf-8“);
function GrabImage($$url,$$filename=““) {
if($$url==““):return false;endif;
if($$filename==““) {
$$ext=strrchr($$url,“.“);
if($$ext!=“.gif“ && $$ext!=“.jpg“):return false;endif;
$$filename=date(“dMYHis“).$$ext;
}
ob_start();
readfile($$url);
$$img = ob_get_contents();
ob_end_clean();
$$size = strlen($$img);
$$fp2=@fopen($$filename, “w+“);
fwrite($$fp2,$$img);
fclose($$fp2);
return $$filename;
}

for($$i=1;$$i<8;$$i++){
$$url=“http://www.topit.me/popular/20120420?p=“.$$i;//这里修改采集地址
echo $$url;
$$file=file_get_contents($$url);

$$preg=‘/(.*)<div class=“e“>(.*)<\/div>(.*)/isU‘;
preg_match_all($$preg,$$file,$$string);
set_time_limit(0);

foreach($$string[2] as $$key=>$$value){
//echo $$value;
$$pattern_src = ‘/href=“(.*)“><img class=“img“ title=“(.*)“/isU‘;
preg_match_all($$pattern_src,$$value,$$str);
print_r($$str.“<br/>“);

$$img=GrabImage($$str[1][0],““,““);

if($$img){
echo ‘sucess‘;
}else{
echo “false“;
}
}

}
?>