了解了以下UCHOME的通用方法，将对我们的二次开发非常的有效，对于开发插件将更加的方便快捷

function_common.php引用:

//SQLADDSLASHESfunctionsaddslashes($string) return $string;//取消HTML代码functionshtmlspecialchars($string)   return$string;//字符串解密加密functionauthcode($string, $operation = 'DECODE', $key = '', $expiry = 0)//清空cookiefunctionclearcookie()//cookie设置functionssetcookie($var, $value, $life=0)//数据库连接functiondbconnect()//获取在线IPfunctiongetonlineip($format=0)//判断当前用户登录状态functioncheckauth()//获取用户app列表functiongetuserapp($uid=0)//获取到表名functiontname($name)//对话框functionshowmessage($msgkey, $url_forward='', $second=1, $values=array())//判断提交是否正确functionsubmitcheck($var)//添加数据functioninserttable($tablename, $insertsqlarr, $returnid=0, $replace = false,$silent=0)   return insert_id;//更新数据functionupdatetable($tablename, $setsqlarr, $wheresqlarr, $silent=0)//获取用户空间信息functiongetspace($key, $indextype='uid')//获取当前用户信息functiongetmember()//检查隐私functionckprivacy($type, $feedmode=0)//检查APP隐私functionapp_ckprivacy($privacy)//获取用户组functiongetgroupid($credit, $gid=0)//检查权限functioncheckperm($permtype)//写运行日志functionrunlog($file, $log, $halt=0)//获取字符串functiongetstr($string, $length, $in_slashes=0, $out_slashes=0, $censor=0, $bbcode=0,$html=0)//时间格式化functionsgmdate($dateformat, $timestamp='', $format=0)//字符串时间化functionsstrtotime($string)//分页functionmulti($num, $perpage, $curpage, $mpurl)//obfunctionobclean()//模板调用functiontemplate($name)//子模板更新检查functionsubtplcheck($subfiles, $mktime, $tpl)//模块functionblock($param)//获取数目functiongetcount($tablename, $wherearr, $get='COUNT(*)')//调整输出functionob_out()//rewrite链接functionrewrite_url($pre, $para)//外链functioniframe_url($url)//处理搜索关键字functionstripsearchkey($string)//是否屏蔽二级域名functionisholddomain($domain)//连接字符functionsimplode($ids)//显示进程处理时间functiondebuginfo()//格式化大小函数functionformatsize($size)//获取文件内容functionsreadfile($filename)//写入文件functionswritefile($filename, $writetext, $openmod='w')//产生随机字符functionrandom($length, $numeric = 0)//判断字符串是否存在functionstrexists($haystack, $needle)//获取数据functiondata_get($var, $isarray=0)//更新数据functiondata_set($var, $datavalue, $clean=0)//检查站点是否关闭functioncheckclose()//站点链接functiongetsiteurl()//获取文件名后缀functionfileext($filename)//积分functioncreditrule($mode, $type)//更新积分functionupdatespacestatus($creditmode, $optype)//去掉slasshfunctionsstripslashes($string)//显示广告functionadshow($pagetype)//编码转换functionsiconv($str, $out_charset, $in_charset='')//获取用户数据functiongetpassport($username, $password)//用户操作时间间隔检查functioninterval_check($type)//处理上传图片连接functionmkpicurl($pic, $thumb=1)//处理网络图片链接functiongetpicurl($picurl, $maxlenth='200')//处理积分星星functiongetstar($credit)//处理分页functionsmulti($start, $perpage, $count, $url, $ajaxdiv='')//获取好友状态functiongetfriendstatus($uid, $fuid)//重新组建functionrenum($array)//检查定向functionckfriend($invalue)//整理feedfunctionmkfeed($feed, $actors=array())//整理分享functionmkshare($share)//ip访问允许functionipaccess($ipaccess)//ip访问禁止functionipbanned($ipbanned)//检查startfunctionckstart($start, $perpage)//处理头像functionavatar($uid, $size='small')//检查是否登录functionchecklogin()//获得前台语言functionlang($key, $vars=array())//获得后台语言functioncplang($key, $vars=array())//语言替换functionlang_replace($text, $vars)//获得用户组名functiongetfriendgroup()//截取链接functionsub_url($url, $length)//获取用户名functionrealname_set($uid, $username, $name='', $namestatus=0)//获取实名functionrealname_get()//添加窗口标题functionwindow_set($title, $url, $icon='')//更新用户配置functionupdate_space_setting()//群组信息functiongetmtag($id)//取数组中的随机个functionsarray_rand($arr, $num)//获得用户唯一串functionspace_key($space)//产生form防伪码functionformhash() function_cache.php 引用://更新配置文件functionconfig_cache($updatedata=true)//更新用户组CACHEfunctionusergroup_cache()//更新用户栏目缓存functionprofilefield_cache()//更新群组栏目缓存functionprofield_cache()//更新词语屏蔽functioncensor_cache()//更新积分规则functioncreditrule_cache()//更新广告缓存functionad_cache()//更新用户向导任务functiontask_cache()//更新模块functionblock_cache()//更新模板文件functiontpl_cache()//更新模块缓存functionblock_data_cache()//更新应用名functionapp_cache()//递归清空目录functiondeltreedir($dir)//数组转换成字串functionarrayeval($array, $level = 0)//写入functioncache_write($name, $var, $values)function_cp.php 引用://保存图片functionpic_save($FILE, $albumid, $title ,$tid = 0)//数据流保存，所有数据均为存放相册的所以写入的数据一定只能是图片functionstream_save($strdata, $albumid = 0, $fileext = 'jpg')//创建相册functionalbum_creat($arr)//获取上传路径functiongetfilepath($fileext, $mkdir=false)//获取目录functionsreaddir($dir, $extarr=array())//检查邮箱是否有效functionisemail($email)//获取相册封面图片functiongetalbumpic($uid, $id)//获取个人分类functiongetclassarr($uid)//获取相册functiongetalbums($uid)//事件发布functionfeed_add($icon, $title_template='', $title_data=array(), $body_template='',$body_data=array(),$body_general='',$images=array(), $image_links=array(), $target_ids='', $friend='',$appid=UC_APPID,$returnid=0,$system=0)//分享发布functionshare_add($type, $title_template, $body_template, $body_data, $body_general,$image='',$image_link='')//通知functionnotification_add($uid, $type, $note, $returnid=0)//更新好友状态functionfriend_update($uid, $username, $fuid, $fusername, $op='add', $gid=0)//更新好友缓存functionfriend_cache($uid)//检查验证码functionckseccode($seccode)//相册产生feedfunctionalbum_feed($albumid)//更新隐私设置functionprivacy_update()//邀请好友functioninvite_update($inviteid, $uid, $username, $m_uid, $m_username)//获得邀请functioninvite_get($uid, $code)//实名认证functionckrealname($type)//邮件队列functionaddmailcron($touid, $email, $subject, $message='', $mailtype='')//检查头像是否上传functionckavatar($uid)//检查黑名单functionisblacklist($to_uid)//管理后台通用方法function_admincp.php//获取限制条件functiongetwheres($intkeys, $strkeys, $randkeys, $likekeys, $pre='')//获取排序functiongetorders($alloworders, $default, $pre='')//对话框functioncpmessage($msgkey, $url_forward='', $second=1, $values=array())//检查是否操作创始人functionckfounder($uid)//生成站点keyfunctionmksitekey()//统计数据functiongetstatistics()//日志functionadmincp_log()function_op.php //帖子操作方法//合并tagfunctionmergetag($tagids, $newtagid)//锁定/开放tagfunctionclosetag($tagids, $optype)//合并mtagfunctionmergemtag($tagids, $newtagid)//锁定/开放tagfunctionclosemtag($tagids, $optype)//话题精华functiondigestthreads($tagid, $tids, $v)//话题置顶functiontopthreads($tagid, $tids, $v)//模块解析通用方法function_block.php//处理模块functionblock_batch($param)//获取模块缓存functionblock_get($cachekey)//更新模块functionblock_set($cachekey, $blockarr)//字符串解析functionparseparameter($param)//获取缓存分类名functiongetcachedirname($cachekey, $ext='')//MD5规则取缓存名functionsmd5($str)//获取数量sqlfunctiongetcountsql($sqlstring, $rule, $tablename, $where)//获取数量和查询语句functiongetparamsql($paramarr)functionmksqltime($time) 

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文章摘自：http://wenku.baidu.com/view/ffd8a5c14028915f804dc2e0.html