PHP中MVC模式的模板引擎开发经验分享

<?php
/*
* class: 模板解析类
* author: 51JS.COM-ZMM
* date: 2011.3.1
* email: 304924248@qq.com
* blog: http://www.cnblogs.com/cnzmm/
*/
class Template {
public $html, $vars, $bTag, $eTag;
public $bFlag={, $eFlag=}, $pfix=zmm:;
private $folder, $file;
function __construct($vars=array()) {
!empty($vars) && $this->vars = $vars;
!empty($GLOBALS[cfg_tag_prefix]) &&
$this->pfix = $GLOBALS[cfg_tag_prefix].:;
$this->bTag = $this->bFlag.$this->pfix;
$this->eTag = $this->bFlag.\/.$this->pfix;
empty(Tags::$vars) && Tags::$vars = &$this->vars;
}
public function LoadTpl($tpl) {
$this->file = $this->GetTplPath($tpl);
Tags::$file = &$this->file;
if (is_file($this->file)) {
if ($this->GetTplHtml()) {
$this->SetTplTags();
} else {
exit(模板文件加载失败！);
}
} else {
exit(模板文件[.$this->file.]不存在！);
}
}
private function GetTplPath($tpl) {
$this->folder = WEBSITE_DIRROOT.
$GLOBALS[cfg_tpl_root];
return $this->folder./.$tpl;
}
private function GetTplHtml() {
$html = self::FmtTplHtml(file_get_contents($this->file));
if (!empty($html)) {
$callFunc = Tags::$prefix.Syntax;
$this->html = Tags::$callFunc($html, new Template());
} else {
exit(模板文件内容为空！);
} return true;
}
static public function FmtTplHtml($html) {
return preg_replace(/(\r)|(\n)|(\t)|(\s{2,})/is, , $html);
}
public function Register($vars=array()) {
if (is_array($vars)) {
$this->vars = $vars;
Tags::$vars = &$this->vars;
}
}
public function Display($bool=false, $name="", $time=0) {
if (!empty($this->html)) {
if ($bool && !empty($name)) {
if (!is_int($time)) $time = 600;
$cache = new Cache($time);
$cache->Set($name, $this->html);
}
echo $this->html; flush();
} else {
exit(模板文件内容为空！);
}
}
public function SetAssign($souc, $info) {
if (!empty($this->html)) {
$this->html = str_ireplace($souc, self::FmtTplHtml($info), $this->html);
} else {
exit(模板文件内容为空！);
}
}
private function SetTplTags() {
$this->SetPanelTags(); $this->SetTrunkTags(); $this->RegHatchVars();
}
private function SetPanelTags() {
$rule = $this->bTag.([^.$this->eFlag.]+)\/.$this->eFlag;
preg_match_all(/.$rule./ism, $this->html, $out_matches);
$this->TransTag($out_matches, panel); unset($out_matches);
}
private function SetTrunkTags() {
$rule = $this->bTag.(\w+)\s*([^.$this->eFlag.]*?).$this->eFlag.
((?:(?!.$this->bTag.)[\S\s]*?|(?R))*).$this->eTag.\\1\s*.$this->eFlag;
preg_match_all(/.$rule./ism, $this->html, $out_matches);
$this->TransTag($out_matches, trunk); unset($out_matches);
}
private function TransTag($result, $type) {
if (!empty($result[0])) {
switch ($type) {
case panel : {
for ($i = 0; $i < count($result[0]); $i ++) {
$strTag = explode( , $result[1][$i], 2);
if (strpos($strTag[0], .)) {
$itemArg = explode(., $result[1][$i], 2);
$callFunc = Tags::$prefix.ucfirst($itemArg[0]);
if (method_exists(Tags, $callFunc)) {
$html = Tags::$callFunc(chop($itemArg[1]));
if ($html !== false) {
$this->html = str_ireplace($result[0][$i], $html, $this->html);
}
}
} else {
$rule = ^([^\s]+)\s*([\S\s]+)$;
preg_match_all(/.$rule./is, trim($result[1][$i]), $tmp_matches);
$callFunc = Tags::$prefix.ucfirst($tmp_matches[1][0]);
if (method_exists(Tags, $callFunc)) {
$html = Tags::$callFunc($tmp_matches[2][0]);
if ($html !== false) {
$this->html = str_ireplace($result[0][$i], $html, $this->html);
}
} unset($tmp_matches);
}
} break;
}
case trunk : {
for ($i = 0; $i < count($result[0]); $i ++) {
$callFunc = Tags::$prefix.ucfirst($result[1][$i]);
if (method_exists(Tags, $callFunc)) {
$html = Tags::$callFunc($result[2][$i], $result[3][$i]);
$this->html = str_ireplace($result[0][$i], $html, $this->html);
}
} break;
}
default: break;
}
} else {
return false;
}
}
private function RegHatchVars() {
$this->SetPanelTags();
}
function __destruct() {}
}
?>

<?php
/*
* class: 标签解析类
* author: 51JS.COM-ZMM
* date: 2011.3.2
* email: 304924248@qq.com
* blog: http://www.cnblogs.com/cnzmm/
*/
class Tags {
static private $attrs=null;
static public $file, $vars, $rule, $prefix=TAG_;
static public function TAG_Syntax($html, $that) {
$rule = $that->bTag.if\s+([^.$that->eFlag.]+)\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php if (\\1) { ?>, $html);
$rule = $that->bTag.elseif\s+([^.$that->eFlag.]+)\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php } elseif (\\1) { ?>, $html);
$rule = $that->bTag.else\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php } else { ?>, $html);
$rule = $that->bTag.loop\s+(\S+)\s+(\S+)\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php foreach (\\1 as \\2) { ?>, $html);
$rule = $that->bTag.loop\s+(\S+)\s+(\S+)\s+(\S+)\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php foreach (\\1 as \\2 => \\3) { ?>, $html);
$rule = $that->eTag.(if|loop)\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php } ?>, $html);
$rule = $that->bTag.php\s*.$that->eFlag.((?:(?!.
$that->bTag.)[\S\s]*?|(?R))*).$that->eTag.php\s*.$that->eFlag;
$html = preg_replace(/.$rule./ism, <?php \\1 ?>, $html);
return self::TAG_Execute($html);
}
static public function TAG_List($attr, $html) {
if (!empty($html)) {
if (self::TAG_HaveTag($html)) {
return self::TAG_DealTag($attr, $html, true);
} else {
return self::TAG_GetData($attr, $html, true);
}
} else {
exit(标签{list}的内容为空！);
}
}
static public function TAG_Data($attr, $html) {
if (!empty($html)) {
if (self::TAG_HaveTag($html)) {
return self::TAG_DealTag($attr, $html, false);
} else {
return self::TAG_GetData($attr, $html, false);
}
} else {
exit(标签{data}的内容为空！);
}
}
static public function TAG_Execute($html) {
ob_clean(); ob_start();
if (!empty(self::$vars)) {
is_array(self::$vars) &&
extract(self::$vars, EXTR_OVERWRITE);
}
$file_inc = WEBSITE_DIRINC./buffer/.
md5(uniqid(rand(), true))..php;
if ($fp = fopen($file_inc, xb)) {
fwrite($fp, $html);
if (fclose($fp)) {
include($file_inc);
$html = ob_get_contents();
} unset($fp);
} else {
exit(模板解析文件生成失败！);
} ob_end_clean(); @unlink($file_inc);
return $html;
}
static private function TAG_HaveTag($html) {
$bool_has = false;
$tpl_ins = new Template();
self::$rule = $tpl_ins->bTag.([^.$tpl_ins->eFlag.]+)\/.$tpl_ins->eFlag;
$bool_has = $bool_has || preg_match(/.self::$rule./ism, $html);
self::$rule = $tpl_ins->bTag.(\w+)\s*([^.$tpl_ins->eFlag.]*?).$tpl_ins->eFlag.
((?:(?!.$tpl_ins->bTag.)[\S\s]*?|(?R))*).$tpl_ins->eTag.\\1\s*.$tpl_ins->eFlag;
$bool_has = $bool_has || preg_match(/.self::$rule./ism, $html);
unset($tpl_ins);
return $bool_has;
}
static private function TAG_DealTag($attr, $html, $list) {
preg_match_all(/.self::$rule./ism, $html, $out_matches);
if (!empty($out_matches[0])) {
$child_node = array();
for ($i = 0; $i < count($out_matches[0]); $i ++) {
$child_node[] = $out_matches[3][$i];
$html = str_ireplace($out_matches[3][$i], {-->>child_node_.$i.<<--}, $html);
}
$html = self::TAG_GetData($attr, $html, $list);
for ($i = 0; $i < count($out_matches[0]); $i ++) {
$html = str_ireplace({-->>child_node_.$i.<<--}, $child_node[$i], $html);
}
preg_match_all(/.self::$rule./ism, $html, $tmp_matches);
if (!empty($tmp_matches[0])) {
for ($i = 0; $i < count($tmp_matches[0]); $i ++) {
$callFunc = self::$prefix.ucfirst($tmp_matches[1][$i]);
if (method_exists(Tags, $callFunc)) {
$temp = self::$callFunc($tmp_matches[2][$i], $tmp_matches[3][$i]);
$html = str_ireplace($tmp_matches[0][$i], $temp, $html);
}
}
}
unset($tmp_matches);
}
unset($out_matches); return $html;
}
static private function TAG_GetData($attr, $html, $list=false) {
if (!empty($attr)) {
$attr_ins = new Attbt($attr);
$attr_arr = $attr_ins->attrs;
if (is_array($attr_arr)) {
extract($attr_arr, EXTR_OVERWRITE);
$source = table_name($source, $column);
$rule = \[field:\s*(\w+)\s*([^\]]*?)\s*\/?];
preg_match_all(/.$rule./is, $html, $out_matches);
$data_str = ;
$data_ins = new DataSql();
$attr_where = $attr_order = ;
if (!empty($where)) {
$where = str_replace(,, and , $where);
$attr_where = where . $where;
}
if (!empty($order)) {
$attr_order = order by .$order;
} else {
$fed_name = ;
$fed_ins = $data_ins->GetFedNeedle($source);
$fed_cnt = $data_ins->GetFedCount($fed_ins);
for ($i = 0; $i < $fed_cnt; $i ++) {
$fed_flag = $data_ins->GetFedFlag($fed_ins, $i);
if (preg_match(/auto_increment/ism, $fed_flag)) {
$fed_name = $data_ins->GetFedName($fed_ins, $i);
break;
}
}
if (!empty($fed_name))
$attr_order = order by .$fed_name. desc;
}
if ($list == true) {
if (empty($source) && empty($sql)) {
exit(标签{list}必须指定source属性！);
}
$attr_rows = $attr_page = ;
if ($rows > 0) {
$attr_rows = limit 0,.$rows;
}
if (!empty($sql)) {
$data_sql = $sql;
} else {
$data_sql = select * from `.$source.`.
$attr_where.$attr_order.$attr_rows;
}
if ($pages==true && !empty($size)) {
$data_num = $data_ins->GetRecNum($data_sql);
$page_cnt = ceil($data_num / $size);
global $page;
if (!isset($page) || $page < 1) $page = 1;
if ($page > $page_cnt) $page = $page_cnt;
$data_sql = select * from `.$source.`.$attr_where.
$attr_order. limit .($page-1) * $size.,.$size;
$GLOBALS[cfg_page_curr] = $page;
$GLOBALS[cfg_page_prev] = $page - 1;
$GLOBALS[cfg_page_next] = $page + 1;
$GLOBALS[cfg_page_nums] = $page_cnt;
if (function_exists(list_pagelink)) {
$GLOBALS[cfg_page_list] = list_pagelink($page, $page_cnt, 2);
}
}
$data_idx = 0;
$data_ret = $data_ins->SqlCmdExec($data_sql);
while ($row = $data_ins->GetRecArr($data_ret)) {
if ($skip > 0 && !empty($flag)) {
$data_idx != 0 &&
$data_idx % $skip == 0 &&
$data_str .= $flag;
}
$data_tmp = $html;
$data_tmp = str_ireplace(@idx, $data_idx, $data_tmp);
for ($i = 0; $i < count($out_matches[0]); $i ++) {
$data_tmp = str_ireplace($out_matches[0][$i],
$row[$out_matches[1][$i]], $data_tmp);
}
$data_str .= $data_tmp; $data_idx ++;
}
} else {
if (empty($source)) {
exit(标签{data}必须指定source属性！);
}
$data_sql = select * from `.$source.
`.$attr_where.$attr_order;
$row = $data_ins->GetOneRec($data_sql);
if (is_array($row)) {
$data_tmp = $html;
for ($i = 0; $i < count($out_matches[0]); $i ++) {
$data_val = $row[$out_matches[1][$i]];
if (empty($out_matches[2][$i])) {
$data_tmp = str_ireplace($out_matches[0][$i], $data_val, $data_tmp);
} else {
$attr_str = $out_matches[2][$i];
$attr_ins = new Attbt($attr_str);
$func_txt = $attr_ins->attrs[function];
if (!empty($func_txt)) {
$func_tmp = explode((, $func_txt);
if (function_exists($func_tmp[0])) {
eval($func_ret =.str_ireplace(@me,
\.$data_val.\, $func_txt));
$data_tmp = str_ireplace($out_matches[0][$i], $func_ret, $data_tmp);
} else {
exit(调用了不存在的函数！);
}
} else {
exit(标签设置属性无效！);
}
}
}
$data_str .= $data_tmp;
}
}
unset($data_ins);
return $data_str;
} else {
exit(标签设置属性无效！);
}
} else {
exit(没有设置标签属性！);
}
}
static public function __callStatic($name, $args) {
exit(标签{.$name.}不存在！);
}
}
?>