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有关php mvc模式的模板引擎开发经验分享

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2016-07-25 09:05:291259parcourir
  2. /*
  3. * class: 模板解析类
  4. * author: 51JS.COM-ZMM
  5. * date: 2011.3.1
  6. * email: 304924248@qq.com
  7. * blog: http://www.cnblogs.com/cnzmm/
  8. * link: http://bbs.it-home.org
  9. */
  10. class Template {
  11. public $html, $vars, $bTag, $eTag;
  12. public $bFlag='{', $eFlag='}', $pfix='zmm:';
  13. private $folder, $file;
  14. function __construct($vars=array()) {
  15. !empty($vars) && $this->vars = $vars;
  16. !empty($GLOBALS['cfg_tag_prefix']) &&
  17. $this->pfix = $GLOBALS['cfg_tag_prefix'].':';
  18. $this->bTag = $this->bFlag.$this->pfix;
  19. $this->eTag = $this->bFlag.'\/'.$this->pfix;
  20. empty(Tags::$vars) && Tags::$vars = &$this->vars;
  21. }
  22. public function LoadTpl($tpl) {
  23. $this->file = $this->GetTplPath($tpl);
  24. Tags::$file = &$this->file;
  25. if (is_file($this->file)) {
  26. if ($this->GetTplHtml()) {
  27. $this->SetTplTags();
  28. } else {
  29. exit('模板文件加载失败！');
  30. }
  31. } else {
  32. exit('模板文件['.$this->file.']不存在！');
  33. }
  34. }
  35. private function GetTplPath($tpl) {
  36. $this->folder = WEBSITE_DIRROOT.
  37. $GLOBALS['cfg_tpl_root'];
  38. return $this->folder.'/'.$tpl;
  39. }
  40. private function GetTplHtml() {
  41. $html = self::FmtTplHtml(file_get_contents($this->file));
  42. if (!empty($html)) {
  43. $callFunc = Tags::$prefix.'Syntax';
  44. $this->html = Tags::$callFunc($html, new Template());
  45. } else {
  46. exit('模板文件内容为空！');
  47. } return true;
  48. }
  49. static public function FmtTplHtml($html) {
  50. return preg_replace('/(\r)|(\n)|(\t)|(\s{2,})/is', '', $html);
  51. }
  52. public function Register($vars=array()) {
  53. if (is_array($vars)) {
  54. $this->vars = $vars;
  55. Tags::$vars = &$this->vars;
  56. }
  57. }
  58. public function Display($bool=false, $name="", $time=0) {
  59. if (!empty($this->html)) {
  60. if ($bool && !empty($name)) {
  61. if (!is_int($time)) $time = 600;
  62. $cache = new Cache($time);
  63. $cache->Set($name, $this->html);
  64. }
  65. echo $this->html; flush();
  66. } else {
  67. exit('模板文件内容为空！');
  68. }
  69. }
  70. public function SetAssign($souc, $info) {
  71. if (!empty($this->html)) {
  72. $this->html = str_ireplace($souc, self::FmtTplHtml($info), $this->html);
  73. } else {
  74. exit('模板文件内容为空！');
  75. }
  76. }
  77. private function SetTplTags() {
  78. $this->SetPanelTags(); $this->SetTrunkTags(); $this->RegHatchVars();
  79. }
  80. private function SetPanelTags() {
  81. $rule = $this->bTag.'([^'.$this->eFlag.']+)\/'.$this->eFlag;
  82. preg_match_all('/'.$rule.'/ism', $this->html, $out_matches);
  83. $this->TransTag($out_matches, 'panel'); unset($out_matches);
  84. }
  85. private function SetTrunkTags() {
  86. $rule = $this->bTag.'(\w+)\s*([^'.$this->eFlag.']*?)'.$this->eFlag.
  87. '((?:(?!'.$this->bTag.')[\S\s]*?|(?R))*)'.$this->eTag.'\\1\s*'.$this->eFlag;
  88. preg_match_all('/'.$rule.'/ism', $this->html, $out_matches);
  89. $this->TransTag($out_matches, 'trunk'); unset($out_matches);
  90. }
  91. private function TransTag($result, $type) {
  92. if (!empty($result[0])) {
  93. switch ($type) {
  94. case 'panel' : {
  95. for ($i = 0; $i $strTag = explode(' ', $result[1][$i], 2);
  96. if (strpos($strTag[0], '.')) {
  97. $itemArg = explode('.', $result[1][$i], 2);
  98. $callFunc = Tags::$prefix.ucfirst($itemArg[0]);
  99. if (method_exists('Tags', $callFunc)) {
  100. $html = Tags::$callFunc(chop($itemArg[1]));
  101. if ($html !== false) {
  102. $this->html = str_ireplace($result[0][$i], $html, $this->html);
  103. }
  104. }
  105. } else {
  106. $rule = '^([^\s]+)\s*([\S\s]+)$';
  107. preg_match_all('/'.$rule.'/is', trim($result[1][$i]), $tmp_matches);
  108. $callFunc = Tags::$prefix.ucfirst($tmp_matches[1][0]);
  109. if (method_exists('Tags', $callFunc)) {
  110. $html = Tags::$callFunc($tmp_matches[2][0]);
  111. if ($html !== false) {
  112. $this->html = str_ireplace($result[0][$i], $html, $this->html);
  113. }
  114. } unset($tmp_matches);
  115. }
  116. } break;
  117. }
  118. case 'trunk' : {
  119. for ($i = 0; $i $callFunc = Tags::$prefix.ucfirst($result[1][$i]);
  120. if (method_exists('Tags', $callFunc)) {
  121. $html = Tags::$callFunc($result[2][$i], $result[3][$i]);
  122. $this->html = str_ireplace($result[0][$i], $html, $this->html);
  123. }
  124. } break;
  125. }
  126. default: break;
  127. }
  128. } else {
  129. return false;
  130. }
  131. }
  132. private function RegHatchVars() {
  133. $this->SetPanelTags();
  134. }
  135. function __destruct() {}
  136. }
  137. ?>
复制代码

二、标签解析类：（暂时提供data、list两种标签的解析思路）

  2. /*
  3. * class: 标签解析类
  4. * author: 51JS.COM-ZMM
  5. * date: 2011.3.2
  6. * email: 304924248@qq.com
  7. * blog: http://www.cnblogs.com/cnzmm/
  8. * link: http://bbs.it-home.org
  9. */
  10. class Tags {
  11. static private $attrs=null;
  12. static public $file, $vars, $rule, $prefix='TAG_';
  13. static public function TAG_Syntax($html, $that) {
  14. $rule = $that->bTag.'if\s+([^'.$that->eFlag.']+)\s*'.$that->eFlag;
  15. $html = preg_replace('/'.$rule.'/ism', '', $html);
  16. $rule = $that->bTag.'elseif\s+([^'.$that->eFlag.']+)\s*'.$that->eFlag;
  17. $html = preg_replace('/'.$rule.'/ism', '', $html);
  18. $rule = $that->bTag.'else\s*'.$that->eFlag;
  19. $html = preg_replace('/'.$rule.'/ism', '', $html);
  20. $rule = $that->bTag.'loop\s+(\S+)\s+(\S+)\s*'.$that->eFlag;
  21. $html = preg_replace('/'.$rule.'/ism', '', $html);
  22. $rule = $that->bTag.'loop\s+(\S+)\s+(\S+)\s+(\S+)\s*'.$that->eFlag;
  23. $html = preg_replace('/'.$rule.'/ism', ' \\3) { ?>', $html);
  24. $rule = $that->eTag.'(if|loop)\s*'.$that->eFlag;
  25. $html = preg_replace('/'.$rule.'/ism', '', $html);
  26. $rule = $that->bTag.'php\s*'.$that->eFlag.'((?:(?!'.
  27. $that->bTag.')[\S\s]*?|(?R))*)'.$that->eTag.'php\s*'.$that->eFlag;
  28. $html = preg_replace('/'.$rule.'/ism', '', $html);
  29. return self::TAG_Execute($html);
  30. }
  31. static public function TAG_List($attr, $html) {
  32. if (!empty($html)) {
  33. if (self::TAG_HaveTag($html)) {
  34. return self::TAG_DealTag($attr, $html, true);
  35. } else {
  36. return self::TAG_GetData($attr, $html, true);
  37. }
  38. } else {
  39. exit('标签{list}的内容为空！');
  40. }
  41. }
  42. static public function TAG_Data($attr, $html) {
  43. if (!empty($html)) {
  44. if (self::TAG_HaveTag($html)) {
  45. return self::TAG_DealTag($attr, $html, false);
  46. } else {
  47. return self::TAG_GetData($attr, $html, false);
  48. }
  49. } else {
  50. exit('标签{data}的内容为空！');
  51. }
  52. }
  53. static public function TAG_Execute($html) {
  54. ob_clean(); ob_start();
  55. if (!empty(self::$vars)) {
  56. is_array(self::$vars) &&
  57. extract(self::$vars, EXTR_OVERWRITE);
  58. }
  59. $file_inc = WEBSITE_DIRINC.'/buffer/'.
  60. md5(uniqid(rand(), true)).'.php';
  61. if ($fp = fopen($file_inc, 'xb')) {
  62. fwrite($fp, $html);
  63. if (fclose($fp)) {
  64. include($file_inc);
  65. $html = ob_get_contents();
  66. } unset($fp);
  67. } else {
  68. exit('模板解析文件生成失败！');
  69. } ob_end_clean(); @unlink($file_inc);
  70. return $html;
  71. }
  72. static private function TAG_HaveTag($html) {
  73. $bool_has = false;
  74. $tpl_ins = new Template();
  75. self::$rule = $tpl_ins->bTag.'([^'.$tpl_ins->eFlag.']+)\/'.$tpl_ins->eFlag;
  76. $bool_has = $bool_has || preg_match('/'.self::$rule.'/ism', $html);
  77. self::$rule = $tpl_ins->bTag.'(\w+)\s*([^'.$tpl_ins->eFlag.']*?)'.$tpl_ins->eFlag.
  78. '((?:(?!'.$tpl_ins->bTag.')[\S\s]*?|(?R))*)'.$tpl_ins->eTag.'\\1\s*'.$tpl_ins->eFlag;
  79. $bool_has = $bool_has || preg_match('/'.self::$rule.'/ism', $html);
  80. unset($tpl_ins);
  81. return $bool_has;
  82. }
  83. static private function TAG_DealTag($attr, $html, $list) {
  84. preg_match_all('/'.self::$rule.'/ism', $html, $out_matches);
  85. if (!empty($out_matches[0])) {
  86. $child_node = array();
  87. for ($i = 0; $i $child_node[] = $out_matches[3][$i];
  88. $html = str_ireplace($out_matches[3][$i], '{-->>child_node_'.$i.'}
  89. $html = self::TAG_GetData($attr, $html, $list);
  90. for ($i = 0; $i $html = str_ireplace('{-->>child_node_'.$i.'}
  91. preg_match_all('/'.self::$rule.'/ism', $html, $tmp_matches);
  92. if (!empty($tmp_matches[0])) {
  93. for ($i = 0; $i $callFunc = self::$prefix.ucfirst($tmp_matches[1][$i]);
  94. if (method_exists('Tags', $callFunc)) {
  95. $temp = self::$callFunc($tmp_matches[2][$i], $tmp_matches[3][$i]);
  96. $html = str_ireplace($tmp_matches[0][$i], $temp, $html);
  97. }
  98. }
  99. }
  100. unset($tmp_matches);
  101. }
  102. unset($out_matches); return $html;
  103. }
  104. static private function TAG_GetData($attr, $html, $list=false) {
  105. if (!empty($attr)) {
  106. $attr_ins = new Attbt($attr);
  107. $attr_arr = $attr_ins->attrs;
  108. if (is_array($attr_arr)) {
  109. extract($attr_arr, EXTR_OVERWRITE);
  110. $source = table_name($source, $column);
  111. $rule = '\[field:\s*(\w+)\s*([^\]]*?)\s*\/?]';
  112. preg_match_all('/'.$rule.'/is', $html, $out_matches);
  113. $data_str = '';
  114. $data_ins = new DataSql();
  115. $attr_where = $attr_order = '';
  116. if (!empty($where)) {
  117. $where = str_replace(',', ' and ', $where);
  118. $attr_where = ' where '. $where;
  119. }
  120. if (!empty($order)) {
  121. $attr_order = ' order by '.$order;
  122. } else {
  123. $fed_name = '';
  124. $fed_ins = $data_ins->GetFedNeedle($source);
  125. $fed_cnt = $data_ins->GetFedCount($fed_ins);
  126. for ($i = 0; $i $fed_flag = $data_ins->GetFedFlag($fed_ins, $i);
  127. if (preg_match('/auto_increment/ism', $fed_flag)) {
  128. $fed_name = $data_ins->GetFedName($fed_ins, $i);
  129. break;
  130. }
  131. }
  132. if (!empty($fed_name))
  133. $attr_order = ' order by '.$fed_name.' desc';
  134. }
  135. if ($list == true) {
  136. if (empty($source) && empty($sql)) {
  137. exit('标签{list}必须指定source属性！');
  138. }
  139. $attr_rows = $attr_page = '';
  140. if ($rows > 0) {
  141. $attr_rows = ' limit 0,'.$rows;
  142. }
  143. if (!empty($sql)) {
  144. $data_sql = $sql;
  145. } else {
  146. $data_sql = 'select * from `'.$source.'`'.
  147. $attr_where.$attr_order.$attr_rows;
  148. }
  149. if ($pages=='true' && !empty($size)) {
  150. $data_num = $data_ins->GetRecNum($data_sql);
  151. $page_cnt = ceil($data_num / $size);
  152. global $page;
  153. if (!isset($page) || $page if ($page > $page_cnt) $page = $page_cnt;
  154. $data_sql = 'select * from `'.$source.'`'.$attr_where.
  155. $attr_order.' limit '.($page-1) * $size.','.$size;
  156. $GLOBALS['cfg_page_curr'] = $page;
  157. $GLOBALS['cfg_page_prev'] = $page - 1;
  158. $GLOBALS['cfg_page_next'] = $page + 1;
  159. $GLOBALS['cfg_page_nums'] = $page_cnt;
  160. if (function_exists('list_pagelink')) {
  161. $GLOBALS['cfg_page_list'] = list_pagelink($page, $page_cnt, 2);
  162. }
  163. }
  164. $data_idx = 0;
  165. $data_ret = $data_ins->SqlCmdExec($data_sql);
  166. while ($row = $data_ins->GetRecArr($data_ret)) {
  167. if ($skip > 0 && !empty($flag)) {
  168. $data_idx != 0 &&
  169. $data_idx % $skip == 0 &&
  170. $data_str .= $flag;
  171. }
  172. $data_tmp = $html;
  173. $data_tmp = str_ireplace('@idx', $data_idx, $data_tmp);
  174. for ($i = 0; $i $data_tmp = str_ireplace($out_matches[0][$i],
  175. $row[$out_matches[1][$i]], $data_tmp);
  176. }
  177. $data_str .= $data_tmp; $data_idx ++;
  178. }
  179. } else {
  180. if (empty($source)) {
  181. exit('标签{data}必须指定source属性！');
  182. }
  183. $data_sql = 'select * from `'.$source.
  184. '`'.$attr_where.$attr_order;
  185. $row = $data_ins->GetOneRec($data_sql);
  186. if (is_array($row)) {
  187. $data_tmp = $html;
  188. for ($i = 0; $i $data_val = $row[$out_matches[1][$i]];
  189. if (empty($out_matches[2][$i])) {
  190. $data_tmp = str_ireplace($out_matches[0][$i], $data_val, $data_tmp);
  191. } else {
  192. $attr_str = $out_matches[2][$i];
  193. $attr_ins = new Attbt($attr_str);
  194. $func_txt = $attr_ins->attrs['function'];
  195. if (!empty($func_txt)) {
  196. $func_tmp = explode('(', $func_txt);
  197. if (function_exists($func_tmp[0])) {
  198. eval('$func_ret ='.str_ireplace('@me',
  199. '\''.$data_val.'\'', $func_txt));
  200. $data_tmp = str_ireplace($out_matches[0][$i], $func_ret, $data_tmp);
  201. } else {
  202. exit('调用了不存在的函数！');
  203. }
  204. } else {
  205. exit('标签设置属性无效！');
  206. }
  207. }
  208. }
  209. $data_str .= $data_tmp;
  210. }
  211. }
  212. unset($data_ins);
  213. return $data_str;
  214. } else {
  215. exit('标签设置属性无效！');
  216. }
  217. } else {
  218. exit('没有设置标签属性！');
  219. }
  220. }
  221. static public function __callStatic($name, $args) {
  222. exit('标签{'.$name.'}不存在！');
  223. }
  224. }
  225. ?>
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