有关php mvc模式的模板引擎开发经验分享

2. /*
3. * class: 模板解析类
4. * author: 51JS.COM-ZMM
5. * date: 2011.3.1
6. * email: [e-mail]
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. ?>

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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: [e-mail]
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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