1、后台的一些bug修复

2、内核更新
3、后台的扩展模型做了一点更新一点，还不够完善

application/common.php

@@ -983,26 +983,6 @@ function get_category_child($id){
     return array_unique($ids);
 }
 
-function getContentNav($type, $info){
-    $data = array();
-
-    $map['model_id'] = $info['model_id'];
-    $map['category_id'] = $info['category_id'];
-    if ($type == 'prev') {
-        $map['id'] = array('gt',$info['id']);
-        $data = db('Document')->where($map)->order('id desc')->find();
-    }elseif ($type == 'next') {
-        $map['id'] = array('lt',$info['id']);
-        $data = db('Document')->where($map)->order('id asc')->find();
-    }
-    if (!empty($data)) {
-        $html = '<a href="' . url('index/content/detail',array('model_id'=>$info['model_id'], 'id'=>$data['id'])) . '">' . $data['title'] . '</a>';
-    }else{
-        $html = '没有了……';
-    }
-    return $html;
-}
-
 function send_email($to, $subject, $message){
     $config = array(
         'protocol'  => 'smtp',
@@ -1018,4 +998,56 @@ function send_email($to, $subject, $message){
     $email->message($message);
 
     return $email->send();
+}
+
+//php获取中文字符拼音首字母
+function getFirstCharter($s0){
+    $fchar = ord($s0{0});
+    if($fchar >= ord("A") and $fchar <= ord("z") )return strtoupper($s0{0});
+    $s1 = \iconv("UTF-8","gb2312", $s0);
+    $s2 = \iconv("gb2312","UTF-8", $s1);
+    if($s2 == $s0){$s = $s1;}else{$s = $s0;}
+    $asc = ord($s{0}) * 256 + ord($s{1}) - 65536;
+    if($asc >= -20319 and $asc <= -20284) return "A";
+    if($asc >= -20283 and $asc <= -19776) return "B";
+    if($asc >= -19775 and $asc <= -19219) return "C";
+    if($asc >= -19218 and $asc <= -18711) return "D";
+    if($asc >= -18710 and $asc <= -18527) return "E";
+    if($asc >= -18526 and $asc <= -18240) return "F";
+    if($asc >= -18239 and $asc <= -17923) return "G";
+    if($asc >= -17922 and $asc <= -17418) return "H";
+    if($asc >= -17417 and $asc <= -16475) return "J";
+    if($asc >= -16474 and $asc <= -16213) return "K";
+    if($asc >= -16212 and $asc <= -15641) return "L";
+    if($asc >= -15640 and $asc <= -15166) return "M";
+    if($asc >= -15165 and $asc <= -14923) return "N";
+    if($asc >= -14922 and $asc <= -14915) return "O";
+    if($asc >= -14914 and $asc <= -14631) return "P";
+    if($asc >= -14630 and $asc <= -14150) return "Q";
+    if($asc >= -14149 and $asc <= -14091) return "R";
+    if($asc >= -14090 and $asc <= -13319) return "S";
+    if($asc >= -13318 and $asc <= -12839) return "T";
+    if($asc >= -12838 and $asc <= -12557) return "W";
+    if($asc >= -12556 and $asc <= -11848) return "X";
+    if($asc >= -11847 and $asc <= -11056) return "Y";
+    if($asc >= -11055 and $asc <= -10247) return "Z";
+    return null;
+}
+
+function PyFirst($zh){
+    $ret = "";
+    $s1 = \iconv("UTF-8","gb2312", $zh);
+    $s2 = \iconv("gb2312","UTF-8", $s1);
+    if($s2 == $zh){$zh = $s1;}
+    for($i = 0; $i < strlen($zh); $i++){
+        $s1 = substr($zh,$i,1);
+        $p = ord($s1);
+        if($p > 160){
+            $s2 = substr($zh,$i++,2);
+            $ret .= getFirstCharter($s2);
+        }else{
+            $ret .= $s1;
+        }
+    }
+    return $ret;
 }