1     //自动补全
 2     //不限输入汉字的前后顺序: 输入"国三杀" => 输出 "三国杀"
 3     function getAutoComplate()
 4     {
 5         //$word = $this->input->post('word');
 6         $word = '三国';
 7         if (empty($word)) {
 8             exit('0');
 9         }
10         $intWordLength = mb_strlen($word, 'UTF-8');
11
12         $this->load->library('iredis');
13         if (1 == $intWordLength) {
14             $arrGid = $this->iredis->getAutoComplate($word);
15         } else {
16             $arrGid = array();
17             for ($i=0; $i < $intWordLength; $i++) {
18                 $strOne = mb_substr($word, $i, 1, 'UTF-8');
19                 $arrGidTmp = $this->iredis->getAutoComplate($strOne);
20                 $arrGid = empty($arrGid) ? $arrGidTmp : array_intersect($arrGid, $arrGidTmp); //求交集,因为传入的参数个数不确定,因此不能直接求交集
21             }
22         }
23
24         $arrGame = $this->gamemodel->getGameNameForAutoComplate($arrGid);
25         // var_dump($arrGame);exit;
26         $jsonGame = json_encode($arrGame);
27         exit($jsonGame);
28     }
29
30     //自动补全, 建立索引
31     function setAutoComplate()
32     {
33         $arrGame = $this->gamemodel->getAllGameNameForAutoComplate();
34         $arrIndex = array();
35         foreach ($arrGame as $gid => $gname) {
36             $intGnameLength = mb_strlen($gname, 'UTF-8');
37             for ($i=0; $i < $intGnameLength; $i++) {
38                 $strOne = mb_substr($gname, $i, 1, 'UTF-8');
39                 $arrIndex[$strOne][] = $gid;
40             }
41         }
42
43         $this->load->library('iredis');
44         foreach ($arrIndex as $word => $arrGid) {
45             foreach ($arrGid as $gid) {
46                 $this->iredis->setAutoComplate($word, $gid);
47             }
48         }
49
50     }

 1     //自动补全功能
 2     public function setAutoComplate($key, $value)
 3     {
 4         $youxikey = 'youxi_'.$key;
 5         $this->sAdd($youxikey, $value);
 6     }
 7
 8     //自动补全功能
 9     public function getAutoComplate($key)
10     {
11         $youxikey = 'youxi_'.$key;
12         return $this->sMembers($youxikey);
13     }