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织梦获得首字母方法,并实现文章列表按首字母归类

作者:king 日期:2023-05-13 分类:CMS教程

方法一,织梦默认有这个函数,在include/inc/inc_fun_funAdmin.PHP中.即SpGetPinyin()
但他只能得到全拼,没法得到首字母,
用法举例
$pingyin=GetPinyin($row['title'],0,1);
$a=substr(GetPinyin($row['title']),0,1);//得到拼音首字母
方法二,如果你只想得到首字母,不需要全拼,还可以用以下函数得到首字母

01 if (ord($row['title'])>128) { //汉字开头
02  $letter=getfirstchar2($row['title']);
03 }else if(ord($row['title'])>=48 and ord($row['title'])<=57){ //数字开头
04 $letter=iconv_substr($title,0,1,'utf-8');
05 }
06 else if(ord($row['title'])>=65 and ord($row['title'])<=90){ //大写英文开头
07 $letter=iconv_substr($row['title'],0,1,'utf-8');
08 }else if(ord($row['title'])>=97 and ord($row['title'])<=122){ //小写英文开头
09 $letter=iconv_substr($row['title'],0,1,'utf-8');
10 $letter=strtoupper($letter);//字母转换成大写
11 }
12 print_r($letter);exit;
13  function getfirstchar2($s0){
14 $s=iconv("UTF-8","gb2312", $s0); 
15 $asc=ord($s{0})*256+ord($s{1})-65536; 
16 if($asc>=-20319 and $asc<=-20284)return "A"
17 if($asc>=-20283 and $asc<=-19776)return "B"
18 if($asc>=-19775 and $asc<=-19219)return "C"
19 if($asc>=-19218 and $asc<=-18711)return "D"
20 if($asc>=-18710 and $asc<=-18527)return "E"
21 if($asc>=-18526 and $asc<=-18240)return "F"
22 if($asc>=-18239 and $asc<=-17923)return "G"
23 if($asc>=-17922 and $asc<=-17418)return "H"
24 if($asc>=-17417 and $asc<=-16475)return "J"
25 if($asc>=-16474 and $asc<=-16213)return "K"
26 if($asc>=-16212 and $asc<=-15641)return "L"
27 if($asc>=-15640 and $asc<=-15166)return "M"
28 if($asc>=-15165 and $asc<=-14923)return "N"
29 if($asc>=-14922 and $asc<=-14915)return "O"
30 if($asc>=-14914 and $asc<=-14631)return "P"
31 if($asc>=-14630 and $asc<=-14150)return "Q"
32 if($asc>=-14149 and $asc<=-14091)return "R"
33 if($asc>=-14090 and $asc<=-13319)return "S"
34 if($asc>=-13318 and $asc<=-12839)return "T"
35 if($asc>=-12838 and $asc<=-12557)return "W"
36 if($asc>=-12556 and $asc<=-11848)return "X"
37 if($asc>=-11847 and $asc<=-11056)return "Y"
38 if($asc>=-11055 and $asc<=-10247)return "Z"
39 return false
40 }

三,如何实现文章列表中,按首字母进行归类归档排序?下面是完整代码

织梦获得首字母方法,并实现文章列表按首字母归类

01 <div class="container padding-big"style="min-height:200px;">
02 <p>{dede:type }[field:typename/]{/dede:type}</p>
03 <div>
04 {dede:php} 
05 $sql = "select arc.id,arc.writer,arc.typeid, arc.title, arc.senddate,tp.sitepath,tp.namerule,tp.
typedir from dede_archives  arc  left join `dede_arctype` tp on arc.typeid=tp.id where arc.
typeid=2"
;
06  $dsql->SetQuery($sql);
07 $dsql->Execute();//执行SQL操作
08 while($row = $dsql->GetArray()){
09 //print_r($row['title']);exit;
10 //$pingyin=GetPinyin($row['title'],0,1);
11 $letter=substr(GetPinyin($row['title']),0,1);//取得拼音首字母
12 $letter=strtoupper($letter);
13   
14 $arr[$letter]['writer'][]=$row["writer"];
15 $arr[$letter]['url'][]=GetFileUrl($row['id'],$row['typeid'],$row['senddate'],$row['title'],0,0,$row['namerule'],$row
[
'typedir'],0, '',0,'',$row['sitepath']);
16 $arr[$letter]['title'][]=$row["title"];       
17
18 ksort($arr);//字母排序
19 //print_r($arr);exit;
20 $b=1;
21 foreach($arr as $k=>$v){
22   
23 //print_r($v);exit;
24 echo '<div><p class="padding-left bg-eee st">'.strtoupper($k).'</p>';
25 for ($x=0; $x<count($v['title']); $x++) {
26    echo '<a href="'.$v[url][$x].'"><strong>'. $v[title][$x].'</strong></a><br/><hr/>';
27               
28         }    
29             echo '<br/></div>';// print_r($b%4);
30              if($b%3==0){echo '<hr></hr>';//hr{background:#ddd;color:#ddd;clear:both;float:none;width:100%;height:1px;
margin:10px 0;
31              border:none;-moz-box-sizing:content-box;box-sizing:content-box;}hr.space{background:#fff;color:#fff;visibility:hidden;}hr的css,强制换行,防止错位
 
32              }
33              $b++;
34              }
35 {/dede:php}
36 </div>
37 </div>

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