dedecms织梦获得首字母或拼音的方法,并实现文章列表按首字母归类

`01`	`if(ord($row['title'])>128) {` `//汉字开头`

02

`03`	`$letter=getfirstchar2($row['title']);`

04

`05`	`}elseif(ord($row['title'])>=48` `andord($row['title'])<=57){` `//数字开头`

06

`07`	`$letter=iconv_substr($title,0,1,'utf-8');`

08

`09`	`}elseif(ord($row['title'])>=65` `andord($row['title'])<=90){` `//大写英文开头`

10

`11`	`$letter=iconv_substr($row['title'],0,1,'utf-8');`

12

13

`14`	`}elseif(ord($row['title'])>=97` `andord($row['title'])<=122){` `//小写英文开头`

15

`16`	`$letter=iconv_substr($row['title'],0,1,'utf-8');`

`17`	`$letter=strtoupper($letter);//字母转换成大写`

18 }

19

`20`	`print_r($letter);exit;`

`21`	`functiongetfirstchar2($s0){`

`22`	`$s=iconv("UTF-8","gb2312",` `$s0);`

`23`	`$asc=ord($s{0})*256+ord($s{1})-65536;`

`24`	`if($asc>=-20319` `and$asc<=-20284)return"A";`

`25`	`if($asc>=-20283` `and$asc<=-19776)return"B";`

`26`	`if($asc>=-19775` `and$asc<=-19219)return"C";`

`27`	`if($asc>=-19218` `and$asc<=-18711)return"D";`

`28`	`if($asc>=-18710` `and$asc<=-18527)return"E";`

`29`	`if($asc>=-18526` `and$asc<=-18240)return"F";`

`30`	`if($asc>=-18239` `and$asc<=-17923)return"G";`

`31`	`if($asc>=-17922` `and$asc<=-17418)return"H";`

`32`	`if($asc>=-17417` `and$asc<=-16475)return"J";`

`33`	`if($asc>=-16474` `and$asc<=-16213)return"K";`

`34`	`if($asc>=-16212` `and$asc<=-15641)return"L";`

`35`	`if($asc>=-15640` `and$asc<=-15166)return"M";`

`36`	`if($asc>=-15165` `and$asc<=-14923)return"N";`

`37`	`if($asc>=-14922` `and$asc<=-14915)return"O";`

`38`	`if($asc>=-14914` `and$asc<=-14631)return"P";`

`39`	`if($asc>=-14630` `and$asc<=-14150)return"Q";`

`40`	`if($asc>=-14149` `and$asc<=-14091)return"R";`

`41`	`if($asc>=-14090` `and$asc<=-13319)return"S";`

`42`	`if($asc>=-13318` `and$asc<=-12839)return"T";`

`43`	`if($asc>=-12838` `and$asc<=-12557)return"W";`

`44`	`if($asc>=-12556` `and$asc<=-11848)return"X";`

`45`	`if($asc>=-11847` `and$asc<=-11056)return"Y";`

`46`	`if($asc>=-11055` `and$asc<=-10247)return"Z";`

`47`	`returnfalse;`

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