PHP 数値を漢字に変換する関数アルゴリズム
数字を漢字に変換する PHP 関数
/*********************数字转汉字***********************/ function del0($num) //去掉数字段前面的0 { return "".intval($num); } function n2c($x) //单个数字变汉字 { $arr_n = array("零","一","二","三","四","五","六","七","八","九","十"); return $arr_n[$x]; } function num_r($abcd) //读取数值(4位) { $arr= array(); $str = ""; //读取后的汉字数值 $flag = 0; //该位是否为零 $flag_end = 1; //是否以"零"结尾 $size_r = strlen($abcd); for($i=0; $i<$size_r; $i++) { $arr[$i] = $abcd{$i}; } $arrlen = count($arr); for($j=0; $j<$arrlen; $j++) { $ch = n2c($arr[$arrlen-1-$j]); //从后向前转汉字 //echo $ch; //echo "<br>"; if($ch == "零" && $flag == 0){ //如果是第一个零 $flag = 1; //该位为零 $str = $ch.$str; //加入汉字数值字符串 continue; }elseif($ch == "零"){ //如果不是第一个零了 continue; } $flag = 0; //该位不是零 switch($j) { case 0: $str = $ch; $flag_end = 0; break; //第一位(末尾),没有以"零"结尾 case 1: $str = $ch."十".$str; break; //第二位 case 2: $str = $ch."百".$str; break; //第三位 case 3: $str = $ch."千".$str; break; //第四位 } } if($flag_end == 1) //如果以"零"结尾 { mb_internal_encoding("UTF-8"); $str = mb_substr($str, 0, mb_strlen($str)-1); //把"零"去掉 } if($arrlen == 2 && $arr[0] == 1){ $str = substr($str,2); } return $str; } function num2ch($num) //整体读取转换 { $num_real = del0($num);//去掉前面的"0" $numlen = strlen($num_real); //echo "numlen=".$numlen."<br>"; if($numlen >= 9)//如果满九位,读取"亿"位 { $y=substr($num_real, -9, 1); //echo $y; $wsbq = substr($num_real, -8, 4); $gsbq = substr($num_real, -4); $a = num_r(del0($gsbq)); $b = num_r(del0($wsbq))."万"; $c = num_r(del0($y))."亿"; }elseif($numlen <= 8 && $numlen >= 5) //如果大于等于"万" { $wsbq = substr($num_real, 0, $numlen-4); $gsbq = substr($num_real, -4); $a = num_r(del0($gsbq)); $b = num_r(del0($wsbq))."万"; $c=""; }elseif($numlen <= 4) //如果小于等于"千" { $gsbq = substr( $num_real, -$numlen); $a = num_r(del0($gsbq)); $b=""; $c=""; } $ch_num = $c.$b.$a; return $ch_num; } /******************数字转汉字结束********************/