将数字转化成对应的汉字

 1 /**
 2   * 数字转化成对应的汉字 mun2ch( 1 );
 3   * @param unknown $num
 4   * @param string $mode
 5   * @return string  
 6   */
 7  
 8  public function num2ch($num) //整体读取转换
 9  {
10   $num_real = $this->del0($num);//去掉前面的“0”
11   $numlen = strlen($num_real);
12  
13   if($numlen >= 9)//如果满九位，读取“亿”位
14   {
15    $y=substr($num_real, -9, 1);
16    //echo $y;
17    $wsbq = substr($num_real, -8, 4);
18    $gsbq = substr($num_real, -4);
19    $a = $this->num_r($this->del0($gsbq));
20    $b = $this->num_r($this->del0($wsbq))."万";
21    $c = $this->num_r($this->del0($y))."亿";
22   }
23   elseif($numlen <= 8 && $numlen >= 5) //如果大于等于“万”
24   {
25    $wsbq = substr($num_real, 0, $numlen-4);
26    $gsbq = substr($num_real, -4);
27    $a = $this->num_r($this->del0($gsbq));
28    $b = $this->num_r($this->del0($wsbq))."万";
29    $c="";
30   }
31   elseif($numlen <= 4) //如果小于等于“千”
32   {
33    $gsbq = substr( $num_real, -$numlen);
34    $a = $this->num_r($this->del0($gsbq));
35    $b="";
36    $c="";
37   }
38   $ch_num = $c.$b.$a;
39  
40   return $ch_num ;
41  }
42  
43  public function del0($num) //去掉数字段前面的0
44  {
45   return "".intval($num);
46  }
47  
48  public function n2c($x) //单个数字变汉字
49  {
50   $arr_n = array("零","一","二","三","四","五","六","七","八","九","十");
51   return $arr_n[$x];
52  }
53  
54  
55  public function num_r($abcd) //读取数值（4位）
56  {
57   $arr= array();
58   $str = ""; //读取后的汉字数值
59   $flag = 0; //该位是否为零
60   $flag_end = 1; //是否以“零”结尾
61   $size_r = strlen($abcd);
62   for($i=0; $i<$size_r; $i++)
63   {
64    $arr[$i] = $abcd{$i};
65   }
66   $arrlen = count($arr);
67   for($j=0; $j<$arrlen; $j++)
68   {
69    $ch = $this->n2c($arr[$arrlen-1-$j]); //从后向前转汉字
70    
71    if($ch == "零" && $flag == 0)
72    { //如果是第一个零
73     $flag = 1; //该位为零
74     $str = $ch.$str; //加入汉字数值字符串
75     continue;
76    }
77    elseif($ch == "零")
78    { //如果不是第一个零了
79     continue;
80    }
81    $flag = 0; //该位不是零
82    switch($j)
83    {
84     case 0: $str = $ch; $flag_end = 0; break; //第一位（末尾），没有以“零”结尾
85     case 1: $str = $ch."十".$str; break; //第二位
86     case 2: $str = $ch."百".$str; break; //第三位
87     case 3: $str = $ch."千".$str; break; //第四位
88    }
89   }
90   if($flag_end == 1) //如果以“零”结尾
91   {
92    mb_internal_encoding("UTF-8");
93    $str = mb_substr($str, 0, mb_strlen($str)-1); //把“零”去掉
94   }
95   return $str;
96  }