1. /*随机数范围*/ 
    3. random (min, max) { 
    5.     if (arguments.length === 2) { 
    7.         return Math.floor(min + Math.random() * ( (max+1) - min )) 
    9.     }else{ 
    11.         return null; 
    13.     } 
    17. } 
    21. /*将阿拉伯数字翻译成中文的大写数字*/ 
    23. numberToChinese (num) { 
    25.     var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十"); 
    27.     var BB = new Array("", "十", "百", "仟", "萬", "億", "点", ""); 
    29.     var a = ("" + num).replace(/(^0*)/g, "").split("."), 
    31.         k = 0, 
    33.         re = ""; 
    35.     for(var i = a[0].length - 1; i >= 0; i--) { 
    37.         switch(k) { 
    39.             case 0: 
    41.                 re = BB[7] + re; 
    43.                 break; 
    45.             case 4: 
    47.                 if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$") 
    49.                     .test(a[0])) 
    51.                     re = BB[4] + re; 
    53.                 break; 
    55.             case 8: 
    57.                 re = BB[5] + re; 
    59.                 BB[7] = BB[5]; 
    61.                 k = 0; 
    63.                 break; 
    65.         } 
    67.         if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0) 
    69.             re = AA[0] + re; 
    71.         if(a[0].charAt(i) != 0) 
    73.             re = AA[a[0].charAt(i)] + BB[k % 4] + re; 
    75.         k++; 
    77.     } 
    81.     if(a.length > 1) // 加上小数部分(如果有小数部分) 
    83.     { 
    85.         re += BB[6]; 
    87.         for(var i = 0; i < a[1].length; i++) 
    89.             re += AA[a[1].charAt(i)]; 
    91.     } 
    93.     if(re == '一十') 
    95.         re = "十"; 
    97.     if(re.match(/^一/) && re.length == 3) 
    99.         re = re.replace("一", ""); 
    101.     return re; 
    103. } 
    107. /*将数字转换为大写金额*/ 
    109. changeToChinese (Num) { 
    111.         //判断如果传递进来的不是字符的话转换为字符 
    113.         if(typeof Num == "number") { 
    115.             Num = new String(Num); 
    117.         }; 
    119.         Num = Num.replace(/,/g, "") //替换tomoney()中的“,” 
    121.         Num = Num.replace(/ /g, "") //替换tomoney()中的空格 
    123.         Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符 
    125.         if(isNaN(Num)) { //验证输入的字符是否为数字 
    127.             //alert("请检查小写金额是否正确"); 
    129.             return ""; 
    131.         }; 
    133.         //字符处理完毕后开始转换，采用前后两部分分别转换 
    135.         var part = String(Num).split("."); 
    137.         var newchar = ""; 
    139.         //小数点前进行转化 
    141.         for(var i = part[0].length - 1; i >= 0; i--) { 
    143.             if(part[0].length > 10) { 
    145.                 return ""; 
    147.                 //若数量超过拾亿单位，提示 
    149.             } 
    151.             var tmpnewchar = "" 
    153.             var perchar = part[0].charAt(i); 
    155.             switch(perchar) { 
    157.                 case "0": 
    159.                     tmpnewchar = "零" + tmpnewchar; 
    161.                     break; 
    163.                 case "1": 
    165.                     tmpnewchar = "壹" + tmpnewchar; 
    167.                     break; 
    169.                 case "2": 
    171.                     tmpnewchar = "贰" + tmpnewchar; 
    173.                     break; 
    175.                 case "3": 
    177.                     tmpnewchar = "叁" + tmpnewchar; 
    179.                     break; 
    181.                 case "4": 
    183.                     tmpnewchar = "肆" + tmpnewchar; 
    185.                     break; 
    187.                 case "5": 
    189.                     tmpnewchar = "伍" + tmpnewchar; 
    191.                     break; 
    193.                 case "6": 
    195.                     tmpnewchar = "陆" + tmpnewchar; 
    197.                     break; 
    199.                 case "7": 
    201.                     tmpnewchar = "柒" + tmpnewchar; 
    203.                     break; 
    205.                 case "8": 
    207.                     tmpnewchar = "捌" + tmpnewchar; 
    209.                     break; 
    211.                 case "9": 
    213.                     tmpnewchar = "玖" + tmpnewchar; 
    215.                     break; 
    217.             } 
    219.             switch(part[0].length - i - 1) { 
    221.                 case 0: 
    223.                     tmpnewchar = tmpnewchar + "元"; 
    225.                     break; 
    227.                 case 1: 
    229.                     if(perchar != 0) tmpnewchar = tmpnewchar + "拾"; 
    231.                     break; 
    233.                 case 2: 
    235.                     if(perchar != 0) tmpnewchar = tmpnewchar + "佰"; 
    237.                     break; 
    239.                 case 3: 
    241.                     if(perchar != 0) tmpnewchar = tmpnewchar + "仟"; 
    243.                     break; 
    245.                 case 4: 
    247.                     tmpnewchar = tmpnewchar + "万"; 
    249.                     break; 
    251.                 case 5: 
    253.                     if(perchar != 0) tmpnewchar = tmpnewchar + "拾"; 
    255.                     break; 
    257.                 case 6: 
    259.                     if(perchar != 0) tmpnewchar = tmpnewchar + "佰"; 
    261.                     break; 
    263.                 case 7: 
    265.                     if(perchar != 0) tmpnewchar = tmpnewchar + "仟"; 
    267.                     break; 
    269.                 case 8: 
    271.                     tmpnewchar = tmpnewchar + "亿"; 
    273.                     break; 
    275.                 case 9: 
    277.                     tmpnewchar = tmpnewchar + "拾"; 
    279.                     break; 
    281.             } 
    283.             var newchar = tmpnewchar + newchar; 
    285.         } 
    287.         //小数点之后进行转化 
    289.         if(Num.indexOf(".") != -1) { 
    291.             if(part[1].length > 2) { 
    293.                 // alert("小数点之后只能保留两位,系统将自动截断"); 
    295.                 part[1] = part[1].substr(0, 2) 
    297.             } 
    299.             for(i = 0; i < part[1].length; i++) { 
    301.                 tmpnewchar = "" 
    303.                 perchar = part[1].charAt(i) 
    305.                 switch(perchar) { 
    307.                     case "0": 
    309.                         tmpnewchar = "零" + tmpnewchar; 
    311.                         break; 
    313.                     case "1": 
    315.                         tmpnewchar = "壹" + tmpnewchar; 
    317.                         break; 
    319.                     case "2": 
    321.                         tmpnewchar = "贰" + tmpnewchar; 
    323.                         break; 
    325.                     case "3": 
    327.                         tmpnewchar = "叁" + tmpnewchar; 
    329.                         break; 
    331.                     case "4": 
    333.                         tmpnewchar = "肆" + tmpnewchar; 
    335.                         break; 
    337.                     case "5": 
    339.                         tmpnewchar = "伍" + tmpnewchar; 
    341.                         break; 
    343.                     case "6": 
    345.                         tmpnewchar = "陆" + tmpnewchar; 
    347.                         break; 
    349.                     case "7": 
    351.                         tmpnewchar = "柒" + tmpnewchar; 
    353.                         break; 
    355.                     case "8": 
    357.                         tmpnewchar = "捌" + tmpnewchar; 
    359.                         break; 
    361.                     case "9": 
    363.                         tmpnewchar = "玖" + tmpnewchar; 
    365.                         break; 
    367.                 } 
    369.                 if(i == 0) tmpnewchar = tmpnewchar + "角"; 
    371.                 if(i == 1) tmpnewchar = tmpnewchar + "分"; 
    373.                 newchar = newchar + tmpnewchar; 
    375.             } 
    377.         } 
    379.         //替换所有无用汉字 
    381.         while(newchar.search("零零") != -1) 
    383.             newchar = newchar.replace("零零", "零"); 
    385.         newchar = newchar.replace("零亿", "亿"); 
    387.         newchar = newchar.replace("亿万", "亿"); 
    389.         newchar = newchar.replace("零万", "万"); 
    391.         newchar = newchar.replace("零元", "元"); 
    393.         newchar = newchar.replace("零角", ""); 
    395.         newchar = newchar.replace("零分", ""); 
    397.         if(newchar.charAt(newchar.length - 1) == "元") { 
    399.             newchar = newchar + "整" 
    401.         } 
    403.         return newchar; 
    405.     }