js阿拉伯数字转成汉字-白红宇

function num2Cn(num){        var chnNumChar         = ["零","一","二","三","四","五","六","七","八","九"];        var chnUnitSection     = ["","万","亿","万亿","亿亿"];        var chnUnitChar     = ["","十","百","千"];        var unitPos = 0;        var strIns = '', chnStr = '';        var needZero = false;                  if(num === 0){           return chnNumChar[0];        }        while(num > 0){            var section = num % 10000;            if(needZero){                  chnStr = chnNumChar[0] + chnStr;            }            strIns = SectionToChinese(section);            strIns += (section !== 0) ? chnUnitSection[unitPos] : chnUnitSection[0];            chnStr = strIns + chnStr;            needZero = (section < 1000) && (section > 0);            num = Math.floor(num / 10000);            unitPos++;          }           return chnStr;        }    function SectionToChinese(section){          var chnNumChar         = ["零","一","二","三","四","五","六","七","八","九"];          var chnUnitSection     = ["","万","亿","万亿","亿亿"];          var chnUnitChar     = ["","十","百","千"];          var strIns = '', chnStr = '';          var unitPos = 0;          var zero = true;          while(section > 0){            var v = section % 10;            if(v === 0){              if(!zero){                zero = true;                chnStr = chnNumChar[v] + chnStr;              }            } else{              zero = false;              strIns = chnNumChar[v];              strIns += chnUnitChar[unitPos];              chnStr = strIns + chnStr;            }            unitPos++;            section = Math.floor(section / 10);        }          return chnStr;     }复制代码