JSON例子：把数值型日期改为中文

      <script>
          var Date="2017-02-28"
          function switchDate(olddate){
            var singular={
                "0":"零",
                "1":"一",
                "2":"二",
                "3":"三",
                "4":"四",
                "5":"五",
                "6":"六",
                "7":"七",
                "8":"八",
                "9":"九",
            }
            var double={
                "00":"零",
                "01":"一",
                "02":"二",
                "03":"三",
                "04":"四",
                "05":"五",
                "06":"六",
                "07":"七",
                "08":"八",
                "09":"九",
            }
           var dates=olddate.split("-");
           /*
            * 年
            */
           var year=dates[0].split("");
           for(var j=0;j<year.length;j++){
              year[j]=singular[year[j]];
           }
           var cYear=year.join("")+"年";
           /*
            * 月和日
            */
           function switchMandD(str){
            var dates=[];
            var dateD=str.split("");
            if(dateD[0]=="0"){
                var dateSingular=dateD.join("");
                if(double[dateSingular]){
                    dateSingular=double[dateSingular];
                }
                dates=dateSingular.split("");
            }else{
                for (var i=0;i<dateD.length;i++) {
                    dateD[i]=singular[dateD[i]];
                }
                dates=dateD
                }
                return dates;
            };
          var cMounth=switchMandD(dates[1]).join("")+"月";
          var cDate=switchMandD(dates[2]).join("")+"日";
          
          var cdate=cYear+cMounth+cDate;
          return cdate;
           }
          console.log(switchDate(Date));
    </script>

输出结果：

图片.png