js整数字符串转换为金额类型数据(示例代码)

function zhen(str) {      var arr_1 = ["", "\u62fe", "\u4f70", "\u4edf", "\u4e07", "\u4ebf"], arr_2 = ["", "\u4e07", "\u4ebf"];      var maskstr = arr_1.slice(1).join("");      var arr2 = ["\u96f6", "\u58f9", "\u8d30", "\u53c1", "\u8086", "\u4f0d", "\u9646", "\u67d2", "\u634c", "\u7396"];      var arr3 = new Array;      var arr = str.split("");      arr.reverse();      var _step_ = 4;      var _index_ = 0;      var int1 = 0, int2 = 0;      // var       for (var i = 0; i < arr.length; i++) {          _index_ = i;          int1 = _index_ % _step_;          int2 = parseInt(_index_ / _step_);          if (int2 > 0 & int1 == 0) {              if (maskstr.indexOf(arr3[arr3.length - 1]) != -1) {                  arr3.pop();              }              arr3.push(arr_2[int2]);          }          if (arr[i] > 0) {              if (int1 > 0) {                  arr3.push(arr_1[int1]);              }          }          arr3.push(arr2[arr[i]]);      }      arr3.reverse();      <SPAN style="FONT-FAMILY: Consolas, 'Lucida Console', monospace; WHITE-SPACE: pre-wrap; COLOR: rgb(0,128,255)">return arr3.join("");</SPAN>  }