js怎么根据oracle导出的xml文件做省市联动下拉框

Question

<ROW>
<C0>1</C0>
<PROVINCE_CODE>34  </PROVINCE_CODE>
<PROVINCE_NAME>&#23433;&#24509;&#30465;                                            </PROVINCE_NAME>
<CITY_CODE>3671</CITY_CODE>
<CITY_NAME>&#38108;&#38517;&#21439;                                            </CITY_NAME>
</ROW> <ROW>
<C0>2</C0>
<PROVINCE_CODE>34  </PROVINCE_CODE>
<PROVINCE_NAME>&#23433;&#24509;&#30465;                                            </PROVINCE_NAME>
<CITY_CODE>3681</CITY_CODE>
<CITY_NAME>&#26704;&#22478;&#24066;                                            </CITY_NAME>
</ROW> <ROW>
<C0>3</C0>
<PROVINCE_CODE>33  </PROVINCE_CODE>
<PROVINCE_NAME>&#27993;&#27743;&#30465;                                            </PROVINCE_NAME>
<CITY_CODE>3351</CITY_CODE>
<CITY_NAME>&#22025;&#21892;&#21439;                                            </CITY_NAME>
</ROW> <ROW>
<C0>4</C0>
<PROVINCE_CODE>34  </PROVINCE_CODE>
<PROVINCE_NAME>&#27993;&#27743;&#30465;                                            </PROVINCE_NAME>
<CITY_CODE>3352</CITY_CODE>
<CITY_NAME>&#24179;&#28246;&#24066;                                            </CITY_NAME>
</ROW>

Answer 1

ajax加载xml。获取responseXML属性，xmldom对象，然后按照dom的方法来解析，getElementsByTagName之类的方法获取元素转为json对象后进行联动javascript加载xml文件
javascript省市县三级联动示例