struts2+json在firefox中乱码

Question

Ajax代码片段：function searchSpeciality(){
createXMLHttpRequest();
xmlhttp.onreadystatechange=handleStateChange;
xmlhttp.open("POST","searchSpeciality.action?school="+document.getElementById("same").value+"&al="+document.getElementById("al").value+"&time="+new Date(),true);
xmlhttp.send("");
}Struts2中json：      <action name="searchSpeciality" class="specialityAction" method="findBySchoolAl">
         <result type="json">
           <param name="noCache">true</param>
           <param name="excludeNullProperties">true</param>
         </result>
      </action>我打印结果，在ie下正常，在ff下中文乱码？

Answer 1

xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')
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