判断是否ajax请求

/**
  * 判断ajax请求
  * @param request
  * @return
  */
boolean isAjax(HttpServletRequest request){
     return  (request.getHeader( "X-Requested-With" ) != null  && "XMLHttpRequest" .equals( request.getHeader( "X-Requested-With" ).toString())   ) ;
}
 
ajax返回值有<pre>标签时,ajax添加属性dataType为text类型即可!

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转载自ouyangyuqing.iteye.com/blog/2097344
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