ajax设置

function ajaxFun(props){var url=props.url;var data=props.data;var success=props.success;$.ajax({        url:url, type:"POST", cache:false, contentType:"application/json;charset=utf-8",data:mycomm_ascii2native(JSON.stringify(data)), dataType:"json", processData:false,beforeSend:function(request){request.setRequestHeader("xxx","xxx");},success:function(obj){},error:function(request,textStatus,errorThrown){},complete:function(){}});}//native2asciifunction mycomm_native2ascii(n){     var regexp=/[^\x00-\xff]/g;     var a=n;     while(m=regexp.exec(n)){         a=a.split(m[0]).join(escape(m[0]).split("%").join("\\"));     }     return a; }//ascii2native    function mycomm_ascii2native(a) {    var n=a;    var n=unescape(n.split("\\").join("%"));    return n;}