Same-origin policy fro javascript

同源政策，cross browser ajax的處理方式

1. put below in your .php file 


2.use jsonp as following
$.ajax({
 url: 'http://....................,
 crossDomain: true,
 dataType: 'jsonp',
 data:{
  uname: $('input#A1').val(),
  uphone: $('input#A2').val(),
  uemail: $('input#A3').val(),
  callback: json_callback
 }
}).done(function(data){
});