angular的post请求，SpringMVC后台接收不到参数值的解决方案

参考网址 ：http://stackoverflow.com/questions/17610238/how-to-change-postcontent-type-in-angularjs

var sendData = $.param({'introduce':introduce});

$http({

method: 'POST',

url: url,

data: sendData,

headers: {

'Content-Type': 'application/x-www-form-urlencoded'

}}).success(function(data,status,header,config){

}).error(function(data,status,header,config){

});