var post_data={"name":"test001","pass":"xxxx"}; 
$.ajax({ 
  url: "http://192.168.10.111:8080/uc/login", 
  type: 'post', 
  contentType: "application/json; charset=utf-8", 
  data:JSON.stringify(post_data), 
  success:function (data) { 
    //调用成功 
  }, 
  error: function(data, textStatus, errorThrown){ 
    //调用失败 
  } 
});