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HTML

              
                <a href="javascript:;" class="btn btn-primary btn-sm">登录</a>
              
            
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CSS

              
                
              
            
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JS

              
                
//购物车读取刷新
$.sub('loginSuccess',function(event,src,xhr,res){
    alert('登录成功,获取后端返回字段,请求购物车接口数据');
});

$('.btn').on('click',function(){
  var $this = this;
  $.get('./').done(function(){
    console.log(res)
  }).fail(function(err){
    //假设登录成功,需要刷新页面部分模块
    $.pub('loginSuccess',[$this,this,err]);
  });
});

//猜你喜欢读取刷新
$.sub('loginSuccess',function(event,src,xhr,res){
    $.alert({
      content:'登录成功,获取后端返回字段,请求猜你喜欢接口数据',
      type:'alert'
    });
});
              
            
!
999px

Console