原生ajax与jquery ajax #请求头的设置方法

        $.ajax({
            type:"get",
            url: "http://localhost/user/test",
            headers: {
              "Authorization":"Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOlsicmVzMSJdLCJ1c2VyX25hbWUiOiJ7XCJlbWFpbFwiOlwiMjExOTI5OTUzMUBxcS5jb21cIixcImZ1bGxuYW1lXCI6XCLlsI_luoRcIixcImlkXCI6MyxcInBhc3N3b3JkXCI6XCIkMmEkMTAkc1o4d0d4NHkvcG1CM1g4QkFGZWxTLmpqR2M2TE8weDluMWFzR1cvWEVPT2VQMGF1dmFkSnFcIixcInVzZXJuYW1lXCI6XCIxODQ3NjMwNTY0MFwifSIsInNjb3BlIjpbIlJPTEVfQURNSU4iLCJST0xFX1VTRVIiLCJST0xFX0FQSSJdLCJleHAiOjE2MjM4Mzc4MDUsImF1dGhvcml0aWVzIjpbImJhc2UiXSwianRpIjoiMWRiOTIxYjUtNGZjMS00NWZkLThmNDAtZTA0NTBkZTMyODEyIiwiY2xpZW50X2lkIjoiYzEifQ.-u2Zzn9iWtb15SSijx3kccxBJyJr6_56ktkG3gVrajM"
            },
            success(resource) {
              console.log(resource);
            },
            error(err) {
              console.log(err);
            }

        })
        
       
      })

　　　//原生
     window.onload=function() {
           var xmlHttp;
           if(window.XMLHttpRequest) {
             xmlHttp = new XMLHttpRequest();
           }else {
             xmlHttp = window.ActiveXObject("Microsoft.XMLHTTP");
           }
           //数据组装
           var data = {"Authorization":"Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOlsicmVzMSJdLCJ1c2VyX25hbWUiOiJ7XCJlbWFpbFwiOlwiMjExOTI5OTUzMUBxcS5jb21cIixcImZ1bGxuYW1lXCI6XCLlsI_luoRcIixcImlkXCI6MyxcInBhc3N3b3JkXCI6XCIkMmEkMTAkc1o4d0d4NHkvcG1CM1g4QkFGZWxTLmpqR2M2TE8weDluMWFzR1cvWEVPT2VQMGF1dmFkSnFcIixcInVzZXJuYW1lXCI6XCIxODQ3NjMwNTY0MFwifSIsInNjb3BlIjpbIlJPTEVfQURNSU4iLCJST0xFX1VTRVIiLCJST0xFX0FQSSJdLCJleHAiOjE2MjM4Mzc4MDUsImF1dGhvcml0aWVzIjpbImJhc2UiXSwianRpIjoiMWRiOTIxYjUtNGZjMS00NWZkLThmNDAtZTA0NTBkZTMyODEyIiwiY2xpZW50X2lkIjoiYzEifQ.-u2Zzn9iWtb15SSijx3kccxBJyJr6_56ktkG3gVrajM"}
           //发送请求
           xmlHttp.open("get","http://localhost/user/test",true);

           xmlHttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
           xmlHttp.setRequestHeader("Authorization","Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOlsicmVzMSJdLCJ1c2VyX25hbWUiOiJ7XCJlbWFpbFwiOlwiMjExOTI5OTUzMUBxcS5jb21cIixcImZ1bGxuYW1lXCI6XCLlsI_luoRcIixcImlkXCI6MyxcInBhc3N3b3JkXCI6XCIkMmEkMTAkc1o4d0d4NHkvcG1CM1g4QkFGZWxTLmpqR2M2TE8weDluMWFzR1cvWEVPT2VQMGF1dmFkSnFcIixcInVzZXJuYW1lXCI6XCIxODQ3NjMwNTY0MFwifSIsInNjb3BlIjpbIlJPTEVfQURNSU4iLCJST0xFX1VTRVIiLCJST0xFX0FQSSJdLCJleHAiOjE2MjM4Mzc4MDUsImF1dGhvcml0aWVzIjpbImJhc2UiXSwianRpIjoiMWRiOTIxYjUtNGZjMS00NWZkLThmNDAtZTA0NTBkZTMyODEyIiwiY2xpZW50X2lkIjoiYzEifQ.-u2Zzn9iWtb15SSijx3kccxBJyJr6_56ktkG3gVrajM");
           //发送数据
           xmlHttp.send(data);
           //事件监听
           xmlHttp.onreadystatechange=function () {
             //状态信息
             if(xmlHttp.readyState == 4 && xmlHttp.status == 200) {
                  var result = xmlHttp.responseText;
                  
                  console.log(result);
             }
           }
　　　}

演示的是相同的请求