带有标题参数的img src路径

带有标题参数的img src路径

首先，您需要发出一个设置头文件的ajax请求。然后，您需要使用一些HTML5
API将接收到的二进制数据转换为base64。最后，使用

data:

协议和base64数据设置映像src 。

var oReq = new XMLHttpRequest();oReq.open("GET", "yourpage.jsp", true);oReq.setRequestHeader("Your-Header-Here", "Value");// use multiple setRequestHeader calls to set multiple valuesoReq.responseType = "arraybuffer";oReq.onload = function (oEvent) {  var arrayBuffer = oReq.response; // Note: not oReq.responseText  if (arrayBuffer) {    var u8 = new Uint8Array(arrayBuffer);    var b64enpred = btoa(String.fromCharCode.apply(null, u8));    var mimetype="image/png"; // or whatever your image mime type is    document.getElementById("yourimageidhere").+mimetype+";base64,"+b64enpred;  }};oReq.send(null);

资料来源：

https://developer.mozilla.org/zh-
CN/docs/Web/API/XMLHttpRequest/Sending_and_Receiving_Binary_Data