// 自定义图片的更新方法例如: customImageUpdate("POST", "http://127.0.0.1:8000/luckysheetimageprocess/", d) function customImageUpdate(method, url, obj) { return new Promise((resolve, reject) => { const xhr = new XMLHttpRequest() || new ActiveXObject("Microsoft.XMLHTTP"); xhr.open(method, url); xhr.send(JSON.stringify(obj)); // 发送 POST/GET 数据 xhr.onreadystatechange = function () { if (xhr.readyState == 4) { if (xhr.status == 200) { resolve(xhr.responseText); } else { reject("error"); } } }; }); } export { customImageUpdate }