100 lines
2.5 KiB
JavaScript
100 lines
2.5 KiB
JavaScript
let mask = document.querySelector(".mask");
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let fileDom = document.querySelector(".file");
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let tis = document.querySelector(".tis");
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let progress = document.querySelector(".tis-progress");
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let cancel = document.querySelector(".cancel-btn");
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let createUpload = (file, url, key='file', header = {},data = {}) => {
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console.log(`
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上传文件:${escape(file.name)}\n
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上传地址:${url}\n
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请求头:${JSON.stringify(header)}\n
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参数:${JSON.stringify(data)}
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`);
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if (!url) {return;}
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tis.style.display = 'flex';
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let formData = new FormData();
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formData.append(key, file);
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for (let keys in data) {
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formData.append(keys, data[keys]);
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}
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let xhr = new XMLHttpRequest();
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xhr.open("POST", url, true);
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for (let keys in header) {
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xhr.setRequestHeader(keys, header[keys]);
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}
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xhr.upload.addEventListener("progress", function(event) {
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if(event.lengthComputable){
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let percent = Math.ceil(event.loaded * 100 / event.total) + "%";
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progress.innerText = `努力上传中..${percent}`;
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}
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}, false);
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xhr.ontimeout = function(){
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// xhr请求超时事件处理
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progress.innerText = '请求超时';
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setTimeout(()=>{
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tis.style.display = 'none';
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plus.webview.currentWebview().close();
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},1000);
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};
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xhr.onreadystatechange = (ev) => {
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if(xhr.readyState == 4) {
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console.log('status：'+xhr.status);
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if (xhr.status == 200) {
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progress.innerText = '上传成功';
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console.log('返回数据：'+xhr.responseText);
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location.href = `callback?fileName=${escape(file.name)}&id=${escape(xhr.responseText)}`;
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}
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else {
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progress.innerText = '上传失败了';
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}
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setTimeout(()=>{
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tis.style.display = 'none';
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plus.webview.currentWebview().close();
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},2000);
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}
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};
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xhr.send(formData);
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cancel.addEventListener("click", ()=>{
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xhr.abort();
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plus.webview.currentWebview().close();
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});
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}
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mask.addEventListener("click", () => {
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plus.webview.currentWebview().close();
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});
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document.addEventListener('UniAppJSBridgeReady', () => {
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let {url,key,header,formData} = plus.webview.currentWebview();
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fileDom.addEventListener('change', (event) => {
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let file = fileDom.files[0];
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let fileNames = file.name.split(".");
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let type = fileNames[fileNames.length-1];
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console.log(type);
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if(type!='doc'&&type!='docx'&&type!='xls'&&type!='xlsx'&&type!='pdf'){
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plus.nativeUI.toast('请确认上传文件格式！');
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return;
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}
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if(file.size > (1024*1024 * 10)) {
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plus.nativeUI.toast('单个文件请勿超过10M,请重新上传');
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return;
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}
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createUpload(file, url, key,header,formData);
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}, false);
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}); |