<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Document</title>
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</head>
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<body>
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<div>
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<input type="file" id="files" style="display: none" onchange="fileImport();">
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<input type="button" id="fileImport" value="导入">
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<input type="button" id="c" value="测试" onclick="ccccc()">
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</div>
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<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
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<!-- <script src="../js/jQuery/jquery-1.11.1.js"></script> -->
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<script>
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//点击导入按钮,使files触发点击事件,然后完成读取文件的操作
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$("#fileImport").click(function () {
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$("#files").click();
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})
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function fileImport() {
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//获取读取我文件的File对象
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var selectedFile = document.getElementById('files').files[0];
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console.log(selectedFile);
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var reqData = {
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name: selectedFile.name,
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size: selectedFile.size,
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lastModified: selectedFile.lastModified,
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type: selectedFile.type,
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data: null
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}
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var name = selectedFile.name; //读取选中文件的文件名
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var size = selectedFile.size; //读取选中文件的大小
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var lastModified = selectedFile.lastModified; //文件时间戳
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var type = selectedFile.type; //文件类型
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console.log("文件名:" + name + "大小:" + size);
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var reader = new FileReader(); //这是核心,读取操作就是由它完成.
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reader.readAsDataURL(selectedFile);
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// reader.readAsText(selectedFile, "utf-8"); //读取文件的内容,也可以读取文件的URL
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reader.onload = function () {
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//当读取完成后回调这个函数,然后此时文件的内容存储到了result中,直接操作即可
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console.log(this.result);
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// console.log(typeof (this.result));
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// console.log(JSON.stringify(this.result));
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reqData.data = this.result;
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$.ajax({
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type: "POST",
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url: "http://localhost:10000/SerialPortService/Test",
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data: JSON.stringify(reqData),
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success: function (d) {
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console.log(d);
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},
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error: function (jqXHR) {
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console.error(jqXHR);
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}
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});
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//var base64String = window.btoa(this.result);
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//console.log(base64String);
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// var temp = window.atob(reqData);
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// console.log(temp);
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}
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}
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function ccccc() {
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$.ajax({
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type: "POST",
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url: "http://139.129.89.252:8080/StatisticsService.asmx/ToDaySales",
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dataType: "json",
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success: function (d) {
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console.log(d);
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},
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error: function (jqXHR) {
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console.log(jqXHR);
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}
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});
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}
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function arrayBufferToBase64(buffer) {
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var binary = '';
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var bytes = new Uint8Array(buffer);
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var len = bytes.byteLength;
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console.log(len);
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for (var i = 0; i < len; i++) {
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binary += String.fromCharCode(bytes[i]);
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}
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return window.btoa(binary);
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}
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let str = "测试", escapeStr = "";
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escapeStr = escape(str)
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console.log(escapeStr);
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console.log(unescape(escapeStr));
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str = "ceshi";
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escapeStr = escape(str)
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console.log(escapeStr);
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console.log(unescape(escapeStr));
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</script>
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</body>
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</html>
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