一、jquery.ajax（）
function checkSubmit() { var formData = new FormData($('#ImportForm')[0]);//Form表单数据 url = '@Url.Action("ImportQuestionExcel","Common")' + "?time=" + new Date(); console.log(url); $.ajax({ type:"POST", url:url, data: formData, processData: false,//不处理数据 contentType: false,//不定义类型 因为上传了文件 success:function(data){ Import_OnSuccess(data); }, error:function(){ $(document).alertmsg('confirm',"处理异常"); } }); } View Code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <title></title> <script type="text/javascript"> var xmlhttp = createXHR(); function createXHR() { var xhr; if (window.XMLHttpRequest) { xhr = new XMLHttpRequest(); } else { xhr = new ActiveXObject("Microsoft.XMLHTTP"); } return xhr; } function login() { var span = document.getElementById("msg"); span.innerHTML = "正在登录..."; var name = document.getElementById("txtName").value; var pwd = document.getElementById("txtPwd").value; var postData = "n=" + name + "&p=" + pwd; xmlhttp.open("post", "02-post.ashx", true); //!!!!!!!!!!!!!!!!!!!post请求，必须设置Content-Type xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlhttp.onreadystatechange = function () { if (xmlhttp.readyState == 4) { if (xmlhttp.status == 200) { var r = xmlhttp.responseText; if (r == 1) { span.innerHTML = "登录成功"; } else if (r == 0) { span.innerHTML = "登录失败"; } else { span.innerHTML = "未知错误"; } } else { span.innerHTML = "服务器内部错误"; } } } xmlhttp.send(postData); } </script></head><body> 用户名：<input type="text" id="txtName" /><br /> 密码：<input type="text" id="txtPwd" /><br /> <input type="button" id="btnLogin" value="Login" οnclick="login()" /><span style="color:Red" id="msg"></span></body></html>
转载于:https://www.cnblogs.com/eric-gms/p/3470925.html
