以json格式传输数据
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Demo</title>
<style>
body, input, select, button, h1 {
font-size: 28px;
line-height:1.7;
}
</style>
</head>
<body>
<h1>员工查询</h1>
<label>请输入员工编号：</label>
<input type="text" id="keyword" />
<button id="search">查询</button>
<p id="searchResult"></p>
<h1>员工新建</h1>
<label>请输入员工姓名：</label>
<input type="text" id="staffName" /><br>
<label>请输入员工编号：</label>
<input type="text" id="staffNumber" /><br>
<label>请选择员工性别：</label>
<select id="staffSex">
<option>女</option>
<option>男</option>
</select><br>
<label>请输入员工职位：</label>
<input type="text" id="staffJob" /><br>
<button id="save">保存</button>
<p id="createResult"></p>
<script>
document.getElementById("search").onclick = function() {
var request = new XMLHttpRequest();
request.open("GET", "serverjson.php?number=" + document.getElementById("keyword").value);
request.send();
request.onreadystatechange = function() {
if (request.readyState===4) {
if (request.status===200) {
var data = JSON.parse(request.responseText);
if (data.success) {
document.getElementById("searchResult").innerHTML = data.msg;
} else {
document.getElementById("searchResult").innerHTML = "出现错误：" + data.msg;
}
} else {
alert("发生错误：" + request.status);
}
}
}
}
document.getElementById("save").onclick = function() {
var request = new XMLHttpRequest();
request.open("POST", "serverjson.php");
var data = "name=" + document.getElementById("staffName").value
+ "&number=" + document.getElementById("staffNumber").value
+ "&sex=" + document.getElementById("staffSex").value
+ "&job=" + document.getElementById("staffJob").value;
request.setRequestHeader("Content-type","application/x-www-form-urlencoded");
request.send(data);
request.onreadystatechange = function() {
if (request.readyState===4) {
if (request.status===200) {
var data = JSON.parse(request.responseText);
if (data.success) {
document.getElementById("createResult").innerHTML = data.msg;
} else {
document.getElementById("createResult").innerHTML = "出现错误：" + data.msg;
}
} else {
alert("发生错误：" + request.status);
}
}
}
}
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/Glant/p/11897364.html
时间： 2024-12-29 11:20:31