【可以先看后边再看此文】
get获取json
前端代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<title></title>
</head>
<body>
<div >
小丁的年龄是：<span id="dsh"></span>
</div>
<script type="text/javascript">
$.ajax({
type: "get",
url: "DB.json",
datatype: "json",//"xml", "html", "script", "html", "jsonp", "text".
success: function (data,status) {
document.getElementById("dsh").innerHTML=data.teacher[1].age;
//var js=JSON.stringify(data);//转换成json字符串
},
error: function (data,status) { alert("Ajax请求Json错误");}
});
</script>
</body>
</html>
DB.json
{ "student": [
{ "name": "王老师", "age": "40" },
{ "name": "丁老师", "age": "30" }
],
"teacher": [
{ "name": "小王", "age": "20" },
{ "name": "小丁", "age": "10" }
] }
效果
html批量读取json
html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<title></title>
</head>
<body>
<script type="text/javascript">
$.ajax({
type: "get",
url: "DB.json",
datatype: "json",//"xml", "html", "script", "html", "jsonp", "text".
success: function (data,status) {
document.writeln("学生：<br/>")
for (var x in data.student) {
document.writeln(data.student[x].name+data.student[x].age+"<br/>")
} document.writeln("<p/>老师：<br/>")
for (var x in data.teacher) {
document.writeln(data.teacher[x].name+data.teacher[x].age+"<br/>")
}
},
error: function (data,status) { alert("Ajax请求Json错误");}
});
</script>
</body>
</html>
json
{ "student": [
{ "name": "小王", "age": "10" },
{ "name": "小丁", "age": "20" }
],
"teacher": [
{ "name": "王老师", "age": "30" },
{ "name": "丁老师", "age": "40" }
] }
效果
项目实战
html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<style type="text/css">
table{border-collapse: collapse; width: 100%;}
table tr td{border: red solid 1px; width: 50%; text-align: center;}
</style>
</head>
<body>
<table>
</table>
<script type="text/javascript">
$.ajax({
type: "get",
url: "DB.json",
datatype: "json",
success: function (data) {
for (var i=0; i<data.length; i++) {
$("table").append(
"<tr><td>"+data[i].name+"</td><td>"+data[i].age+"</td></tr>"
)
}
},
error:function () { alert("Ajax请求Json错误");}
});
</script>
</body>
</html>
json
[
{"name": "小王", "age": "10" },
{ "name": "小丁", "age": "20" },
{ "name": "小红", "age": "18" }
]
效果
