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【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
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原文地址：http://www.cnblogs.com/flyings/p/5577260.html
