一、前台Ajxs json请求带参数
<script type="text/javascript">
$.getJSON("test.asp",{user:'admin',pass:'123456'}, function(json){
alert(json[0].user)
alert(json[0].pass)
});
</script>
后台接收并返回实例
user = request.QueryString("user")
pass = request.QueryString("pass")
add = "[{""user"":"""+ user +""",""pass"":"""+ pass +"""}]"
response.Write(add)
二、前台Ajxs json请求不带参数
<script type="text/javascript">
$.getJSON("test.asp", function(json){
alert(json.length)
alert(json[0].id)
alert(json[0].name)
alert(json[1].id)
alert(json[1].name)
});
</script>
后台接收并返回实例
dim add
add = "[{""id"":""123"",""name"":""admin""},{""id"":""456"",""name"":""bxsc""}]"
response.Write(add)
三、Ajxs jsonpt跨域请求
<script type="text/javascript">
$(document).ready(function(){
$.ajax({
url:'http://localhost:8080/test.asp',
dataType:"jsonp",
jsonp:"jsonpcallback",
jsonpCallback: "jsonpcallback",
success:function(data){
var $ul = $("<ul></ul>");
$.each(data,function(i,v){
$("<li/>").text(v["id"] + " " + v["name"]).appendTo($ul)
});
$("#res").append($ul);
}
});
});</script><span id="res"></span>
后台
jsonp = request.QueryString("jsonpcallback")
str = "[{""id"":""1"",""name"":""测试1""},{""id"":""2"",""name"":""测试2""}]"
str = jsonp + "(" +str+")"
response.Write(str)
四、跨域带参数请求
<span id="myform"></span>
<script type="text/javascript">
$(document).ready(function(){
$.getJSON("http://localhost:8080/test.asp?jsonpcallback=?",{user:'administrator',pass:'1314778'},function(json){
var msg = '';
if(json){
//msg = "<div id='result'><strong>提交成功!</strong><br/>姓名:"+json[0].user+"<br/>密码:"+json[0].pass+"</div>"
msg = "<div id='result'><strong>提交成功!</strong><br/>姓名:"+json.user+"<br/>密码:"+json.pass+"</div>"
}else{
msg = "服务器忙,请稍候再试!";
}
$("#myform").after(msg);
});
});
</script>
jsonp = request.QueryString("jsonpcallback")
user = request.QueryString("user")
pass = request.QueryString("pass")
'str = "[{""user"":"""+ user +""",""pass"":"""+ pass +"""}]"
str = "{""user"":"""+ user +""",""pass"":"""+ pass +"""}"
str = jsonp + "(" +str+")"
response.Write(str)
使用eval解析JSON对象
var json=eval_r("({sitename:'dreamdu',sitedate:new Date(1980, 12, 17, 12, 0, 0)})");
document.write(json.sitename);
document.write(json.sitedate);
结果:
dreamdu
Sat Jan 17 12:00:00 UTC+0800 1981
提示: 由于eval可以任意执行JavaScript代码,因此可能带来安全问题