如何在JavaScript中发送和请求HTTP方法?
我试图访问一些基于IP地址的信息,并希望使用JavaScript将其显示在我的网页中。我是根据IP地址获取数据的,但当我尝试使用JavaScript时,在没有输出的同时,我没有收到任何错误 下面是我的代码。请给我一些有价值的信息,并尝试更正我的代码如何在JavaScript中发送和请求HTTP方法?,javascript,html,Javascript,Html,我试图访问一些基于IP地址的信息,并希望使用JavaScript将其显示在我的网页中。我是根据IP地址获取数据的,但当我尝试使用JavaScript时,在没有输出的同时,我没有收到任何错误 下面是我的代码。请给我一些有价值的信息,并尝试更正我的代码 <!DOCTYPE html> <html> <head> <title>JS Get Request</title> </head> <body> <
<!DOCTYPE html>
<html>
<head>
<title>JS Get Request</title>
</head>
<body>
<center>JavaScript Get Request Test</center>
statusCode : <p id="statusCode"></p><br/>
stausMessage : <p id="statusMessage"></p><br/>
ipAddress : <p id="ipAddress"></p><br/>
countryCode : <p id="countryCode"></p><br/>
countryName : <p id="countryName"></p><br/>
regionName : <p id="regionName"></p><br/>
cityName : <p id="cityName"></p><br/>
zipCode : <p id="zipCode"></p><br/>
latitude : <p id="latitude"></p><br/>
<script type="text/javascript">
var HttpClient = function(){
this.get = function(aUrl, aCallback){
var anHttpRequest = new XMLHttpRequest();
anHttpRequest.onreadystatechange = function() {
if(anHttpRequest.readyState == 4 && anHttpRequest.status ==200)
aCallback(anHttpRequest.responseText);
}
anHttpRequest.open("GET", aUrl, true);
anHttpRequest.send(null);
}
}
var theurl = 'http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
var client = new HttpClient();
client.get(theurl, function(resonse){
var response1 = JSON.parse(response);
//alert(response);
});
document.getElementById("statusCode").innerHTML = response1.statusCode;
document.getElementById("statusMessage").innerHTML = response1.statusMessage;
document.getElementById("ipAddress").innerHTML = response1.ipAddress;
document.getElementById("countryCode").innerHTML = response1.countryCode;
document.getElementById("countryName").innerHTML = response1.countryName;
document.getElementById("regionName").innerHTML = response1.regionName;
document.getElementById("cityName").innerHTML = response1.cityName;
document.getElementById("zipCode").innerHTML = response1.zipCode;
document.getElementById("latitude").innerHTML = response1.latitude;
</script>
</body>
</html>
JSGET请求
JavaScript获取请求测试
状态代码:
statusMessage:
ipAddress:
countryCode:
countryName:
地区名称:
城市名称:城市名称
zipCode:
纬度:
var HttpClient=function(){
this.get=函数(aUrl、aCallback){
var anHttpRequest=newxmlhttprequest();
anHttpRequest.onreadystatechange=函数(){
如果(anhtprequest.readyState==4&&anhtprequest.status==200)
aCallback(anhtprequest.responseText);
}
anhtprequest.open(“GET”,aUrl,true);
anHttpRequest.send(空);
}
}
var theurl=http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
var client=新的HttpClient();
get(URL、函数(resonse){
var response1=JSON.parse(response);
//警报(响应);
});
document.getElementById(“statusCode”).innerHTML=response1.statusCode;
document.getElementById(“statusMessage”).innerHTML=response1.statusMessage;
document.getElementById(“ipAddress”).innerHTML=response1.ipAddress;
document.getElementById(“countryCode”).innerHTML=response1.countryCode;
document.getElementById(“countryName”).innerHTML=response1.countryName;
document.getElementById(“regionName”).innerHTML=response1.regionName;
document.getElementById(“cityName”).innerHTML=response1.cityName;
document.getElementById(“zipCode”).innerHTML=response1.zipCode;
document.getElementById(“纬度”).innerHTML=response1.latitude;
这里有一个JSFIDLE示例:单击run获取数据您有两个错误:
1-输入错误响应,
2-移动所有文档。getElementById。。。。获取(URL,函数(响应){…} 这应该有效:
<!DOCTYPE html>
<html>
<head>
<title>JS Get Request</title>
</head>
<body>
<center>JavaScript Get Request Test</center>
<button onClick="test()">run</button><br>
statusCode : <p id="statusCode"></p><br/>
stausMessage : <p id="statusMessage"></p><br/>
ipAddress : <p id="ipAddress"></p><br/>
countryCode : <p id="countryCode"></p><br/>
countryName : <p id="countryName"></p><br/>
regionName : <p id="regionName"></p><br/>
cityName : <p id="cityName"></p><br/>
zipCode : <p id="zipCode"></p><br/>
latitude : <p id="latitude"></p><br/>
<script type="text/javascript">
var HttpClient = function(){
this.get = function(aUrl, aCallback){
var anHttpRequest = new XMLHttpRequest();
anHttpRequest.onreadystatechange = function() {
if(anHttpRequest.readyState == 4 && anHttpRequest.status ==200)
aCallback(anHttpRequest.responseText);
}
anHttpRequest.open("GET", aUrl, true);
anHttpRequest.send(null);
}
}
var theurl = 'http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
function test(){
var client = new HttpClient();
client.get(theurl, function(response){
var response1 = JSON.parse(response);
document.getElementById("statusCode").innerHTML = response1.statusCode;
document.getElementById("statusMessage").innerHTML = response1.statusMessage;
document.getElementById("ipAddress").innerHTML = response1.ipAddress;
document.getElementById("countryCode").innerHTML = response1.countryCode;
document.getElementById("countryName").innerHTML = response1.countryName;
document.getElementById("regionName").innerHTML = response1.regionName;
document.getElementById("cityName").innerHTML = response1.cityName;
document.getElementById("zipCode").innerHTML = response1.zipCode;
document.getElementById("latitude").innerHTML = response1.latitude;
});
}
</script>
</body>
</html>
JSGET请求
JavaScript获取请求测试
运行
状态代码:
statusMessage:
ipAddress:
countryCode:
countryName:
地区名称:
城市名称:城市名称
zipCode:
纬度:
var HttpClient=function(){
this.get=函数(aUrl、aCallback){
var anHttpRequest=newxmlhttprequest();
anHttpRequest.onreadystatechange=函数(){
如果(anhtprequest.readyState==4&&anhtprequest.status==200)
aCallback(anhtprequest.responseText);
}
anhtprequest.open(“GET”,aUrl,true);
anHttpRequest.send(空);
}
}
var theurl=http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
函数测试(){
var client=新的HttpClient();
get(URL、函数(响应){
var response1=JSON.parse(response);
document.getElementById(“statusCode”).innerHTML=response1.statusCode;
document.getElementById(“statusMessage”).innerHTML=response1.statusMessage;
document.getElementById(“ipAddress”).innerHTML=response1.ipAddress;
document.getElementById(“countryCode”).innerHTML=response1.countryCode;
document.getElementById(“countryName”).innerHTML=response1.countryName;
document.getElementById(“regionName”).innerHTML=response1.regionName;
document.getElementById(“cityName”).innerHTML=response1.cityName;
document.getElementById(“zipCode”).innerHTML=response1.zipCode;
document.getElementById(“纬度”).innerHTML=response1.latitude;
});
}
正如@Arvind comment所述,您需要将您的var response1
和所有文档.getElementById(“Foo”).innerHTML=response1.Foo;
放在同一位置
在第10行有一个statusMessage:
而不是statusMessage
在第33行,输入错误应该是:client.get(URL,函数(响应){
已过时,
不需要结束斜杠
这是完整的代码
JSGET请求
JavaScript获取请求测试
状态代码:
statusMessage:
ipAddress:
countryCode:
countryName:
地区名称:
城市名称:
zipCode:
纬度:
var HttpClient=function(){
this.get=函数(aUrl、aCallback){
var anHttpRequest=newxmlhttprequest();
anHttpRequest.onreadystatechange=函数(){
如果(anhtprequest.readyState==4&&anhtprequest.status==200)
aCallback(anhtprequest.responseText);
}
anhtprequest.open(“GET”,aUrl,true);
anHttpRequest.send(空);
}
}
var theurl=http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
var客户机=新
<!DOCTYPE html>
<html>
<head>
<title>JS Get Request</title>
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.3.1.min.js">
</script>
</head>
<body>
<center>JavaScript Get Request Test</center>
statusCode : <p id="statusCode"></p><br/>
stausMessage : <p id="statusMessage"></p><br/>
ipAddress : <p id="ipAddress"></p><br/>
countryCode : <p id="countryCode"></p><br/>
countryName : <p id="countryName"></p><br/>
regionName : <p id="regionName"></p><br/>
cityName : <p id="cityName"></p><br/>
zipCode : <p id="zipCode"></p><br/>
latitude : <p id="latitude"></p><br/>
<script type="text/javascript">
function callback(response1) {
document.getElementById("statusCode").innerHTML = response1.statusCode;
document.getElementById("statusMessage").innerHTML = response1.statusMessage;
document.getElementById("ipAddress").innerHTML = response1.ipAddress;
document.getElementById("countryCode").innerHTML = response1.countryCode;
document.getElementById("countryName").innerHTML = response1.countryName;
document.getElementById("regionName").innerHTML = response1.regionName;
document.getElementById("cityName").innerHTML = response1.cityName;
document.getElementById("zipCode").innerHTML = response1.zipCode;
document.getElementById("latitude").innerHTML = response1.latitude;
}
var theurl = 'http://api.ipinfodb.com/v3/ip-city/?key=c7b0a48b0232ec3a0154bac3af7707170dd8268116543d6719262d49724bfc38&ip=106.51.76.69&format=json';
$.ajax({
type: "POST",
url: theurl,
crossDomain: true,
success: function (data) {
callback(data);
// do something with server response data
},
error: function (err) {
// handle your error logic here
}
});
</script>
</body>
</html>