extjs – NGINX和spark Java之间的跨源通信
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我在我的网络应用程序中使用NGINX和sparkjava.我确信我已正确启用所有CORS标头.仍然,我得到“XMLHttpRequest无法加载http://localhost:3003/platformAPI/login.无效的HTTP状态代码404”错误.下面提到的是我的客户端和服务器方法分别来自extjs和spark java.我已经检查了浏览器的网络选项卡以获取响应和请求标头.它们也在下面提到.任何帮助让我知道我的方法有什么问题是非常感谢:)
来自Nginx的客户端方法:
function(button, event, options){
var form = Ext.getCmp("LoginformId").getForm();
if (form.isValid()) {
var userJson = JSON.stringify(form.getFieldValues());
form.submit({
url: 'http://localhost:3003/platformAPI/login',
//headers : {'Content-Type':undefined,},
//dataType: 'jsonp',
success: function(form, action) {
// Ext.Msg.alert('Success', action.result.msg);
var sessionID=action.result.sessionID;
var clientName=action.result.clientName;
sessionStorage.setItem('sessionID',sessionID);
sessionStorage.setItem('clientName',clientName);
window.location="http://localhost:3000/";
},
failure: function(form, action) {
Ext.Msg.alert('Failed', action.result.msg);
}
});
}
}
服务器方法:
过滤器以启用CORS标头(在main中调用此方法)
private static void enableCORS(final String origin, final String methods, final String headers) {
before(new Filter() {
@Override
public void handle(Request request, Response response) {
response.header("Access-Control-Allow-Origin",request.headers("origin"));
response.header("Access-Control-Allow-Headers", "Origin, x-requested-with, content-type, Accept");
response.header("Access-Control-Request-Method", "GET,PUT,POST,DELETE,OPTIONS");
);
}
});
}
登录方式:
post("platformAPI/login", "undefined",
(request, response) -> {
System.out.print("inside login");
JSONObject object1 = new JSONObject();
response.body(object1.put("success", true).toString());
return response;
});
请求和响应标头:
Remote Address:127.0.0.1:3003
Request URL:http://localhost:3003/platformAPI/login
Request Method:OPTIONS
Status Code:404 Not Found
Response Headers
view source
Access-Control-Allow-Headers:Origin, x-requested-with, content-type, Accept
Access-Control-Allow-Origin:http://localhost:3000
Access-Control-Request-Method:GET,PUT,POST,DELETE,OPTIONS
Cache-Control:must-revalidate,no-cache,no-store
Content-Length:295
Content-Type:text/html; charset=ISO-8859-1
Server:Jetty(9.0.2.v20130417)
Request Headers
view source
Accept:*/*
Accept-Encoding:gzip, deflate, sdch
Accept-Language:en-US,en;q=0.8
Access-Control-Request-Headers:x-requested-with, content-type
Access-Control-Request-Method:POST
Connection:keep-alive
Host:localhost:3003
Origin:http://localhost:3000
Referer:http://localhost:3000/
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.89 Safari/537.36
解决方法:
尝试使用以下代码段在Spark-Java中启用CORS:
options("/*",
(request, response) -> {
String accessControlRequestHeaders = request
.headers("Access-Control-Request-Headers");
if (accessControlRequestHeaders != null) {
response.header("Access-Control-Allow-Headers",
accessControlRequestHeaders);
}
String accessControlRequestMethod = request
.headers("Access-Control-Request-Method");
if (accessControlRequestMethod != null) {
response.header("Access-Control-Allow-Methods",
accessControlRequestMethod);
}
return "OK";
});
before((request, response) -> {
response.header("Access-Control-Allow-Origin", "*");
});
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