$http({
method: 'GET',
url : 'http: //esbuatt1wm.ito.unisys.com:7001/invoke/wm.server/ping',
timeout: 10000,
headers: {
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods': 'GET,POST,PUT,DELETE,OPTIONS,JSONP',
'Content-Type': '*',
'Access-Control-Allow-Headers': 'Content-Type',
'Access-Control-Allow-Credentials': 'true'
},
params: {}, // Query Parameters (GET)
transformResponse: function(data, status, headers, config) {
console.log('transferms data ' + data);
// string -> XML document object
return $.parseXML(data);
}
}).success(function(data, status, headers, config) {
// XML document object
$scope.xml = data.documentElement.innerHTML;
console.dir('xml data ' + $scope.xml);
}).error(function(data, status, headers, config) {
$window.alert('ERROR.');
});
#############错误xmlhttprequest无法加载http://esbuatt1wm.ito.unisys.com:7001/invoke/wm.server/ping。对飞行前请求的响应不会传递访问控制检查:在请求的资源上没有"访问控制"标头。源'http://localhost:1337'不允许访问。
提供标题不会为您提供帮助,因为您仍会从本地(Localhost)击中服务器。问题是,当您从本地击中切割时,服务器将把请求视为不同域请求的请求。
您可以使用Express.js(Express是服务器)。在这种情况下,服务器正在与服务器通信,因此此错误将被删除。
或者在您要点击的服务器上,您的后端代码持续存在,请启用CORS请求该特定呼叫或任何其他电话。
如果您使用的是Spring Boot,则可以使用以下代码:
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
@Component
public class SimpleCORSFilter implements Filter {
private final Logger log = LoggerFactory.getLogger(SimpleCORSFilter.class);
public SimpleCORSFilter() {
log.info("SimpleCORSFilter init");
}
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
response.setHeader("Access-Control-Allow-Credentials", "true");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "Content-Type, Accept, X-Requested-With, remember-me");
chain.doFilter(req, res);
}
@Override
public void init(FilterConfig filterConfig) {
}
@Override
public void destroy() {
}
}`
启用它将解决您的问题。这是您可以从此错误中克服的两个选项。
在配置函数中使用以下代码
config(function($httpProvider) {
$httpProvider.defaults.useXDomain = true;
delete $httpProvider.defaults.headers.common['X-Requested-With'];
});