关于前后端分离跨域
1.在spring里有对跨域的支持,我们只要在配置里加上这一个配置即可
<mvc:cors>
<mvc:mapping path="/**" allowed-origins="https://pandabox.io"
allow-credentials="true" max-age="3600" allowed-methods="GET,POST,OPTIONS"
allowed-headers="Origin, X-Requested-With, Content-Type, Accept" />
</mvc:cors>
2.光有这一个配置貌似还不够哦,还需要加一个为项目加一个过滤器,如下
package com.linktai.utils;
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;
public class CrossFilter implements Filter {
public CrossFilter() {
}
public void destroy() {
}
public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain)
throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) resp;
response.setHeader("Access-Control-Allow-Origin", "https://pandabox.io");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
response.setHeader("Access-Control-Allow-Credentials", "true");
chain.doFilter(req, resp);
}
public void init(FilterConfig fConfig) throws ServletException {
}
}