今天就跟大家聊聊有關(guān)如何在Springmvc中利用ajax實(shí)現(xiàn)一個(gè)跨域請(qǐng)求,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。
寫一個(gè)類 繼承HandlerInterceptorAdapter
package com.util; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.handler.HandlerInterceptorAdapter; public class CommonInterceptor extends HandlerInterceptorAdapter { public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { response.setHeader("Access-Control-Allow-Origin", "*"); response.setHeader("Access-Control-Allow-Methods", "*"); 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"); // 是否允許瀏覽器攜帶用戶身份信息(cookie) return true; } }