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Use SpringMVC to solve vue cross-domain requests

亚连
Release: 2018-06-06 14:08:24
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Below I will share with you an article using SpringMVC filters to solve the problem of vue cross-domain requests. It has a good reference value and I hope it will be helpful to everyone. Let’s take a look together

I have written before about how to solve cross-domain requests through annotations. You need to use annotations in the control class every time. This time, we solved it through the interceptor of springmvc:

The class HandlerInterceptor that inherits SpringMVC overrides the preHandle method. This method will be called before reaching controll, as follows

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"); //是否允许浏览器携带用户身份信息(cookie) 
  return true; 
 }
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springmvc configuration is as follows:

<mvc:interceptors > 
 <!--过滤所有请求,处理跨域请求问题--> 
  <mvc:interceptor> 
   <mvc:mapping path="/**"/> 
   <bean class="com.jzy.interceptor.CommonInterceptor"></bean> 
  </mvc:interceptor> 
</mvc:interceptors >
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This can solve the limitation of cross-domain requests when SSM VUE is separated from the front and back ends.

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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