跨域 No 'Access-Control-Allow-Origin' header is present on the requested resource

2019独角兽企业重金招聘Python工程师标准>>>

因为两个项目，域名不同，需要ajax到其他项目去，就必须跨域了。。。

如果是前端解决的话，麻烦，而且后台也需要修改。。。

最简单的就是，后端代码设置可以跨域即可。：例子

跨域 请求 public String getParent(HttpServletRequest request,HttpServletResponse response,Long child_id){response.setHeader("Access-Control-Allow-Origin", "*");// 可以是指定的域名

简单暴力就可以解决了

http://blog.csdn.net/zhoucheng05_13/article/details/53580683

转载于:https://my.oschina.net/u/2419285/blog/1586842

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