跨域未解决时:
Access to XMLHttpRequest at ‘http://localhost:8080/vue/findall from origin ‘http://localhost:8000’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.
ssm后台解决跨域
pom.xml
文件中加入依赖:
<dependency>
<groupId>com.thetransactioncompany</groupId>
<artifactId>cors-filter</artifactId>
<version>2.5</version>
</dependency>
web.xml
文件中加入:
<!--跨域-->
<!--加入跨域过滤器配置-->
<filter>
<filter-name>CORS</filter-name>
<filter-class>com.thetransactioncompany.cors.CORSFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>CORS</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
vue打包导入后台解决跨域
打包前进行以下配置
build文件夹中的utils.js
,指定位置添加publicPath: '../../'
config文件夹下的index.js
,指定位置添加修改为assetsPublicPath: './',
之后执行
npm run build
打包后将dist下的index.html ,css , js等文件添加到webapp下即可通过访问index.html访问