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30
开发日志.md
30
开发日志.md
@@ -31,6 +31,36 @@ resolve: {
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},
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```
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### tomcat 跨域下载文件
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tomcat 默认是不支持跨域的,不做配置使用vue下载文件会有Access-Control-Allow-Origin问题。
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解决方法: 编辑 web.xml 文件,找到
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```xml
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<!-- The mapping for the HTTP header security Filter -->
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```
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在下面添加
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```xml
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<filter>
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<filter-name>CorsFilter</filter-name>
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<filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
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<init-param>
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<param-name>cors.allowed.origins</param-name>
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<param-value>*</param-value>
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</init-param>
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</filter>
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<filter-mapping>
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<filter-name>CorsFilter</filter-name>
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<url-pattern>/*</url-pattern>
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</filter-mapping>
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```
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重启 tomcat 解决。
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## 组件
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### pdf预览组件
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