package cn.flightfeather.supervision.lightshare
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import org.springframework.core.annotation.Order
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import javax.servlet.*
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import javax.servlet.annotation.WebFilter
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import javax.servlet.http.HttpServletResponse
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import javax.servlet.ServletException
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import java.io.IOException
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import javax.servlet.ServletResponse
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import javax.servlet.ServletRequest
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import javax.servlet.FilterConfig
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/**
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* @author riku
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* Date: 2020/8/11
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*/
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@Order(1)
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@WebFilter(filterName = "corsFilter", urlPatterns = ["/*"])
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class CORSFilter : Filter {
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@Throws(ServletException::class)
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override fun init(filterConfig: FilterConfig) {
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println("初始化filter==========================")
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}
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@Throws(IOException::class, ServletException::class)
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override fun doFilter(servletRequest: ServletRequest, servletResponse: ServletResponse, filterChain: FilterChain) {
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val response = servletResponse as HttpServletResponse
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response.setHeader("Access-Control-Allow-Origin", "*") // 这里最好明确的写允许的域名
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response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT")
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response.setHeader("Access-Control-Max-Age", "3600")
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response.setHeader("Access-Control-Allow-Headers", "Content-Type,Access-Token,Authorization,ybg")
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filterChain.doFilter(servletRequest, servletResponse)
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}
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override fun destroy() {
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println("销毁filter==========================")
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}
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}
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