32 lines
942 B
Go
32 lines
942 B
Go
package middleware
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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)
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// CorsMiddleware 跨域中间件
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func CorsMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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method := c.Request.Method
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origin := c.Request.Header.Get("Origin")
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if origin != "" {
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// 允许所有来源，生产环境请修改为特定域名
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c.Header("Access-Control-Allow-Origin", origin)
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c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE")
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c.Header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization, X-App-Sign")
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c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type")
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c.Header("Access-Control-Allow-Credentials", "true")
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}
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// 放行 OPTIONS 请求
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if method == "OPTIONS" {
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c.AbortWithStatus(http.StatusNoContent)
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}
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c.Next()
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}
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}
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