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24 lines
1.5 KiB
24 lines
1.5 KiB
3 years ago
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package middleware
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import (
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"github.com/gin-gonic/gin"
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"net/http"
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)
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func CorsHandler() gin.HandlerFunc {
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return func(context *gin.Context) {
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context.Writer.Header().Set("Access-Control-Allow-Origin", "*")
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context.Header("Access-Control-Allow-Methods", "*")
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context.Header("Access-Control-Allow-Headers", "*")
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context.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers,Cache-Control,Content-Language,Content-Type,Expires,Last-Modified,Pragma,FooBar") // 跨域关键设置 让浏览器可以解析
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context.Header("Access-Control-Max-Age", "172800") // 缓存请求信息 单位为秒
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context.Header("Access-Control-Allow-Credentials", "false") // 跨域请求是否需要带cookie信息 默认设置为true
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context.Header("content-type", "application/json") // 设置返回格式是json
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//Release all option pre-requests
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if context.Request.Method == http.MethodOptions {
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context.JSON(http.StatusOK, "Options Request!")
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}
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context.Next()
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}
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}
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