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50 lines
1.9 KiB
50 lines
1.9 KiB
package middleware |
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import ( |
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"fmt" |
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"net/http" |
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"server/modules/web/app" |
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"github.com/gin-gonic/gin" |
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) |
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// 跨域访问：cross origin resource share |
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func CrosHandler() gin.HandlerFunc { |
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return func(context *gin.Context) { |
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fmt.Printf("%+v\n", *context.Request) |
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method := context.Request.Method |
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origin := context.Request.Header.Get("Origin") //请求头部 |
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if origin != "" { |
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//接收客户端发送的origin （重要！） |
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context.Writer.Header().Set("Access-Control-Allow-Origin", "*") |
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// 设置允许访问所有域 |
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context.Header("Access-Control-Allow-Origin", "*") |
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//服务器支持的所有跨域请求的方法 |
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context.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE,UPDATE") |
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//允许跨域设置可以返回其他子段，可以自定义字段 |
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context.Header("Access-Control-Allow-Headers", "fbc,fbp,lang,zone,res_version,share,Channel,uuid,version,Authorization, Content-Length, X-CSRF-Token, Token,session,X_Requested_With,Accept, Origin, Host, Connection, Accept-Encoding, Accept-Language,DNT, X-CustomHeader, Keep-Alive, User-Agent, X-Requested-With, If-Modified-Since, Cache-Control, Content-Type, Pragma,token,openid,opentoken") |
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// 允许浏览器（客户端）可以解析的头部 （重要） |
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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") |
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//设置缓存时间 |
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context.Header("Access-Control-Max-Age", "172800") |
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//允许客户端传递校验信息比如 cookie (重要) |
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context.Header("Access-Control-Allow-Credentials", "true") |
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// 设置返回格式是json |
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context.Set("content-type", "application/json") |
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} |
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if method == "OPTIONS" { |
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context.JSON(http.StatusOK, app.R{Code: http.StatusOK, Data: "Options Request!"}) |
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} |
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//处理请求 |
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context.Next() |
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} |
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}
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