修改跨域处理

handler/cross.go

@@ -1,32 +1,27 @@
- package handler
- 
- import (
-	 "github.com/gin-gonic/gin"
-	 //"net/http"
- )
-  
- //跨域访问：cross  origin resource share
- func CrosHandler() gin.HandlerFunc {
-	 return func(context *gin.Context) {
-		 //method := context.Request.Method
-		 context.Writer.Header().Set("Access-Control-Allow-Origin", "*")
-		 context.Header("Access-Control-Allow-Origin", "*") // 设置允许访问所有域
-		 context.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE,UPDATE")
-		 context.Header("Access-Control-Allow-Headers", "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")
-		 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")
-		 context.Header("Access-Control-Max-Age", "172800")
-		 context.Header("Access-Control-Allow-Credentials", "false")
-		 context.Set("content-type", "application/json")  //设置返回格式是json
-  
-		//  if method == "OPTIONS" {
-		// 	 context.JSON(http.StatusOK, gin.H{
-		// 		"code":1,
-		// 		"message":"error",
-		// 		"data":"request error",
-		// 	 })
-		//  }
-  
-		 //处理请求
-		 context.Next()
-	 }
- }
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+	//"net/http"
+)
+
+// 跨域访问：cross  origin resource share
+func CrosHandler() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Writer.Header().Set("Access-Control-Allow-Origin", "*") // 或者设置为具体的源
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "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")
+		c.Writer.Header().Set("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")
+		c.Writer.Header().Set("Access-Control-Max-Age", "172800")
+		// 如果需要发送cookies，请确保设置了具体的源而不是*，并将Allow-Credentials设置为true
+		// c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
+
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(http.StatusOK)
+			return
+		}
+
+		c.Next()
+	}
+}