修改跨域处理

handler/cross.go

@@ -2,26 +2,31 @@ 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")
+	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 c.Request.Method == "OPTIONS" {
-			c.AbortWithStatus(http.StatusOK)
-			return
-		}
+		//  if method == "OPTIONS" {
+		// 	 context.JSON(http.StatusOK, gin.H{
+		// 		"code":1,
+		// 		"message":"error",
+		// 		"data":"request error",
+		// 	 })
+		//  }
 
-		c.Next()
+		//处理请求
+		context.Next()
 	}
 }

main.go

@@ -13,8 +13,8 @@ import (
 )
 
 func main() {
-	r := gin.Default()
 	gin.SetMode(gin.ReleaseMode)
+	r := gin.Default()
 	err := dao.Init()
 	if err != nil {
 		panic("failed to connect database:" + err.Error())
@@ -31,9 +31,9 @@ func main() {
 	handler.SetUpIMGroup(r)     // IM
 	handler.SetUpCIDGroup(r)    // CID,持续集成、部署
 	handler.SetUpToolGroup(r)   // Tool
-	r.Run(":8083")              // listen and serve on 0.0.0.0:8083
 	defer dao.Close()
 	defer worker.CloseRedis()
+	r.Run(":8083") // listen and serve on 0.0.0.0:8083
 }
 func init() {
 	// 创建cid的目录