func main() {
openHttpListen()
}
func openHttpListen() {
http.HandleFunc("/", receiveClientRequest)
fmt.Println("go server start running...")
err := http.ListenAndServe(":9090", nil)
if err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
func receiveClientRequest(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*") //允许访问所有域
w.Header().Add("Access-Control-Allow-Headers", "Content-Type") //header的类型
w.Header().Set("content-type", "application/json") //返回数据格式是json
r.ParseForm()
fmt.Println("收到客户端请求: ", r.Form)
测试下来,发现web端发送数据给go服务器是可以收到的,就在go服务器返回数据给client web端的时候,出现了跨域错误提示,给http.ResponseWriter.Header() 加这三行代码即可:
w.Header().Set("Access-Control-Allow-Origin", "*") //允许访问所有域
w.Header().Add("Access-Control-Allow-Headers", "Content-Type") //header的类型
w.Header().Set("content-type", "application/json") //返回数据格式是json
转载于:https://www.cnblogs.com/JD85/p/5382368.html