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https://github.com/astaxie/beego.git
synced 2024-12-22 23:50:49 +00:00
add comments for middleware packages, fix typo error
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parent
91d75e8925
commit
32799bc259
2
beego.go
2
beego.go
@ -221,7 +221,7 @@ func Run() {
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middleware.VERSION = VERSION
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middleware.AppName = AppName
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middleware.RegisterErrorHander()
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middleware.RegisterErrorHandler()
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if EnableAdmin {
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go BeeAdminApp.Run()
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@ -61,6 +61,7 @@ var tpl = `
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</html>
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`
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// render default application error page with error and stack string.
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func ShowErr(err interface{}, rw http.ResponseWriter, r *http.Request, Stack string) {
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t, _ := template.New("beegoerrortemp").Parse(tpl)
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data := make(map[string]string)
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@ -175,13 +176,14 @@ var errtpl = `
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</html>
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`
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// map of http handlers for each error string.
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var ErrorMaps map[string]http.HandlerFunc
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func init() {
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ErrorMaps = make(map[string]http.HandlerFunc)
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}
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//404
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// show 404 notfound error.
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func NotFound(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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@ -199,7 +201,7 @@ func NotFound(rw http.ResponseWriter, r *http.Request) {
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t.Execute(rw, data)
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}
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//401
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// show 401 unauthorized error.
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func Unauthorized(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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@ -215,7 +217,7 @@ func Unauthorized(rw http.ResponseWriter, r *http.Request) {
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t.Execute(rw, data)
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}
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//403
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// show 403 forbidden error.
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func Forbidden(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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@ -232,7 +234,7 @@ func Forbidden(rw http.ResponseWriter, r *http.Request) {
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t.Execute(rw, data)
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}
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//503
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// show 503 service unavailable error.
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func ServiceUnavailable(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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@ -248,7 +250,7 @@ func ServiceUnavailable(rw http.ResponseWriter, r *http.Request) {
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t.Execute(rw, data)
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}
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//500
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// show 500 internal server error.
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func InternalServerError(rw http.ResponseWriter, r *http.Request) {
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t, _ := template.New("beegoerrortemp").Parse(errtpl)
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data := make(map[string]interface{})
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@ -262,15 +264,18 @@ func InternalServerError(rw http.ResponseWriter, r *http.Request) {
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t.Execute(rw, data)
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}
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// show 500 internal error with simple text string.
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func SimpleServerError(rw http.ResponseWriter, r *http.Request) {
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http.Error(rw, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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}
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// add http handler for given error string.
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func Errorhandler(err string, h http.HandlerFunc) {
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ErrorMaps[err] = h
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}
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func RegisterErrorHander() {
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// register default error http handlers, 404,401,403,500 and 503.
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func RegisterErrorHandler() {
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if _, ok := ErrorMaps["404"]; !ok {
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ErrorMaps["404"] = NotFound
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}
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@ -292,6 +297,8 @@ func RegisterErrorHander() {
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}
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}
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// show error string as simple text message.
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// if error string is empty, show 500 error as default.
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func Exception(errcode string, w http.ResponseWriter, r *http.Request, msg string) {
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if h, ok := ErrorMaps[errcode]; ok {
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isint, err := strconv.Atoi(errcode)
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@ -2,16 +2,19 @@ package middleware
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import "fmt"
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// http exceptions
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type HTTPException struct {
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StatusCode int // http status code 4xx, 5xx
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Description string
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}
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// return http exception error string, e.g. "400 Bad Request".
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func (e *HTTPException) Error() string {
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// return `status description`, e.g. `400 Bad Request`
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return fmt.Sprintf("%d %s", e.StatusCode, e.Description)
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}
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// map of http exceptions for each http status code int.
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// defined 400,401,403,404,405,500,502,503 and 504 default.
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var HTTPExceptionMaps map[int]HTTPException
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func init() {
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